• Senior System Engineer

    CACI International (Fort Meade, MD)
    Senior System Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... Local * * * CACI is seeking a System Engineer who is responsible for creating, sustaining, and troubleshooting...PCB, antenna arrays and enclosures, as well as maintaining network infrastructure at CONUS remote sites. Additional tasking includes… more
    CACI International (11/01/25)
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  • Customer Delivery Consulting Engineer

    Cisco (Herndon, VA)
    …on US soil. The successful applicant must have a current US Government TS /SCI with Full Scope Polygraph Clearance.** **Must live within commuting distance and be ... to drive value, innovation, and adoption in our customer's network . We help them to reduce risk, drive innovation,...groundbreakers of technology. **Your Impact** As a Security Consulting Engineer , you will help drive the effort to transform… more
    Cisco (11/14/25)
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  • Modernization Cyber Network Packet/Protocol…

    Lockheed Martin (Hanover, MD)
    …contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD TopSecret SCI with Polygraph NE2: * High School Diploma/GED ... landscape? Join a team that is pioneering the modernization of network intrusion detection-from handcrafted Wireshark filters to AI‑driven, cloud‑scaled analytics\.… more
    Lockheed Martin (11/15/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... your help. Our team is looking for a **SysOps Engineer (** **System Administrator).** In this role you will...Directory, Identity Management (IdM) **Security Clearance Requirement:** An active Top Secret SCI security clearance is required… more
    Parsons Corporation (11/14/25)
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  • Senior Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …reporting, including patching, compliance, and outage information Required Qualifications: + Active Top Secret security clearance and eligible for SCI access + ... Omaha, NE, USA | TS / SCI | Salary | 95,000-110,000 per...Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 is seeking… more
    S4 Inc. (10/08/25)
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  • Software Engineer Lead

    Huntington Ingalls Industries (Wright Patterson AFB, OH)
    …Time/Salaried/Exempt Anticipated Salary Range: $100,883.00 - $144,118.00 Security Clearance: TS /SCI Level of Experience: Management This opportunity resides with ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (12/30/25)
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  • Cyber Reverse Engineer

    CACI International (Sterling, VA)
    Cyber Reverse Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... events where you get to engage with your co-workers and expand your career network . We have an engaging environment with a management team focused on growing your… more
    CACI International (12/24/25)
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  • FPGA Hardware Engineer

    Leidos (Linthicum, MD)
    …**Leidos** has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... (CABA)** . Active TS /SCI with a polygraph is required. Our talented team...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (12/20/25)
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  • Software Engineer with Poly

    BigBear.ai (Hanover, MD)
    Overview BigBear.ai is seeking a Senior Software Engineer with an active TS /SCI with Poly clearance to work with a team of developers to support Identity, ... integration, software development, system engineering, migration, testing, documentation development, network and system monitoring, configuration control and release management… more
    BigBear.ai (12/19/25)
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  • Sr. Software Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    Overview Big Bear Ai (BBAI) is seeking a JavaScript Software Engineer with an active TS /SCI w/ Poly located in Hanover, MD. This role offers a unique chance to ... support, software integration, development, system engineering, migration, testing, documentation, network and system monitoring, configuration control, and release management.… more
    BigBear.ai (12/11/25)
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