• Cyber Security Operations…

    William C Brown Inc (Springfield, VA)
    Cyber Security Operations Specialist II EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive ... or any other characteristic protected by law. Description WCBinc is looking for a Cyber Security Operations Specialist II to operate and manage all… more
    William C Brown Inc (08/16/25)
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  • Cyber Security Operations…

    System One (Springfield, VA)
    Job Title: Cyber Security Operations Specialist / Intrusion Detection (Top Secret/SCI) SHIFT WORK Location: Springfield, Virginia Type: Direct Hire ... Contractor Work Model: Onsite Security Clearance: Active Top Secret/SCI Cyber Security Operations Specialist Springfield, VA or St. Louis TS/SCI… more
    System One (08/08/25)
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  • Cyber Security Operations…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist - CSOC (Tiers 1, 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to ... Transport & Cybersecurity Services (TCS) program is actively hiring TS/SCI cleared Cyber Security Operations Specialists to join our CSOC Tiered Services… more
    CACI International (08/11/25)
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  • Cyber Security Operations…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI ... Systems, Cybersecurity, or related field + Minimum 5 years' experience in Cyber Security (CSOS). Additional years of experience may be used in place of… more
    CACI International (08/23/25)
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  • Senior Cyber Security…

    RP Pro Services (Washington, DC)
    …the foundation on which we are built! RP Professional Services is seeking a Senior Cyber Security Specialist to support and advise security professionals ... least one of the following cybersecurity domains: + Risk/Vulnerability/Threat Assessments + Cloud Security + Security Operations + Firewall (FW), Intrusion… more
    RP Pro Services (08/02/25)
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  • Cyber Security Engineering…

    William C Brown Inc (Springfield, VA)
    Cyber Security Engineering Specialist III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... William C. Brown, Inc (WCBinc) is looking for a Cyber Security Engineering Specialist III...the daily CSOC Significant Activity Report, the daily CSOC Operations Update, and the Weekly CSOC Status Report +… more
    William C Brown Inc (06/22/25)
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  • Senior Cyber Security SIEM…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Cyber Security SIEM Specialist ** to join our team in the DC, Maryland, and Virginia ... In this role you will be an expert in Security Information and Event Management (SIEM) systems, responsible for...solutions to protect DHS's networks and information systems from cyber threats. **Responsibilities include, but are not limited to:**… more
    ManTech (09/01/25)
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  • Cyber Defense Specialist

    MIT Lincoln Laboratory (Fort Meade, MD)
    …to work both independently and collaboratively on difficult, open-ended problems in cyber security and operations with interdisciplinary technical teams. ... and help defend the nation in cyberspace! In the Cyber Operations & Analysis Technology Group at...technical specialist position contributing to R&D in cyber security . Applicants looking for roles conducting… more
    MIT Lincoln Laboratory (08/21/25)
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  • Cyber Security Specialist…

    CACI International (Ashburn, VA)
    Cyber Security Specialist (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... Travel: Local * * * **The Opportunity:** The Cybersecurity Specialist with both strong cybersecurity and network security...+ Address Cybersecurity issues to help maintain Continuity of Operations Plans (COOP) + Perform information security … more
    CACI International (09/05/25)
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  • Senior Specialist , Systems Engineer…

    L3Harris (Springfield, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist , Systems Engineer - Cyber Planning (Active ... for a Senior Specialist , Systems Engineer - Cyber Planner supporting a critical national security ...role involves contributing to cross-functional planning efforts to ensure cyber operations are effectively synchronized across all… more
    L3Harris (07/02/25)
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