Spectrum San Diego

Senior Network Engineer

Posted Yesterday

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Suffolk, VA, USA

In-Office

Senior level

Security

The Role

Provides Tier 3 engineering support for a mission-critical naval enterprise network. Responsibilities include resolving complex outages, performing packet-level analysis, designing routing, switching, firewall, VPN, SD-WAN, and Spine-Leaf architectures, guiding Tier 2 teams, managing upgrades and failover testing, enforcing configuration and security standards, and supporting capacity planning and modernization. The role is onsite in Suffolk, Virginia, and supports a 24x7 operational environment.

Summary Generated by Built In

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.

Qualifications

Required Education and Experience

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.
Additional experience may substitute for degree.

Required Security Clearance

Active TS/SCI clearance.

Required Technical Skills

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 (Gigamon, NetScout, etc.).
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.

Required Certifications

IAT Level II (Security+) required.
CCNA/CCNP required; CCIE preferred.

Desired Skills

Experience with SVLAN configuration and management.
Familiarity with Arista CloudVision Portal.
Experience in high-availability, fully redundant enterprise environments.

Working Environment

Must be able to support a 24x7 operational environment, including escalations, major outages, maintenance windows, and upgrade events.

About UsSAIC® 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.

Skills Required

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 TS/SCI security clearance.
Expert proficiency with OSPF, BGP, route redistribution, and routing policy.
Deep understanding of Layer 2 and 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.
Experience leading technical investigations and root-cause analysis.
IAT Level II Security+ certification.
CCNA or CCNP certification.
CCIE certification.
Experience with SVLAN configuration and management.
Familiarity with Arista CloudVision Portal.
Experience in high-availability, fully redundant enterprise environments.
Ability to support a 24x7 operational environment, including escalations, major outages, maintenance windows, and upgrade events.