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From the employer's careers site First seen 11 Nov 2026

Senior Network Engineer

GDIT BEL Mons - Supreme HQ Allied Powers EU (APC155) On-site senior full-time

Salary

$93,662 - $126,500 per year

Apply on GDIT

Description

Transform technology into opportunity as a Senior Network Engineer at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

As a Senior Network Engineer, the work you’ll do at GDIT will be impactful to the mission of NATO SOFCOM. You will play a crucial role in providing senior engineering services for Cisco networking, switching, routing, network troubleshooting, controlled technical changes and operational resilience.

Responsibilities:

  • Configure, maintain, troubleshoot and document approved Cisco routers, switches, routing protocols, VLANs, trunking and link aggregation.
  • Support access switching, 802.1X/NAC integration, network segmentation, remote access and network performance remediation.
  • Provide senior incident troubleshooting and coordinate fault isolation with systems, service desk, cyber and external providers.
  • Execute approved network change requests during designated maintenance windows with documented rollback plans.
  • Perform infrastructure patching, firmware maintenance and vulnerability remediation in coordination with cybersecurity.
  • Maintain physical/logical diagrams, rack elevations, port/cabling inventory, configuration baselines and technical runbooks.

Requirements:

  • Education: Bachelor of Arts/Bachelor of Science. Additional years of experience can be used in lieu of degree requirement.
  • Experience: 5+ years of related experience
  • Technical skills: DHCP, Firewalls, VLAN, WAN, OSPF, Routing, Switching
  • Certifications: IAT Level II or higher, Cisco Certified Network Associate (CCNA) minimum or Cisco Certified Network Profession (CCNP) preferred, and ITIL Foundation (within 90 days of hire)
  • Security clearance level: Active Secret required to start
  • Full-time, on-site in Mons, Belgium
  • Belgian SOFA Requirement: 6-12 week review process submitted to the Belgian government by GDIT on the applicant’s behalf. Request will be submitted after candidate is chosen.

Benefits:

  • Comprehensive benefits and wellness packages
  • 401K with company match
  • Competitive pay and paid time off
  • Award-winning culture of innovation and a military-friendly workplace

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Skills

Required

  • DHCP
  • Firewalls
  • VLAN
  • WAN
  • OSPF
  • Routing
  • Switching

Nice to have

  • Cisco Certified Network Associate (CCNA)
  • Cisco Certified Network Profession (CCNP)
  • ITIL Foundation
Apply on GDIT