• Senior Network Engineer

    BAE Systems (Sterling, VA)
    …provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to ... **Job Description** BAE Systems , a top ten prime contractor to the...to lead the world in defense technologies and national security services. Be a part of a company that… more
    BAE Systems (12/12/25)
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  • Senior OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer to provide Systems Engineer Technical Advisor (SETA) ... support for a USG Agency. As a Senior OPIR Systems Engineer , you will be responsible for...Review (OAR) + Function as the interface between the system users, the program office, and the systems more
    KBR (12/11/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber Security ... services + Maintain infrastructure in cloud or virtualized environments + Perform Linux-based system upgrades and patches + Engineer and deploy a Multi-Factor… more
    ManTech (12/11/25)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and ... platforms of common hypervisors and enterprise applications, including collaboration tools, Systems Information and Event Monitoring (SIEM) products, directory… more
    ManTech (12/17/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    …+ Security accreditation processes (RMF, NIST 800-53) for TS/SCI systems + Advanced system monitoring and observability in classified environments ... Responsibilities As a ** Systems Engineer III** you will provide...and integration functions across multi-enclave environments. + Implement comprehensive systems security strategies ensuring all systems more
    Noblis (12/22/25)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    Responsibilities As a ** Systems Engineer IV** you will provide expert leadership in planning, designing, and implementing sophisticated additions and changes to ... multi-enclave environments with focus on Top Secret infrastructure. + Implement comprehensive systems security strategies ensuring all systems are current… more
    Noblis (12/22/25)
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  • Management Information Systems

    Sciolex Corporation (Chantilly, VA)
    …ensuring you receive the utmost employee care. Responsibilities Duties for the Management Information Systems role are as follows: Develop and customize MIS ... Qualifications & Physical Requirements Expected Qualifcations Bachelor's degree in Management Information Systems , Computer Science, or a related field.… more
    Sciolex Corporation (01/13/26)
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  • Software Development Engineer III - Threat…

    Amazon (Arlington, VA)
    …threats, track adversary activities, and provide actionable intelligence across Amazon's security ecosystem. As a Software Development Engineer within ACTI ... decisions. - Architect and lead the design of highly scalable distributed systems processing petabytes of security data, making strategic trade-offs between… more
    Amazon (01/10/26)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions leveraging cloud… more
    CACI International (11/14/25)
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  • OPIR Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Chantilly, VA)
    OPIR Systems Engineer The Opportunity: At a certain point, experience-based system design can start to look like clairvoyance. When you've developed so many ... toughest challenges in Satellite Mission Management? As a OPIR Systems Engineer on our team, you'll translate...You Have: + 2+ years of experience with national security satellite systems for SIGINT or GEOINT… more
    BOOZ, ALLEN & HAMILTON, INC. (01/10/26)
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