Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Network Engineer Principal (TS/Q clearance required)

Gdit

Public Trust: Other
Requisition Type: Regular
Your Impact

Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being and support of U.S. citizens.

Job Description

GDIT is seeking an experienced  Network Engineer to join our team supporting mission-critical operations for the Department of Energy's National Nuclear Security Administration (NNSA). In this role, you will design, implement, maintain, and troubleshoot complex network systems to ensure optimal performance, security, reliability, and scalability in a large-scale Cisco environment.


This is an exciting opportunity to apply your expertise in network infrastructure and security best practices to advance enterprise IT capabilities for critical government programs.

Responsibilities:

  • Infrastructure Design & Implementation: Design, build, and implement network systems for LAN, MAN, and WAN environments, ensuring they meet performance and scalability requirements.
  • System Monitoring & Troubleshooting: Monitor and diagnose network issues, performing root-cause analysis to address connectivity problems and optimize operations.
  • Traffic Analysis & Capacity Planning: Analyze network traffic patterns and provide capacity planning solutions to support infrastructure growth and performance improvements.
  • Vendor Coordination: Interface with vendor support services to ensure timely resolution of issues and proper escalation during outages or performance degradations.
  • System Configuration: Perform system-level design and configuration, determining hardware, operating systems, and platform specifications to meet operational requirements.
  • Quality Assurance: Evaluate and test new and existing network products and technologies, ensuring they align with organizational standards and quality protocols.
  • Network Operations Oversight: Provide technical assistance and oversight across all network operations, including LAN/MAN/WAN administration, security protocols, and systems integration.
  • Policy Input: Contribute to policy discussions by providing insights on standards, technical constraints, and budget considerations impacting network operations.
  • Testing & Optimization: Conduct routine testing and analysis of network hardware, communications systems, and connectivity components.
  • Performance Enhancements: Identify opportunities for network optimization and implement improvements to maximize system performance and security.
  • Documentation: Create and maintain detailed documentation for network configurations, processes, and procedures to support operational consistency.

Minimum Qualifications:

  • Education: Bachelor's degree or equivalent years of experience. Having a Cisco certification would be more valuable
  • Experience: 8+ years of professional experience in network engineering, infrastructure design, and circuit troubleshooting involving routing & switching protocols.
  • Security Clearance: DOE Q or TS clearance required.
  • Technical Expertise:
    • Deep knowledge of Cisco routers, switches, firewalls, wireless technologies, and network design principles. (Experience with Juniper and Palo Alto also a plus)
    • Expertise in protocols like BGP, OSPF, EIGRP, STP, RSTP, VXLAN, and LACP.
    • Understanding of network security practices, including system hardening and compliance with organizational standards.

Preferred Qualifications:

  • DOE Experience: Previous experience working with the Department of Energy or similar federal agencies.
  • DNS & Configuration Expertise: Familiarity with Microsoft DNS and Unix BIND systems.
  • Compliance Standards: Experience with DISA STIGs and other security frameworks required for federal compliance.
  • CCNA, CCNP, CCDA, CCIE, or other Cisco certification

Work Location: Onsite at client site in Denver, CO
Citizenship: US Citizenship required.

Security Clearance: DOE Q or TS clearance required.

Why Join GDIT?

At GDIT, your contributions help deliver solutions that ensure national security and operational excellence.

  • Professional Growth: Access internal mobility programs, paid certifications, and continuous learning opportunities to expand your career journey.
  • Comprehensive Benefits: Competitive compensation, health and wellness packages, 401(k) company match, and paid time off.
  • Collaborative Environment: Work alongside a diverse and innovative team that prioritizes teamwork and high-impact results.
  • Mission Impact: Support critical government programs by advancing enterprise IT infrastructure and modernizing essential functions.

#WeAreGDIT #NNSAITOPS

Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Network Engineer Principal (TS/Q clearance required) in Denver, Jefferson County, CO vacancy
  • $200k - $225k

     ...Instructional Design and Training, Software Engineering and IT Support Services to...  ...to serve with MKS2. Sr. Principal Pipeline Engineer - TS/SCI Clearance REQUIRED Location: Aurora, CO Rate:...  ...servers, workstations, storage, networks, and custom hardware—provide the... 
    Principal
    Contract work
    Work experience placement

    MKS2 Technologies

    Denver, CO
    13 days ago
  • $160k - $180k

     ...Principal Network Engineer We are seeking a highly skilled and experienced Principal...  ...verify that the systems meet requirements and can host applications with...  ...customer location SECURITY CLEARANCE: Must be currently eligible for a TS/SCI Desired Qualifications... 
    Principal
    Work at office

