• Expert Security Engineer

    Amentum (Springfield, VA)
    …teams on the A&A Process to include: related security documentation such as systems concept of operations (ConOps), system security design, implementation plans, ... * Participate in IAVA Testing and provide recommendations of baseline acceptance of system patches * Ensure STIG compliance and mitigation * Ensure and… more
    Amentum (11/14/25)
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  • Senior Cyber Security Engineer

    CACI International (Norfolk, VA)
    …such as the AEGIS, Aegis Ballistic Missile Defense (BMD) and Ship Self Defense System (SSDS) Integrated Combat Systems . **What You'll Get to Do:** The successful ... in-house and external customers. + Designs, develops, or recommends integrated system solutions ensuring proprietary/confidential data and systems are protected… more
    CACI International (10/18/25)
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  • Cybersecurity Managing Consultant-Energy Providers

    Guidehouse (Mclean, VA)
    …+ Protect OT environments such as EMS, SCADA, DCS, and other industrial control systems within the Bulk Electric System . + Maintain data integrity, availability, ... with securing OT environment such EMS, SCADA, DCS, and other industrial control systems within the Bulk Electric System . + Ensures integrity, availability, and… more
    Guidehouse (11/14/25)
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  • Transition Engineering and QHSE Manager

    CBRE (Richmond, VA)
    …You will leverage your deep expertise in electrical, mechanical, and fire protection systems , as well as QHSE best practices, to provide technical leadership during ... site, resulting in a proactive approach to hazard identification and mitigation . *Client Contract Review: Review and analyze existing site documentation, including… more
    CBRE (09/24/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …be responsible for providing technical expertise to design and implement DDoS Mitigation for Lumen Federal Customers. This position will provide subject matter ... detection, triage of security events and alerts in associated monitoring systems . Facilitates the ingress, implementation, and egress of advanced client trouble… more
    Lumen (12/10/25)
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  • EHS Due Diligence & Remediation Manager, Due…

    Amazon (Arlington, VA)
    …during our renovation activities. Oversee design and installation of sub-slab depressurization systems and/or other mitigation such as enhanced ventilation as ... historical reports, regulatory agency assessments, health-risk assessments and vapor mitigation plans. Evaluate and investigate potential exposure risks from… more
    Amazon (10/10/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    Join a fast growing agile small company that delivers cutting edge cybersecurity and system integration services to the US National Security market. We are seeking a ... motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national security systems . Tau Six,… more
    Tau Six (10/22/25)
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  • Insider Threat Program Hunt Team Analyst

    Leidos (Springfield, VA)
    …network traffic to identify patterns of insider threat behavior. + Identify mitigation strategies to assist the investigative team in effectively reducing insider ... of 4 years demonstrated knowledge of the intelligence cycle, analytic techniques, systems , processes, and organizations. + Minimum of 4 years demonstrated knowledge… more
    Leidos (12/12/25)
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  • ISSO - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** ISSO, System Security,Xacta (Platform) **Experience:** 8 + years of related experience **US ... experienced ISSO capable of working within Greenlight and assigned onsite Information System Security Managers to maintain and renew system security… more
    General Dynamics Information Technology (12/11/25)
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  • Cyber Security Engineer Lead

    ManTech (Springfield, VA)
    …reporting of cyber threats, intrusions, anomalous activities, and potential misuse of systems . This role supports the protection of customer's digital assets and ... Identify, assess, and report potential cyber-attacks, intrusions, and abnormal system behaviors. Participate actively in incident response and recovery activities.… more
    ManTech (12/11/25)
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