Doppler jobs

General Application Remote - USA WHY NOW 2026 has been a breakout year for Doppler. We've helped over 78,000 startups and enterprises manage their secrets at scale, and landed our first million-dollar customer. We've shipped some of our most exciting features yet, expanded our customer base, and sharpened our focus like never before. With a strong foundation in community, we're scaling and monetizing with ambitious goals across product, growth, sales, and hiring. The momentum is real and we're just getting started. About Doppler Doppler's mission is to make it easy and secure for software developers of every experience level and teams of any size to manage their app configuration and secrets. But hasn't this been done? Developers tend to be either struggling with the manual management of .env files https://www.doppler.com/blog/the-triumph-and-tragedy-of-env-files, or wrestling with an overly complex secrets manager https://www.doppler.com/blog/doppler-vs-hashicorp-vault that's not built for software development. The rise of AI tooling has fundamentally expanded who and what has access to your secrets. The stakes have never been higher, and getting it wrong has real consequences. Doppler is the solution to fix this. Simple to adopt, easy to scale, and built for developers, by developers. Our team is entrepreneurial, with a bias for action. We never back down from a spirited debate and believe we are all responsible for exploring the hard questions. We value self-awareness and meaningful impact. We are open to unconventional approaches and have learned not to judge a book by its cover. Your time is your most valuable

Account Executive Remote - USA WHY NOW 2026 has been a breakout year for Doppler. We've helped over 78,000 startups and enterprises manage their secrets at scale, and landed our first million-dollar customer. We've shipped some of our most exciting features yet, expanded our customer base, and sharpened our focus like never before. With a strong foundation in community, we're scaling and monetizing with ambitious goals across product, growth, sales, and hiring. The momentum is real and we're just getting started. About Doppler Doppler's mission is to make it easy and secure for software developers of every experience level and teams of any size to manage their app configuration and secrets. But hasn't this been done? Developers tend to be either struggling with the manual management of .env files https://www.doppler.com/blog/the-triumph-and-tragedy-of-env-files, or wrestling with an overly complex secrets manager https://www.doppler.com/blog/doppler-vs-hashicorp-vault that's not built for software development. The rise of AI tooling has fundamentally expanded who and what has access to your secrets. The stakes have never been higher, and getting it wrong has real consequences. Doppler is the solution to fix this. Simple to adopt, easy to scale, and built for developers, by developers. Our team is entrepreneurial, with a bias for action. We never back down from a spirited debate and believe we are all responsible for exploring the hard questions. We value self-awareness and meaningful impact. We are open to unconventional approaches and have learned not to judge a book by its cover. Your time is your most valuable

Senior GRC Analyst Remote - USA WHY NOW 2026 has been a breakout year for Doppler. We've helped over 78,000 startups and enterprises manage their secrets at scale, and landed our first million-dollar customer. We've shipped some of our most exciting features yet, expanded our customer base, and sharpened our focus like never before. With a strong foundation in community, we're scaling and monetizing with ambitious goals across product, growth, sales, and hiring. The momentum is real and we're just getting started. About Doppler Doppler's mission is to make it easy and secure for software developers of every experience level and teams of any size to manage their app configuration and secrets. But hasn't this been done? Developers tend to be either struggling with the manual management of .env files https://www.doppler.com/blog/the-triumph-and-tragedy-of-env-files, or wrestling with an overly complex secrets manager https://www.doppler.com/blog/doppler-vs-hashicorp-vault that's not built for software development. The rise of AI tooling has fundamentally expanded who and what has access to your secrets. The stakes have never been higher, and getting it wrong has real consequences. Doppler is the solution to fix this. Simple to adopt, easy to scale, and built for developers, by developers. Our team is entrepreneurial, with a bias for action. We never back down from a spirited debate and believe we are all responsible for exploring the hard questions. We value self-awareness and meaningful impact. We are open to unconventional approaches and have learned not to judge a book by its cover. Your time is your most

