Network Engineer

SAIC • Springfield, VA

18h

About The Position

SAIC is hiring a Network Engineer to engineer and operate a classified enterprise network serving diplomatic posts around the world. The role covers encrypted circuits, routers at remote posts, and the transport infrastructure connecting them. Work takes place under challenging operational constraints: engineers may need to troubleshoot remotely through local staff across multiple time zones, over constrained or satellite circuits, and without an out-of-band path.

The engineer will maintain and improve the worldwide network, resolve complex end-to-end faults, support incidents escalated beyond the service desk, implement controlled network changes, and design post network architectures. The position also involves securing devices, addressing assessment findings, operating monitoring and compliance tools, and maintaining documentation that enables other engineers to sustain the network. Occasional international travel may be required, along with participation in an on-call rotation and off-hours maintenance aligned to overseas time zones.

The role supports a network modernization effort involving encrypted transport, cryptographic modernization, and network assurance tooling. SAIC describes itself as a mission integrator serving defense, space, intelligence, and civilian markets, with approximately 23,000 employees and headquarters in Reston, Virginia.

Requirements

• Bachelor’s degree in a technical discipline and five years of enterprise network engineering experience; four additional years of relevant experience may substitute for the degree.
• Working knowledge of routing and switching fundamentals, including BGP, OSPF, VLANs, and reasoning about convergence and failure behavior in large topologies.
• Working knowledge of WAN technologies and practices, including VPNs and tunneling, QoS, circuit troubleshooting, and working with carriers and transport providers.
• Firewall and network security experience, including ACL and policy design.
• Ability to read packet captures and use them to reason about symptoms and causes.
• CCNP-level knowledge or equivalent demonstrated experience.
• Current DoD 8140 / 8570 IAT Level II certification, such as Security+ CE.
• Willingness to participate in an on-call rotation, support off-hours maintenance windows aligned to overseas time zones, and travel occasionally for post work.
• U.S. citizenship.
• Active TOP SECRET clearance with SCI eligibility and ability to obtain cryptographic access authorization.

Nice To Haves

• Experience with HAIPE-compliant inline network encryptors or other Type 1 encryption in an operational network.
• Commercial Solutions for Classified (CSfC) architecture experience.
• Satellite, low-bandwidth, or high-latency circuit engineering experience.
• Department of State or other federal overseas post experience.
• SD-WAN, network automation, or infrastructure-as-code experience for network configuration.
• Experience with network assurance and modeling tools, enterprise monitoring platforms, and ServiceNow ITSM and CMDB.
• CCIE or vendor certification on the deployed platform.

Responsibilities

• Engineer and operate routing, switching, and transport across a worldwide classified network, including encrypted transport and inline network encryptors.
• Troubleshoot complex faults end to end, identify whether issues stem from circuits, transport, encryption, routing, or devices, and restore service to posts under operational time pressure.
• Provide Tier II and Tier III escalation support for incidents the service desk cannot resolve, including participation in an on-call rotation covering the mission's time zones.
• Design and implement network changes through formal configuration control, preparing tests, back-out plans, and post-change verification before maintenance windows.
• Engineer post network architectures, including site surveys, equipment refreshes, bandwidth and capacity planning, and design for constrained circuits.
• Implement access controls for sensitive network devices and hardening standards, and remediate scan and assessment findings within accreditation timelines.
• Operate network monitoring, performance management, and configuration compliance tools to identify problems proactively.
• Document network designs, configurations, and runbooks so other engineers can sustain the work.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level