• Cses III - Firewall Engineer

    CACI International (Springfield, VA)
    …security domains. Ensure the overall health and strong security posture of complex network architectures. The Firewall Engineer will be actively involved with ... CSES III - Firewall Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (12/18/25)
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  • ForeScout Engineer - Active TS /SCI…

    ENS Solutions (Washington, DC)
    …to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, ... complexities of security with a wide variety of audiences, including senior management. + Manage infrastructure and cybersecurity controls, including enhanced… more
    ENS Solutions (12/06/25)
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  • Software Engineer (All Levels) TS

    Leidos (Annapolis Junction, MD)
    …exciting opportunity for **Software Engineers** (hiring junior level, mid-level, up to senior level) in our **Intelligence Sector's Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (01/15/26)
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  • MFAMS Senior Back End Java Developer-…

    CACI International (Hanover, MD)
    MFAMS Senior Back End Java Developer- TS /SCI with Poly Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI ... integration, software development, system engineering, migration, testing, documentation development, network and system monitoring, configuration control and release management.… more
    CACI International (10/23/25)
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  • Senior Platform Engineer

    Leidos (Chantilly, VA)
    …a technical development program supporting the Sponsor's IdAM/ICAM programs located on a secure network . As a Platform Engineer on this program, you will design, ... Kubernetes, containers, or serverless is strongly preferred. The Platform Engineer will work with a large team of developers,...engineering support to mission teams Required Qualifications + Active TS /SCI with Polygraph + BS degree and 8+ years'… more
    Leidos (01/09/26)
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  • System Engineer III - TS /SCI…

    RBR-Technologies (Fort Meade, MD)
    …of responsibility. + Communicates with other program personnel, government overseers, and senior executives. REQUIREMENTS + TS /SCI w/ Polygraph + Twenty (20) ... and Defense Information Systems Agency (DISA). RBR-Technologies is seeking a System Engineer to support one of our customers in Maryland. RESPONSIBILITIES This… more
    RBR-Technologies (10/30/25)
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  • ISSE Senior - with TS /SCI Poly

    Amentum (Columbia, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior ISSE** to join our team of passionate individuals in **Columbia, MD** . In this ... on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you will perform...* Fourteen (14) years of IA System Architect and Engineer (IASAE) experience, to include recent experience within the… more
    Amentum (01/13/26)
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  • Systems Administrator II Generalist Sr

    V2X (Springfield, VA)
    …+ The Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator, Network Engineer as well as the IT team ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server -...required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to… more
    V2X (11/15/25)
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  • Vulnerability Researcher: Senior Levels…

    Cipher Tech Solutions (Vienna, VA)
    …+ MUST be a US citizen + Must hold a US government security clearance at the TS Level or higher at time of application + Must hold a Bachelor's degree or higher in ... system emulation for research and analysis + Understanding of network protocols + Experience reading and writing assembly (ARM,...of analyzing malicious code. The goal of a reverse engineer is to understand how the malicious code works… more
    Cipher Tech Solutions (11/21/25)
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  • Cloud Information Systems Security Engineer

    CGI Technologies and Solutions, Inc. (Washington, DC)
    …CGI Federal is currently looking for a Senior -Level Cloud Information Systems Security Engineer with active Top Secret clearance to support a large ... **Cloud Information Systems Security Engineer (ISSE) - Sr ** **Category:** Cyber...qualifications to be successful in this role:** * Active Top Secret clearance ( TS ). *… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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