    Sev1Tech

    Denver, CO
    5 days ago
  • $82.7k - $173.9k

    Job Title: Network Engineer IIIJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental USAnticipated Posting End: 8/31/2026The OpportunityNetwork... 
    Suggested
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Denver, CO
    4 days ago
  • $75.2k - $158.1k

    Job Title: Recapitalization Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage...  ...CACI is seeking a Senior Network Engineer to support the recapitalization of an... 
    Suggested
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International

    Denver, CO
    2 days ago
  • $75.2k - $158.1k

    Job Title: Network Engineer Tier 2Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: There is not... 
    Suggested
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International

    Denver, CO
    2 days ago
  • $132.1k - $237.9k

     ...about working with cutting-edge network technologies? Do you enjoy...  ...? Join our Global Network Engineering team The Network...  ...Partner with the best As a Principal Network Engineer you will lead...  ...financial wellness; Eligibility requirements apply. Equal Employment... 
    Principal
    Work experience placement

    Akamai

    Denver, CO
    5 days ago
  • $140k - $160k

     ...Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network...  ...service delivery for customer requirements in a mission‑focused operational enterprise...  ...(WANs). Requirements Required Clearance TS/SCI CI Poly. Candidate must have 10 years... 
    Full time
    Local area

    Jacobs

    Denver, CO
    1 day ago
  • $110k - $140k

     ...RESPONSIBILITIES The​Network Engineer is expected to be able to accomplish...  ..., and DIA operational requirements. Conduct in depth cost/benefit...  ...QUALIFICATIONS Active TS/SCI +CI Polyclearance BS,...  ...WORK AUTHORIZATION/SECURITY CLEARANCE U.S. Citizenship Active... 
    Full time
    Contract work
    Temporary work
    Local area
    Shift work

    TekSynap

    Denver, CO
    3 days ago
  •  ...Job Description We are seeking a Network Engineer with an active Top Secret clearance to join our collaborative, multi-disciplinary team. This role requires deep expertise in network design,...  ...Qualifications Clearance ~ Current TS will be required to undergo a CI... 
    Full time
    Local area
    Remote work

    NBCUniversal

    Denver, CO
    5 days ago
  •  ...Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network...  ...service delivery for customer requirements in a mission-focused operational enterprise...  ...(WANs). Requirements Required Clearance: TS/SCI CI Poly Candidate must have 10... 
    Local area

    Jacobs

    Denver, CO
    5 days ago
  •  ...Principal Network Automation Engineer Denver, CO We seek a Principal Network Engineer to lead the design and implementation of network systems...  ...new features forward. Skills, Experience and Requirements Education and Experience: ~ A Bachelor's degree... 
    Principal

    ECHO IT SOLUTIONS INC .

    Denver, CO
    16 hours ago
  • $102.3k - $209.5k

     ...Description We are the AI Infrastructure - Network Operations team at OCI. We support...  ...underneath your workload. A Principal Network Engineer on our team supports the design, deployment...  ...with product and service requirements. Partner with vendor engineering teams... 
    Principal
    Temporary work
    Flexible hours

    Oracle

    Denver, CO
    3 days ago
  • $75.2k - $158.1k

    Job Title: Network Operations Center (NOC) Engineer (Tier 2)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated... 
    Contract work
    Work experience placement
    Second job
    Immediate start
    Flexible hours
    Shift work
    Night shift

    CACI International

    Denver, CO
    2 days ago
  • $100k - $200k

     ...CODescriptionWho we are:At Applied Network Solutions (ANS), we bring...  ...expertise in network, system engineering and both offensive and...  ...wide range of customer network requirements. This is a unique and rare opportunity...  ...and effectively.Requirements:TS/SCI PolyCandidate must have 1... 
    Contract work
    Temporary work
    Local area

    Applied Network Solutions

    Denver, CO
    3 days ago
  • $133.5k - $186.9k

     ...Origin is seeking an experienced Sr. Network Systems Engineer to join our COMSEC team within the Core...  ...Define and manage network systems requirements, interfaces, and performance parameters...  ...Active Top Secret security clearance Experience supporting defense, aerospace... 
    Permanent employment
    Full time
    Temporary work
    Local area

    BLUE ORIGIN

    Denver, CO
    3 hours ago
  •  ...subject to U.S. export control laws, requiring U.S. person status as defined by...  ...details below.Vantor is hiring a Principal Satellite Systems Engineer to join our SpaceWRX team to...  ...obtain a US Government security clearance at the TS/SCI level #LI-MG1Pay Transparency... 
    Principal
    Permanent employment
    Full time
    For subcontractor

    Maxar Technologies

    Westminster, CO
    1 day ago
  •  ...from concept through flight, including requirements development, architecture definition, schematic...  ...PCB layout with attention to creepage, clearance, EMI/EMC performance, thermal...  ...interchange meetings Mentor electrical engineers across the organization and help establish... 
    Principal
    Permanent employment

