• Red River (Washington, DC)
    …requires a hands-on approach to network architecture, performance optimization, and security enhancements within enterprise -level infrastructure in support of a ... Technology is actively seeking a dedicated and highly skilled Senior Network & Systems Engineer with deep expertise in...with deep expertise in Cisco ACI, virtualization platforms, and enterprise storage solutions to join our team in supporting… more
    DirectEmployers Association (10/16/25)
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  • Zscaler (Washington, DC)
    …systems, and adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be responsible ... About **Zscaler** Serving thousands of enterprise customers around the world including 45% of... users. As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can… more
    DirectEmployers Association (10/11/25)
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  • Tyto Athene (Washington, DC)
    …years of relevant experience on cybersecurity projects. + IAT Level II Certification ( Security + etc.) **Clearance:** Top Secret w/ SCI Eligibility **Location:** ... **Description** Tyto Athene is seeking a forward-thinking and self-motivated ** Senior Technical Writer/Editor and Task Manager** to support one of our federal… more
    DirectEmployers Association (10/07/25)
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  • Epsilon, Inc (Arlington, VA)
    …in national security . The Information Assurance Analyst II collaborates with senior team members to ensure systems are secure, compliant, and properly configured ... skills with the ability to work effectively in a team environment and support senior analysts. + Certifications such as Security +, CAP, CSSP or equivalent… more
    DirectEmployers Association (10/02/25)
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  • Epsilon, Inc (Arlington, VA)
    …in national security . The Information Assurance Analyst I collaborates with senior team members to ensure systems are secure, compliant, and properly configured ... skills with the ability to work effectively in a team environment and support senior analysts. + Certifications such as Security +, CAP, CSSP or equivalent… more
    DirectEmployers Association (09/25/25)
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  • Office of the Secretary of Defense (Arlington, VA)
    …to qualify for this position, you must be able to obtain a Top Secret security clearance and access to Sensitive Compartmented Information (TS/SCI). Submit ... Community). Serves as USD(A&S)'s Nuclear Command, Control, and Communications (NC3) Enterprise capability portfolio manager. On behalf of USD(A&S), leads, and… more
    Upward (08/10/25)
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  • Epsilon, Inc (Washington, DC)
    …implementation, operation and maintenance (O&M), and support of the DOS Enterprise Telecommunications networks for voice and data services nationwide. Epsilon's team ... platforms and will work under the direction of the Senior Wi-Fi Team Lead to design and support network...position you will: + Assist in managing a Cisco Enterprise Wireless Network infrastructure using Cisco DNA, Identity Services… more
    DirectEmployers Association (09/25/25)
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  • SECRET Sr . Enterprise

    Insight Global (Herndon, VA)
    …Active CompTIA Security + CE certification * Active Department of Defense (DoD) Secret security clearance * The ability to sign a non-disclosure agreement. * ... to all organization-wide information governance activities. * Ensure adherence to enterprise information security policies, standards and practices to achieve… more
    Insight Global (10/22/25)
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  • Sr Principal Security Engineer…

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Principal** **S** **ecurity** **Engineer for** **Hardware** ** Security ** ... your opportunity to make a personal impact as a ** Senior Principal Security Engineer for HSM** with...**Experience** **:** DoD 8140/8570 IAT level II compliance + ** Security Clearance Level:** Active Top Secret with… more
    General Dynamics Information Technology (10/04/25)
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  • Sr Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... Complex Systems,Microsoft Windows Server,Systems Engineering,Systems Management,Troubleshooting **Certifications:** CompTIA - Security + - CompTIA - CompTIA **Experience:** 17 + years… more
    General Dynamics Information Technology (09/26/25)
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  • LINUX Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …DoD Instruction 8570 Level II Certification within 6 months of assignment. + ** Security Clearance Level:** Active Top Secret + **Required Skills and Abilities** ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (09/23/25)
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  • Sr . Security Engineer - Team Lead

    NTT America, Inc. (Merrifield, VA)
    …join our team in Merrifield, Virginia (US-VA), United States (US). **Job Summary:** The Senior Security Engineer - Team Lead is responsible for directing and ... and deployment plans for security tools. 3. Ensure designs meet enterprise security requirements, including baseline configurations and quality standards. 3.… more
    NTT America, Inc. (09/27/25)
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  • Sr IT Security Engineer - PAM

    ThermoFisher Scientific (Frederick, MD)
    …and privileged access security frameworks + Advanced proficiency in enterprise PAM platforms ( Secret Server, CyberArk, BeyondTrust) + Strong experience ... in science and technology, located in Frederick. As a Senior IT Security Engineer specializing in Privileged...CISM, GSEC, or similar **Experience** + 6+ years of enterprise security experience with focus on privileged… more
    ThermoFisher Scientific (07/31/25)
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  • Full Spectrum Cyber Sr . Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …CYBERSECURITY ENGINEER SR PRINCIPAL Advance your career while impacting our national security in cyber as a Cybersecurity Engineer Sr Principal at GDIT. ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management… more
    General Dynamics Information Technology (09/30/25)
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  • Sr . Solutions Director - Intelligence…

    General Dynamics Information Technology (Herndon, VA)
    …Minimal Qualifications to Be Considered: + 20+ years of experience + Active Top Secret security clearance, with the ability to obtain and maintain a TS/SCI ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Technical… more
    General Dynamics Information Technology (10/03/25)
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  • Sr Solution Architect

    Sierra Nevada Company, LLC (Herndon, VA)
    …ability to influence and drive consensus among stakeholders. + An active Top Secret with SCI eligibility US Security Clearance is required **Qualifications We ... (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance.… more
    Sierra Nevada Company, LLC (09/26/25)
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  • Sr . Network Engineer…

    General Dynamics Information Technology (Washington, DC)
    …shaping what's next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Network Engineer Sr Principal, the work you'll do at GDIT will ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (10/01/25)
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  • Sr Principal Engineer Mission Assurance

    Northrop Grumman (Sykesville, MD)
    …DoD Secret Clearance + US Citizenship **Preferred Qualifications:** + Active Secret Security Clearance. + Experience with ISO9001 or AS9100 Quality ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (10/21/25)
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  • Sr DevSecOps Engineer

    Arena Technical Resources, LLC (Tysons Corner, VA)
    … DevSecOps Engineer Location: Tysons Corner, VA, US Job ID: ATR 15991 Job Description Sr . DevDecOps Engineer Security Clearance: - US Citizen with an active Top ... Secret Clearance/SCI is required for this position. This position...of an implementation team. The team members possess DevOps, security , and software engineering skill sets. Everyone wears multiple… more
    Arena Technical Resources, LLC (10/06/25)
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  • Sr . Software Engineer

    Leidos (Gaithersburg, MD)
    **Description** Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security ... technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect...Solutions Business Area, is currently seeking a highly motivated Sr . Software Engineer for the Chinook Program. The Chinook… more
    Leidos (10/05/25)
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