Senior Network Engineer
About The Position
SAIC is seeking a Senior Network Engineer to provide Tier 3 advanced engineering support for a mission-critical naval enterprise transport network. The role helps ensure continuous availability, resilience, and scalability across a globally distributed environment. As the highest level of operational escalation, the engineer diagnoses and resolves complex network issues, guides Tier 2 personnel, improves network reliability, and contributes to long-term architectural direction. The position supports end-to-end network visibility, advanced troubleshooting, optimization, change control, and integration of new capabilities. It is onsite in Suffolk, Virginia, and requires support for a 24x7 operational environment, including escalations, major outages, maintenance windows, and upgrade events. The position requires an active Secret clearance and pays a target salary range of $120,001–$160,000, with the estimate depending on experience and other factors.
Requirements
- Bachelor of Science in Computer Science, Information Technology, or a related field; additional experience may substitute for the degree.
- Five or more years supporting large-scale enterprise or service provider network infrastructure.
- Active Secret security clearance.
- Expert-level proficiency with OSPF, BGP, route redistribution, and routing policy.
- Deep understanding of Layer 2/Layer 3 enterprise network design and Spine-Leaf architecture.
- Mastery of packet analysis and network visibility tools such as Gigamon and NetScout.
- Hands-on experience with Arista switches, Palo Alto firewalls, TACACS+ on Cisco ISE, and IPSEC tunnels.
- Strong troubleshooting capability for complex routing, QoS, multicast, and transport-layer issues.
- Advanced understanding of TCP/IP, subnetting, and protocol behavior.
- Proven ability to lead technical investigations and root-cause analysis.
- IAT Level II certification (Security+) required.
- CCNA or CCNP certification required.
Nice To Haves
- CCIE certification preferred.
- Experience with SVLAN configuration and management.
- Familiarity with Arista CloudVision Portal.
- Experience in high-availability, fully redundant enterprise environments.
Responsibilities
- Serve as the Tier 3 engineering escalation point for complex outages and deep root-cause investigations.
- Analyze network performance, routing behavior, and security events using packet-level tools.
- Lead cross-functional troubleshooting with network, systems, cybersecurity, and vendor teams.
- Design, validate, and enhance network architecture, including routing, switching, firewalls, VPN, SD-WAN, and Spine-Leaf environments.
- Guide and oversee Tier 2 teams, improving standard operating procedures and operational efficiency.
- Oversee hardware and 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.
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Senior
