• Electrician

    Parsons Corporation (Arlington, VA)
    …maintaining, and reporting on equipment in the field. + Reviews compliance with security standards, and provides unique technical security solutions when needed. ... by domestic DoS groups and overseas staff. + Provides training for post personnel and assists with the development...have a current US Government final TOP SECRET Personnel Security Clearance and be able to qualify for SCI… more
    Parsons Corporation (07/18/25)
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  • Senior Web Application Penetration Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    …and production. The candidate will utilize threat modeling, white box application security analysis, and grey box penetration testing. This position will collaborate ... with software development teams, DevOps, and security to drive and shape the way our employees...invests in your professional and academic growth with internal training , and tuition reimbursement. Our benefits package includes (but… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Lead Network Engineer- Palo Alto Firewalls

    CoStar Realty Information, Inc. (Arlington, VA)
    …deployment, configuration, management, and ongoing improvement of our firewall and network security posture. This position can be based in **Arlington, VA** or ... App-ID and User-ID to enhance performance, reduce complexity, and maintain security standards. + Lead firewall upgrades, migrations, and hardware refresh projects.… more
    CoStar Realty Information, Inc. (06/19/25)
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  • Cloud Engineer

    KBR (Herndon, VA)
    Title: Cloud Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role -… more
    KBR (06/19/25)
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  • Information Assurance Specialist

    Cambridge International Systems Inc (Norfolk, VA)
    …Qualified candidates for this job must possess a current DoD TS/SCI security clearance. This position is contingent upon contract award. Anticipated start date ... to NASA customers in support of network and information security systems. + Designs, develops and implements security...Life/AD&D/STD/LTD insurance + 401(k) matching and immediate vesting + Paid time off and holidays + Generous tuition &… more
    Cambridge International Systems Inc (06/06/25)
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  • Network Engineer (Expert)

    BAE Systems (Herndon, VA)
    …and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the ... and provide our employees with the tools, skills and training they need to succeed. We are all about...to lead the world in defense technologies and national security services. We offer flexible work environment to support… more
    BAE Systems (07/23/25)
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  • Manager, Sales Engineering-Cybersecurity & Risk…

    Mastercard (Arlington, VA)
    …to dramatically improve their Enterprise Risk Management and Information Security programs. Mastercard Enterprise Cyber Solutions includes a growing suite ... of Concept (PoC) engagements) and proactively drive prospect interaction. Provide product training , either online or in person, as needed to support sales prospects… more
    Mastercard (08/09/25)
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  • Cyber Strategy & Management Manager

    Grant Thornton (Arlington, VA)
    …needs by applying a collection of information and cybersecurity capabilities, including security and privacy, strategy, governance, IT risk, security testing, ... capability assessments, cyber threat and risk assessments, network and security architecture reviews, compliance and regulatory assessments, and system configuration… more
    Grant Thornton (07/15/25)
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  • Network Engineer 3

    M. C. Dean (Chantilly, VA)
    …for the better. We are seeking a **Network Engineer 3** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business ... team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric… more
    M. C. Dean (07/15/25)
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  • Lenel System Administrator 2

    M. C. Dean (Norfolk, VA)
    …better. We are seeking a **Lenel System Administrator 2** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic ... team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric… more
    M. C. Dean (07/15/25)
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