• Senior Splunk Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented **Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, you ... using centralized management tools + Maintaining and tuning Splunk Enterprise Security (ES) content and performance + Managing knowledge objects, data models,… more
    ManTech (12/30/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... with red-team experts to evaluate IT environments and identify security goals, vulnerabilities, objectives, and requirements + Perform cybersecurity operations… more
    CACI International (11/07/25)
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  • Cyber Security Engineer

    Cinteot (Herndon, VA)
    Cyber Security Engineer (location: Herndon, VA) + TS /SCI with adjudicated CI poly required prior to start + Must have DoD 8570/8140 approved certification ... such as CompTIA Security +, ISC2 CISSP, or equivalent + Identify vulnerabilities and...and provide analysis, guidance, and remediation requirements. + Provide Security Technical Implementation Guide (STIG) hardening guidance. + Complete… more
    Cinteot (01/06/26)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …peer recognition and reward system, and performance-based bonuses **Information Systems Security Engineer (ISSE) (Open)** Nightwing seeks a cybersecurity ... The selected candidate will sustain and positively contribute to our top -tier cybersecurity program by successfully: + Developing and updating RMF documents,… more
    Nightwing (11/25/25)
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  • Cyber Security Project Engineer

    The Metamorphosis Group (Mclean, VA)
    Cyber Security Project Engineer TS /SCI Clearance with FSP REQUIRED McLean, VA . Government/Military Apply Now Description: MUST BE US CITIZEN MUST POSSESS ... ACTIVE TS /SCI with FSP - candidates without required clearances cannot...Systems Security Professional (CISSP), Certified Information System Security Engineer Professional (ISSEP), Certified Information … more
    The Metamorphosis Group (12/10/25)
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  • Lead, Information Security Systems…

    L3Harris (Ashburn, VA)
    …cyber domains in the interest of national security . Job Title: Anti-Tamper System Security Engineer ( Secret Security Clearance) Job Code: 30715 Job ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST...years of prior related experience. + Minimum of Collateral Secret security clearance required. + Minimum of… more
    L3Harris (11/01/25)
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  • Security Policy Engineer

    SAIC (Springfield, VA)
    **Description** SAIC is looking for a qualified Security Engineer (ISSO) to join an exciting program in Springfield, Virginia. Individual will be responsible for ... providing systems security support for the protection of multi-level information system...complete rapid turn-around and short-suspense tasks. **Qualifications** + Active TS /SCI is required. + Ability to obtain a polygraph.… more
    SAIC (12/18/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity ... Manage high-priority tasks and outages + Maintain, develop, and improve Security Infrastructure standard operating procedures and tactics, techniques, and procedures… more
    Leidos (11/15/25)
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  • Cyber Security Project Engineer

    General Dynamics Information Technology (Mclean, VA)
    …RQ211338 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... opportunity to make a personal impact as a Cyber Security Project Engineer supporting customer activities. GDIT...Amazon and Microsoft Azure + Understanding of FISMA + ** Security Clearance Level** : TS /SCI with active… more
    General Dynamics Information Technology (12/17/25)
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  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …graduates. + Bachelor's degree desired Security Requirements: + Active DoD Top Secret clearance required Imagine One Technology & Management, Ltd., offers ... role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the associated work… more
    Imagine One Technology & Management (12/24/25)
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