Medical Instrument Technologist (Echocardiography) Somerset, Kentucky Summary Echocardiography technicians at this level identify and record anomalies indicative of disease, injury, or other medically significant condition from ultrasound imaging and simultaneous recordings of the Doppler. They incorporate the causes and results of a variety of symptoms and conditions into a plan of ultrasonic diagnostic examination. Duties This is an OPEN CONTINUOUS ANNOUNCEMENT and will remain open until September 30, 2026 or until the position is filled. The initial cut-off date for referral of eligible applications will be March 2nd, 2026, with subsequent cut-off dates every two weeks thereafter. Medical Technologist: vacareers.va.gov/wp-content/uploads/sites/5/Total-Rewards-of-a-Medical-Technologist-Career-Flyer.pdf Major duties include, but are not limited to: Advises referring physician of significant abnormalities that would require their immediate attention and visualization while the patient is undergoing examination. Develops and maintains patient preparation procedures so that patients and wards will understand the proper preparations for ultrasound examinations to minimize delays of examinations. Explains examinations to be performed to the patient, so that, an understanding of the purpose of the study as well as any requirements of the patients are thoroughly understood. Responsible for independently performing standard examinations and scheduling patients for examinations. Evaluates the nature of critical and emergency procedures, and rearrange patients scheduled to accommodate them. Maintains adequate supplies so that examinations are not delayed due to lack of necessary equipment and supplies. Understands and adheres to policies and procedures of Cardiology Services, Medical Service and the Tennessee Valley Healthcare System (TVHS). Other duties assigned. Work Schedule: Monday -

Echocardiograph Technologist Seattle, WA, United States This position is responsible for performing adult M-Mode, Two-Dimensional, Pulsed and Continuous Wave Doppler, Color Flow Imaging, Stress (Treadmill and Pharmacologic) Echocardiography, and assisting cardiologists with TEE exams. One must be proficient at writing up preliminary reports for placement in the electronic medical chart immediately following every echo exam. The position requires the performance and understanding of anatomy on adult patients. This position may also involve working at and travel between Swedish Health Services hospitals and clinics.

Echo Vascular Technologist UNAVAILABLE, UNAVAILABLE, UNAVAILABLE Where You'll Work CommonSpirit Health was formed by the alignment of Catholic Health Initiatives (CHI) and Dignity Health. With more than 700 care sites across the U.S. & from clinics and hospitals to home-based care and virtual care services CommonSpirit is accessible to nearly one out of every four U.S. residents. Our world needs compassion like never before. Our communities need caring and our families need protection. With our combined resources CommonSpirit is committed to building healthy communities advocating for those who are poor and vulnerable and innovating how and where healing can happen both inside our hospitals and out in the community. Job Summary and Responsibilities As an Echo Tech/Sonographer, you will perform diagnostic echocardiography procedures to assist in diagnosing and treating cardiovascular conditions.Every day you will operate ultrasound equipment to capture high-quality cardiac images and data, ensuring patient comfort and performing a range of echocardiographic studies.To be successful, you will possess a strong understanding of cardiac anatomy, proficient technical skills, and effective communication abilities to provide exceptional diagnostic services. Produce two-dimensional ultrasonic recordings and Doppler flow analyses of heart and related structures, using ultrasound equipment, for use by physician in diagnosis of heart disease and study of heart. Calculate, measure, and document appropriate values on the tests performed for review and i

Echo/Vascular Technologist UNAVAILABLE, UNAVAILABLE, UNAVAILABLE Where You'll Work Founded in 1951, Dignity Health - Mark Twain Medical Center is a 25-bed, acute care, nonprofit hospital located in San Andreas, California. Serving over 90,000 patients annually, the hospital offers a full complement of services including cancer care, emergency care, and orthopedics. Mark Twain Medical Center also includes four Family Medical Clinics offering exams, immunizations, and care for minor injuries. Additionally, Mark Twain Medical Center has been recognized as an LGBTQ+ Healthcare Equality High Performer by the Human Rights Campaign Foundation.It is the only medical facility in Calavaras County. One Community. One Mission. One California Job Summary and Responsibilities As our Echo/Vascular Technologist, you will help patients of all ages receive accurate and comprehensive diagnostic imaging studies so they can get timely and effective medical care and achieve better health outcomes. Every day you will perform a wide variety of advanced procedures in both the Echo and Vascular labs, including transthoracic and transesophageal echoes, stress echoes, and various vascular studies like carotid Doppler and abdominal aortic ultrasounds. You will be expected to provide technical leadership and expert instruction to fellow sonographers, meticulously troubleshoot and maintain imaging systems like Merge Cardio PACS, and actively contribute to achieving national accreditation (IAC) for the echo lab. To be successful in this role, you will combine a nationall

