• SECRET Software Engineer

    Actalent (Aurora, CO)
    Job Title: Software Engineer Can sit at any...degree in Computer Science or related field. + Active Secret Clearance + At least 5 years of experience ... CO + King of Prussia, PA We are seeking a talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop,… more
    Actalent (11/21/25)
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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 Remote ... customers' most pressing needs. We have an immediate opportunity for a **Test Engineer ** who is excited to apply their automated testing talents to our customer's… more
    SMX (10/30/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …security and prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \! We are searching ... for an engineer or scientist with expertise in fields that support...informally or formally leading a technical team\. * Active Secret security clearance; must be able to obtain a… more
    Lockheed Martin (11/20/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …Learn more about Trident II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the Specialty Engineering team in one ... this position requires the selected employee to be aU\.S\. Citizen\. * Active Secret clearance is necessary to be considered and is the minimum level of… more
    Lockheed Martin (10/29/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …career that's built for you\. Lockheed Martin Space is seeking a **Senior Staff RF Engineer ** to join our team in **Littleton, CO** \! Come join the Lockheed Martin ... Missile Defense, and more\. As a Senior Staff RF Engineer within Lockheed Martin Space, you will perform the...Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates… more
    Lockheed Martin (11/09/25)
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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …Flight and Interplanetary Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the following: * Support ... Citizen\. * Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates will be required… more
    Lockheed Martin (10/22/25)
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  • Electronics Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    **Description:** Join our team as an **Electronics Engineer ** where you will be a part of a multifunctional team, consisting of software , hardware, RF, and ... require\. * This role requires interfacing with a multifunctional team, consisting of software , hardware, RF, and systems integration and test Engineers\. - - - **To… more
    Lockheed Martin (10/25/25)
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  • Principal/Senior Principal Systems Engineer

    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 employees ... are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force...hours per week. **Security Clearance and Citizenship Requirements:** A Top- Secret security clearance is required to start on day… more
    Northrop Grumman (11/21/25)
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  • Secret Algorithms Engineer

    Insight Global (Boulder, CO)
    Job Description A company in the Boulder, CO area is looking for Software /Algorithms Engineers to join their team in support of classified programs. The ... SW/Algorithms Engineers are a combination of aerospace and software engineers responsible for missile tracking/prediction and software development. Day to day… more
    Insight Global (11/08/25)
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  • Electrical Systems Integration Engineer V,…

    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 ... signal\-level integration\. * Validation of requirements or system decomposition across hardware/ software boundaries \- inter\-box implementation\. * An active DoD … more
    Lockheed Martin (09/30/25)
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  • Senior Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …of national security. Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 31061 Job Location: Boulder/North Denver, CO Job Schedule: ... processing in eMASS and Xacta. + Experience in DoD software selection and approval processes for COTS, GOTS and...years of prior related experience. + Must have active Secret security clearance, TS/SCI preferred. + DoD 8140.03 IAT… more
    L3Harris (11/12/25)
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  • RF Engineer , Staff (Level IV) - Top…

    Lockheed Martin (Littleton, CO)
    …on world class RF Payloads\. **What You'll Do:** As a experienced RF Systems Engineer , you will lead the model based systems engineering \(MBSE\) efforts across the ... disciplines outside of Systems Engineering \(e\.g\., Electrical, Mechanical, Propulsion, RF, Software , etc\.\) Security Clearance / Work Authorization: * To meet… more
    Lockheed Martin (08/30/25)
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  • Systems Engineer ( Secret Clearance…

    Lockheed Martin (Littleton, CO)
    …As a "Family of Programs" we deliver a wide range of hardware and software solutions that provide mission\-critical capabilities to our customers\. Our software ... Deer Creek Facility in Littleton CO'\. **Basic Qualifications:** * Current/Active DoD Secret Security Clearance * Experience with testing and problem solving for… more
    Lockheed Martin (11/13/25)
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  • Associate Manager - Software Engineering…

    Lockheed Martin (Littleton, CO)
    …"Family of Programs," we offer a wide range of innovative hardware and software products that provide mission\-critical capabilities, focusing on key areas such as ... looking for an exceptional leader to serve as our Software Lead and Software Manager, a critical...efforts\. This is a rare opportunity for a seasoned engineer to lead a team of engineers through strategic… more
    Lockheed Martin (11/06/25)
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  • Algorithms Software Engineer - Level…

    Northrop Grumman (Boulder, CO)
    …Northrop Grumman Space Systems has an exciting career opportunity for an experienced Algorithms Software Engineer - Level 3 or 4 with Linux environment and ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...**Position Overview:** As a Principal / Senior Principal Algorithms Software Engineer on the BOA/ESL Team, you… more
    Northrop Grumman (09/30/25)
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  • Algorithms Software Engineer - Level…

    Northrop Grumman (Boulder, CO)
    …part of history, they're making history. Northrop Grumman Space Systems is seeking an Algorithms Software Engineer - Level 2 or 3 with Linux environment and ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...25 miles from downtown Denver. **Position Overview:** As a Software Engineer , you will be responsible for… more
    Northrop Grumman (09/04/25)
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  • (DoD SkillBridge) Software Engineer

    Northrop Grumman (Aurora, CO)
    …part of our mission. **What You'll get to Do:** We are looking for a Software Engineer experienced in Python (as your primary and most skilled in ... time to broaden skills, experiences, and mission exposure. **About our organization:** As a Software Engineer , you'll be joining our growing Aurora Software more
    Northrop Grumman (09/12/25)
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  • Principal/Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... of our mission. Northrop Grumman Space Systems (NGSP) is seeking a **Principal Systems Engineer or a Sr. Principal Systems Engineer ** to support a program out… more
    Northrop Grumman (11/20/25)
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  • Staff Engineer Software (Active…

    Northrop Grumman (Aurora, CO)
    …be a part of our mission! Northrop Grumman Space Systems is seeking a Staff Software Engineer to join our team supporting the Integrated National Systems (INS) ... ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At...You'll get to Do:** We are looking for a Software Engineer experienced in Java (as your… more
    Northrop Grumman (11/11/25)
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  • Software Engineer Level 2 or 3

    Northrop Grumman (Aurora, CO)
    …to the warfighter. Come be a part of our mission! We are looking for an experienced software engineer (level 2) or a principal software engineer (level ... ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At...Front End GUI design and implementation would be preferred. Software Engineer will be on an Agile… more
    Northrop Grumman (08/31/25)
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