Network Administrator

Type of Requisition

Regular

Secret

Secret

None

IT Infrastructure and Operations

• Skills:
  
  Networking, Network Systems, Technical Support
• Certifications:
  
  None
• Experience:
  
  10 + years of related experience
• US Citizenship
  
  Required:
  
  Yes

Advance how our customers operate while you advance your career. Join GDIT as a Network Administrator Principal and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

GDIT has an opportunity for a COMSEC Network Administrator supporting U.S. Army Europe as a member of our EMITS Program Team in Poznan Poland.

This role serves as a Sr. Network Administrator for Network Operations supporting the region of Poland. The individual will perform the full range of technical O&M responsibilities while also providing site-level leadership, tracking all network issues, mentoring junior technicians, and serving as the primary point of contact for network operations at their assigned location.

Team members provide comprehensive LAN/WAN/ICAN network services to a cluster consisting of 3 sites, including router and switch configuration, COMSEC, VoIP provisioning, DISA Node Site Coordinator (NSC) support, WAN circuit management, and cybersecurity compliance. As part of the network team, this position will also require the installation, maintenance, and troubleshooting of copper and fiber cabling, along with associated communications equipment, in accordance with all applicable DoD standards.

Success in this role is supported by the ability to thrive in a dynamic environment and communicate comfortably with both military and civilian leadership. A collaborative mindset, strong judgment, and confidence in handling evolving mission needs will help ensure smooth operations.

As a Network Administrator Principal, the work you’ll do at GDIT will be impactful to the mission of U.S. Army Europe and AFRICOM. You will play a crucial role in supplying mission command support.

• Installs, configures, and maintains Cisco routers, switches, and networking software (current Cisco IOS).
• Configures, manages, and troubleshoots LAN/WAN technologies including TCP/IP, BGP, OSPF, EIGRP, VPN solutions, firewalls, and Cisco Unified Communications Manager (CUCM).
• Provides support for COMSEC equipment, cryptographic devices, TACLANEs, and key management; CHIMERA/HAIPE experience a plus.
• Serve as the primary point of contact (POC) for all network issues at their site, coordinating with theater-level leadership, DISA, higher headquarters, mission partners, and other technical teams.
• Lead and mentor junior technicians, ensuring standardization, proper configuration, and compliance with cybersecurity and operational requirements.
• Track, manage, and report all site-level network issues, degradation events, risks, maintenance actions, and long-term trends to leadership and program management.
• Oversee day-to-day work execution, validate task completion, enforce configuration/change management processes, and maintain accurate operational documentation.
• Lead troubleshooting efforts during outages or network degradation, performing hands‑on diagnostics while directing junior personnel when necessary.
• Coordinate cross-discipline support with System Administrators to resolve multi-layered issues and maintain mission continuity.
• Maintain and validate network diagrams, accreditation artifacts, and configuration baselines for the location.
• Assist with planning and execution of network modernization, lifecycle refreshes, and technology upgrades affecting the site.
• Ensure compliance with all DoD, DISA, and EMITS program policies, producing timely and accurate reporting for mission partners and program leadership.

• Education
  : BA/BS (or equivalent experience)
• Experience
  : 10+ years of related experience
• Technical skills
  : must have experience with cryptographic equipment and lifecycle support including installing, securing and operating government procured COMSEC equipment.
• Security…