GRAIL · 3 days ago
Senior IT Network Engineer (Menlo Park CA or Durham, NC) #4506
Menlo Park, CA
Full-time
Hybrid
Senior Level, Lead/Staff
$109K/yr - $144K/yr
8+ years expGRAIL is a healthcare company pioneering new technologies to advance early cancer detection. They are seeking a Senior IT Network Engineer to build, operate, and support secure and scalable network infrastructure across AWS and hybrid environments.
BiotechnologyHealth CareHealth DiagnosticsMedicalMedical Device
Responsibilities
Design, build, and maintain AWS networking components, including VPCs, subnets, route tables, Internet Gateways, NAT Gateways, VPC endpoints, and Transit Gateway
Configure and manage AWS network security controls, including Security Groups, Network ACLs, AWS Network Firewall, and AWS WAF, in alignment with security best practices
Implement and support hybrid connectivity solutions, including AWS Direct Connect and Site-to-Site VPNs
Configure and support traffic management and DNS services using Amazon Route 53 and Elastic Load Balancing (ALB, NLB, GLB)
Operate and troubleshoot on-premise and data center networking environments using Juniper and Aruba platforms, including routing, switching, VLANs, VRFs, and BGP/OSPF
Configure and support Palo Alto Networks firewalls, including security policies, NAT, VPNs, and traffic inspection
Implement and maintain network monitoring, logging, alerting, and dashboards using tools such as VPC Flow Logs, CloudWatch, Route 53 health checks, firewall logs, and device telemetry
Participate in and often lead network-related incident response, performing root-cause analysis and contributing to corrective and preventive actions
Support capacity planning, performance analysis, and validation of throughput, latency, and failover behavior
Build and maintain infrastructure-as-code for network components using Terraform or CloudFormation, and contribute to CI/CD workflows
Serve as a senior technical resource, reviewing designs, mentoring junior engineers, and communicating technical risks and tradeoffs to cross-functional partners
Qualification
Required
8+ years of experience working in network engineering roles with hands-on production responsibility
5+ years of hands-on experience designing and operating AWS networking, including Amazon VPC, subnets, routing, Security Groups, and Network ACLs
Hands-on experience with AWS Transit Gateway, Site-to-Site VPN, and Direct Connect
Experience configuring and supporting Amazon Route 53 and Elastic Load Balancing
5+ years of experience supporting enterprise or data center networking environments
Hands-on experience with Juniper and/or Aruba networking platforms
Hands-on experience with Palo Alto Networks firewalls
Demonstrated experience implementing network monitoring, logging, and alerting solutions
Strong troubleshooting skills across networking and application layers (DNS, TCP/IP, TLS, HTTP)
Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience
Preferred
Experience working in healthcare, life sciences, or other regulated environments
Familiarity with AWS Network Firewall, AWS WAF, Global Accelerator, or AWS PrivateLink
Experience with infrastructure automation and scripting using Terraform, Python, or Bash
Exposure to zero-trust networking models or SASE / SD-WAN solutions
Relevant certifications such as AWS Advanced Networking, CCNP, or Palo Alto Networks certifications
Benefits
Flexible time-off or vacation
A 401(k) retirement plan with employer match
Medical, dental, and vision coverage
Carefully selected mindfulness programs
Company
GRAIL
Grail is a healthcare company that develops pan-cancer screening tests designed to detect cancers at an early stage.
1001-5000 employees
H1B Sponsorship
GRAIL has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (26)
2023 (23)
2022 (46)
2021 (25)
2020 (9)
Funding
Current Stage
Public CompanyTotal Funding
$2.44BKey Investors
ARCH Venture PartnersIllumina
2025-10-20Post Ipo Equity· $325M
2025-10-16Post Ipo Equity· $110M
2024-06-13IPO
Leadership Team
Satnam Alag
Senior Vice President Software Engineering and Chief Security Officer
Joshua J. Ofman
President
Recent News
The Motley Fool
2026-01-23
2026-01-16
2026-01-14
Company data provided by crunchbase