• Top Secret Senior

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Senior Top Secret Systems administrator to join their growing classified IT ... responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix...Active Directory, and VDI. You must have an active Top Secret clearance with SCI eligibility and… more
    Insight Global (11/10/25)
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  • Principal/ Senior Principal Systems

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... the Team:** We are looking for a Principal or Senior Principal Systems Engineer to join our...+ Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has… more
    Northrop Grumman (08/22/25)
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  • Federal Staff Customer Success Technical Architect…

    Confluent (Denver, CO)
    …travel up to 20% of the time **What Gives You an Edge:** + A US Secret , Top Secret ,TS/SCI Clearance + Confluent Developer or Administrator certifications ( ... including analysis of technical health and operational performance, to Confluent senior management. + Document and transfer knowledge to customers and internal… more
    Confluent (10/28/25)
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  • Engineer Senior Principal II Radar…

    BAE Systems (Westminster, CO)
    Secret security clearance is required with ability to obtain and maintain a Top Secret . + Proven track record in producibility of designs with cost, budget, ... available based on position level and/or job specifics. **Engineer Senior Principal II Radar Systems Subject Matter...job specifics. **Engineer Senior Principal II Radar Systems Subject Matter Expert** **118067BR** EEO Career Site Equal… more
    BAE Systems (11/07/25)
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  • Engineer Senior Principal - Systems

    BAE Systems (Westminster, CO)
    …SRR/PDR/CDR preparations. \#LI-NP1 **Preferred Education, Experience, & Skills** + Current Top Secret clearance preferred. **Pay Information** Full-Time Salary ... Education, US Department of Education. + A current, active Secret security clearance is required with the ability to...available based on position level and/or job specifics. **Engineer Senior Principal - Systems - Radar** **115497BR**… more
    BAE Systems (09/09/25)
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  • Engineer Senior Principal II Mission…

    BAE Systems (Broomfield, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with ability to obtain and maintain a ... may be available based on position level and/or job specifics. **Engineer Senior Principal II Mission Architect National Security Systems ** **116059BR** EEO… more
    BAE Systems (09/17/25)
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  • Systems Engineer Senior Electrical…

    BAE Systems (Broomfield, CO)
    …the applicable clearance/access. **Preferred Education, Experience, & Skills** + A current Top Secret /SCI security clearance is preferred. + Working knowledge of ... incentives may be available based on position level and/or job specifics. ** Systems Engineer Senior Electrical Traceability** **115322BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Engineer Senior - Mission Operations…

    BAE Systems (Broomfield, CO)
    …the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required. + Experience in mission operations, ... incentives may be available based on position level and/or job specifics. **Engineer Senior - Mission Operations Systems Engineer** **117772BR** EEO Career Site… more
    BAE Systems (11/07/25)
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  • Senior Network/ Systems

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be located in ... related to such changes. **Qualifications** High School with 9+ years systems administration (or commensurate experience) Secret Clearance **Company Overview**… more
    GovCIO (10/08/25)
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  • Senior Computer Systems Analyst

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Senior Computer Systems Analyst with an active Secret clearance. This position will be located in Sterling, ... the ability to program. **Qualifications** + High School with 9+ years computer systems analyst (or commensurate experience) + Active Secret clearance with… more
    GovCIO (10/14/25)
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  • Senior Systems Engineer

    Leidos (Aurora, CO)
    …Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate ... will lead systems engineering activities across the enterprise to help the...St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able… more
    Leidos (10/11/25)
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  • Senior Linux Systems Administrator…

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come break things (in a good ... **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (10/09/25)
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  • Senior OPIR Systems Engineer

    KBR (Denver, CO)
    …to effectively lead discussions across multiple groups Clearance Requirement: + Active Top Secret /SCI security clearance with a current Polygraph Belong, Connect ... Title: Senior OPIR Systems Engineer KBR is...Title: Senior OPIR Systems Engineer KBR is seeking a highly qualified...Advisor (SETA) support for a USG Agency. As a Senior OPIR Systems Engineer, you will be… more
    KBR (09/12/25)
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  • Senior Specialist, Systems

    L3Harris (Centennial, CO)
    …In lieu of a degree, minimum of 10 years of prior related experience. + Active Top Secret /SCI with CI Poly clearance required. + Must have experience with Joint ... and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - STO Planner (Active TS/SCI with CI Poly Required) Job… more
    L3Harris (09/13/25)
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  • Systems Engineer II - Core Systems

    BAE Systems (Broomfield, CO)
    …required, but the successful candidate must have ability to obtain and maintain a Top Secret /SCI with Polygraph clearance. + Related experience in either mission ... and strong execution. **What You ll Do:** + Provide systems engineering support to the Systems Engineering...**Preferred Education, Experience, & Skills** + A current, active Top Secret /SCI security clearance with Poly. +… more
    BAE Systems (11/14/25)
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  • Senior Mechanical Engineer - Stress

    Lockheed Martin (Englewood, CO)
    …with mechanical joints *Must be aU\.S\. Citizen with the ability to obtain a Top Secret security clearance **Desired Skills:** * A Master's degree is strongly ... a cutting edge analysis team for missiles and spacecraft systems \! As the Senior Stress Analyst in...modal, shock test experience of aerospace flight hardware *Active Top Secret security clearance **Security Clearance Statement:**… more
    Lockheed Martin (09/25/25)
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  • Senior Program Control Consultant - Public…

    Lumen (Denver, CO)
    …WFH, US **Clearance:** This position may require a US government security clearance (eg, Secret , Top Secret , TS/SCI). Must meet eligibility requirements for ... committed to teamwork, trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (11/14/25)
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  • Senior Linux System Administrator

    GovCIO (Denver, CO)
    …GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will be located in ... will work with other members to mitigate vulnerabilities on Linux-based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other… more
    GovCIO (11/07/25)
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  • Senior Mainframe Developer

    GovCIO (Denver, CO)
    …TS Security Clearance. Preferred Skills and Experience + Active Security Clearance of Top - Secret level or higher + Strong working knowledge using IBM's ... **Overview** GovCIO is currently hiring for Senior Mainframe Developer to perform maintenance, remediation's, and updates to mission critical applications used to… more
    GovCIO (09/17/25)
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  • Senior Principal Software Cloud Architect…

    RTX Corporation (Aurora, CO)
    …with message brokers such as RabbitMQ, ActiveMQ, or Kafka. + Active and transferable Top Secret US government issued security clearance is required prior to ... The team members are multi-disciplined and contribute across all phases of systems engineering, software development, integration and test, and metrics. The team… more
    RTX Corporation (10/29/25)
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