• Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …Deployment and management of firewalls and IDS/IPS technologies. **Overview** We are seeking a Network Security Engineer III to join our team supporting ... professional Network Engineering experience, with proven expertise in: + Network security design, implementation, and control enforcement. + STIG application… more
    TekSynap (12/30/25)
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  • Network Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Network Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative ... our nation? As a systems security and network security engineer , you will...CND Certification + Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification, including CEH,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/21/25)
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  • Journeyman Network Engineer

    Leidos (Alexandria, VA)
    …matter?** The Digital Modernization Sector at Leidos is seeking a dynamic Journeyman Network Engineer to support cloud modernization initiatives for the United ... that enable operational agility and resilience across the USCG enterprise. As a network engineer , you will have experience designing, securing and operating… more
    Leidos (12/04/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 ... procedures and tactics, techniques, and procedures (TTPs) + Maintain complete and current network and elevation diagrams for all managed security equipment +… more
    Leidos (11/15/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... supporting the National Geospatial-Intelligence Agency's (NGA). Our team of talented Network and Cybersecurity professionals help design, develop, procure,… more
    CACI International (11/14/25)
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  • Cyber operations Readiness Assessment…

    TekSynap (Fort Belvoir, VA)
    …needs. The Network Engineer /Reviewer will conduct in-depth cybersecurity assessments of boundary security devices, network infrastructure, ... also includes implementing Zero Trust principles and validating internal network security measures. As part of a...measures. As part of a DCDC-certified CORA team, the Network Engineer /Reviewer will deliver detailed assessment reports… more
    TekSynap (12/24/25)
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  • Senior Systems Security Engineer

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

    ManTech (Chantilly, VA)
    …but are not limited to:** + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design ... seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in...security architectures for use within the IS and Network Environment. Design and develop cybersecurity -enabled products… more
    ManTech (01/01/26)
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  • ISSO/Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** **ISSO/SYSTEMS SECURITY ENGINEER (RDTE)** Bowhead is seeking a skilled full-time ISSO/Systems Security Engineer to join our team in ... + Knowledge of computer networking concepts and protocols, and network security methodologies. + Knowledge of ...and vulnerabilities. + Knowledge of specific operational impacts of cybersecurity lapses. + Knowledge of host/ network access… more
    UIC Government Services and the Bowhead Family of Companies (12/18/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance - ... positions are required to be onsite. The Senior Computer Network Defense (CND) Engineer tests, implements, deploys,...Analyst (CySA+); or + CompTIA PenTest+; or + CompTIA Security +; or + GIAC Foundational Cybersecurity Technologies… more
    V2X (12/12/25)
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