Old Mission Capital jobs

C++ Software Engineer New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission Capital LLC, is looking to add several C++ Software Engineers to join our team in NYC. In this role, you will be building and optimizing our current automated trading infrastructure, and you will also be tasked with working directly with our Traders and Quants to develop the next generation of the firm's trading algorithms and strategies. Additionally, you will be responsible for creating and developing scalable multi-tiered applications. Our Software Engineers work on small collaborative teams and are a key component for our success. Required Skills - BS/BA degree in Computer Science, Engineering, or another technical related field - 5+ years of experience developing applications in C++ (with at least 3 years of C++ 11) preferably with high availability systems with very tight latency constraints - Experience with C++ 11/14/17/20, Linux and Python and BASH scripting - In-depth knowledge of the Linux kernel, systems programming - A passion for solving challenging problems - Strong systems knowledge

Quantitative Researcher New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position We're constantly asking questions to improve what we already do and explore new opportunities. As a Quantitative Researcher in our NYC office, you'll work directly with our traders and research infrastructure to: - Conduct research and analyze large data sets to develop and implement alpha signals while contributing to portfolio construction - Collaborate with others to analyze the performance while optimizing and creating new strategies - Develop pricing models - Assess risk Required Skills - An advanced degree in a quantitative field such as computer science, an engineering discipline, mathematics, statistics, or physics - A deep technical understanding of advanced statistical techniques - 3+ years of relevant equity trading experience - Expertise building statistical models equity forecasts, with a proven track record of deploying such models to production equity trading systems - Proficiency in at least one of the following languages: C++, Python, R, Matlab, Ruby, Java - Experience leading a team of researchers, either in industry or academia

Systematic Equity Trader New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission Capital, a global quantitative proprietary trading firm, is hiring a Systematic Equity Trader to work in our New York City office. The Systematic Equity Trader will be responsible for developing and implementing systematic equity strategies. Responsibilities - Work closely with internal engineering and research teams to develop proprietary trading strategies, theoretical pricing models, and risk management techniques. - Collaborate with the team on intraday/short-term alpha research, focusing on idea generation, data gathering, research/analysis, and model implementation for systematic trading strategies. - Utilize sound financial insight and statistical learning techniques to explore, analyze, and harness a wide range of datasets building predictive models. - Design and implement short-term trading strategies using Python and C++ which use Old Mission's low-latency trading infrastructure to produce superior risk-adjusted returns. Required Skills - Bachelor's degree or equivalent degree in Computer Science, Engineering, Mathematics, Statistics, Finance, Economics, or a related technical or scientific field. - Extensive experience in quantitative/systematic trading, ideally in

Quantitative Trader (ETF) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. Job Description / Summary: Old Mission is seeking an International ETF Trader to join our growing team in our Chicago Headquarters. This role involves pricing and trading a wide variety of equity ETFs, monitoring market conditions and developing new trading strategies. This International ETF trader will work closely with our trading and technology teams to optimize trading performance and contribute to the future growth of the desk. Responsibilities: - Make markets in equity ETF's across various international trading platforms. - Analyze market trends and conditions to identify new trading opportunities. - Develop and implement trading strategies to optimize portfolio performance. - Manage trading risks by setting appropriate limits and adhering to our risk management policies. - Ensure all trading activities comply with regulatory requirements and internal policies. - Work closely with other traders and analysts to share insights and strategies. - Utilize advanced trading platforms and tools to enhance trading efficiency. Requirements: - An undergraduate or an advanced degree in a quantitative

Quantitative Researcher (Fixed Income) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission Capital, a global quantitative proprietary trading firm, is currently hiring a talented Quantitative Researcher to join our growing Fixed Income operation. The ideal candidate will have experience trading fixed income assets, corporate bonds, and other debt instruments. This Quantitative Researcher will be familiar with building and improving the firm's risk and pricing models, as well as understanding the risks in trading these assets. Responsibilities - Perform exploratory data analysis on various market datasets, including bond data, exchange quote data, and third-party pricing data, generate trading signals and evaluate how they might be applied. - Research and develop quantitative models to forecast bonds and commodities' various metrics, including price, bid-ask spread, liquidity, etc, prototype predictive models, and perform regressions and other machine learning analysis to validate, backtest, and improve quantitative models. - Contribute to the development and continuous assessment of trade execution. Required Skills - Qualified candidates will have an advanced degree in a quantitative field (preferably

