Senior Network Engineer

SAIC · Suffolk

SAIC is looking for a Senior Network Engineer to provide Tier 3 advanced engineering support for a mission-critical naval enterprise transport network, ensuring continuous availability, resilience, and scalability. This role serves as the highest level of operational escalation, responsible for diagnosing and resolving the most complex network issues, guiding Tier 2 personnel, improving network reliability, and contributing to long-term architectural direction. The engineer supports end-to-end network visibility, advanced troubleshooting, optimization, change control, and integration of new capabilities across a globally distributed environment.

This position is onsite in Suffolk, VA.

Primary Responsibilities:

Serve as the Tier 3 engineering escalation point, handling complex outages and deep root-cause investigations
Perform advanced analysis of network performance, routing behavior, and security events using packet-level tools
Lead cross-functional troubleshooting efforts with network, systems, cybersecurity, and vendor teams
Design, validate, and enhance network architecture including routing, switching, firewalls, VPN, SD-WAN, and Spine-Leaf environments
Provide guidance and oversight to Tier 2 teams, improving SOPs and operational efficiency
Oversee hardware/software upgrades, major configuration changes, and technology integration
Validate disaster recovery strategies and lead failover testing
Develop and enforce enterprise-level configuration and security standards
Conduct lab validation and simulation for new deployments and architectural changes
Support long-range capacity planning and modernization initiatives
Lead evaluation and adoption of emerging network technologies
Improve incident, problem, and change management processes including major incident reporting

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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