• Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …and production environments. Our team of security engineers support enhancements to system security architecture and cyber security capabilities; ... reading! Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing... system security requirements and establishing system security designs for large-scale systems more
    Leidos (09/15/25)
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  • Cloud Computing Specialist (CCS) SME

    ASM Research, An Accenture Federal Services Company (Annapolis, MD)
    security information and automated information systems . + Defines security objectives and system -level performance requirements. + Researches and stays ... obtaining certification and + accreditation of systems . + Reviews processes and security protocols and makes recommendations for increased cyber security more
    ASM Research, An Accenture Federal Services Company (10/12/25)
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  • ISSE Senior - with TS/SCI Poly

    Amentum (Columbia, MD)
    security designs. * Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, ... interested in using your skills to help shape the Cyber , Security , & Intel space? If so,...external systems and architectures. Assesses and mitigates system security threats/risks throughout the program life… more
    Amentum (10/14/25)
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  • Manual Tester

    Leidos (Annapolis Junction, MD)
    …new and exciting opportunity for a **Manual Test Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented ... Engineer ** is needed to perform component, integration, and system level testing by writing and executing system...actions, reporting, and audits. + Must have experience testing systems from existing system and functional specifications.… more
    Leidos (11/11/25)
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  • Staff Solution Consultant

    Trellix (Annapolis, MD)
    …in the planning, deployment, migration, operation, and sustainment of key endpoint security systems comprised of Trellix and third-party technologies. The ... Endpoint Security Engineer (ESE) will report to the...deployment plans, and migration plans to evolve the customer's systems to the next generation capabilities. Candidates should have… more
    Trellix (11/14/25)
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  • Data Team Lead - TS/SCI w/Poly

    Parsons Corporation (Annapolis Junction, MD)
    …to** oversee our Information System Security Officer (ISSO) and Information System Security Engineer (ISSE) functions, manage the overall cloud data ... architecture, and lead a team of system engineers focused on acquiring sensitive cyber ...years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other… more
    Parsons Corporation (09/30/25)
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  • Threat Research Analyst - Black Lotus Labs

    Lumen (Annapolis, MD)
    …the future. **The Role** Black Lotus Labs has an opening for a Senior Lead Security Engineer that will leverage Lumen's unique visibility to hunt and scale ... of the following areas: cybersecurity concepts, network protocols, firewalls, IDS/IPS systems , cyber threat hunting, malware analysis tools and techniques,… more
    Lumen (11/14/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …Description Enlighten is looking for an Information Systems Security Engineer (ISSE). Candidate will perform system or network designs that encompass ... GOTS/COTS software components. + Will use vulnerability management systems , automated security scanning tools, and system accreditation record systems . +… more
    Huntington Ingalls Industries (11/06/25)
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  • Senior Radar SME (Hybrid)

    Parsons Corporation (Aberdeen, MD)
    … + Advisement and engineering technical support + Trade studies + A senior engineer with highly relevant experience in radar systems and technologies, signal ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services… more
    Parsons Corporation (11/15/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …mission excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers (ISSE) in **Fort Meade, MD** to support a ... national security focused customer by providing system security engineering services and/or product to...systems and networks. The ISSE will ensure core security engineering principles are implemented into assigned programs information… more
    SAIC (09/04/25)
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