Medical Instrument Technician (Echocardiography) Martinsburg, West Virginia Summary This position requires a highly skilled Sonographer with a comprehensive, specialized education in the medical and technical aspects of diagnostic cardiac sonography. This position is located with the Specialty Service line working under the Chief of Medicine, Cardiologist and Cardiopulmonary coordinator at the Martinsburg, WV, VAMC. Duties Total Rewards of a Allied Health Professional Duties may include but are not limited to; Independently perform diagnostic tests, provide patient education, and act as a liaison and information source for the patient and family, nursing staff and medical staff. Responsible for the delivery of professional services and the provision of high-quality patient care in the Echo Lab. Review performance for quality and accuracy. Performs cardiac ultrasound (echocardiograms) autonomously to acquire the maximum diagnostic image quality. All echocardiograms include M-mode, two-dimensional and doppler examinations Performs portable ultrasound procedures on the patients who cannot be transported to the department. Maintains logs and controls. Manipulates high technology ultrasound equipment in the production of diagnostic images Receives patients and explains the procedure. Positions the patient in sitting, recumbent, prone or oblique position in the echocardiographic laboratory or by the bedside. Positions the transducer to the thorax, or body part under examination, using contact real time imaging techniques. Must have basic understanding of computer operations, including the operation of alphanumeric keyboard input, in order to select various programs to best demonstrate cardiac structures or body parts, in different positions, and to prepare equipment for operation, and to change imaging

Telecommunications GS Engineer Glasgow, Scotland, United Kingdom We are looking for a Telecommunication Ground Station Engineer to design, deploy, and maintain satellite communication infrastructure across our global network. You'll work on radio interfaces , signal processing pipelines , and satellite tracking systems ensuring reliable uplink/downlink with our spacecraft. This role offers hands-on development across software, hardware, and RF layers. Your responsibilities will include: Develop and maintain automated ground stations for satellite telemetry, tracking, and control (TT&C). Configure radio interfaces (UHF/VHF/S/X-band), modems for telemetry, telecommand and data downlink and uplink. Work with software-defined radios for dynamic communication tasks. Test, validate, maintain and monitor radio frequency antenna system such as LNA, LNB, filters and more. Design, test, and integrate antenna rotator controllers for auto-tracking satellites. Deploy and manage ground station software. Build scalable data routing systems for real-time and store-and-forward communication using cloud APIs. Coordinate with the avionics and mission ops teams for satellite pass predictions and data ingestion. Develop dashboards for real-time telemetry visualization. Qualifications We're looking for Telecommunication Engineer with solid technical fundamentals and the drive to learn quickly working across architecture, implementation and troubleshooting with strong ownership and problem-solving mindset. Required Bachelor's degree or Master's degree in Electronics, Telecommunications, Aerospace, or related field. 2-5 years of experience in ground station operations, RF communication, or satellite systems. Hands-on experience with radio hardware. Proficient in C++, Python, Linux, scripting, and working with serial/UART, TCP/IP interfaces. Solid understanding of link budgets, Doppler shift compensation, and signal modulation. Experience in RF antenna design

