• Senior Software Engineer (Top Secret…

    KBR (Colorado Springs, CO)
    Title: Senior Software Engineer (Top Secret Security Clearance Required) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team ... national capabilities. KBR is seeking a highly motivated Senior Software Engineer to join us in supporting...Requirements: Minimal + Working Hours: Flexible Required Qualifications: + Security Clearance : Must have an active US… more
    KBR (11/07/25)
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  • Software Engineer ( Security

    Parsons Corporation (Colorado Springs, CO)
    …in technical leadership roles + In-depth knowledge and experience in the full software development lifecycle ** Security Clearance Requirement:** An active ... what's possible. **Job Description:** Parsons is seeking a talented ** Software Engineer / Software Developer**...ability to obtain and maintain a Top Secret/SCI (TS/SCI) security clearance + Bachelors Degree in Computer… more
    Parsons Corporation (11/18/25)
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  • X-LAB Software Engineer - Secret…

    Lockheed Martin (Schriever AFB, CO)
    …technologies\. **The Work** We are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to develop and test innovative ... of X\-Lab projects and experiments\. **Please Note:** * This position requires a government security clearance at the Secret level; you must be a US Citizen… more
    Lockheed Martin (11/14/25)
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  • Software Integration and Test…

    Lockheed Martin (Colorado Springs, CO)
    …and data management activities Please Note: \- This position requires a government security clearance ; you must be aU\.S\. Citizen for consideration\. **Who We ... \- Qualified candidate must be able to obtain a DoD Interim Secret Security Clearance prior to starting this position\. This requires US Citizenship\.… more
    Lockheed Martin (11/09/25)
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  • Network Security Engineer III…

    Lockheed Martin (Colorado Springs, CO)
    …and enhancing leading\-edge missile defense technologies\. **The Work** The Network Security Engineer will be responsible for planning, deploying, integrating, ... **Who You Are** You are a highly skilled network security engineer with a strong background in...CEH\) * Must be familiar with NIST CVE framework ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (09/05/25)
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  • Systems Engineer - Interim Clearance

    Lockheed Martin (Littleton, CO)
    …and customer expectations\. **Basic Qualifications:** \- Ability to obtain a DoD Secret Security Clearance and the ability to obtain a TS/SCI clearance ... a team environment and have strong coordination, organization, and communication skills ** Security Clearance Statement:** This position requires a government … more
    Lockheed Martin (11/01/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …Space Radiation environments, with a focus on Nuclear Hardness and Survivability engineering\. Security Clearance / Work Authorization: * To meet requirements of ... II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the...the ability to obtain \(and maintain\), a Top Secret security clearance for long\-term employment on this… more
    Lockheed Martin (10/29/25)
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  • Global SE - Interface Engineer (Secret…

    Lockheed Martin (Colorado Springs, CO)
    …are completed when required\. Please Note: \-This position requires a government security clearance ; you must be aU\.S\. Citizen for consideration\. \-The ... , and experience with Agile or Iterative Development Methods are a plus\. ** Security Clearance Statement:** This position requires a government security more
    Lockheed Martin (11/07/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …applications\. * Experience informally or formally leading a technical team\. * Active Secret security clearance ; must be able to obtain a Top Secret security ... prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \!...of work experience * Current Top Secret or TS/SCI security clearance ** Security Clearance more
    Lockheed Martin (11/20/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …SystemVue, or equivalent\) and/or Full\-Wave simulation experience \(CST, HFSS, or equivalent\) Security Clearance / Work Authorization: * To meet requirements ... Lockheed Martin Space is seeking a **Senior Staff RF Engineer ** to join our team in **Littleton, CO** \!...applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected… more
    Lockheed Martin (11/09/25)
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  • Virtualization Systems Engineer (SECRET…

    Lockheed Martin (Colorado Springs, CO)
    … practices such as STIG compliance and system accreditation implementation efforts ** Security Clearance Statement:** This position requires a government ... the Agile Framework or experience applying Agile fundamentals in engineer \-focused work * Understanding of standard DOD security...security clearance , you must be a US Citizen for consideration\.… more
    Lockheed Martin (09/05/25)
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  • Senior Systems Engineer Staff, Level 5…

    Lockheed Martin (Aurora, CO)
    …* Ability to work effectively in a fast\-paced and rapidly changing environment ** Security Clearance Statement:** This position requires a government security ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...find a career that's built for you\. This Chief Engineer role is within the Double Eagle organization supporting… more
    Lockheed Martin (11/09/25)
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  • Network DevOps Engineer III (Secret…

    Lockheed Martin (Colorado Springs, CO)
    …PowerPoint and Visio\) * Detail\-oriented with the ability to follow processes ** Security Clearance Statement:** This position requires a government security ... integration, algorithm development, user interface development, automated testing, cyber security , enterprise/infrastructure services, and enhancing leading\-edge missile defense technologies\.… more
    Lockheed Martin (09/05/25)
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  • Global Systems Engineer - Secret…

    Lockheed Martin (Colorado Springs, CO)
    …with Agile Methods, and Capability and Feature definition is a significant plus ** Security Clearance Statement:** This position requires a government security ... Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security , and enhancing critical missile defense technologies\. **The Work**… more
    Lockheed Martin (09/26/25)
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  • RF Engineer , Senior (Level III) - Secret…

    Lockheed Martin (Littleton, CO)
    …simulation experience \(CST, HFSS, or equivalent\) * RF test and troubleshooting experience Security Clearance / Work Authorization: * To meet requirements of ... Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the...applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected… more
    Lockheed Martin (10/22/25)
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  • Senior Systems Safety Engineer

    Lockheed Martin (Littleton, CO)
    …with Software Engineering processes and agile SW development methods\. ** Security Clearance Statement:** This position requires a government security ... CO has an immediate opening for a System Safety Engineer to help field a new weapon system that...to start with the ability to acquire a Secret security clearance \. **Desired Skills:** * Experience in… more
    Lockheed Martin (10/11/25)
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  • Senior RF Engineer - Antenna (Level IV)…

    Lockheed Martin (Littleton, CO)
    …suppliers, management, and peers * Excellent problem solving and Troubleshooting skills ** Security Clearance Statement:** This position requires a government ... you\. Lockheed Martin Space is seeking a Senior RF Engineer to join our team in Littleton, CO\! We...security clearance , you must be a US Citizen for consideration\.… more
    Lockheed Martin (11/05/25)
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  • Principal/Senior Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …and Colorado Springs, CO. This is an on-site role within a SCIF requiring TS security clearance and CI Poly. Relocation is **not** available for this position. ... are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force...expectation for this position is 40 hours per week. ** Security Clearance and Citizenship Requirements:** A Top-Secret… more
    Northrop Grumman (11/21/25)
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  • RF Engineer , Staff (Level IV) - Top Secret…

    Lockheed Martin (Littleton, CO)
    …or disciplines outside of Systems Engineering \(e\.g\., Electrical, Mechanical, Propulsion, RF, Software , etc\.\) Security Clearance / Work Authorization: * ... Payloads\. **What You'll Do:** As a experienced RF Systems Engineer , you will lead the model based systems engineering...must possess at minimum a currently Active Top Secret security clearance to be considered\. * Selected… more
    Lockheed Martin (08/30/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …and/or Fortran * Weapon system Modeling & Simulation design and analysis experience Security Clearance / Work Authorization: * To meet requirements of the ... start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. *...a missile defense program on modeling and simulation or software * 4-6 years of GNC experience on various… more
    Lockheed Martin (11/22/25)
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