Quantitative Researcher (ETFs) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position We are currently recruiting a Quantitative Researcher to join our ETF trading team in our Chicago headquarters. This Quantitative Researcher will be working directly with our international and domestic ETF/Equities trading group to review and develop pricing models, analyze and evaluate trades, and participate in idea generation to improve current models and algorithms. This Quantitative Researcher could potentially play a major role in growing the quant team and be expected to have an entrepreneurial mindset. Responsibilities - Investigate existing equities, commodities, and FX pricing models and propose improvements. - Calibrate new models for unique market environments. - Reverse engineer how the rest of the world behaves in different market environments. - Develop databases of information, utilizing our expansive existing resources, to assist with new ideas and research. - Explore trading ideas by analyzing market data and market microstructure for patterns. - Participate in the idea-generation process with other traders and developers. Required Skills - An advanced degree in a

General Submission Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Don't see a current opening that matches your skills and interests? We'd still love to hear from you! We're continuously growing and are always interested in connecting with talented individuals who share our values and could be a great fit for future opportunities. Ideal Candidates - Passionate professionals who are excited about quantitative finance. - Collaborative team players who thrive in a fast-paced environment. - Continuous learners who embrace growth and new challenges. - Results-driven individuals who take ownership of their work. - Strong communicators who can work effectively with diverse teams. Benefits and Perks These offerings differ between our US-based and UK-based offices. For more information, please contact [email protected] . Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid

Quantitative Trader New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position The Quantitative ETF Trader is responsible for executing and managing trades of ETFs across various markets to achieve optimal portfolio performance, maintain accurate pricing, and ensure liquidity. Responsibilities: - Execute ETF trades using various trading platforms and strategies to minimize market impact - Monitor and analyze market conditions to identify trading opportunities and risks - Maintain relationships with authorized participants, market makers, and liquidity providers - Ensure proper execution of creation/redemption processes for ETF shares - Implement hedging strategies to manage portfolio risk - Analyze trading costs and execution quality to optimize trading strategies - Support portfolio managers by providing market insights and liquidity profiles - Ensure compliance with all relevant regulations and internal policies Required Skills - Bachelor's degree in Finance, Economics, Mathematics, or a related field - 3+ years of experience in trading ETFs or similar financial instruments - Strong understanding of ETF structures, creation/redemption processes, and market mechanics - Proficiency with trading platforms and analytical tools

Fundamental Research Analyst Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission is a quantitative proprietary trading firm that is currently recruiting a Fundamental Research Analyst to join our Chicago HQ. As a Fundamental Research Analyst, you will be responsible for conducting research and monitoring news around the globe with the goal of discovering new investment opportunities. You'll work closely with the desk leads to produce reports that will have an impact on our trading strategies. Staying current and sharing information with our traders will make you a valuable member of our team. News junkies are encouraged to apply and help our firm make real-time trading decisions. Responsibilities - Identify and analyze news/events/information that will have an impact on our trading group(s) and report pertinent information. - Support traders by being the sole point of contact for conducting research and following all global macro events that could impact the price of certain securities. - Collaborate and work directly with small trading groups on analyzing data for patterns as well

Quantitative Researcher (Systematic Equities) New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission is looking to hire a Quantitative Researcher for our growing Global Equities team in our New York City Office. We are seeking a Quantitative Researcher to design, research, and deploy systematic trading strategies across global equity markets. The role involves end-to-end ownership of the research process, from alpha generation to signal research, with a focus on portfolio optimization, risk management, and performance evaluation. Responsibilities - Research, develop, and implement quantitative trading strategies across global equity markets - Identify and test alpha signals using large, structured, and unstructured datasets - Perform statistical analysis, feature engineering, and model validation to assess signal robustness - Design portfolio construction and optimization frameworks, including risk constraints and transaction cost modeling - Conduct backtesting, out-of-sample testing and performance attribution - Collaborate with quantitative researchers, traders, and engineers to productionize models - Monitor live strategies, analyze the performance, and iterate to improve risk-adjusted returns - Continuously evaluate new data sources, market microstructure

