Network Engineer, TS/Q Clearance Required

General Dynamics Information Technology

Network Engineer designing and securing Cisco infrastructure for GDIT’s Department of Energy NNSA programs. Troubleshooting, optimizing, and documenting mission-critical LAN, MAN, and WAN systems.

Posted 8/5/2026full-timeGermantown • Colorado, Maryland, New Mexico • 🇺🇸 United StatesSeniorLead💰 $110,500 - $149,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in network engineering, including design, implementation, and troubleshooting of LAN, MAN, and WAN systems. Proficient in network security practices and compliance standards, with a strong focus on performance optimization and technical documentation.

Highest-signal resume keywords

Network EngineeringRouting And Switching ProtocolsCisco Routers And SwitchesDOE Q Or TS Security ClearanceBGP, OSPF, EIGRP Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network DesignCircuit TroubleshootingTraffic AnalysisCapacity PlanningSystem-Level DesignNetwork Performance ImprovementNetwork Security PracticesDISA STIGs FamiliarityTechnical DocumentationRoot-Cause Analysis

Tools & Technologies

Cisco FirewallsWireless TechnologiesMicrosoft DNSUnix BINDJuniperPalo Alto

Certifications & Qualifications

CCNACCNPCCDACCIE

Industry Keywords

Department Of EnergyNNSA OperationsFederal Security FrameworksOrganizational Compliance Standards

Tech Stack

Tools & technologies

DNSFirewallsSwitchingTypeScriptUnix

About the role

Key responsibilities & impact

Design, build, and implement LAN, MAN, and WAN network systems
Monitor and diagnose network issues and perform root-cause analysis
Analyze traffic patterns and provide capacity planning solutions
Coordinate with vendor support services and escalate outages or performance issues
Perform system-level design and configuration, including hardware, operating system, and platform specifications
Evaluate and test network products and technologies
Provide technical assistance and oversight across network operations, administration, security, and systems integration
Contribute technical input to network policies, standards, constraints, and budgets
Test and analyze network hardware, communications systems, and connectivity components
Identify and implement network performance and security improvements
Create and maintain network configuration, process, and procedure documentation
Support mission-critical Department of Energy NNSA operations

Requirements

What you’ll need

Bachelor's degree or equivalent years of experience
12+ years of professional experience in network engineering, infrastructure design, and circuit troubleshooting
Experience with routing and switching protocols
DOE Q or TS security clearance required
US citizenship required
Deep knowledge of Cisco routers, switches, firewalls, wireless technologies, and network design principles
Expertise in BGP, OSPF, EIGRP, STP, RSTP, VXLAN, and LACP
Understanding of network security practices, system hardening, and organizational compliance standards
Experience with DISA STIGs and other federal security frameworks
Familiarity with Microsoft DNS and Unix BIND systems
Cisco certification is valuable; CCNA, CCNP, CCDA, CCIE, or other Cisco certification listed
Juniper and Palo Alto experience is a plus
Less than 10% travel required

Benefits

Comp & perks

Professional growth through internal mobility programs
Paid certifications
Continuous learning opportunities
Competitive compensation
Medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan
401(k) plan with pre-tax and post-tax contributions and company match
Full flex work weeks where possible
Vacation, sick, personal, holiday, parental, military, bereavement, and jury duty leave
Short- and long-term disability benefits
Life insurance
Accidental death and dismemberment insurance
Personal accident insurance
Critical illness insurance
Business travel and accident insurance
Diverse and collaborative work environment
Mission impact supporting critical government programs