Principal Network Engineer, TS/Q Clearance Required

General Dynamics Information Technology

Network Engineer designing and securing Cisco LAN/MAN/WAN infrastructure for GDIT’s Department of Energy national-security programs. Troubleshooting routing, switching, firewalls, and compliance across onsite client environments.

Posted 8/18/2026full-timeAlbuquerque • Colorado, Maryland, New Mexico • 🇺🇸 United StatesLead💰 $111,155 - $150,385 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 optimizing performance and ensuring operational integrity.

Highest-signal resume keywords

Network EngineeringRouting And Switching ProtocolsCisco Routers And SwitchesDOE Q Or TS Security ClearanceDISA STIGs Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network DesignCircuit TroubleshootingBGPOSPFEIGRPSTPRSTPVXLANLACPNetwork Security Practices

Tools & Technologies

Cisco FirewallsWireless TechnologiesMicrosoft DNSUnix BINDJuniperPalo Alto

Certifications & Qualifications

CCNACCNPCCDACCIE

Industry Keywords

Department Of EnergyFederal Security FrameworksNetwork OperationsSystem HardeningOrganizational Compliance Standards

Tech Stack

Tools & technologies

DNSFirewallsSwitchingTypeScriptUnix

About the role

Key responsibilities & impact

Design, build, and implement network systems for LAN, MAN, and WAN environments
Monitor and diagnose network issues and perform root-cause analysis
Analyze network traffic patterns and provide capacity-planning solutions
Coordinate with vendor support services and escalate outages or performance degradations
Perform system-level design and configuration, including hardware, operating systems, and platform specifications
Evaluate and test network products and technologies against organizational standards
Provide technical assistance and oversight across network operations, administration, security protocols, and systems integration
Contribute technical insights to network policies, standards, constraints, and budget considerations
Conduct routine testing and analysis of network hardware, communications systems, and connectivity components
Identify and implement network optimizations to improve performance and security
Create and maintain detailed network configuration, process, and procedure documentation
Support mission-critical Department of Energy National Nuclear Security Administration operations

Requirements

What you’ll need

Bachelor's degree or equivalent years of experience
10+ 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 required
Familiarity with Microsoft DNS and Unix BIND systems
Cisco certification is valuable; CCNA, CCNP, CCDA, CCIE, or another Cisco certification listed
Juniper and Palo Alto experience is a plus
Previous Department of Energy or similar federal-agency experience is preferred
Less than 10% travel required
Ability to work onsite at a client site in Denver, Albuquerque, or Germantown

Benefits

Comp & perks

Access to internal mobility programs
Paid certifications
Continuous learning opportunities
Competitive compensation
Health and wellness packages
401(k) company match
Paid time off
Medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan options
401(k) plan with pre-tax and post-tax contributions up to IRS annual limits
Vacation, sick, and personal time off
Paid holidays
Paid parental leave
Paid military leave
Paid bereavement leave
Paid 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
Full flex work weeks where possible
Identity verification process using advanced biometrics and artificial intelligence