Job Overview
Location
Menlo Park, CA
Job Type
Full-time
Category
DevOps & SysAdmin
Date Posted
May 7, 2026
Full Job Description
đź“‹ Description
- • As a Staff Network Engineer at GRAIL, you will be a hands-on technical leader responsible for building, operating, and evolving our cloud and hybrid network infrastructure.
- • You will design, implement, and troubleshoot secure, scalable, and highly available network solutions in AWS (centered on Amazon VPC), while also owning critical on-prem and data center networking (Juniper/Aruba) and Palo Alto firewalls.
- • You will execute tasks including design, configuration, implementation, monitoring, and debugging, and provide architectural leadership, standards, and mentorship across teams.
- • A key part of the role includes robust monitoring, logging, dashboarding, and capacity planning to ensure reliable, predictable network performance.
- • GRAIL’s mission is to detect cancer early, when it can be cured, by pioneering new technologies using next-generation sequencing, population-scale clinical studies, and advanced computer science and data science.
- • The company is headquartered in the Bay Area with locations in Washington, D.C., North Carolina, and the United Kingdom, and is supported by leading global investors and healthcare, technology, and pharmaceutical companies.
- • You will have the opportunity to lead technical initiatives, mentor peers, and contribute to life-saving innovations in early cancer detection through scalable, secure network infrastructure.
🎯 Requirements
- • Hands-on experience designing, implementing, and troubleshooting AWS network infrastructure, particularly Amazon VPC.
- • Proven expertise with enterprise-grade networking hardware and software, including Juniper, Aruba switches, and Palo Alto firewalls.
- • Strong background in network monitoring, logging, dashboarding, and capacity planning to ensure high availability and performance.
- • Demonstrated ability to provide technical leadership, establish architectural standards, and mentor engineering teams.
- • Experience operating in hybrid cloud environments, managing both cloud and on-premises network components.
🏖️ Benefits
- • Opportunity to work on mission-critical technology that enables early cancer detection and improves patient outcomes.
- • Hybrid work arrangement based in Menlo Park, CA (transitioning to Sunnyvale, CA in Fall 2026), with a minimum of 80% on-site requirement.
- • Collaborative, multidisciplinary environment working alongside scientists, engineers, and physicians.
- • Exposure to cutting-edge technologies including next-generation sequencing, large-scale clinical data, and advanced cloud infrastructure.
- • Leadership and mentorship opportunities to shape network architecture and influence cross-team technical standards.
Skills & Technologies
About GRAIL, Inc.
GRAIL develops multi-cancer early-detection blood tests using high-intensity sequencing, population-scale clinical trials, and machine learning. Its Galleri test screens for over 50 cancers from a single blood draw, aiming to shift diagnosis from late-stage symptoms to early, treatable stages. The company conducts large prospective studies, partners with health systems, and pursues FDA approval to integrate screening into routine care. Founded in 2016 as a spin-out from Illumina, GRAIL operates laboratories in the United States and the United Kingdom and focuses on evidence generation, regulatory science, and equitable test access.
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