• 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 **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment... concepts + An active IAT Level II (GSEC, Security +, SSCP, or CCNA- Security ) certification more
    ManTech (12/13/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber Security ... environments + Perform Linux-based system upgrades and patches + Engineer and deploy a Multi-Factor Authentication (MFA) solution +...have or be willing to obtain IAT Level II certification within 6 months of hire (eg, Security more
    ManTech (12/11/25)
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  • Application Security Engineer

    Steampunk (Mclean, VA)
    **Overview** As a **Web Application Security Engineer ** , you will provide technical expertise and solutions to remediate persistent and challenging ... Steampunk participates in the E-Verify program._ Refer a Friend (https://careers-steampunk.icims.com/jobs/7252/application- security - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help finding the right job?**… more
    Steampunk (12/31/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …help shape the future of cybersecurity. **Role** We are looking for a Staff Information Security Engineer to join our Engineering team. This is a fully onsite ... Engineering. You will operate as a vulnerability management engineer inside the US Federal IL6 (SCIF) environment. This...Out (Preferred Qualifications)** + DoD 8570/8140 IAT Level II certification such as Security + CE, GSEC, SSCP,… more
    Zscaler (01/10/26)
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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 ... and enhance NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working with truly cutting-edge technologies, on… more
    CACI International (11/14/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you...+ Must have DoD 8570 IAT II or higher certification ( Security + CE or equivalent) prior to ... will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts...start + Must obtain a DOD-8570 CSSP Infrastructure Support certification within 6 months of start Required Qualifications: +… more
    Leidos (11/15/25)
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  • Federal Incident Response Lead (Principal…

    Zscaler (Mclean, VA)
    …of cybersecurity. We are looking for a Federal Incident Response Lead (Principal Information Security Engineer ) to join our team. This is a full-time onsite role ... Crystal City, VA, reporting to the Director of Federal Security Operations within the Enterprise Security department....or be able to obtain advanced DoD 8140 DCWF certification + Experience operating in US government cloud regions… more
    Zscaler (01/11/26)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …We are looking for a Federal Security Platforms Lead (Principal Information Security Engineer ) to join our Enterprise Security team. This is ... or be able to obtain advanced DoD 8140 DCWF certification + Expertise automating security workflows with...DoD 8140 DCWF certification + Expertise automating security workflows with Python or PowerShell, including SOAR playbooks,… more
    Zscaler (01/11/26)
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  • Data Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    Data Security Engineer Key Role: Architect, deploy, and...HS diploma or GED + Ability to obtain a Security + Certification within 9 months of start date ... Qualifications: + 3+ years of experience designing, deploying, and configuring data security solutions + Experience with data security and performing systems… more
    BOOZ, ALLEN & HAMILTON, INC. (01/04/26)
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  • Information Systems Security

    TekSynap (Chantilly, VA)
    … Engineerto join our team supporting the Space Development Agency. The Information Systems Security Engineer will act as liaison to prepare, review and update ... **Responsibilities & Qualifications** **RESPONSIBILITIES** + TheInformation Systems Security Engineeris expected tobe able to: + Support Engineering and Operations… more
    TekSynap (12/06/25)
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