• 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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  • 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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  • 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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  • 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 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 (08/22/25)
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  • Intern - Software Engineer Intern…

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted ... processing, and data management. Raytheon is currently hiring for software engineering interns during the Summer of 2026. Interns...Engineering or Mathematics (STEM) and will be at minimum Junior , Senior or Post Grad year by summer 2026.… more
    RTX Corporation (11/18/25)
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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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  • 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 (08/22/25)
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  • RF Engineer - Hardware Team Lead

    Lockheed Martin (Littleton, CO)
    …Experience with Microsoft software products including Visio * Experience with CAD software suites such as AutoCAD * Active TS /SCI security clearance is ... team is seeking a highly skilled and motivated RF Engineer Sr Stf to join our development team\. As...test, and deploy a major hardware system including antennas, software defined radios, and related RF connections as part… more
    Lockheed Martin (11/06/25)
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  • Systems Engineer , Survivability (Level IV)

    Lockheed Martin (Littleton, CO)
    …with approximately 9 years or more of professional experience * Active TOP SECRET security clearance **Security Clearance Statement:** This position requires ... space and find a career that's built for you\. As an experienced **Survivability Engineer ** , you will lead and/or support the Specialty Engineering team in one or… more
    Lockheed Martin (11/07/25)
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  • Senior Systems Engineer

    Leidos (Aurora, CO)
    …VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (10/11/25)
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  • Systems Engineer , Requirements…

    Lockheed Martin (Littleton, CO)
    …controlled specifications, and reviewing verification evidence * Active or Current DoD Secret or Top Secret Security Clearance **Security Clearance ... definition, allocation, maintenance, validation, system integration, and test\. As a **System Engineer ** on the CPS program you will be involved in all Systems… more
    Lockheed Martin (10/15/25)
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