• Parsons Corporation (Centreville, VA)
    …experience in Software, Hardware, or Embedded Systems Development Must have active Top Secret SCI clearance and amenable for poly upgrade What Required ... Active TS /SCI with counterintelligence polygraph Security Clearance Requirement: An active Top Secret SCI security clearance is required for this position.… more
    Upward (07/01/25)
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  • ManTech International (Reston, VA)
    …begins now-unleash your potential with ManTech! ManTech seeks a motivated, career and customer-oriented Senior Field Engineer to join our team in the Reston, VA ... location. This is an onsite position. The Senior Field Engineer will travel worldwide to...travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain systems , train technical support personnel to perform maintenance on… more
    Upward (07/01/25)
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  • Analytic Solutions Group (Chantilly, VA)
    Cyber Systems Engineer - Project Engineer (RMD & CISO-FO) Program Description: The program provides Systems Engineering and Technical Assistance (SETA) ... (A&A), Vulnerability Management, and Cyber Defense support. Position Description: The Cyber Systems Engineer provides support to the customer in the area… more
    Upward (07/14/25)
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  • Aegis (Springfield, VA)
    …to work on projects anywhere in the world. About the Role We seek a Senior Project Controls Engineer to provide scheduling support services to our valued client. ... with the training, opportunities, and tools to be the top project controls professionals in the industry. Experienced construction..."Aegis way" and earn the opportunity to become trusted senior staff. With over two decades of experience solving… more
    Upward (06/26/25)
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  • ManTech International (Reston, VA)
    …communications Preferred Qualifications: N/A Clearance Requirements: Must have an active/current Top Secret security clearance. Physical Requirements: Must be ... ManTech! ManTech seeks a motivated, career and customer-oriented Principal Satellite Communications Engineer to join our team in the Reston, VA location. This is… more
    Upward (07/02/25)
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  • Red Gate Group (Fort Belvoir, VA)
    …employee wellbeing. Job Description The Red Gate Group is seeking an Explosives Engineer to support the Defense Threat Reduction Agency (DTRA) . This critical role ... guide the safe and effective elimination of WMD delivery systems , assist in developing international security strategies ,...international security strategies , and provide expert analysis to senior US Government officials . This role requires a… more
    Upward (06/28/25)
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  • STR (Arlington, VA)
    …RF systems prototyping Experience providing technical briefs to subcontractors, senior level executives, and customers Proficiency in one or more scientific or ... mathematical, troubleshooting, written, and verbal communication skills Even Better: Active Secret or TS /SCI Clearance Demonstrated leadership of complex… more
    Upward (07/14/25)
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  • Senior Systems Engineer

    Applied Research Associates, Inc. (Alexandria, VA)
    …Applied Research Associates, Inc. (ARA) has an outstanding opportunity for an exceptional ** Senior Systems Engineer ** to support on-going research and ... passion for engineering the world? Join us as a Senior Systems Engineer and become...understand and reverse engineer processes and support systems at remote WMD-related facilities. + TS more
    Applied Research Associates, Inc. (04/23/25)
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  • Senior Systems Engineer

    RTX Corporation (Sterling, VA)
    …problems that create a safer, more secure world. We have an exciting opportunity for a Senior Systems Engineer to join our team. This role supports one of ... providing systems engineering support, guidance, and fostering team communication. As a Senior Systems Engineer , you will serve in a technical support… more
    RTX Corporation (07/11/25)
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  • Senior Systems Engineer

    The Metamorphosis Group (Chantilly, VA)
    Senior Systems Engineer , TS /SCI &FSP Chantilly, VA . Government/Military Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate ... opening for a Senior Systems Engineer , to act...opening for a Senior Systems Engineer , to act in a Lead...facing missions. MUST BE US CITIZEN MUST HAVE ACTIVE TS /SCI with FSP US Veterans Preferred Qualifications + 5+… more
    The Metamorphosis Group (06/11/25)
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  • Senior Systems Engineer

    NTT DATA North America (Quantico, VA)
    …of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior Systems Engineer - Part-time 20 hours to join our ... Quantico, Virginia (US-VA), United States (US). **Job Summary:** The Senior Systems Engineer will design,...sites, and within and between data centers. + Active Top Secret Security Clearance **Preferred Qualifications:** +… more
    NTT DATA North America (07/19/25)
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  • Senior Systems Engineer Tier…

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Engineers to support a customer in Stafford, VA. Support ... /SCI level with Counter Intelligence Polygraph. US Citizenship is a requirement for Top Secret clearance at this location. \#LI-KC1 Applicants may be subject… more
    UIC Government Services and the Bowhead Family of Companies (06/05/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to support ... working with a great team, apply today. This position requires an active Top Secret /SCI clearance with Polygraph. Responsible for supporting mission systems more
    SAIC (06/17/25)
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  • Senior Systems Engineer

    Fiserv (Richmond, VA)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Systems Engineer (CICS/Assembler) **About your role:** You will provide ... senior -level CICS/ TS technical support (installation, implementation, administration, and maintenance) for...required by customers and management are maintained for operating systems and for software components and provide on call… more
    Fiserv (06/01/25)
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  • Senior Systems Engineer

    First Division Consulting (Dahlgren, VA)
    This position is contingent on contract award** First Division Consulting is seeking a Senior Systems Engineer (Network) to support a Department of the Navy ... routers, switches, fiber optics, firewalls, and structured cable plant designs. + Active Top Secret ( TS ) Clearance with SCI eligibility. + One of the… more
    First Division Consulting (06/19/25)
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  • Senior GEOINT Systems

    KBR (Chantilly, VA)
    Title: Senior GEOINT Systems Engineer - Processing KBR is seeking a Senior GEOINT Systems Engineer to be part of our team supporting our ... information distributed to US Government Intelligence Community and Military users. The GEOINT Systems Engineer serves as an advisor to support the Government in… more
    KBR (05/08/25)
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  • Senior Systems Test Engineer

    RTX Corporation (Sterling, VA)
    …problems that create a safer, more secure world. We have an exciting opportunity for a ** Senior Systems Test Engineer ** to join our Air & Space Defense ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (07/10/25)
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  • Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer - Acquisition KBR is seeking a Senior SIGINT Systems Engineer to be part of our team supporting our ... information distributed to US Government Intelligence Community and Military users. The SIGINT Systems Engineer serves as an advisor to support the Government in… more
    KBR (06/11/25)
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  • Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to...development of related briefing materials Minimum qualifications: + Active TS /SCI with Polygraph + Bachelor's degree in Engineering or… more
    KBR (06/18/25)
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  • Senior Systems Security…

    SMX (Dahlgren, VA)
    Senior Systems Security Engineer (4413)at... + Must be able to obtain and maintain Top Secret + Master's degree in Cybersecurity, Computer, ... jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior Systems Security Engineer to join our team in support of… more
    SMX (07/09/25)
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