Tier III O&M

Footbridge Federal; Centreville (VA); Hybrid; USD 150,000 - 190,000; Full time

Job summary

Footbridge Federal in Centreville, VA seeks a senior network engineer with active TS/SCI clearance to lead complex troubleshooting, configure Cisco and Juniper routers and switches, and manage boundary protection platforms for defense programs. You will also analyze traffic and optimize topology, document procedures, and support COMSEC duties as needed.

The role requires hands-on routing, VPNs, MPLS, ITSM familiarity, and the ability to work occasional after-hours on-call.

Qualifications

• Active TS/SCI with CI Polygraph clearance required.
• Minimum 12 years of experience with a Bachelor's degree, 14 with an Associate's, or 16 with a High School diploma.
• Hands-on experience configuring/troubleshooting Cisco and Juniper routers and switches.
• Expertise with boundary protection platforms (Palo Alto, Cisco ASA, Forcepoint).
• Deep understanding of IP networking, NAT, VPNs, and routing protocols (OSPF, BGP, MPLS).
• Familiarity with ITSM platforms such as ServiceNow; MS Office and Visio for diagrams.

Responsibilities

• Perform Tier III troubleshooting to isolate and resolve complex network faults.
• Administer routing and switching configurations using OSPF, BGP, VRFs, and MPLS.
• Manage firewall rulesets and boundary security policies for secure connectivity.
• Analyze network traffic, throughput, and performance metrics; suggest topology optimizations.
• Create and update technical documentation, troubleshooting guides, and schematics.
• Support COMSEC duties (up to 10%); assist with configuration management.

Skills

Clearance TS/SCI with CI Polygraph

Experience 12y+

Cisco & Juniper routers and switches

Boundary protection platforms

IP networking

Subnetting

NAT

VPNs

OSPF

BGP/MPLS

ITSM (ServiceNow)

MS Office

Education

Bachelor's degree

Associate's degree

High School diploma

Tools

Visio

ServiceNow

Job description

• Perform Tier III troubleshooting to isolate and resolve complex network faults.
• Administer routing and switching configurations using protocols such as OSPF, BGP, VRFs, and MPLS.
• Manage and modify firewall rulesets and boundary security policies to ensure secure connectivity.
• Analyze network traffic, throughput, and performance metrics to recommend topology optimizations.
• Create and update technical documentation, troubleshooting guides, and network schematics.
• Support COMSEC duties (up to 10% of responsibilities) and assist with configuration management.

Minimum Qualifications

• Clearance: Active TS/SCI with CI Polygraph.
• Experience: A minimum of 12 years of experience with a Bachelor's degree, 14 years with an Associate's, or 16 years with a High School diploma.
• Strong hands‑on experience configuring and troubleshooting Cisco and Juniper routers and switches.
• Proven expertise with boundary protection platforms, including Palo Alto, Cisco ASA, or Forcepoint.
• Deep understanding of IP networking, subnetting, NAT, VPNs, and routing protocols (OSPF, BGP, MPLS).
• Familiarity with IT Service Management (ITSM) platforms such as ServiceNow.
• Proficiency with MS Office suite, including Visio for network diagramming.

Required Skills

• Clearance: Active TS/SCI with CI Polygraph.
• Experience: A minimum of 12 years of experience with a Bachelor's degree, 14 years with an Associate's, or 16 years with a High School diploma.
• Strong hands‑on experience configuring and troubleshooting Cisco and Juniper routers and switches.
• Proven expertise with boundary protection platforms, including Palo Alto, Cisco ASA, or Forcepoint.
• Deep understanding of IP networking, subnetting, NAT, VPNs, and routing protocols (OSPF, BGP, MPLS).
• Familiarity with IT Service Management (ITSM) platforms such as ServiceNow.
• Proficiency with MS Office suite, including Visio for network diagramming.

Security Clearance

• Level: TS/SCI

Travel or Schedule

• Full‑time schedule with requirement for occasional after‑hours on‑call support for urgent incident resolution.

Contract employment On‑site work arrangement

• Health and Financial Foundation — Medical, dental, vision, retirement, life insurance, disability coverage, and flexible spending accounts are described in the benefits page.
• Time Away and Flexibility Where Mission Permits — PTO, holidays, sick time, military leave, and flexible arrangements are supported where program and security requirements allow.
• Professional Development — The site references certification support, training, conferences, mentorship, internal mobility, and individual development planning.

Hiring process

• 1

  Apply

  Submit your resume and contact details in about two minutes.

• 2

  Recruiter Review

  Recruiting reviews your resume for role alignment, technical background, clearance status where relevant, and program fit.

• 3

  Interview

  Qualified candidates may meet program, technical, or delivery leaders to discuss experience and expectations for the role.

• 4

  Offer

  When there is a match, the team coordinates offer, onboarding, clearance transfer or sponsorship details where contractually authorized.

Mission

Footbridge Federal delivers engineering, cyber, mission IT, analytics, and cleared program support for defense, intelligence, federal civilian, homeland security, and research missions.

Culture

Mission Context Matters

Candidates should expect work tied to defense, intelligence, federal civilian, homeland, and research missions rather than generic commercial delivery.

Small‑Team Accountability

The culture copy emphasizes ownership, communication, and practical execution across teams that work close to customers and program outcomes.

Growth With Technical Credibility

Career content supports hands‑on technical growth, certifications, internal mobility, and program leadership without forcing one career track.

Benefits & why work here

• Health and Financial Foundation: Medical, dental, vision, retirement, life insurance, disability coverage, and flexible spending accounts are described in the benefits page.
• Time Away and Flexibility Where Mission Permits: PTO, holidays, sick time, military leave, and flexible arrangements are supported where program and security requirements allow.
• Professional Development: The site references certification support, training, conferences, mentorship, internal mobility, and individual development planning.