MFM Sonographer- Privia Gulf Coast Imaging Houston, TX, United States Company Description: We are a group of providers united by our clinically integrated, high-performance network and shared belief that physician autonomy is key to improving healthcare. As a physician-led medical group, we provide the tools, talent, and technology that enable you to improve patient care and your practice's economic outcomes. We remove administrative work to help you transition to and thrive in value-based care so you can focus on patients, not paperwork and policy. Job Description: Location: Onsite at 7900 Fannin St. Ste. 1500, Houston, TX 77054 The Obstetrical and Gynecological (OB/GYN) Ultrasound Technologist performs high-quality diagnostic ultrasound examinations of the female reproductive system and fetal development. This role supports physicians in diagnosing and monitoring conditions related to pregnancy, gynecological health, and reproductive medicine. The technologist ensures patient safety, comfort, and dignity while adhering to established protocols, ethical standards, and regulatory requirements.​​​​ Perform high-quality diagnostic ultrasound examinations This role supports physicians in diagnosing and monitoring conditions related to pregnancy, gynecological health, and reproductive medicine The technologist ensures patient safety, comfort, and dignity while adhering to established protocols, ethical standards, and regulatory requirements Perform obstetric ultrasounds (first trimester, detailed level II anatomy, nuchal trasnluceny, second/third trimester growth/follow-up, biophysical profile, fetal Doppler, and amniotic fluid assessment) Perform gynecologic ultrasounds (transabdominal and transvaginal) to evaluate pelvic structures, ovaries, uterus, and endometrium Capture high-quality diagnostic images and cine loops per physician order and protocol Identify, measure, and document fetal structures, growth parameters, and anatomical

Medical Instrument Technician (Diagnostic Ultrasound) Grand Forks, North Dakota Summary This position is located with the Department of Veteran Affairs (VA) Grand Forks, ND. The incumbent operates and performs a variety of complex, specialized, noninvasive diagnostic ultrasound examinations using doppler ultrasound, duplex sonography. Duties The VA Midwest Health Care Network advocates for a Whole Health System of care in each of the Medical Centers. This is an approach to healthcare that empowers and equips people to take charge of their health and well-being and live their lives to the fullest. As an employee operating in a Whole Health System of care, you will operate in a model with three core elements, seeking to create a personalized health plan for each Veteran. This is done in the context of healing relationships and healing environments and a connection back to the Veteran's community. This aligns with the Veterans Health Administration (VHA) Mission Statement to Honor America's Veterans by providing exceptional health care that improves their health and well-being. Major duties include but are not limited to: Alerts radiologist or referring physician to images of significant abnormalities that may require their immediate attention and visualization while the patient is undergoing examination. Performs complex, specialized Duplex (B-scans, Doppler and ABI) examinations of the carotid, abdominal and other peripheral arteries and veins. Knowledge, experience with vascular flow rates, and measurement to maintain accurate vascular ultrasound records for same consistency may be achieved. Registers patients in the Radiology Information System (RIS) and Veterans Integrated Systems Technology

Medical Instrument Technician (Vascular Ultrasound) Augusta, Georgia Summary This is the full performance level requiring specialized advanced knowledge and assignments. It is expected to perform the full range of vascular ultrasound procedures, including the most complex and non-routine, and to make appropriate adjustments in established procedures and techniques to obtain the results required for clinical diagnosis and documentation. At this level, the technician would also have the ability to perform intracranial (transcranial) vascular examinations. Duties Duties: a) The Vascular Technologist coordinates a variety of technical procedures that require independent judgment, Ingenuity, and Initiative in the application of non-ionizing high-frequency ultrasonic waves to humans for the diagnosis of disease in the clinic or in the Inpatient unit. b) Knows and understands the principles of ultrasound and the highly specialized equipment well enough to essentially approve the acceptability or rejectability of each scan, controls technical factors on the ultrasound unit, which will affect time, gain, amplitude, velocity, frequency, attenuation, absorption, reflection, scattering, refraction, and diffraction. Selects between non-focused, fixedfocus, linear phased array, annular phased array, and Doppler or Power Doppler. c) Performance of the examination requires proper alignment and position of the patient. Sets up and adjusts all equipment and manually maneuvers the transducer to perform the exam. d) Receives and identifies patients, explains methods of procedures, assists movement of patients to and from wheelchairs, carts, tables, positions the patient, and performs examinations requested. Evaluates the nature of critical and emergency procedures and rearranges priorities to accommodate them. e) The incumbent performs

