• Senior Systems Security

    TekSynap (Dahlgren, VA)
    **Responsibilities & Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** **s Security Engineer ** **.** The Senior Systems Security ... posture. **RESPONSIBILITIES** + Develop and implement cybersecurity engineering and system security plansin accordance withDoD and Navy policies. + Conduct … more
    TekSynap (10/31/25)
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  • Senior Systems Security

    EPS Corporation (Dahlgren, VA)
    Senior Systems Security Engineer - (760) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Security Engineer ... EPS Corporation Company is seeking a highly skilledSenior Systems Security Engineerto provide expert-level cybersecurity and systems protection support within… more
    EPS Corporation (11/13/25)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take ... the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match! Opportunity: We are building a team… more
    Virtual Service Operations (11/09/25)
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  • Senior Information System Security

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.** ... an IS and Network Environment. + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design … more
    ManTech (11/12/25)
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  • Senior Information Systems Security

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior ** **Information Systems Security Engineer ** for a program with the US Coast Guard. This position will be ... $185,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7062/ senior -information-systems- security - engineer -%28sme%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID**… more
    GovCIO (11/07/25)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in the **Chantilly, VA.** ... documents (as needed), engineering documents, change management documents, system security plans, and accreditation documents + Deliver a comprehensive Splunk… more
    ManTech (10/24/25)
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  • Network Engineer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform ... technology into opportunity as a **Network Engineer Senior ( Security )** at GDIT. Shape what's next for mission-critical government projects while shaping… more
    General Dynamics Information Technology (09/09/25)
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  • Senior Security Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …None - None - None **Experience:** 5 + years of related experience **Job Description:** ** Senior Security Administrator** Own your career as a Senior ... cyber defense using cutting-edge technologies. Your work in cyber security at GDIT will have an impact on securing...our differentiator. We are seeking a highly skilled Cyber Security Analyst Advisor to join our team. The ideal… more
    General Dynamics Information Technology (11/13/25)
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  • Senior Security Systems…

    Imagine One Technology & Management (Dahlgren, VA)
    …role.** Imagine One Technology & Management, Ltd. is seeking four (4) ** Senior Security Systems Engineers** with specific experience working with ... of the associated work and will be performed in Dahlgren, Virginia. The ** Senior Security Systems Engineers** will be expected to: + Author DoD Assessment and… more
    Imagine One Technology & Management (09/30/25)
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  • Senior Information System Security

    Leidos (Alexandria, VA)
    …Digital Modernization Sector at Leidos is seeking a dynamic **Information Systems Security Engineer (ISSE)** to support cloud modernization initiatives for the ... such as CCSP, AWS Certified Security - Specialty, or Azure Security Engineer required. + Excellent facilitation, communication, and stakeholder engagement… more
    Leidos (10/18/25)
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  • Sr. Security Research Engineer

    Proofpoint (Alexandria, VA)
    …role has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint's Threat Research team, ... more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the… more
    Proofpoint (10/22/25)
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  • Network Security Engineer

    General Dynamics Information Technology (Alexandria, VA)
    …your career while impacting our national security in cyber as a **Network Security Engineer Senior ** at GDIT. Here, technologists have many paths to ... the federal government. We are seeking a dedicated and knowledgeable **Network Security Engineer Senior ** to join our dynamic team. The ideal candidate… more
    General Dynamics Information Technology (11/05/25)
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  • Palo Alto Prisma Engineer - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …. **Position Description:** CGI Federal is seeking a Senior Network Security Architect/ Engineer with ... **Palo Alto Prisma Engineer - US Citizenship Required** **Category:** Cyber ... Engineer - US Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Position ID:**… more
    CGI Technologies and Solutions, Inc. (09/04/25)
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  • Security Engineer

    Arena Technical Resources, LLC (Alexandria, VA)
    …Remote Eligibility: Candidate must possess an MBI (T2) clearance Job Description: As a Network Security Engineer Senior , the work you'll do will be impactful ... TO SUCCEED Bring your cyber expertise and drive for innovation. The Network Security Engineer Senior must have: * Education: Bachelor of Science *… more
    Arena Technical Resources, LLC (10/28/25)
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  • NCIS Network Engineer | Active TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …expertise along with a drive for innovation to GDIT. The Senior Network Engineer must have: + ** Security Clearance Level:** Active Top Secret clearance with ... Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Network Engineer ** at GDIT. Shape what's next for… more
    General Dynamics Information Technology (11/14/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineer - Strategic Planner (TS/SCI w/ CI Poly Required) ... Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer - Strategic Planner....of our positions require the ability to obtain a security clearance. Security clearances may only be… more
    L3Harris (10/16/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …sea and cyber domains in the interest of national security . Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly Required) ... Technologies is seeking a Watch Officer to support a critical National Security Program. The successful candidate will join a high-performing team of government… more
    L3Harris (10/15/25)
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  • Principal /Sr. Principal Cyber Systems…

    Northrop Grumman (Fairfax, VA)
    …to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not required at the time of ... Engineer level. **Basic Qualifications for a Principal Cyber Systems Engineer :** + A security clearance is not required at the time of application. Employment… more
    Northrop Grumman (08/22/25)
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  • Data Engineer (AI) Senior

    SMX (Fort Belvoir, VA)
    Data Engineer (AI) Senior Engineer (4798) (TS/SCI) (Ft. Belvoir, VA - Nolan Bldg)at SMX(View all jobs) (https://www.smxtech.com/careers/) Fort Belvoir, VA ... SMX is seeking a **Data Engineer (AI) Senior Engineer ** to...mission leadership to align data capabilities with operational outcomes, security , and governance. **This is a full-time onsite position… more
    SMX (11/08/25)
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  • Network Access Control Engineer

    General Dynamics Information Technology (Alexandria, VA)
    …while impacting our national security in cyber as a **Network Access Control Engineer Senior ** at GDIT. Here, technologists have many paths to grow a ... seeking a highly skilled and experienced **Network Access Control Engineer Senior ** with specialized knowledge in Cisco...Science Experience:** 5+ years of related experience in network engineer and security , with a focus on… more
    General Dynamics Information Technology (10/14/25)
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