• Applied Research Associates, Inc. (Herndon, VA)
    …network policies **Senior DevOps Engineer Preferred Qualifications:** + An active TS / SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you...+ **Must be a US citizen with an active TS / SCI security clearance** + Bachelors degree in… more
    DirectEmployers Association (09/11/25)
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  • Environmental Safety and Health…

    Leidos (Springfield, VA)
    **Description** **Job Description** We are seeking an Environmental Safety and Health (ESH) Engineer who plays a critical role in supporting the organization's ... including spill response, evacuation drills, and readiness reviews. **Basic Qualifications** + TS / SCI w/ Poly Clearance is required + Bachelor's degree in… more
    Leidos (11/01/25)
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  • 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 ... ensuring security and prosperity\. As an Electromagnetic Engineering Effects \(E3\) Engineer , you will support the System Engineering \(SE\) Special Disciplines… more
    Lockheed Martin (09/20/25)
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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 ... Environmental , Safety & Occupational Health (ESOH) Manager - TS with SCI eligibility** **Job Summary:** EMCOR...for Safety - Certified Safety Professional (CSP); and/or for Environmental Engineering - Professional Engineer (PE)). +… 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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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …will be required to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) for long term employment on this program ... starting employment, selected candidates will be required to possess Top Secret clearance\. For this position, applicants...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (10/08/25)
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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 (09/11/25)
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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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  • 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 ... to consistently execute their critical missions. **Job Title:** **Program Manager (PM) TS with SCI eligibility** **Job Summary:** EMCOR Government Services is… more
    EMCOR Group (11/01/25)
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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 ... consistently execute their critical missions. **Job Title: Deputy Program Manager (DPM) TS with SCI eligibility** **Job Summary:** EMCOR Government Services is… more
    EMCOR Group (11/01/25)
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  • Junior Software Engineer - TS

    Parsons Corporation (Denver, CO)
    …CUDA/GPU, Grid Systems, Parallel Processing, Threading **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... Envisioneering is seeking qualified candidates to fill a **Software Engineer ** position at our Denver, CO location. Blue Ridge...experience in software design/development, data structures, and algorithms + TS / SCI w/ Poly is required + Minimum… more
    Parsons Corporation (09/24/25)
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  • Principal Level Digital Signal Processing…

    Parsons Corporation (Chantilly, VA)
    …processing, communications, and signal localization challenges **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA....in Electrical Engineering, Computer Engineering or related discipline + TS / SCI w/ Poly is required + Minimum… more
    Parsons Corporation (09/24/25)
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  • Lead Network Systems Engineer - TS

    Parsons Corporation (Mclean, VA)
    …enterprise-level network management tools and software. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... is looking for an amazingly talented **Lead** **Network Systems Engineer ** to join our team! In this role, you...to interface with stakeholders and customers effectively. + Active TS / SCI clearance with Polygraph. + **What Desired… more
    Parsons Corporation (09/09/25)
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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 (09/02/25)
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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 (08/26/25)
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  • Systems Engineer TS / SCI

    Parsons Corporation (Centreville, VA)
    …model, analyzing networking protocols using Wireshark **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... Parsons is seeking a highly skilled and motivated **Systems Engineer ** to join our dynamic team. In this role,...customer test environments **What Required Skills You'll Bring:** + ** Top Secret // SCI Security Clearance with… more
    Parsons Corporation (10/03/25)
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  • TS / SCI DevOps Engineer

    Parsons Corporation (Centreville, VA)
    …with the Atlassian product suite (Confluence, Jira). **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... we want to hear from you! As a DevOps Engineer at Parsons, you will play a critical role...and customers. **What Required Skills You'll Bring:** + Active Top Secret security clearance. + Bachelor's degree… more
    Parsons Corporation (11/06/25)
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  • Security Systems Engineer

    Lockheed Martin (Cape Canaveral, FL)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... processing facilities O&M, clean room operations, and safety and environmental services\. The Engineer selected for this...team and must have the ability to obtain a Top \- Secret security clearance so they can work… more
    Lockheed Martin (09/06/25)
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  • Principal / Sr Principal Vehicle Systems…

    Northrop Grumman (Dulles, VA)
    …of engineers and managers to achieve the goals of the program team. Current TS / SCI is required, and program access is strongly preferred. **This position ... Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer to support a critical space mission. Vehicle ...**Must have US Citizenship with current or active DoD TS / SCI Clearance at time of application** **Preferred… more
    Northrop Grumman (10/31/25)
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