Alt-PNT Research Engineer Remote, United States About Us: Swan delivers the future of defense and industry through scalable autonomous products. Swan is backed by leading defense VCs including a16z's American Dynamism fund. Role Overview: We are seeking an Alternative Positioning, Navigation, and Timing (Alt-PNT) Research Engineer with deep expertise in GPS-denied navigation, signals of opportunity (SoOP), radio SLAM, and inertial navigation systems (INS). The ideal candidate will have a strong background in designing and developing resilient PNT solutions using diverse sensing modalities, including RF signals, vision-based navigation, and sensor fusion techniques. This role requires experience in signal processing, Bayesian filtering, multi-sensor fusion, and robust estimation methods to enable navigation in GPS-challenged or denied environments. Key Responsibilities: - Research, design, and develop alternative PNT solutions leveraging signals of opportunity (Wi-Fi, cellular, LEO satellites, GNSS backups, etc.), radio SLAM, and inertial navigation. - Implement and optimize sensor fusion algorithms integrating IMU, LiDAR, radar, barometers, magnetometers, and RF-based positioning. - Develop robust navigation algorithms based on Kalman filtering, factor graphs, and particle filtering for real-time applications. - Work on radio-based navigation techniques, including time-difference-of-arrival (TDOA), frequency-difference-of-arrival (FDOA), and Doppler-based positioning. - Design and implement signal processing techniques for extracting positioning information from RF signals, including waveform analysis and multipath mitigation. - Conduct real-world testing and data collection campaigns to validate and refine PNT solutions. - Write clean, efficient, and well-documented code in Python and C++, with experience in simulation environments such as MATLAB, GNU Radio, or SDR-based platforms. - Collaborate with cross-functional teams,

Medical Instrument Technician (Ultrasound) Iwakuni, Japan Summary About the Position: This position is located in the Directorate of Clinical Support, Radiology section of the Branch Medical Clinic Iwakuni located in Iwakuni, Japan. Incumbent serves as a Diagnostic Sonographic expert providing specialty skills in Sonography for all consulting services, to include specialized diagnostic invasive and non-invasive service to fetal, pediatric, and adult patients with congenital and acquired disease, and obstetrical pregnancies. This is a Direct Hire Solicitation Duties Perform complex diagnostic ultrasound examinations or procedures utilizing two-dimensional, three-dimensional, four-dimensional, flex view, color and pulsed Doppler. Procedures are not limited to: Obstetrical Ultrasound, Invasive procedures, Pediatric Ultrasound, Endovaginal Ultrasound, Pelvic Ultrasound, Abdominal and Elastography Ultrasound, Small Parts, Musculoskeletal Ultrasound, and Vascular Ultrasound Coordinate with multi-disciplinary care providers to provide ultrasound services. Provide training on diagnostic medical ultrasound imaging to a variety of hospital personnel to ensure quality patient care. Attend in-service training to stay up to date on new sonographic procedures, technology, and techniques. Oversee operating guidelines and tracking of patients for ultrasound procedures to ensure compliance with the American Institute of Ultrasound Medicine (AIUM) and Joint Commission standards. Education FOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for

Fetal Monitoring Sonographer UNAVAILABLE, UNAVAILABLE, UNAVAILABLE Where You'll Work Welcome to CHI Saint Joseph Medical Group, a full service network of primary care services specializing in family, internal, geriatric and pediatric care serving 88 locations across central and Eastern Kentucky. CHI Saint Joseph Medical Group is dedicated to delivering customized care based on the unique needs of our patients and is recognized as a Best Place to Work in Kentucky for two years in a row (2023-2024). CHI Saint Joseph Health is part of CommonSpirit Health, a non-profit, Catholic health system dedicated to advancing health for all people. With approximately 175,000 team members and 25,000 physicians and advanced practice clinicians. Our commitment to serve the common good is delivered through the dedicated work of thousands of physicians, advanced practice clinicians, nurses, and staff; through clinical excellence delivered across a system of 140 hospitals and more than 2,200 care centers serving 24 states. Job Summary and Responsibilities Performs diagnostic and vascular procedures on patients using ultrasound waves to examine tissue and body structures. Obtains patient history, explains routine procedures and addresses patient concerns. Responsible for maintaining patient record and files. Performs all ultrasound techniques and examinations, abdominal scans, retroperitoneal scans, limited obstetric and gynecological scans, and a variety of tests to include, but not limited to, carotid imaging, peripheral plethysmography, doppler wave form, segme

