• Junior Software Engineer

    Parsons Corporation (Denver, CO)
    …**Job Description:** Blue Ridge Envisioneering is seeking qualified candidates to fill a ** Software Engineer ** position at our Denver, CO location. Blue Ridge ... Envisioneering, a Parsons Company, is currently searching for full-time **Jr.** ** Software Engineer ** that participate in the design, development, and… more
    Parsons Corporation (09/24/25)
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  • SE/SEIT Lead - Top Secret Clearance…

    Lockheed Martin (Littleton, CO)
    …future of our systems engineering efforts\! **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * Strong Systems ... we offer a wide range of innovative hardware and software products that provide mission\-critical capabilities, focusing on key...an exciting opportunity for a seasoned SE or SEIT engineer to lead a team of talented engineers and… more
    Lockheed Martin (09/24/25)
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  • Manager, Info Security Systems Engineer

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer TS /SCI - Boulder, CO Job Code: 31261 Job Location: Boulder/North ... leadership to address program needs. + Mentor and develop junior engineers. + Provide DoD software selection...years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph… more
    L3Harris (11/15/25)
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  • Digital Signal Processing Engineer

    Parsons Corporation (Denver, CO)
    …active TS /SCI w/polygraph is preferred **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ This ... Corporation, is seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA. We are currently… more
    Parsons Corporation (11/18/25)
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  • Lead Software Engineer Level 4

    Northrop Grumman (Aurora, CO)
    …US Citizenship is required._ **Basic Qualifications:** + Requires an **active** DoD Top - Secret ( TS ) clearance with Sensitive Compartmented Information (SCI) ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...with productizing software solutions + Experience leading junior software developers + Experience with satellite… more
    Northrop Grumman (10/24/25)
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  • Cyber Software Test Engineer

    Lockheed Martin (Denver, CO)
    …**MUST BE AU\.S\. CITIZEN** - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 **Basic ... **Description:** You will be the **Cyber Test Exploitation Engineer ** for the research and development team, responsible for designing, executing, and automating… more
    Lockheed Martin (10/10/25)
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  • Sr. Software Engineer

    Leidos (Aurora, CO)
    …Decision Advantage Solutions Business Area, is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers ... CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** **Primary… more
    Leidos (10/05/25)
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  • Systems Engineer

    Lockheed Martin (Denver, CO)
    …MUST BE AU\.S\. CITIZEN \- The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. **Basic Qualifications:** + ... **Description:** You will be a **Systems Engineer ** for the R&D team that investigates and...address challenging technical problems\. You'll work closely with customers, software and hardware engineers, and other stakeholders throughout the… more
    Lockheed Martin (11/13/25)
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  • Software Engineer SME

    Leidos (Aurora, CO)
    …of the Decision Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for the Chinook Program. The ... + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able...a Polygraph.** **Primary Responsibilities:** + Serve as the lead software engineer and technical advisor for mission… more
    Leidos (10/05/25)
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  • Mid-Level Software Engineer

    Leidos (Aurora, CO)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The Chinook Program delivers ... CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** **Primary… more
    Leidos (10/05/25)
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  • Mission Solutions SAFe Agile Engineer

    CACI International (Aurora, CO)
    …lieu of degree will be considered, + Active Top Secret //Sensitive Compartmented Information with Counterintelligence Information ( TS /SCI) _Desired:_ + Scaled ... Mission Solutions SAFe Agile Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/14/25)
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  • Electro-Optical Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    software tools \(i\.e\. Matlab/Simulink, Labview, and Mathcad\)\. Current Top Secret security clearance **Security Clearance Statement:** This position ... security and prosperity\. Lockheed Martin Space is seeking a junior **Electro\-Optical Engineer ** to join our team...and customers \- Must be able to obtain a Top Secret clearance **Desired Skills:** BS in… more
    Lockheed Martin (11/20/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …to start\. * Candidates must have the ability to obtain \(and maintain\), a Top Secret security clearance for long\-term employment on this program\. **Desired ... II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the...9 years or more of professional experience * Active Top Secret security clearance **Security Clearance Statement:**… more
    Lockheed Martin (10/29/25)
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  • Senior Mechanical Engineer - Dynamics

    Lockheed Martin (Littleton, CO)
    …Citizen with an active Secret Clearance; ability to obtain and maintain a Top Secret Clearance **Desired Skills:** * A Master's degree is strongly preferred ... FBM D5LE2 Loads & Dynamics effort as a Mechanical Engineer \- Dynamics \- FEM\! In this role, you...system * Experience with rigid and flexible body lumped\-parameters * Top Secret DOD Clearance **Security Clearance Statement:**… more
    Lockheed Martin (09/25/25)
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  • Senior Software Engineer

    DCCA (Aurora, CO)
    …compensation and benefits package. Visit our website at: www.dcca.com Senior Software Engineer Candidate must have a TS /SCI with Poly to be considered For ... Senior Software Engineer Location Aurora, CO Job...be able to communicate directions and provide guidance to junior programmer/analysts, as required + Minimum of six (6)… more
    DCCA (11/21/25)
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  • Electrical Systems Engineer Sr.…

    Lockheed Martin (Littleton, CO)
    Secret security clearance with the ability to obtain and maintain a Top Secret clearance\. **Desired Skills:** * 5\+ years of relevant systems engineering\. ... Engineering Integration and Test \(SEIT\) team as a Systems Engineer \. The SEIT Requirements and Verification team handles all...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/15/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Verification and Validation (V&V) principles + The ability to obtain and maintain a Top Secret US Security Clearance is required + Systems Engineering Expertise: ... SNC is on the lookout for a Systems Engineer with expertise in sensor systems to support...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Software Engineer

    DCCA (Westminster, CO)
    …competitive compensation and benefits package. Visit our website at: www.dcca.com Software Engineer Candidate must have an active TS /SCI w/ Poly to be ... Software Engineer Location Westminster, CO Job...mission systems. * Provide tasking and technical direction to junior engineers and review work products at multiple levels.… more
    DCCA (11/21/25)
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  • Project Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …requirements management, system design, integration + The ability to obtain and maintain a Top Secret US Security Clearance is required + **Domain Knowledge:** + ... We are seeking a highly skilled Project Engineer with expertise in sensor systems to support...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Senior Principal II Engineer Gound…

    BAE Systems (Westminster, CO)
    …available based on position level and/or job specifics. **Senior Principal II Engineer Gound Software Sustainment** **118648BR** EEO Career Site Equal ... team. Our multi-disciplinary team supports and maintains the operational software baseline and satellites through their mission life. The...+ Formally or informally provide leadership to teams; mentor junior or peer engineers; may be assigned to a… more
    BAE Systems (11/21/25)
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