• Systems Engineer - Clearance

    Lockheed Martin (Littleton, CO)
    **Description:** **WHAT WE'RE DOING** At Lockheed Martin, we engineer innovative solutions to deliver resilient systems , products, and services across evolving ... and networking equipment \- Demonstrated skills with utilizing, installing and administrating Linux/Unix systems \- Travel will be required to fulfill the duties… more
    Lockheed Martin (11/01/25)
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  • Mission Systems Engineer

    Lockheed Martin (Littleton, CO)
    …is within the Mission Engineering and Operations \(MEO\) organization as a Mission Systems Engineer \. This position is to support spacecraft operations and ... to effectively communicate with peers and customers \- Active Top Secret security clearance with the ability to obtain and maintain a TS/SCI **Desired Skills:** \-… more
    Lockheed Martin (10/29/25)
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  • Senior Systems Safety Engineer

    Lockheed Martin (Littleton, CO)
    …are with Lockheed Martin Space\! As we enter a new era of Strategic Weapon Systems , we are a pioneer, partner, innovator and builder\. Do you have a passion for ... CO has an immediate opening for a System Safety Engineer to help field a new weapon system that...and risk, and supportability and effectiveness analyses for total systems \. Analyses are performed at all levels of total… more
    Lockheed Martin (10/11/25)
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  • Systems Engineer (Secret…

    Lockheed Martin (Littleton, CO)
    …Facility in Littleton CO'\. **Basic Qualifications:** * Current/Active DoD Secret Security Clearance * Experience with testing and problem solving for integrated ... systems * Experience in Systems Engineering life...Experience in creating use cases and test scenarios **Security Clearance Statement:** This position requires a government security … more
    Lockheed Martin (11/13/25)
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  • Senior Systems Engineer , Level 3…

    Lockheed Martin (Littleton, CO)
    …courage to dream big, then we want to build a better tomorrow with you\. As a Systems Engineer , you will be part of the System Engineering team within the MOATS ... of evolutionary capability improvements\. Your responsibilities will include: * Providing Systems Engineering leadership and oversight to the maintenance of the end… more
    Lockheed Martin (11/14/25)
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  • Senior Systems Engineer Staff, Level…

    Lockheed Martin (Aurora, CO)
    …era in space and find a career that's built for you\. This Chief Engineer role is within the Double Eagle organization supporting the Ground Engineering \(GE\) Team ... directly to the GE Manager\. As the GE Chief Engineer , you will: * Guide prioritization and execution of...monitor and maintain awareness of all events, activities, and systems * Provide technical guidance for teams of specialized… more
    Lockheed Martin (11/09/25)
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  • Principal/Senior Principal Systems

    Northrop Grumman (Aurora, CO)
    …making history. **About the Team:** We are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force Base! Our team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,... Clearance and Citizenship Requirements:** A Top-Secret security clearance is required to start on day… more
    Northrop Grumman (08/22/25)
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  • RF Engineer - Antenna Element CPE (Level…

    Lockheed Martin (Littleton, CO)
    …and/or Special Test Equipment \(STE\) \-Certification and training as Certified Principal Engineer \(CPE\), Responsible Systems Engineer \(RSE\), or ... you\. Lockheed Martin Space is seeking a mid\-career RF Engineer to join our team in Littleton, CO\! We...clearance with the ability to obtain a TS/SCI clearance ; US citizenship required **Desired Skills:** \-Degree… more
    Lockheed Martin (10/10/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …desired * Familiarity with RF test software and tools * RF prototyping experience * RF Systems Engineer background in RF PNT, NS, and TT&C systems * ... Lockheed Martin Space is seeking a **Senior Staff RF Engineer ** to join our team in **Littleton, CO** \!...participate in design reviews and provide feedback/input on RF systems and hardware designs * Collaborate with cross\-functional teams… more
    Lockheed Martin (11/09/25)
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  • RF Engineer , Senior (Level III) - Top…

    Lockheed Martin (Littleton, CO)
    …milestones\. Successful applicants will have experience working as a Certified Principle Engineer \(CPE\), Responsible Systems Engineer \(RSE\), or ... - Lockheed Martin Space is seeking a **Senior RF Engineer ** to join our team in **Littleton, CO** \!...* Prior to starting employment, selected candidates will be required to possess Top Secret clearance \. For… more
    Lockheed Martin (10/08/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …Secret clearance is necessary to be considered and is the minimum level of clearance required prior to start\. * Candidates must have the ability to obtain ... II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the...a focus on Nuclear Hardness and Survivability engineering\. Security Clearance / Work Authorization: * To meet requirements of… more
    Lockheed Martin (10/29/25)
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  • Circuit Design Engineer IV, Secret…

