Senior Network Engineer
About The Position
GDIT is hiring a Senior Network Engineer to provide senior engineering services for Cisco networking, switching, routing, network troubleshooting, controlled technical changes, and operational resilience in support of the NATO SOFCOM mission. The role is full-time and on-site in Mons, Belgium, with 40 scheduled weekly hours and less than 10% travel required. The engineer will configure, maintain, troubleshoot, and document approved network infrastructure and support access switching, network access control integration, segmentation, remote access, and network performance remediation. The role also includes senior incident troubleshooting, approved changes during designated maintenance windows, infrastructure patching and vulnerability remediation, and maintenance of technical network documentation. An active Secret clearance is required to start, and U.S. citizenship is required. A Belgian SOFA request is submitted by GDIT on behalf of the selected candidate and is subject to a 6–12 week review process. The listed likely salary range is $93,662–$126,500; actual pay may vary based on experience, location, and contractual requirements. International compensation may include allowances, premium uplifts, and/or relocation or transportation benefits, depending on circumstances.
Requirements
- At least 5 years of related experience.
- Bachelor of Arts or Bachelor of Science; additional years of experience may be substituted for the degree requirement.
- Technical skills in DHCP, firewalls, VLANs, WAN, OSPF, routing, and switching.
- IAT Level II or higher certification.
- CCNA minimum certification.
- ITIL Foundation certification within 90 days of hire.
- Active Secret clearance required to start.
- U.S. citizenship required.
- Full-time, on-site work in Mons, Belgium.
Nice To Haves
- Cisco Certified Network Professional (CCNP) certification is preferred.
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, cybersecurity, 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 and logical diagrams, rack elevations, port and cabling inventory, configuration baselines, and technical runbooks.
Benefits
- Comprehensive benefits and wellness packages.
- 401(k) with company match.
- Competitive pay and paid time off.
- Medical plan options, including options with Health Savings Accounts.
- Dental plan options and vision plan.
- Full flex work weeks where possible.
- Paid time off plans that include vacation, sick, personal time, holidays, and paid parental, military, bereavement, and jury duty leave.
- Short- and long-term disability benefits.
- Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance are provided or available.
- International assignments may include allowances, premium uplifts, and/or relocation or transportation benefits, depending on circumstances.
- Career growth tools and learning opportunities.
- Internal mobility support.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
