Field Systems Engineer — On-Site Network Deployments (TS)

Core One; Sterling (VA); On-site; USD 95,000 - 125,000; Full time

Job summary

Core One is seeking a hands-on Field Engineer to deploy, configure, and sustain network and systems infrastructure across customer sites in the United States. You will be the sole technical presence on site, diagnosing issues and delivering field-level engineering support under schedule pressure.

The role sits in the Strategic Services Division's Engineering Capabilities Group, reporting to the Deputy Program Manager - Technical. Active TS clearance and willingness to travel are required.

Qualifications

• Associate's degree in Information Technology, Computer Science, or a related field, or 4+ additional years of relevant experience.
• 3+ years of field operations, IT infrastructure, or systems and network administration experience.
• Hands-on configuration and troubleshooting of network hardware, including routers, switches, and firewalls.
• Working knowledge of Windows and Linux administration and virtualization platforms.
• Ability to work independently at remote sites with limited supervision.
• Willingness and ability to travel frequently to field locations throughout the United States, including extended on-site assignments; valid driver's license and ability to obtain and maintain a passport.
• Must be a U.S. Citizen and hold an active Top Secret (TS) clearance.

Responsibilities

• Travel to customer and program sites nationwide to perform installations, deployments, and infrastructure build-outs, including site surveys, rack-and-cable work, and customer handoff and acceptance testing
• Configure and troubleshoot routers, switches, firewalls, and wireless infrastructure to established program baselines, including VPN tunnels, circuit turn-up, and remote access
• Install, configure, and maintain Windows and Linux servers, workstations, and virtualization hosts, including account provisioning, patching, and backup verification
• Support end users on site and remotely, resolving hardware, software, mobile device, and peripheral issues, and deploy imaging and endpoint management tooling
• Apply security baselines and hardening standards to deployed systems, maintain accountability for equipment and sensitive material in transit, and follow established change control procedures
• Produce as-built documentation, site records, network diagrams, and trip reports, and coordinate with Systems Engineers, Network Engineers, and program management to align field execution with technical design

Skills

Field operations experience

Network troubleshooting

Windows/Linux administration

Travel readiness

Independent work

Security clearance awareness

Education

Associate's degree in IT/CS or equivalent

Bachelor's degree in IT/CS (desired)

Tools

Routers/switches/firewalls

Network virtualization platforms

VPN and remote access

Job description

Core One is seeking a hands-on Field Engineer to deploy, configure, and sustain network and systems infrastructure across customer sites in the United States. You will be the sole technical presence on site, diagnosing issues and delivering field-level engineering support under schedule pressure.

The role sits in the Strategic Services Division's Engineering Capabilities Group, reporting to the Deputy Program Manager - Technical. Active TS clearance and willingness to travel are required.