• Spacecraft Mechanical Engineer

    General Atomics (Englewood, CO)
    …with satellite technology development. We are looking for an experienced Spacecraft Mechanical Engineer with prior experience in dealing with military and ... lessons learned into design. + Able to balance several mechanical design projects while tracking design/release schedule and cost...helpful + Ability to obtain and maintain a DoD TS - SCI security clearance is required, an active… more
    General Atomics (10/17/25)
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  • Mechanical Engineer ( TS

    Fluor (Aurora, CO)
    …Description** Must have an active (or ability to obtain/maintain) a TS / SCI with polygraph clearance Provides facilities mechanical engineering analysis and ... decommissions and modifications. Be responsible for regular analysis of mechanical systems to include cooling balancing and air quality...have an Active (or ability to obtain & maintain) TS / SCI with Poly Clearance Required * Must… more
    Fluor (10/16/25)
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  • Cleared Data Center Mechanical Field…

    Amazon (Denver, CO)
    …the candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities Amazon's vision is to ... 2025 We have an immediate opening for a Field Engineer in the Denver, CO region. As an Amazon...a better-rounded professional. Basic Qualifications - Bachelor's Degree in Mechanical Engineering or equivalent experience. - 3+ cumulative years… more
    Amazon (09/30/25)
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  • RF Engineer , Staff (Level IV) - Top

    Lockheed Martin (Littleton, CO)
    …will be required to possess Active Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) prior to starting employment\. **Desired Skills:** * ... Qualified applicants must possess at minimum a currently Active Top Secret security clearance to be considered\....must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (08/30/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …Physics, or a closely related discipline * 5\+ years of work experience * Current Top Secret or TS / SCI security clearance **Security Clearance ... prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \!...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information more
    Lockheed Martin (11/20/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... interested in joining LM and working as a Systems Engineer , please apply to this requisition\. - - -...mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\.… more
    Lockheed Martin (11/02/25)
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  • Subsystem Responsible Systems Engineer

    Lockheed Martin (Littleton, CO)
    …experience with root‑cause analysis \(5‑Why, FMEA, etc\.\)\. \-Clearance required to start \- Top Secret / SCI with Polygraph **Desired Skills:** \-Agile ... and find a career that's built for you\. The Engineer will be responsible for a broad spectrum of...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (11/02/25)
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  • Systems Engineer Intern

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... corporate responsibility\. Lockheed Martin Space in is seeking Systems Engineer Summer 2026 Intern to join the Global Security...experience * CAMEO utilization experience * Active or Current Top Secret security clearance * Experience working… more
    Lockheed Martin (11/20/25)
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  • Sr. Principal Quality Engineer - Level 4

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Grumman's Space Sector is seeking a **Sr. Principal Quality Engineer - Level 4** to join our team in...professional experience. + Requires an active US Government DoD Top - Secret security clearance at time of application,… more
    Northrop Grumman (11/05/25)
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  • Regional Safety Engineer , Data Center…

    Amazon (Aurora, CO)
    …candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance. Key job responsibilities Daily interactions with our customers ... largest cloud computing infrastructure team as a Regional Safety Engineer . As a Regional Safety Engineer , you...- United States citizen with ability to obtain a TS / SCI security clearance. Preferred Qualifications - … more
    Amazon (09/25/25)
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  • Thermal Subsystems Product Development Lead

    Lockheed Martin (Highlands Ranch, CO)
    …technical and programmatic issues to peers, senior management and customers \- Current US TOP SECRET or TS / SCI clearance **Security Clearance ... \- Bachelor's in a technical area, such as physics, mechanical or aerospace engineering \- Thermal, structural or similar...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/15/25)
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  • Facility Operations Center Engineer , ADC…

    Amazon (Denver, CO)
    …requires that the candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires that, ... start, the selected candidate obtain and maintain an active TS / SCI security clearance with polygraph or commensurate...platform on a 24x7x365 basis. We support Data Center Engineer Operations teams who are responsible for the operation… more
    Amazon (10/23/25)
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  • HW/SW Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Electrical, Mechanical , Propulsion, RF, Software, etc\.\) * Eligible for TS / SCI security clearance **Desired Skills:** * Ability to absorb extensive ... and prosperity\. Lockheed Martin seeks an innovative and talented engineer to join the Global Security team in Denver,...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/12/25)
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  • Space Vehicle IPT Lead Engineer

    General Atomics (Englewood, CO)
    …computer aided design software. + Familiarity with agile design processes. + A current Top - Secret / SCI DoD Clearance is required. **Salary:** $116,480 - ... an exciting opportunity for a Space Vehicle IPT Lead Engineer working on satellite systems to join our team...existing business opportunities. + Maintains the strict confidentiality of sensitive information . We recognize and appreciate the… more
    General Atomics (10/22/25)
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  • Systems Engineer Intern

    Northrop Grumman (Aurora, CO)
    …integration, etc.) + Proficiency in Microsoft Office tools (Word, Excel, PowerPoint, Visio) + Top Secret / SCI Clearance required to start **Preferred ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: No **Description** At Northrop Grumman, our employees have incredible… more
    Northrop Grumman (11/20/25)
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  • Principal System Safety Engineer

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At **Raytheon** , the foundation of everything we ... exciting opportunity for a highly motivated **Principal System Safety Engineer ** to join us on the Air and Space...or equivalent Safety Engineering. + Active US government issued TS / SCI security clearance is required. US citizenship… more
    RTX Corporation (10/31/25)
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  • Staff Engineer Electromechanical

    Northrop Grumman (Aurora, CO)
    …Principal Electromechanical Engineer :** + Bachelor of Science (BS) degree in Mechanical /Aerospace Engineering or closely related STEM field with a minimum of 12 ... you to join our team as a Staff Electromechanical Engineer based out of Aurora, CO. As a Staff...STEM. 9 years with a PhD + **CLEARANCE:** Active TS / SCI required at the time of application… more
    Northrop Grumman (08/27/25)
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  • Principal/Sr. Principal RF Microwave Design…

    Northrop Grumman (Aurora, CO)
    …in Electrical Engineering or Physics with 4 years of relevant experience + Active TS / SCI Clearance at the time of application. + Aerospace industry experience, ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description**...has an opening for a **_Principal RF Microwave Design Engineer / Sr. Principal RF Microwave Design Engineer_** to… more
    Northrop Grumman (11/20/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …of relevant experience with a completed PhD-STEM + **Must have an Active/Final TS / SCI DoD security clearance at the time of application, with ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (09/20/25)
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  • Systems Engineer - Onsite

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is ... world. We have an exciting opportunity for a **Systems Engineer ** supporting one of our premier programs in the...Have** + Typically requires a Bachelor's Degree in Systems, Mechanical , Aerospace, or Electrical Engineering, or a related field… more
    RTX Corporation (09/11/25)
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