Senior Network Architect & Tier-3 Incident Lead

SAIC

Suffolk (VA)

On-site

USD 120,000 - 160,000

Full time

4 days ago
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Job summary

SAIC is seeking a Senior Network Engineer to provide Tier 3 engineering support for a mission-critical naval transport network in Suffolk, VA. You will serve as the top escalation point, diagnosing complex outages, guiding Tier 2 staff, and driving architectural improvements across a globally distributed environment.

The role requires hands-on expertise with Spine-Leaf, SD-WAN, routing, switching, and security controls, plus a TS/SCI clearance.

Qualifications

  • Bachelor of science in Computer Science, Information Technology, or related field.
  • Five (5) or more years supporting large-scale enterprise or service provider network infrastructure.
  • Active TS/SCI clearance.

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.

Skills

Tier 3 escalation
Network troubleshooting
Packet analysis
OSPF/BGP routing
Spine-Leaf architecture
Network architecture design
Leadership/mentoring
Security incident analysis

Education

BS in CS/IT or related field

Tools

Gigamon
NetScout
Arista switches
Palo Alto firewalls
Cisco ISE TACACS+

Job description

SAIC is seeking a Senior Network Engineer to provide Tier 3 engineering support for a mission-critical naval transport network in Suffolk, VA. You will serve as the top escalation point, diagnosing complex outages, guiding Tier 2 staff, and driving architectural improvements across a globally distributed environment.

The role requires hands-on expertise with Spine-Leaf, SD-WAN, routing, switching, and security controls, plus a TS/SCI clearance.

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