Sr. Network and Infrastructure Engineer

Benefits

Parental leave

Not verified

Non-birth-parent leave

Not verified

Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

Not verified

Relocation assistance

Not verified

Childcare support

Not verified

Learning budget

Offered From the posting source checked Jun 20, 2026

Verification

Not verified checked Jun 13, 2026

Salary

$150K-$170K From the posting source checked Jun 20, 2026

401(k) match

Reported from DOL Form 5500 industry filing (not employer-specific)

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

37% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Schedule

Shift type

Not verified

Weekend work

Not verified

Company

Company stage

Public-company From the posting source checked Jun 20, 2026

Equity

Offered Verified - SEC 10-K source checked Jun 20, 2026

Application

Cover letter

Not verified

Assessment

Not verified

Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Sr. Network and Infrastructure Engineer Fremont, CA At Personalis, we are transforming the active management of cancer through breakthrough personalized testing. We aim to drive a new paradigm for cancer management, guiding care from biopsy through the life of the patient. Our highly sensitive assays combine tumor-and-normal profiling with proprietary algorithms to deliver advanced insights even as cancer evolves over time. Our products are designed to detect minimal residual disease (MRD) and recurrence at the earliest timepoints, enable selection of targeted therapies based on ultra-comprehensive genomic profiling, and enhance biomarker strategy for drug development. Personalis is based in Fremont, California. Onsite: Monday, Tuesday & Thursday Summary: We are seeking a highly skilled and versatile Senior Network & Infrastructure Engineer to join our growing team. This role is designed for a technical "bridge" builder-someone who possesses deep expertise in high-performance networking (HPC) and Cisco security, but who is also comfortable managing a modern, hyperconverged infrastructure stack. The successful candidate will lead the architecture and maintenance of our Cisco Nexus fabric, secure our perimeter with NextGen firewalls, and support a robust environment consisting of VxRail, VMware, and petabyte-scale HPC storage. You will be equally at home in a CLI environment as you are performing hands-on hardware management within our colocation data centers. Responsibilities: Network & Security Architecture (60%) HPC Networking: Architect, deploy, and optimize Cisco Nexus switches within a High-Performance Computing (HPC) environment, ensuring low latency and high throughput. Security & Firewalls: Full lifecycle management of Cisco NextGen Firewalls (NGFW) . You

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