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

Fallstechnology; Chantilly (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Falls Technology is seeking an experienced network engineer to design, operate, and harden networks for public portals and mission networks at our on-site facility in Chantilly, VA. You will configure Tor Onion Services, implement CDN integrations, and ensure secure open-web and dark-web access while supporting on-call responses.

Required skills include TS/SCI with Full Scope Polygraph, deep knowledge of network protocols, and experience with internet-facing systems.

Qualifications

• Active TS/SCI with Full Scope Polygraph is required.
• Experience engineering networks for public portals and internet-facing tech.
• Familiar with CDN integrations and Tor Onion Services.
• Ability to configure open-web and dark-web security settings.
• Strong network and browser troubleshooting skills.
• Document configurations and procedures clearly.

Responsibilities

• Engineer and troubleshoot networks for public portals and mission networks.
• Configure and maintain Tor Onion Services and related security settings.
• Design and operate CDN integrations with public services.
• Work with network hardware/software and encryption protocols.
• Troubleshoot network and browser issues and document results.
• Collaborate with cyber/program teams on secure designs.
• Support on-call response within two hours and aim for three-hour restorations.

Skills

Active TS/SCI with Full Scope Poly

Network engineering

Open-web/dark-web security

Tor Onion Services

CDN integrations

Encryption protocols

Network troubleshooting

Documentation

Browser security settings

Tools

Cisco

Juniper

VMware

SolarWinds

Forward Networks

VPN

VPC

Python scripting

Job description

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.

Falls Technology is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, disability, or protected veteran status.