COMSEC / Network Administrator

General Dynamics Information Technology, Inc.; United States; On-site; USD 85,000 - 115,000; Full time

Job summary

General Dynamics Information Technology, Inc. seeks a COMSEC/Network Administrator to advance Army Europe and AFRICOM missions. Installs, configures, and maintains Cisco routers/switches, VPNs, firewalls, and CUCM; supports COMSEC gear and cryptographic devices.

Leads juniors, ensures cybersecurity compliance, and maintains documentation. Strong DoD/enterprise networking background required; US citizenship required.

Qualifications

• BA/BS (or equivalent experience)
• 10+ years of related experience
• Experience with cryptographic equipment and lifecycle support
• Senior network technician/lead in a DoD or enterprise network
• Experience configuring Cisco routing/switching technologies, CUCM, VPNs, firewalls, and advanced routing protocols
• Knowledge of WAN circuits and MPLS transport
• Experience ensuring patch and IAVA compliance
• Experience with TACLANE devices and secure communications
• Ability to work independently in a remote environment and make rapid decisions during operational events
• Valid U.S. driver’s license and international driver’s permit
• Willingness to participate in on-call schedule
• Strong communication with leadership and partners

Responsibilities

• Install, configure, and maintain Cisco routers, switches, and networking software (Cisco IOS).
• Configure, manage, and troubleshoot LAN/WAN technologies (TCP/IP, BGP, OSPF, EIGRP, VPNs).
• Provide support for COMSEC equipment, cryptographic devices, TACLANEs, and key management.
• Lead and mentor junior technicians, ensure standardization and compliance.
• Track, manage, and report site-level network issues and risks.
• Oversee day-to-day work execution and maintain documentation.
• Coordinate with System Administrators to resolve multi-layered issues.
• Maintain network diagrams, accreditation artifacts, and baselines.
• Plan network modernization and technology upgrades.
• Ensure compliance with DoD/DISA/EMITS policies.

Skills

Enterprise Network

Information Assurance

Network Configurations

Networking Hardware

Technical Support

US Citizenship

Education

BA/BS or equivalent experience

Tools

Cisco IOS

CUCM

VPNs

TACLANE devices

Cryptographic equipment

DoD 8570 IAT Level II

CCNA

CCNP

CCNA Collaboration Core (CLCOR) exam

ITIL v4 Foundation

Juniper (JNCIA/JNCIS)

Project+ / CAPM / PMP

FOA / BICSI

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Enterprise Network, Information Assurance, Network Configurations, Networking Hardware, Technical Support Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes

COMSEC / Network Administrator

Advance how our customers operate while you advance your career. Join GDIT as a COMSEC / Network Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. At GDIT, people are our differentiator. As a COMSEC / Network Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on COMSEC / Network Administrator joining our team to help build and enable the readiness of our Nation's Army!

MEANINGFUL WORK AND PERSONAL IMPACT

As a COMSEC / Network Administrator 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. In addition to full technical responsibilities listed above, the Senior Network Administrator will have the opportunity to: 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.

WHAT YOU’LL NEED TO SUCCEED

• Education: BA/BS (or equivalent experience)
• Experience: 10+ years of related experience
• Required Technical skills: Must have experience with cryptographic equipment and lifecycle support to include installing, securing and operating government procured COMSEC equipment.
• Demonstrated experience as a senior network technician or lead in a DoD or enterprise network environment.
• Experience configuring Cisco routing/switching technologies, CUCM, VPNs, firewalls, and advanced routing protocols.
• Knowledge of WAN circuits and experience with MPLS transport.
• Experience ensuring patch and IAVA compliance across network environments.
• Experience with TACLANE devices, cryptographic key management, and secure communications.
• Ability to work independently, remote environment and make rapid decisions during operational events.
• Must possess a valid U.S. driver’s license and an international driver’s permit.
• Must be willing to participate in an on-call schedule to ensure continuous network support.
• Strong communication skills and the ability to interface directly with leadership, mission partners, and stakeholders.

Role Requirements

Must possess a valid U.S. driver’s license and an international driver’s permit. Must be willing to participate in an on-call schedule to ensure continuous network support.

Certifications

DoD 8570 IAT Level II certification – Required; Computing Environment (CE) Certification ; (CCNA satisfies this requirement.); Cisco Certified Network Associate (CCNA) - Required; Ability to successfully complete the Cisco Collaboration Core (CLCOR) exam to support VoIP related requests; ITIL v4 Foundation certification – (within 90 days if not held at hire); Cisco Certified Network Professional (CCNP) – Preferred; Juniper certification or proven Juniper experience highly desired (e.g., JNCIA, JNCIS); IT Project Management certification preferred (Project+, CAPM, PMP); Fiber Optic Association (FOA) or BICSI certification preferred for fiber/ISP/OSP work.

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Total Rewards at GDIT

The benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity

Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

The likely salary range for this position is $85,000 - $115,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or relocation or transportation benefits, above base salary range noted.

Scheduled Weekly Hours: 40 Travel Required: 25-50% Telecommuting Options: Onsite Work Location: International Additional Work Locations: