• ABBTECH Professional Resources, Inc. (Chantilly, VA)
    **Systems Engineer - Expert ** **Location- Chantilly, Va** **Clearance- TS /SCI w/ FSP** **Salary- 185k-195k/yr** _The above salary range represents the range ... package management, navigating filesystems, running scripts, managing system services + Software development experience with **Python 3** + Version control using… more
    DirectEmployers Association (10/15/25)
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  • Applied Research Associates, Inc. (Alexandria, VA)
    …from an accredited institution + 10+ years of relevant experience + Current DoW TOP SECRET clearance with SCI eligibility + Experience with one or more ... 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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  • COLSA Corporation (Shalimar, FL)
    …Compliance certifications within 6 months Preferred Skills and Qualifications + Active DoD Top Secret clearance highly desired + DoD 8140 Compliance: DoD cyber ... testing in DOD + Perform system security analysis on systems and/or software to understand and identify vulnerabilities + Execute hands-on testing which includes… more
    DirectEmployers Association (12/06/25)
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  • Applied Research Solutions (Dayton, OH)
    …Research Solutions is seeking an energetic and experienced full-time Strategic Cyber Security Engineer and Subject Matter Expert to support our customer at the ... Air Force Research Laboratory located at Wright-Patterson AFB. The Cyber Security Engineer will be supporting a cutting-edge program in the development of cyber… more
    DirectEmployers Association (12/11/25)
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  • Tyto Athene (Chesapeake, VA)
    …does not have a degree + CompTIA Security+ certified + LENEL Certified Expert (LCE) **Clearance:** + Active TS /SCI clearance is required. Candidates must ... **Description** Tyto Athene is searching for an experienced **System Engineer , Physical Security** to support one of our DoD programs. This individual will be… more
    DirectEmployers Association (12/05/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join our team of passionate individuals in ... the system as a whole. **Responsibilities:** As a GEODS Expert Software Engineer , you will...team, workstream, or major task(s) **Clearance Required:** * Active TS /SCI must be able to obtain and maintain a… more
    Amentum (11/18/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join our team of passionate individuals in ... and accessibility of mission-critical data. **Responsibilities:** As a GEODS Expert Software Engineer , you will...a clear and direct manner **Clearance Required:** * Active TS /SCI with the ability to obtain and maintain a… more
    Amentum (11/23/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join our team of passionate individuals in ... the system as a whole. **Responsibilities:** As a GEODS Expert Software Engineer , you will...a clear and direct manner **Clearance Required:** * Active TS /SCI must be able to obtain and maintain a… more
    Amentum (11/18/25)
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  • Expert CNO Software Engineer

    ManTech (Hanover, MD)
    **MANTECH** seeks a highly experienced and mission-focused ** Expert Software Engineer ** to join our CNO team in **Hanover, MD.** As an Expert Software ... + Manage the design, development, documentation, testing, and debugging of applications software and systems + Apply expert knowledge of security concepts… more
    ManTech (12/13/25)
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  • Expert Modernization Software

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SWE3: * A High School ... Learning \(AI/ML\) capabilities\. **The Work:** We are seeking professionals interested in * Software Development / Software Engineering For a complete list that… more
    Lockheed Martin (10/10/25)
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  • IT Specialist - Senior/ Expert

    National Reconnaissance Office (NRO) (Chantilly, VA)
    …areas: + Software Engineer /Applications Development - Serve as an expert software engineer / applications developer and consultant, managing and ... desired: Bachelor's or Master's degree in related IT functional area (eg software engineer , information technology, cybersecurity, systems and network engineers,… more
    National Reconnaissance Office (NRO) (11/17/25)
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  • IT Linux Systems Engineer - Top

    SpaceX (Hawthorne, CA)
    IT Linux Systems Engineer - Top Secret Clearance...work extended hours and weekends as needed. + Active Top Secret or TS /SCI with Polygraph. ... of enabling human life on Mars. IT LINUX SYSTEMS ENGINEER - TOP SECRET CLEARANCE...research, evaluate, design, plan, deploy, and support Linux-based/open source software platforms and related technologies in a world-class environment… more
    SpaceX (11/14/25)
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  • IT Systems Engineer - Top

    SpaceX (Hawthorne, CA)
    IT Systems Engineer - Top Secret ...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with ... goal of enabling human life on Mars. IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE...requirements, research, evaluate, design, plan, deploy, and support enterprise software platforms and related technologies in a world-class environment… more
    SpaceX (11/06/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Engineer - Active Top Secret Required** Seize your opportunity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...to make a personal impact as a Systems Engineer supporting a world class maintenance program servicing a… more
    General Dynamics Information Technology (11/20/25)
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  • Top Secret Cisco Identify Services…

    Insight Global (Dahlgren, VA)
    Job Description Insight Global is seeking a Top Secret Cisco Identity Services Engineer (ISE) based in Dahlgren, Virginia. This Engineer is responsible ... a minimum of a high school diploma, an active Top Secret clearance, and IAT Level II...switching infrastructure, monitoring ISE performance, and deploying new ISE software and hardware. Key responsibilities include creating and analyzing… more
    Insight Global (12/19/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …**Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...as a **Senior** **Principal Systems Engineer for Exchange Messaging** with GDIT. We're seeking a… more
    General Dynamics Information Technology (12/18/25)
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  • Software Architect/SME ( Top

    General Dynamics Information Technology (Falls Church, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** ... career. At GDIT, people are our differentiator. As a Software Engineer , SME you will help ensure...or Google Cloud. **Security clearance level:** + Active DoD Top Secret + US citizenship required **Certification(s):**… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Mechanical Engineer - Top

    Jacobs (Washington, DC)
    …protection, construction, etc.) * Professional Engineer (PE) Registration desired * Active Top Secret clearance, ability to acquire a CI Poly. Jacobs is an ... evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be self-motivated, well… more
    Jacobs (12/04/25)
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  • Critical Facility Technician 3 (HVAC SME)…

    M. C. Dean (Manassas, VA)
    …for access to classified information; **Ability to obtain and maintain Top - Secret clearance.** **Passport Requirement:** Continued employment for this role ... US Citizenship, for access to classified information; **Ability to obtain and maintain Top - Secret clearance.** + Continued employment for this role will be… more
    M. C. Dean (11/28/25)
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  • Cloud Administrator ( Top - Secret

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …years of experience and cyber certifications may be considered in lieu of degree. + Top Secret clearance with SCI eligibility + 5-7 years' experience in a Cloud ... to support a large, Federal agency in protection of our various borders. A top - secret clearance with SCI eligibility will be required for this role.… more
    Tetrad Digital Integrity LLC (11/09/25)
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