    Lockheed Martin (Littleton, CO)
    …as a technical lead or responsible engineer \. * Active **Secret clearance ** thus **US Citizenship** is required \. **Desired Skills:** * Experienced at ... **Description:** Join Our Team as an **Avionics Circuit Design Engineer ** where you will work on the development of a sophisticated state\-of\-the\-art avionics… more
    Lockheed Martin (09/10/25)
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  • Data Scientist/Cost Engineer (TS…

    Lockheed Martin (Littleton, CO)
    …in lie of degree is also considered \- Currently active TS Clearance \- Strong communication/ interpersonal skills \- Critical thinking and problem\-solving ... data collection and normalization or data science or data analytics or systems engineering/architecture or spacecraft engineering fields or finance or anything else… more
    Lockheed Martin (11/07/25)
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  • RF Engineer (Level II) - TS/SCI…

    Lockheed Martin (Littleton, CO)
    …be aU\.S\. Citizen\. * Prior to starting employment, selected candidates will be required to possess TS/SCI clearance \. For this position, applicants must ... - - Lockheed Martin Space is seeking an RF Engineer to join our team in Littleton, CO\! As...will work closely with other RF Engineers, Box and Sub\- systems CPEs, leaders, and Subject Matter Experts to ensure… more
    Lockheed Martin (10/10/25)
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  • Mechanical Engineer (TS/SCI with Polygraph…

    Fluor (Aurora, CO)
    …* Must have an Active (or ability to obtain & maintain) TS/SCI with Poly Clearance Required * Must demonstrate basic computer knowledge (Ie, ability to use ... have an active (or ability to obtain/maintain) a TS/SCI with polygraph clearance Provides facilities mechanical engineering analysis and oversight in support of… more
    Fluor (10/16/25)
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  • Project Engineer III, Missile Electronics,…

    Lockheed Martin (Englewood, CO)
    …* 5\+ years professional experience; 3\+ years with Masters degree\. * Current **Secret clearance ** , thus **US Citizenship** is required \. - - - **Why Lockheed ... **Description:** Join Our Team as a **Project Engineer ** where you will work on the development...a US Citizen with an active US DoD **SECRET clearance ** , to support this government contract\. **Desired Skills:**… more
    Lockheed Martin (10/31/25)
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  • RF Engineer , Senior (Level III) - Secret…

    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 ... Experts to participate in design reviews and provide feedback/input on RF systems and hardware designs * Collaborate with cross\-functional teams to ensure… more
    Lockheed Martin (10/22/25)
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  • Electro-Optical Engineer Staff (Level IV)…

    Lockheed Martin (Louisville, CO)
    …experiments or similar * Informal or formal leadership/lead experience * Top Secret clearance required prior to start; US citizenship required **Desired ... you\. Lockheed Martin Space is seeking a Staff Electro\-Optical Engineer to join our team in Louisville, CO\. In...of Electronic and Special Test Equipment \(STE\) for laser systems * Developing and refining design standards and processes… more
    Lockheed Martin (11/09/25)
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  • RF Engineer , Staff (Level IV) - Top Secret…

    Lockheed Martin (Littleton, CO)
    systems on world class RF Payloads\. **What You'll Do:** As a experienced RF Systems Engineer , you will lead the model based systems engineering \(MBSE\) ... and derivation of requirements and tools * Experience with Model Based Systems Engineering \(MBSE\) processes, principles, and tools * Experience in model\-based… more
    Lockheed Martin (08/30/25)
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  • Electronics Engineer IV, Avionics CCA…

    Lockheed Martin (Littleton, CO)
    …design, with a focus on CCA design and development\. * Active Secret clearance thus US Citizenship is required \. **Desired Skills:** * Formal schematic ... **Description:** Join Our Team as an **Avionics CCA Design Engineer ** where you will work on the development of...in the development and integration of world class avionics systems \. * Resolve test anomalies and troubleshooting, and generation,… more
    Lockheed Martin (10/02/25)
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