• Integration and Test Engineer

    SMX (Boulder, CO)
    Integration and Test Engineer ( Secret to TS) (4833)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next ... customers' most pressing needs. We are looking for an ** Integration and Test Engineer ** who...Secret .** **Essential Duties & Responsibilities** + Support software integration and testing at the government TAP Lab facility… more
    SMX (11/26/25)
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  • Test Engineer ( Secret )

    SMX (Boulder, CO)
    Test Engineer ( Secret ) (4777)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next generation of Space Force ... pressing needs. We have an immediate opportunity for a ** Test Engineer ** who is excited to apply...integration objectives are met and meet program milestone test event objectives which support mission readiness + Advance… more
    SMX (10/30/25)
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  • Electrical Systems Integration

    Lockheed Martin (Littleton, CO)
    **Description:** Please join us as a **Electrical Systems Integration Engineer ** , where you will lead the development on a major program\. This position will be ... or validating full system functionality\. * Experience working with schematics, test equipment, or signal\-level integration \. * Validation of requirements… more
    Lockheed Martin (09/30/25)
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  • Systems Integration and Test

    Lockheed Martin (Littleton, CO)
    …II D5 Fleet Ballistic Missile\. Lockheed Martin is looking for a highly motivated Systems Integration and Test Engineer to become a member of the Systems ... a unique and awesome opportunity to be the System Integration and Test Engineer responsible...and problem solving for integrated systems * Active Top Secret clearance, thus US Citizenship is required **Desired Skills:**… more
    Lockheed Martin (11/20/25)
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  • Electronics Engineer V, CCA Design, Top…

    Lockheed Martin (Littleton, CO)
    …In this role you will be a key stakeholder in CCA hardware design, test , integration , and documentation through the entire development life cycle\. Additionally, ... **Description:** Please join us as a **Avionics Design Engineer ** , where you will join Space Protection...in full life cycle development of hardware including design, integration , and test \. * Demonstrated strong problem… more
    Lockheed Martin (10/10/25)
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  • Missile Systems Integration & Test

    Sierra Nevada Company, LLC (Lone Tree, CO)
    Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, ... and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration , test , certification, ground/flight training and complete… more
    Sierra Nevada Company, LLC (11/10/25)
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  • Flight Test Integration - Systems…

    Lockheed Martin (Littleton, CO)
    …member of the Systems Engineering and Integration Team \(SEIT\)\. As a Flight Test Integration Engineer , you will: * Integrate the system architecture ... about the Trident II D5 Fleet Ballistic Missile\. Lockheed Martin is looking for a highly motivated Flight Test Systems Integration Engineer to become a… more
    Lockheed Martin (11/20/25)
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  • Electronics Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    …part of a multifunctional team, consisting of software, hardware, RF, and systems integration and test engineers\. Location: **This position does not support ... multifunctional team, consisting of software, hardware, RF, and systems integration and test Engineers\. - - -...for development, test , and maintenance of integrated test systems, and experience as Subject Matter Engineer more
    Lockheed Martin (10/25/25)
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  • Electro-Optical Engineer Staff (Level IV)…

    Lockheed Martin (Louisville, CO)
    …Technical experience in full life cycle development of hardware including design, integration , and test **Security Clearance Statement:** This position requires ... you\. Lockheed Martin Space is seeking a Staff Electro\-Optical Engineer to join our team in Louisville, CO\. In...parts of the bill of materials \(BOM\) * Performing test checkout of 19" rack chassis and assemblies *… more
    Lockheed Martin (11/09/25)
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  • Entry Level Satellite Integration

    Lockheed Martin (Littleton, CO)
    …candidate to join the Assembly, Integration , and Test team as a Satellite Integration & Test Engineer in Littleton, CO\! In this role you will ... as needed in a 24/7 operations environment * Active Secret clearance required prior to start\. Must be able...equivalent experience/combined education * Aerospace or defense systems hardware/software integration experience * Test Engineer more
    Lockheed Martin (11/07/25)
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  • RF Engineer , Staff (Level IV) - Top…

