• Applied Research Associates, Inc. (Alexandria, VA)
    …discipline from an accredited institution + 10+ years of relevant experience + Current DoW TOP SECRET clearance with SCI eligibility + Experience with one or ... Applied Research Associates, Inc. (ARA) is seeking to contingently hire a **Senior Engineer ** for ARA's effort supporting the Assistant Secretary of War for Critical… more
    DirectEmployers Association (11/26/25)
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  • Modeling & Simulation Engineer

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow....identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (10/24/25)
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  • Simulation Engineer - TS

    Leidos (Reston, VA)
    …**Required Education, Clearance, Skills, and Experience:** + Candidate MUST possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and ... Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary...be eligible to obtain a TS / SCI w/ poly level clearance. US Citizenship… more
    Leidos (09/26/25)
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  • Mechanical Engineer - Multiple Levels…

    Leidos (Reston, VA)
    …process **REQUIRED SKILLS, EDUCATION, EXPERIENCE, CLEARANCE:** + Candidate must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, ... and be eligible to obtain a TS / SCI w/ CI poly level clearance +...models + Ability to make decisions based on incomplete information and communicate any gaps in information more
    Leidos (09/20/25)
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  • Electrical Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …experience, including Senior Officials. **Clearance Requirement:** Candidate MUST POSSESS an active TS / SCI , or a Top Secret clearance with a current ... Area at Leidos has an opening for an Electrical Engineer in Reston, Virginia. The primary focus of the...candidates for consideration must possess an active TS / SCI , or a Top Secret more
    Leidos (10/04/25)
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  • Structural Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …Officials **Required Skills, Education, and Experience:** + Candidate must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and ... Area at Leidos has an opening for a Structural Engineer in Reston, Virginia. The primary focus of the...be eligible to obtain a TS / SCI w/ poly level clearance. US Citizenship… more
    Leidos (10/04/25)
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  • Senior Software Developer - TS / SCI

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research… more
    Leidos (09/21/25)
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  • Software Engineer (lead) - level 4

    Northrop Grumman (Fairfax, VA)
    …+ Requires an **active** DoD Top - Secret **( TS )** with Sensitive Compartmented Information **( SCI )** **clearance** **at time of application.** ... your pioneering spirit to our collaborative teams. This _Software Engineer (lead)_ _- Level 4_ role at our **Fairfax,...required but preferred_ **)** + STEM degree + Active TS with an active/current SCI [ TS more
    Northrop Grumman (11/19/25)
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  • Python Software Engineer - Level 3

    Northrop Grumman (Fairfax, VA)
    …current and within scope, with the ability to obtain a US Government DoD Top - Secret security clearance and SCI approval/access within a reasonable period ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...+ Strong software engineering fundamentals **Preferred** **Qualifications:** + Active TS / SCI or TS with … more
    Northrop Grumman (12/11/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …**Required Skills, Education, Clearance and Experience:** + Candidate **must possess** an active TS / SCI , or a Top Secret clearance with a current SSBI, ... Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The...and be eligible to obtain a TS / SCI w/ CI poly level clearance. US… more
    Leidos (09/26/25)
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  • Sr. Space Operations Engineer

    SpaceX (Washington, DC)
    Sr. Space Operations Engineer Washington, DC Apply SpaceX was founded under...improvement and system design + Active Top Secret , Top Secret SCI ... of enabling human life on Mars. SR. SPACE OPERATIONS ENGINEER This multi-disciplinary role enables you to be a...+ This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition… more
    SpaceX (12/16/25)
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  • Backup Recovery Engineer

    SAIC (Arlington, VA)
    …like CommVault Simpana and IBM Spectrum Protect. **Qualifications** + Active DOD Top Secret clearance; Ability to obtain a TS / SCI required to maintain ... SAIC is currently seeking a motivated, career and customer-oriented Backup Recovery Engineer with at least 4-years of Commvault experience to join our team… more
    SAIC (12/13/25)
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  • Technical Change Process Engineer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …and/or Experience: Bachelor's degree and/or 2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain a TS / SCI ... **Technical Change Process Engineer ** **Category:** Project Management **Main location:** United States,...5 to 10 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Senior Desktop Engineer SCCM

    SAIC (Quantico, VA)
    …Configuration Manager). + IAT-II certification (ie Security +). + US Citizen and Active Top Secret clearance with SCI eligibility. REQNUMBER: 2511887 SAIC is ... **Description** **SAIC is seeking a Sr. Desktop Engineer (SCCM) for a new/exciting program out of...program out of Quantico, VA. (Must possess an active TS / SCI and Sec+ Certification.)** **Introduction** Make a… more
    SAIC (12/03/25)
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  • Radar Systems Engineer

    Integration Innovation, Inc. (i3) (Arlington, VA)
    …experience + Experience supporting anechoic chamber operations Security Clearance: + Active Top Secret / SCI clearance. PHYSICAL DEMANDS: + The physical ... Overview i3 is seeking an experienced Radar Systems Engineer to design, develop, and optimize advanced radar...to join us! Job LocationsUS-VA-Arlington ID 2025-4951 Business Unit ASI Type Full-Time Clearance Top Secret / SCI more
    Integration Innovation, Inc. (i3) (11/11/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …experience. In lieu of a degree, minimum of 6 years of prior related experience. + Active Top Secret / SCI with CI Poly clearance required. + At least one year ... and cyber domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS / SCI w/CI Poly Required) Job… more
    L3Harris (10/15/25)
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  • Software Reverse Engineer

    Integration Innovation, Inc. (i3) (Washington, DC)
    …Security Clearance: + Current Secret clearance with ability to possess TS / SCI . Knowledge/Skills: + Knowledge of office administration and procedures. + ... i3 has an exciting opportunity for a Software Reverse Engineer to support the Naval Research Laboratory, Tactical Electronic...to join us! Job LocationsUS-Washington, DC ID 2025-4948 Business Unit ASI Type Full-Time Clearance Top Secret more
    Integration Innovation, Inc. (i3) (11/11/25)
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  • Senior FPGA Development Engineer , Bespoke…

    Amazon (Arlington, VA)
    …logic for 100G Networking Systems - Current, active US Government Security Clearance of Top Secret or above Amazon is an equal opportunity employer and does ... looking for help. AWS seeks a Senior FPGA Development Engineer with experience developing programmable logic on the most...start, the selected candidate obtain and maintain an active TS / SCI security clearance with polygraph or commensurate… more
    Amazon (12/10/25)
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  • FPGA Development Engineer , Bespoke…

    Amazon (Arlington, VA)
    …logic for 100G Networking Systems - Current, active US Government Security Clearance of Top Secret or above Amazon is an equal opportunity employer and does ... is looking for help. AWS seeks an FPGA Development Engineer with experience developing programmable logic on the most...start, the selected candidate obtain and maintain an active TS / SCI security clearance with polygraph or commensurate… more
    Amazon (12/03/25)
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  • RF Hardware Engineer

    Integration Innovation, Inc. (i3) (Washington, DC)
    …Security Clearance + Active Secret clearance and the ability to maintain a Top Secret / SCI PHYSICAL DEMANDS + The physical demands described here are ... i3 has an exciting opportunity for a RF Hardware Engineer to support the Naval Research Laboratory, Tactical Electronic...to join us! Job LocationsUS-Washington, DC ID 2025-4961 Business Unit ASI Type Full-Time Clearance Top Secret more
    Integration Innovation, Inc. (i3) (11/18/25)
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