College Graduates - Full-Time - Full-Stack Engineer (2026) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position As a Junior Full-Stack Engineer at Old Mission, you will work alongside experienced engineers to help build performant and scalable frontend systems that power a best-in-class trading experience for our end users. You'll collaborate with traders, quantitative researchers, and senior developers to contribute to new systems and improve existing ones, while learning our standards for safety, reliability, and user experience. This role is for 2026 college graduates to begin in August. Responsibilities - Contribute to the development of intuitive trading interfaces using modern web tools like TypeScript and React - Write clean, well-tested code under the guidance of senior engineers - Participate in code reviews to learn and uphold coding standards and design philosophy - Assist in building internal tools to increase efficiency of data mining, risk management, and more - Collaborate closely with teammates to understand user needs and translate them into effective UI solutions Required Skills - An undergraduate or an advanced

Quantitative Trader (Options) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. Responsibilities - Implement and calibrate systematic market-making strategies that provide liquidity in CME options on futures. - Develop pricing models in collaboration with our quantitative research team. - Build desk tooling for pricing, risk management, and opportunity identification. - Manage a portfolio of fixed income volatility products across different assets with various holding times and liquidity profiles. - Analyze macroeconomic indicators, central bank policies, and other factors that influence interest rate volatility surfaces. - Manage trading risks by setting appropriate limits and adhering to our risk management policies. - Ensure all trading activities comply with regulatory requirements and internal policies. - Work closely with other traders, quants and developers. - Leverage a sophisticated trading platform to execute desired trades, sourcing available liquidity across multiple exchanges. Required Skills - An undergraduate or an advanced degree in a quantitative field such as computer science, engineering, or one of the hard sciences. - 1-4 years of trading experience encompassing algorithmic trading and a strong knowledge

Quantitative Researcher (Experienced - Ph.D.) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position We are actively seeking a Quantitative Researcher (Ph.D.) to join our Chicago office. In this role, you will collaborate directly with our options trading group, contributing to the enhancement of existing pricing models, and spearheading the development of cutting-edge models and tools. The primary focus will be on efficiently pricing volatility-based derivatives across diverse asset classes. As a key member of the team, you will actively participate in the options research idea generation process and may also take the lead in expanding the capabilities of the quant team to further enhance the options desk. Responsibilities - Conceptualize and implement cutting-edge derivative pricing models for single-asset derivatives, as well as pricing models for widely traded equity volatility products such as variance swaps, volatility swaps, and VIX options. - Evaluate existing options pricing models, scrutinizing aspects such as calibration accuracy and Greeks stability to identify any anomalies. Investigate and propose enhancements to address identified issues. - Develop more resilient

Python Software Engineer New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your primary responsibilities will encompass the refinement and advancement of our trading systems and mission-critical applications. Additionally, you'll collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability, all while contributing to the development of innovative trading applications. Required Skills - Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline - A minimum of 2 years of professional Python experience in a production environment - High proficiency in Python on Linux Platforms - Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.) - Exceptional written and verbal communication skills - A collaborative team player with a knack for owning and driving exciting projects - Thrives in a fast-paced work environment, showcasing effective problem-solving abilities Benefits and Perks - Fully paid Medical, Dental, Vision,

College Graduates - Full-Time - Junior Quantitative Trader (2026) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Our traders work in teams to seek out and profitably trade mispriced securities. The junior traders job responsibilities will include disciplined decision making, risk management, derivative pricing, and researching new opportunities. If you are looking to be a value added member to our team and have an immediate contribution in building out our business, feel free to apply today! Required Skills - An undergraduate or an advanced degree in a quantitative field such as computer science, engineering, or one of the hard sciences - Proficiency with at least one of the following languages: Python, C++, VBA, Java, R, Matlab - The ability to work and solve problems as part of a team, often in a high-pressure environment - Proven trustworthiness and performance under the highest ethical standards - A strong desire for knowledge and to understand how things work - Superior written and verbal communication skills - A strong work ethic and ability

