COMSEC / Network Administrator

General Dynamics Information Technology (GDIT); United States; On-site; USD 80,000 - 108,000; Full time

Job summary

General Dynamics Information Technology is seeking a COMSEC / Network Administrator to advance enterprise IT operations for the U.S. Army Europe and AFRICOM missions.

You will install, configure, and maintain Cisco routers and switches, manage LAN/WAN technologies, and support cryptographic equipment while ensuring DoD cybersecurity requirements. You will lead day-to-day network operations, coordinate with theater leadership and partners, mentor junior staff, and maintain accurate documentation.

Qualifications

• Education: BA/BS (or equivalent experience).
• Experience: 10+ years of related experience.
• Must have experience with cryptographic equipment and lifecycle support for government-procured COMSEC equipment.
• Senior network technician or lead experience in a DoD or enterprise network.
• Experience configuring Cisco routing/switching technologies, CUCM, VPNs, firewalls, and advanced routing protocols (WAN/MPLS).
• Experience ensuring patch and IAVA compliance across network environments.
• Experience with TACLANE devices, cryptographic key management, and secure communications.
• Must be willing to participate in an on-call schedule for continuous network support.

Responsibilities

• 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, VPNs, firewalls, and CUCM.
• Provides support for COMSEC equipment, cryptographic devices, TACLANEs, and key management; CHIMERA/HAIPE experience is a plus.
• Serve as primary POC for network issues at site, coordinating with leadership and partners.
• Lead and mentor junior technicians to ensure standardization, proper configuration, and cybersecurity compliance.
• Track, manage, and report network issues, risks, and maintenance actions to leadership.

Skills

Enterprise Network

Information Assurance

Network Configurations

Networking Hardware

Technical Support

Education

BA/BS (or equivalent experience)

Tools

Cisco IOS

CUCM

VPNs

Firewalls

TACLANE

CCNA

CCNP

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

Job Description:

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 the 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 includingTCP/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 effortsduring outages or network degradation, performing hands‑on diagnostics while directing junior personnel when necessary.
• Coordinate cross-discipline supportwith System Administrators to resolve multi-layered issues and maintain mission continuity.
• Maintain and validate network diagrams, accreditation artifacts, and configuration baselinesfor 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

Bring your technology expertise and drive for innovation to GDIT. The COMSEC / Network Administrator must have:

• 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 asenior network technician or leadin 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.

• Security Clearance: Secret Clearance with a T5/SSBI investigationrequired
• 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 preferredfor 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.

#GDITarmy

#GDITrecruiting

#defenseOCONUS

The likely salary range for this position is $80,179 - $108,477. 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%

T elecommuting Options:
Onsite

Work Location:
International

Additional Work Locations:

Total Rewards at GDIT:

Our 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.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc .

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans