• 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 (12/17/25)
    - 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
  • 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)
    - 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
  • 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)
    - 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
  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …this position requires the selected employee to be aU\.S\. Citizen\. * Final Secret clearance is required to start employment\. Applicants must possess a currently ... active Secret security clearance to be considered qualified\. * Selected...a missile defense program on modeling and simulation or software * 4-6 years of GNC experience on various… more
    Lockheed Martin (11/22/25)
    - 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
  • Mechanical Engineer (Level II)…

    Lockheed Martin (Littleton, CO)
    …find a career that's built for you\. Lockheed Martin Space is seeking a Mechanical Engineer to join our FBM Reentry team in Littleton, CO\! In this role you will: ... vault, and perform varied tasks with direction from a senior lead engineer * Research, plan, design and develop mechanical and/or electro\-mechanical systems for… more
    Lockheed Martin (12/16/25)
    - 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 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)
    - Save Job - Related Jobs - Block Source
  • 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 (12/03/25)
    - 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
  • Systems Integration Engineer II - Active…

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted ... capture effort? We have an exciting opportunity for a **System Readiness Integration Engineer ** . In this role, you will plan and perform integration activities… more
    RTX Corporation (12/05/25)
    - 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
  • Electromagnetic Environmental Effects (E3)…

    Lockheed Martin (Littleton, CO)
    …ensuring security and prosperity\. As an Electromagnetic Engineering Effects \(E3\) Engineer , you will support the System Engineering \(SE\) Special Disciplines ... definition studies to translate customer requirements into hardware and software specifications * Perform and support requirements sell\-off through: compiling,… more
    Lockheed Martin (12/04/25)
    - Save Job - Related Jobs - Block Source
  • Specialist, Network Plan Engineer

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Specialist, Network Plan Engineer Job Code: 31908 Job Location: Boulder/North Denver, CO Job Schedule: 9/80 ... and modeling. Designs, analyzes, plans, and modifies network components and/or software by translating customer requirements and objectives into final product… more
    L3Harris (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling spacecraft systems ... position requires the selected employee to be aU\.S\. Citizen\. * Active Top Secret clearance \(adjudicated or eligibility\) is required for consideration\. * Top … more
    Lockheed Martin (12/04/25)
    - Save Job - Related Jobs - Block Source
  • Staff Project Engineer - Secret

    Lockheed Martin (Littleton, CO)
    …and Development \(IRAD\) efforts\. These systems demand development of advanced software solutions as well as Performs technical planning, system integration, ... techniques and procedures, including consulting with users to determine hardware, software , or system functional specifications\. Analyses are performed at all… more
    Lockheed Martin (12/05/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • SE/SEIT Lead - Top Secret Clearance…

    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 ... and deployment\. This is an exciting opportunity for a seasoned SE or SEIT engineer to lead a team of talented engineers and technicians in the development and… more
    Lockheed Martin (12/10/25)
    - Save Job - Related Jobs - Block Source