Network Engineer (CDN, Tor & Portal Security) - Senior | TS/SCI w/ Poly

Active TS/SCI with Full Scope Polygraph required. U.S. citizenship required.

Location: On-site in Chantilly, VA (Full-Time). Two openings. On-call within 2 hours; local and CONUS TDY travel possible.

Engineer the networks behind mission public portals — including open-internet and dark-web paths. You'll design, operate and harden CDN-backed services and Tor Onion Services so visitors stay protected and the specialized network stays up.

What you'll do

• Engineer, operate and troubleshoot networks supporting public portals and specialized mission networks

• Configure and maintain Tor Onion Services and related dark-web / open-web portal security settings

• Design and operate Content Delivery Network integrations with public services and websites

• Work with network hardware/software, internet networking and encryption protocols

• Troubleshoot network and browser issues; understand how browsers interact with sites and security settings

• Document network configurations, processes and procedures

• Collaborate with cyber and program teammates on secure designs that meet tradecraft and performance needs

• Support on-call response (report within two hours; target three-hour restoration when infrastructure allows)

What you bring (required)

• Active TS/SCI with Full Scope Polygraph

• Network engineering with deep understanding of network protocols and technologies

• Managing online public portals or similar internet-facing technology

• Network hardware/software systems, internet networking and encryption protocols

• Content Delivery Networks and how they interact with public services

• Tor and configuring/maintaining Tor Onion Services

• Open-web and dark-web security settings and tools

• Network and browser troubleshooting

• Documenting network configurations, processes and procedures

Nice to have

• Cisco, Juniper, Forward Networks, VMware or SolarWinds

• CCNA, CCNP, CISSP or Juniper JNCIA (Enterprise / Service Provider)

• VPS, VPN and VPC configuration

• Network monitoring tools

• Python scripting

• JavaScript/HTML/CSS web UI exposure

• Linux or Microsoft networking certifications

Why Falls

A 9% retirement contribution, 100% of family medical premiums paid, and 4 weeks of PTO. We're a small business that's been delivering since 2019, so your work is visible and your voice counts.