Systematic Equity Options Trader Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. Old Mission is seeking a Systematic Equity Options Trader to join our growing options trading desk in our Chicago HQ. This Equity Options trader will be responsible for developing, implementing, and managing systematic trading strategies across equity options markets. This Equity Options Trader will work closely with our quantitative research and technology teams to develop systematic approaches that capitalize on market inefficiencies while effectively managing risk. Responsibilities - Design and implement systematic trading strategies for equity options, including single-name options, index options, and volatility products - Build and maintain quantitative models for options pricing, volatility forecasting, and risk management - Monitor and optimize existing strategies, identifying opportunities for enhancement and improvement - Collaborate with quantitative researchers to translate research insights into production trading strategies - Manage portfolio risk through systematic hedging and position management - Analyze market microstructure and develop strategies to optimize execution quality - Work with technology teams to build robust, scalable trading infrastructure - Conduct post-trade analysis to

Quantitative FX Trader Chicago, IL or New York, NY Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Role We are seeking a Quantitative FX Trader to join our growing firm. This Quantitative FX Trader will report directly to a managing partner in Chicago. This trader must be able to demonstrate exemplary decision making skills in addition to superior risk management, theoretical pricing, and market structure knowledge. This trader will be involved in trading and research with a focus on the FX spot market and related derivatives. Responsibilities - Lead the expansion of Old Mission's FX trading efforts - Work closely with internal engineering and research teams to develop proprietary trading strategies, theoretical pricing models and risk management techniques - Partner with our operations team in developing and managing critical clearing, vendor, ATS, and client relationships - Design, implement, and monitor trading strategies - Train and mentor a team of junior traders Required Skills - Bachelor's degree or foreign equivalent degree in Computer Science, Engineering, Mathematics, or Statistics, Finance, or Economics or in a related field.

Bazel Engineer Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the position As a Bazel Engineer, you will play a pivotal role in optimizing our software development process by leveraging Bazel's build system. You will collaborate with cross-functional teams to streamline our build, test, and deployment pipelines, ensuring scalability, efficiency, and reliability across our software projects. Responsibilities - Develop, configure, and maintain Bazel build rules, macros, and toolchains to enhance the software development workflow - Collaborate with software engineers to integrate Bazel into the build system and migrate existing projects - Optimize build performance and efficiency by identifying bottlenecks and implementing improvements - Design and implement CI/CD pipelines using Bazel for automated testing, building, and deployment - Troubleshoot build failures, resolve issues, and provide technical support to the development teams - Stay updated with the latest Bazel features, best practices, and industry trends to drive continuous improvement Required Skills - Bachelor's or Master's degree in Computer Science, Engineering, or related field - Proven experience working with Bazel build system in a production

College Graduates - Full-Time - Junior ETF Sales Trader (2026) New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position As a Junior Sales Trader, you will join Old Mission's fast growing institutional sales desk that builds and maintains meaningful trading relationships on behalf of the firm. You will be responsible for managing ETF RFQs for clients, executing equity orders as part of our portfolio trading operation, and serving as the bridge between clients and the Old Mission trading desks. You will learn about pricing and microstructure for an array of products and markets around the world. You will also have the opportunity over time to join client meetings and help manage relationships. Responsibilities - Manage ETF RFQs, execute equity orders on behalf of clients, and ensure efficient booking/settlement - Generate reports to monitor trading activity and relationships - Answer inbound client trading requests and secure pricing from OM trading desks - Assist clients with pre/post trade information as needed - Leverage AI tools to accelerate work Required Skills - An

