• Software Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Software Engineer ( Secret ) (4611)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... seeking ** Software Engineers (Junior/Mid/Senior/SME)** supporting the design and implementation of...and with customer or vendor teams + Define and engineer solution capabilities that satisfy customer business drivers /… more
    SMX (10/16/25)
    - Save Job - Related Jobs - Block Source
  • Software Engineer (Top Secret

    KBR (Colorado Springs, CO)
    Title: Software Engineer (Top Secret Security Clearance Required) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... our national security. KBR, is seeking a highly motivated Software Engineer to join us in supporting...Required Qualifications + Security Clearance: Active US Government Top Secret / SCI security clearance (US citizenship required) +… more
    KBR (01/09/26)
    - Save Job - Related Jobs - Block Source
  • Senior Software Engineer (Boulder,…

    SMX (Boulder, CO)
    Senior Software Engineer (4930) (Boulder, CO) ( Secret )at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Outside Analytics has recently ... needs. We have an immediate opportunity for a **Senior Software Engineer ** who is excited to apply...is onsite in Boulder, CO 5 days per week. Secret level clearance is required.** **Essential Duties & Responsibilities**… more
    SMX (01/06/26)
    - Save Job - Related Jobs - Block Source
  • 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 (01/06/26)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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 generation ... needs. We are looking for an **Integration and Test Engineer ** who is excited to apply their talents to...level clearance is required with ability to obtain Top Secret .** **Essential Duties & Responsibilities** + Support software more
    SMX (01/06/26)
    - Save Job - Related Jobs - Block Source
  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …Role** : We are seeking an experienced Guidance, Navigation, and Control \(GNC\) Engineer , Sr\. Staff \(Level V\) who will specialize in Modeling and Simulation ... synthetic environments to stimulate simulated hardware * Collaborating with subsystem and software engineers to integrate MATLAB models, C\+\+ models, and tactical … more
    Lockheed Martin (11/22/25)
    - Save Job - Related Jobs - Block Source
  • Test Engineer (Broomfield, CO)…

    SMX (Broomfield, CO)
    Test Engineer (4929) (Broomfield, CO) ( Secret )at SMX(View all jobs) (https://www.smxtech.com/careers/) Broomfield, CO Outside Analytics has recently become a ... our 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 (01/06/26)
    - Save Job - Related Jobs - Block Source
  • 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 (12/06/25)
    - Save Job - Related Jobs - Block Source
  • Azure DevSecOps Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Azure DevSecOps Engineer ( Secret ) (4594)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX ... is seeking an **Azure DevSecOps Engineer ** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in… more
    SMX (10/16/25)
    - Save Job - Related Jobs - Block Source
  • 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 (12/10/25)
    - Save Job - Related Jobs - Block Source
  • 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 and certification of the Processor and Control ... IDDs \(Interface Design Descriptions\) to ensure proper communication between hardware/ software elements\. * Have strong understanding of system\-level requirements… more
    Lockheed Martin (01/08/26)
    - Save Job - Related Jobs - Block Source
  • Project Engineer III ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …enhancing leading\-edge missile defense technologies\. **The Work** The project engineer will plan, execute, and coordinate complex, multi‑disciplinary engineering ... supports the design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\) to function… more
    Lockheed Martin (11/26/25)
    - Save Job - Related Jobs - Block Source
  • 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 (12/10/25)
    - Save Job - Related Jobs - Block Source
  • Cloud Systems Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Cloud Systems Engineer ( Secret ) (4496)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... investigation and solution of complex and advanced cloud requirements, hardware/ software interfaces, and applications, and solutions. **Essential Duties &… more
    SMX (10/16/25)
    - Save Job - Related Jobs - Block Source
  • Project Engineer IV ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …and enhancing leading\-edge missile defense technologies\. **The Work** The Project Engineer IV partners with the Networks and Enterprise Services \(NES\) Agile ... supports the design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\) to function… more
    Lockheed Martin (11/26/25)
    - Save Job - Related Jobs - Block Source
  • Project Engineer - Secret Clearance

    Lockheed Martin (Colorado Springs, CO)
    …Security, and enhancing critical missile defense technologies\. **The Work** The Project Engineer will have the responsibility to work with SE&V Leadership to ... supports the design, development, testing, integration, and fielding of hardware and software elements essential for the effective operation of the Missile Defense… more
    Lockheed Martin (01/10/26)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • RF Engineer - Antenna (Level III) - Top…

    Lockheed Martin (Littleton, CO)
    …find a career that's built for you\. Lockheed Martin Space is seeking a Senior RF Engineer to join our team in Littleton, CO\! We are looking for an experienced RF ... Engineer who holds Certified Principal Engineer \(CPE\)...RF communications systems link budget analysis\. * Active Top Secret clearance; must be able to obtain and maintain… more
    Lockheed Martin (12/20/25)
    - Save Job - Related Jobs - Block Source
  • Guidance, Navigation, & Control Engineer

    Lockheed Martin (Littleton, CO)
    …missions are executed\. We design and develop the hardware, algorithms, and software that enable precision control of complex systems in demanding, zero\-gravity ... testing activities\. * Develop and validate GN&C algorithms and flight software \. * Utilize simulation and programming tools \(e\.g\., MATLAB/Simulink, C\+\+,… more
    Lockheed Martin (12/13/25)
    - Save Job - Related Jobs - Block Source