    Lunar Outpost

    Golden, CO
    1 day ago
  • Principal Senior Systems Engineer - HPE Networking (Mid-Telco Accounts)This role has been designated as ‘Remote/Teleworker’, which means you will primarily...  ...so they can turn insights into outcomes at the speed required to thrive in today’s complex world. Our culture... 
    Principal
    Full time
    Work experience placement
    Work at office
    Local area
    Immediate start
    Remote work
    Work from home

    Hewlett Packard Enterprise

    Denver, CO
    2 days ago
  • $137.4k - $302.3k

    Job Title: Principal Solutions ArchitectJob Category: EngineeringTime...  ...Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type:...  ...require hardware, software, networking, cloud architectures,...  ...unique government-specified engineering knowledge in order to... 
    Principal
    Contract work
    For contractors
    Work experience placement
    Flexible hours

    CACI International

    Denver, CO
    6 hours ago
  • $132.4k - $251.6k

     ...Person, or Immigration Status Requirements: Active and transferable...  .... government issued security clearance is required prior to start...  ...Security Clearance Type: TS/SCI - Current Security Clearance...  ...of experience and renowned engineering expertise to meet the needs... 
    Principal
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation
    Relocation package
    Flexible hours

    Raytheon

    Denver, CO
    4 days ago
  •  ...on the Taleo Support site under the section titled Quick Reference Guides.QualificationsNote: Recruiter to paste Qualifications/Requirements of the job here.Avanzando juntosEstamos comprometidos a construir un lugar de trabajo diverso, inclusivo y respetuoso donde todos... 
    Principal

    Worley

    Golden, CO
    2 days ago
  •  ...Network Engineer I - Staffs Network Operations Center for the ITS & Network Services unit. Monitoring of the CDOT-ITS network and third-party...  ...network systems to eliminate problems and make improvements. Requires a bachelor's degree in area of specialty and at least 1 year... 

    Advance American Tech, Inc.

    Golden, CO
    4 days ago
  • $98.5k - $206.8k

     ...EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required:...  ...). 5+ years of platform, infrastructure, or software engineering experience. Hands-on experience with Kubernetes and... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Denver, CO
    1 day ago
  •  ...Network Planning Engineer (Telecom Circuit Design) Resources will be required to work on client's site in Melbourne, FL. Non-local candidates will be compensated accordingly...  .... i. Ability to obtain a Public Trust Clearance security clearance. Preferred Additional... 
    Work at office
    Local area
    Night shift

    ADEX

    Denver, CO
    2 days ago
  • $250.6k - $362.6k

     ...comprehensive security outcomes, as a Principal Engineer. The team delivers secure, scalable...  ...infrastructure, security, policy and networking, with a strong emphasis on reliability...  ...unique time off program to meet local requirements.Job SummaryJob number: 2020255Date... 
    Principal
    Full time
    Temporary work
    Local area
    Remote work
    Flexible hours

    CISCO Systems

    Denver, CO
    3 days ago
  • $107.5k - $204.5k

     ...Person, or Immigration Status Requirements: Active and transferable...  .... government issued security clearance is required prior to start...  ...Security Clearance Type: TS/SCI without Polygraph Security...  ...of experience and renowned engineering expertise to meet the needs... 
    Principal
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation
    Relocation package
    Flexible hours

    Raytheon

    Westminster, CO
    4 days ago
  • $120k - $150k

     ...Status: Full-time / On-site Clearance: Top Secret Required Certification(s): IAT Level II (Security+...  ...is a general guideline only. RTL Networks considers factors such as (but not limited...  ...exciting opportunity for a Network Engineer providing network hardware &... 
    Full time
    Work experience placement
    Remote work
    Night shift
    Weekend work

    RTL Networks Inc

    Denver, CO
    4 days ago
  • $90.3k - $189.6k

     ...EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of...  .../8/2026The Opportunity: CACI is seeking a Cloud Software Engineer to join our Fusion Analysis & Development Effort (FADE) team... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Denver, CO
    3 days ago
  • $82.1k - $172.4k

     ...TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type:...  ...owners, operations teams, and program engineers.Responsibilities:Lead integration and...  ...issues spanning applications, data, networks, and infrastructure. Coordinate... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Denver, CO
    1 day ago
  • $40 - $60 per hour

     ...Principal Network Development Engineer Qualification: ~ Bachelor's Degree in Computer Science, Electrical Engineering, or related field or equivalent...  ...health and safety needs (Cedent provides all legally required benefits under Colorado law, including HFWA-compliant... 
    Principal
    Hourly pay
    Contract work
    Temporary work
    Part time
    Work experience placement

    CEDENT

    Denver, CO
    more than 2 months ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Network Engineer Principal (TS/Q clearance required). Be the first to apply!