Desktop Support Engineer Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Role Old Mission Capital is looking for a hands-on Desktop Support Engineer to join our systems team. You'll support the endpoint infrastructure behind our global trading operations which includes keeping desktops running, users productive, and systems secure. This is a great opportunity for someone early in their career who takes ownership and wants to grow in a fast-paced financial services environment. Responsibilities - Maintain and support the Windows and Linux desktop environment across global offices - Deploy and manage endpoints using Microsoft Intune - Manage user accounts, groups, and access in Active Directory and Entra ID - Support Microsoft 365 applications (Exchange Online, Teams, SharePoint, Office suite) - Keep desktops current with patches and security updates - Execute physical desk moves, hardware setup, and equipment reconfiguration as staff and seating arrangements change - Monitor service desk ticket queues to ensure timely response - Provide basic network, phone, and video conferencing support - Proactively identify recurring support issues and recommend process,

Junior Quantitative Researcher (Ph.D.) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position We are actively seeking a Quantitative Researcher (Ph.D.) to join our Chicago office. In this role, you will collaborate directly with our options trading group, contributing to the enhancement of existing pricing models, and spearheading the development of cutting-edge models and tools. The primary focus will be on efficiently pricing volatility-based derivatives across diverse asset classes. As a key member of the team, you will actively participate in the options research idea generation process and may also take the lead in expanding the capabilities of the quant team to further enhance the options desk. Responsibilities - Conceptualize and implement cutting-edge derivative pricing models for single-asset derivatives, as well as pricing models for widely traded equity volatility products such as variance swaps, volatility swaps, and VIX options. - Evaluate existing options pricing models, scrutinizing aspects such as calibration accuracy and Greeks stability to identify any anomalies. Investigate and propose enhancements to address identified issues. - Develop more resilient and

Site Reliability Engineer Chicago, IL or New York, NY Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the position Do you love automation and enjoy solving technical problems with scalable and well-managed solutions in a constantly changing environment? Old Mission Capital is seeking a well-rounded technologist with core strengths in Linux and network administration. This Site Reliability Engineer will be responsible for owning and managing the deployment, maintenance, and enhancement of our servers. This Site Reliability Engineer will also be responsible for the upkeep, configuration, and reliable operation of computer systems that host proprietary trading, third-party, and open-source applications. The main goal for this role is to develop tools and systems to automate and optimize our operational workflow. Responsibilities - Release management and performance engineering - Automate processes using Shell and Python scripting - Deploy, run and monitor all applications - Coordinate, prioritize, and plan the necessary changes - Effectively collaborating with our traders, developers, and other teams to meet the Firm's technology needs - Maintain written documentation, provide timely updates on support tickets - Participate

University Graduates - Full-Time - Junior Quantitative Trader (London - 2026) London Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Our traders work in teams to seek out and profitably trade mispriced securities. The junior traders' job responsibilities will include disciplined decision making, risk management, derivative pricing, and researching new opportunities. If you are looking to be a value added member to our team and have an immediate contribution in building out our business, feel free to apply today! Required Skills - An undergraduate or an advanced degree in a quantitative field such as computer science, engineering, or one of the hard sciences - Proficiency with at least one of the following languages: Python, C++, VBA, Java, R, Matlab - The ability to work and solve problems as part of a team, often in a high-pressure environment - Proven trustworthiness and performance under the highest ethical standards - A strong desire for knowledge and to understand how things work - Superior written and verbal communication skills - A strong work ethic and ability to

Junior Quantitative Trader (Asian Market Hours) Chicago, IL, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About The Position Old Mission Capital, a quantitative proprietary trading firm, is currently recruiting a Junior Quantitative Trader (Asian Market hours) to join our Chicago office. Our traders work in teams to seek out and profitably trade mispriced securities. The junior trader needs to be driven and have a passion for understanding how things work. The job responsibilities will include disciplined decision making, risk management, derivative pricing, and researching new opportunities for profitable businesses. Passion for trading is critical! Besides meeting the qualifications the most successful candidates will have a strong desire to understand how things work. You should have a deep interest in the financial markets and want to join a collaborative team. We value each other's ideas and have the mindset to continuously improve and build towards the future. Responsibilities - Monitor systems and manage all trading activity between Sunday - Thursday from 4:00 pm - 3:00 am CST. - Oversee and manage the trade execution and