Senior Electrical Engineer – Maritime Acoustic Sensor Systems Austin, TX, Austin, Texas, United States Saronic Technologies is a leader in revolutionizing autonomy at sea, dedicated to developing state-of-the-art solutions that enhance maritime operations through autonomous and intelligent platforms. Position Overview Saronic Technologies is seeking a Senior Electrical Engineer with expertise in maritime acoustic sensor systems to join our Electrical Engineering - Advanced Development group. This role focuses on the research, evaluation, and development of underwater acoustic sensing technologies - including sonar transducers, hydrophones, acoustic modems, and signal processing subsystems - supporting navigation, detection, and situational awareness capabilities for autonomous surface vessels. The ideal candidate has extensive experience in acoustic system design, integration, and testing within marine or defense environments, and a strong background in hardware evaluation, data analysis, and system trade studies. This position requires both analytical depth and hands-on experimentation in lab and at-sea environments. Key Responsibilities - Lead R&D initiatives in maritime acoustic sensing and underwater signal systems for autonomous vessel applications. - Evaluate and benchmark acoustic sensors and subsystems (e.g., sonar arrays, hydrophones, acoustic modems, Doppler sensors) across commercial and defense-grade offerings. - Design and execute experiments for acoustic performance testing, calibration, and environmental validation in laboratory and sea-trial conditions. - Develop and analyze trade studies comparing acoustic hardware and architectures to inform system selection, performance optimization, and integration paths. - Design and document system architectures for acoustic data acquisition, amplification, filtering, and digital conversion. - Collaborate with autonomy, software, and mechanical teams to integrate acoustic systems

Wireless Systems Engineer (Starlink Mobile) Sunnyvale, CA SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. WIRELESS SYSTEMS ENGINEER (STARLINK MOBILE) As a Wireless Systems Engineer for Starlink Mobile you will design and develop wireless communications algorithms that maximize system performance for the Starlink Mobile satellite constellation and future networks. The ideal candidate will have deep technical expertise in wireless communication systems, strong knowledge of 3GPP RAN protocols (4G/5G/6G), and an interest in building production algorithms that get deployed at global scale. RESPONSIBILITIES: - Design and optimize wireless systems algorithms at the MAC and PHY layer for link adaptation, power control, timing advance, and doppler tracking. - Design and simulate complex MAC layer scheduling algorithms that support joint scheduling of users across multiple beams subject to Quality of Service (QoS) and latency constraints. - Analyze inter-cell and inter-beam interference on both uplink and downlink, identify issues on-orbit, and propose solutions through beam planning optimizations, MAC layer scheduling improvements, or advanced signal processing techniques. - Run link level simulations and system level simulations to compare performance of different algorithms at all layers of the protocol stack. - Work directly with software engineers to implement algorithms and deploy to orbit. - Qualify algorithm performance in production through aggregate KPI analysis, high rate per TTI

Senior Electrical Engineer – Navigation & Positioning Systems Austin, TX, Austin, Texas, United States Saronic Technologies is a leader in revolutionizing autonomy at sea, dedicated to developing state-of-the-art solutions that enhance maritime operations through autonomous and intelligent platforms. Position Overview Saronic Technologies is seeking a Senior Electrical Engineer to drive research and development efforts in navigation and positioning technologies for autonomous marine systems. This individual will be responsible for evaluating, benchmarking, and integrating cutting-edge navigation and sensor technologies - including GNSS, IMUs, FOGs, LRGs, LiDARs, and supplemental sensing electronics - across Saronic's fleet of autonomous vessels. This is a hands-on, technically focused role with a strong analytical and experimental component. The ideal candidate brings deep experience in electrical systems design, system-level trade studies, and technology evaluation, and thrives at the intersection of hardware innovation and applied research. Key Responsibilities - Lead R&D initiatives focused on next-generation navigation and positioning solutions for autonomous vessels. - Design and execute benchmarking tests of commercial and prototype systems (GNSS, INS/IMU, radar, LiDAR, Doppler velocity logs, etc.), including lab, dockside, and sea-trial environments. - Perform trade studies and comparative analyses of current and emerging market offerings to inform system selection, integration paths, and performance improvements. - Develop system architectures and interface specifications for integrating navigation sensors with vessel control, autonomy, and data processing subsystems. - Prototype, test, and validate new electrical configurations supporting advanced sensing and positioning. - Author technical reports and white papers summarizing benchmarking results, performance metrics, and recommendations. - Collaborate with autonomy,