    Lockheed Martin (Littleton, CO)
    …\(MBSE\) and related tools like DOORS or Jira\. * Design, develop, and test RF systems, including antennas, transceivers, and signal processing algorithms\. * Tackle ... Successful applicants will have experience working as a Certified Principle Engineer \(CPE\), Responsible Systems Engineer \(RSE\), or equivalent\. **Basic… more
    Lockheed Martin (11/26/25)
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  • Project Engineer III, Missile Electronics,…

    Lockheed Martin (Englewood, CO)
    **Description:** Join Our Team as a **Project Engineer ** where you will work on the development of a sophisticated state\-of\-the\-art avionics product in a world ... this role look like?** Join us as a **Project Engineer ** for the FBM Tactical team where you will...and work plans * Coordinate the planning, organizing, control, Integration and completion of Engineering projects within area of… more
    Lockheed Martin (10/31/25)
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  • Electronics Engineer IV, Avionics CCA…

    Lockheed Martin (Littleton, CO)
    …and integration of world class avionics systems\. * Resolve test anomalies and troubleshooting, and generation, review and presentation of Product Certification, ... **Description:** Join Our Team as an **Avionics CCA Design Engineer ** where you will work on the development of...years professional experience\. * Must have an active DoD ** Secret clearance** , thus you are a **US Citizen**… more
    Lockheed Martin (10/02/25)
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  • RF Engineer , Senior Staff (Level V) - Top…

    Lockheed Martin (Littleton, CO)
    …ensuring security and prosperity\. Lockheed Martin Space is seeking a Senior Staff RF Engineer \(level 5\) to join our team in Littleton, CO\! By joining the ... Successful applicants will have experience working as a Certified Principle Engineer \(CPE\), Responsible Systems Engineer \(RSE\), or equivalent\. **\*\*\*This… more
    Lockheed Martin (11/19/25)
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  • Circuit Design Engineer IV, Secret

    Lockheed Martin (Littleton, CO)
    …and integration of world class avionics systems\. * Resolve test anomalies and troubleshooting, and generation, review and presentation of Product Certification, ... CCA design and development\. * Experience as a technical lead or responsible engineer \. * Active ** Secret clearance** thus **US Citizenship** is required\.… more
    Lockheed Martin (09/10/25)
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  • Staff (Level 5) Systems Engineer

    Northrop Grumman (Aurora, CO)
    …of history, they're making history. We are seeking a highly skilled and motivated **Systems Integration and Test Engineer ** to join our dynamic team in ... the other services. The successful candidate will support system integration efforts, develop test plans and procedures,...processes and scrum. + Must have an **active Top Secret /SCI clearance with current Full-Scope Polygraph at time of… more
    Northrop Grumman (11/07/25)
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  • RF Engineer , Staff (Level IV) - Top…

    Lockheed Martin (Littleton, CO)
    …and standards including trade studies, system modeling, requirements development, system integration and test , modeling and/or simulation development, etc\. * ... Payloads\. **What You'll Do:** As a experienced RF Systems Engineer , you will lead the model based systems engineering...applicants must possess at minimum a currently Active Top Secret security clearance to be considered\. * Selected candidates… more
    Lockheed Martin (08/30/25)
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  • Specialist, Info Security Systems Engineer

    L3Harris (Broomfield, CO)
    …the interest of national security. Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO Job Schedule: ... practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Works closely… more
    L3Harris (11/12/25)
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  • SECRET Software Engineer

    Actalent (Aurora, CO)
    Job Title: Software Engineer Can sit at any location - mostly remote + Colorado Springs, CO + Littleton, CO + King of Prussia, PA We are seeking a talented and ... motivated Software Engineer to join our dynamic team. As a key...provide feedback during the development process. + Modify and test changes to previously developed programs. Essential Skills +… more
    Actalent (11/21/25)
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  • Systems Engineer (Level 3), RF Systems…

    Lockheed Martin (Littleton, CO)
    …\- Hands\-on experience in RF or electrical systems engineering, including test planning, execution, and hardware integration \. \- Strong understanding ... **Business Unit:** SPACE **Relocation Available:** Possible **Career Area:** Systems Engineering: Assembly/ Integration and Test **Type:** Full\-Time **Shift:**… more
    Lockheed Martin (11/01/25)
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