• Environmental Engineer ( TS

    Fluor (Aurora, CO)
    …Community. **Job Description** Must possess an active (or ability to obtain and maintain) TS / SCI with Polygraph clearance The purpose of this position is to ... in order to avoid and minimize Health, Safety, & Environmental (HSE) related problems. These problems include but are...possess an active (or ability to obtain and maintain) TS / SCI with Polygraph clearance * US Citizen… more
    Fluor (10/23/25)
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  • Electromagnetic Environmental Effects (E3)…

    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 ... * Expertise in Electromagnetic Compatibility \(EMC\) theory * Active or Current Top Secret security clearance; US Citizenship Required **Desired Skills:** *… more
    Lockheed Martin (12/04/25)
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  • Environmental , Safety & Occupational…

    EMCOR Group (Tysons Corner, VA)
    …Qualifications: + **Current Top Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility.** + Must possess and ... for Safety - Certified Safety Professional (CSP); and/or for Environmental Engineering - Professional Engineer (PE)). + A minimum of 10 years of experience… more
    EMCOR Group (11/01/25)
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  • Environmental , Occupational Safety…

    EMCOR Group (Springfield, VA)
    …This position requires an Active Top Secret / Sensitive Compartmented Information ( TS / SCI ) Clearance** **Qualifications:** + Professional ... for Safety - Certified Safety Professional (CSP); and/or for Environmental Engineering - Professional Engineer (PE)). + A minimum of **10** years of experience… more
    EMCOR Group (10/30/25)
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  • Environmental , Safety And Occupational…

    V2X (Springfield, VA)
    …This position requires a current Top Secret / Sensitive Compartmented Information ( TS / SCI ) Clearance. At V2X, we are deeply committed ... - Certified Industrial Hygienist (CIH); Safety - Certified Safety Professional (CSP); Environmental Engineering - Professional Engineer (PE) are all acceptable… more
    V2X (12/11/25)
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  • Civil Engineer - Top Secret

    Leidos (Reston, VA)
    …+ US Citizenship is required + All candidates for consideration must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and be ... **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of...eligible to obtain a TS / SCI w/ poly level clearance. **Required Skills,… more
    Leidos (10/09/25)
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  • Deputy Program Manager (DPM) TS

    EMCOR Group (Tysons Corner, VA)
    …**Qualifications:** + **Current Top Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility.** + Must possess and ... Facility Operations + Security Services + Logistics and Motorpool + Environmental , Safety and Occupational Health Support + Engineering, Construction and Operations… more
    EMCOR Group (11/01/25)
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  • Program Manager (PM) TS with SCI

    EMCOR Group (Tysons Corner, VA)
    …**Qualifications:** + **Current Top Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility.** + Must possess and ... Facility Operations + Security Services + Logistics and Motorpool + Environmental , Safety and Occupational Health Support + Engineering, Construction and Operations… more
    EMCOR Group (11/01/25)
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  • Software Engineer ( TS / SCI

    Parsons Corporation (Fort George G Meade, MD)
    …+ TS SCI w/ poly required **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this position.​ ... talent and redefine what's possible. **Job Description:** We are seeking a **Software Engineer 1** to join the software development team who will develop and sustain… more
    Parsons Corporation (12/02/25)
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  • Software Engineer , Lead - TS

    Parsons Corporation (Annapolis Junction, MD)
    …mission experience are advantageous but not required **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... capability deployments is essential + Atlassian, Jira, Confluence experience + Active TS / SCI w/Poly **What Desired Skills You'll Bring:** + AWS certifications… more
    Parsons Corporation (11/24/25)
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