Special Procedures Tech UNAVAILABLE, UNAVAILABLE, UNAVAILABLE Where You'll Work Founded in 1887, Dignity Health - California Hospital Medical Center is a 318-bed, acute care, nonprofit hospital located in downtown Los Angeles. The hospital offers a full complement of services including a Level II trauma center, the Los Angeles Center for Womens Health, obstetrics and pediatric services, and comprehensive cardiac and surgical services. The hospital shares a legacy of humankindness with Dignity Health, one of the nations five largest health care systems. Visit here https://www.dignityhealth.org/socal/locations/californiahospital for more information. One Community. One Mission. One California Job Summary and Responsibilities As our Special Procedures Technologist, you will be a vital clinical professional, applying specialized X-ray energy for patient diagnosis or treatment.Every day, you'll meticulously perform complex radiological procedures and techniques, producing high-quality images for interpretation by licensed practitioners. You'll ensure patient safety, comfort, and accurate positioning, operating advanced equipment with precision and upholding imaging standards.To be successful, you'll combine strong technical expertise with exceptional attention to detail, a deep understanding of radiation safety, and a compassionate, patient-focused approach, contributing to accurate diagnoses and effective treatment. Performs echocardiography and color flow doppler mapping in an efficient and effective manner appropriate for the patients con

ELECTRONICS MECHANIC Grand Island, Nebraska Summary THIS IS A NATIONAL GUARD TITLE 32 EXCEPTED SERVICE POSITION. This National Guard position is for a ELECTRONICS MECHANIC, Position Description Number D0876000 and is part of the NE AASF 2, National Guard. Duties As a ELECTRONICS MECHANIC, WG-2604-11, duties include: (1) Troubleshoots, inspects, installs, maintains, overhauls, repairs, and modifies complete operational systems consisting of numerous complex integral components. Examples of equipment worked on include: navigational radios, Doppler or inertial navigation systems, global positioning systems, automatic planning systems, night vision systems, targeting systems, communications radios, flight control and stabilization systems, weapons systems, aircraft survivability equipment, specialized mission equipment and similar electronic and navigational equipment. (2) Completes operational checks, inspections, tests and troubleshooting of line replaceable unit (LRU). Isolates unusual malfunctions using technical manuals, schematics, and wiring diagrams, tools and test equipment including automatic test equipment. Solves problems by analyzing installation, circuitry, and operating characteristics of the systems. Adjusts and aligns sensors, transmitters, amplifiers, power supplies, display devices, controls, actuators, servos, computers and other related components. Removes faulty LRUs for shop repair. Installs serviceable components into aircraft. Accomplishes technical manual compliance and modification of components and systems. Maintains, modifies, calibrates and inspects a wide variety of user test, measurement, and diagnostic equipment (TMDE). (3) Completes bench check, testing, repair, inspection, modification, programming, reprogramming, mating, adjusting, alignment, and analyzing of LRUs and shop replaceable units. Uses a variety of test equipment such as automated test equipment (ATE), oscilloscopes, multimeters, powermeters, combined Boresight Harmonization Kits, and special

RF Comms Systems Integration and Test Engineer, Amazon Leo Austin, Texas, USA Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. As a RF Comms Systems Integration and Test Engineer, you will work with a wide variety of functional groups and will be deeply involved in system integration and test of next generation Amazon Leo Satellites. The Role: This is a unique opportunity to define a groundbreaking, high-throughput wireless solution with few legacy constraints meet with 3GPP standards. The team works with customer requirements and wireless implementation teams to bring-up, integration and tuning, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system. In this role you will: • As a technical contributor, be at the forefront of bring-up, integration, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system. • Architect, document, and execute 3GPP based testing for satellite to ground networks. Work with vendors to define equipment requirements to achieve 3GPP conformance testing. Ability to adapt test plans daily based on capabilities of HW/SW delivered by the dev teams. • Collaborate across disciplines-including PHY algorithms, RF design, digital beamforming and antenna, MAC, and firmware teams - to ensure seamless integration and best-in-class wireless performance. • Understand Doppler pre and post compensation techniques with CFO/SFO in LEO comms systems and test them in the laboratory environment for 3GPP. Knowing channel emulators

FPGA Engineer - Radar Signal Processing Paris, Île-de-France, France About Us Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected. About the Role As an FPGA Radar Engineer, you will help design and implement the real-time radar signal-processing pipeline that powers our drone sensing capabilities. You will work closely with hardware and embedded software engineers and be involved throughout the development cycle, from architecture and RTL implementation to integration and field validation. This role is ideal for an engineer with a strong background in DSP, practical FPGA experience, and a genuine interest in radar systems. Responsibilities - Develop FPGA-based radar signal-processing pipelines, encompassing key stages such as pulse compression, Range/Doppler processing, CFAR detection, and target tracking handoff. - Contribute to the RTL implementation of radar waveform generation and reception, including both FMCW and pulsed waveforms. - Perform system-level radar simulations, including Range-Doppler maps, SNR modeling, clutter analysis, and assessment of detection performance under realistic conditions. - Write and maintain testbenches and validation frameworks tailored to radar processing chains, enabling rapid debugging and iteration. - Collaborate closely with

Sr. RF Comms Systems Engineer, Amazon Leo San Diego, California, USA Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. As a Sr. RF Comms Systems Engineer, you will work with a wide variety of functional groups and will be deeply involved in system integration and test of next generation Amazon Leo Satellites. The Role: This is a unique opportunity to define a groundbreaking, high-throughput wireless solution with few legacy constraints meet with 3GPP standards. The team works with customer requirements and wireless implementation teams to bring-up, integration and tuning, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system. In this role you will: • As a technical contributor, be at the forefront of bring-up, integration, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system. • Architect, document, and execute 3GPP based testing for satellite to ground networks. Work with vendors to define equipment requirements to achieve 3GPP conformance testing. Ability to adapt test plans daily based on capabilities of HW/SW delivered by the dev teams. • Collaborate across disciplines-including PHY algorithms, RF design, digital beamforming and antenna, MAC, and firmware teams - to ensure seamless integration and best-in-class wireless performance. • Understand Doppler pre and post compensation techniques with CFO/SFO in LEO comms systems and test them in the laboratory environment for 3GPP. Knowing channel emulators is a plus.

Principal Wireless Engineer Seattle | OnSite Role We are looking for a high-agency Principal Wireless Engineer to be the ultimate authority on the physics and RF dynamics of our simulation engine. You will work directly with the founding team to architect the mathematical models that allow our software to accurately predict how, when, and why satellite and ground station links degrade. Your work will directly translate into the core logic of ConstellationOS, ensuring our predictive capabilities hold up in high-stakes commercial and defense deployments. What You'll Do - Own the Physics of Failure: Develop the mathematical models and algorithms that simulate complex SATCOM and terrestrial network degradation. You will account for Doppler shifts, dynamic handovers, latency spikes, and hardware constraints across varied orbital regimes. - High-Fidelity Environmental Modeling: Drive the integration of high-resolution weather and atmospheric datasets (e.g., ERA5, GOES-R, ASOS) into our simulation engine to accurately model rain fade, scintillation, and tropospheric/ionospheric interference. - Bridge Science and Software: Translate deep physics, RF constraints, and link budgets into actionable architectural logic. You will collaborate closely with our engineering team to ensure your models are seamlessly integrated into the ConstellationOS codebase (Python/C++/Rust). - Applied Research & Edge Cases: Analyze data from our active commercial pilots and defense evaluations to continuously validate and refine our simulation's realism against real-world telemetry. Who You Are - The Domain Expert: You hold a PhD (or possess equivalent industry experience) in Physics, Electrical Engineering, Aerospace Engineering, or a closely related field, with a deep focus on