• Security Guard - Armed Flex Secret Cleared

    Allied Universal (Manassas, VA)
    Allied Universal(R), North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a ... to a culture that positively impacts the communities and customers we serve. As a ** Security Guard - Flex Armed Telecom Patrol** in **Manassas, VA** , you will serve… more
    Allied Universal (01/10/26)
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  • Program Security Officer 3

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Program Security Officer 3** (PSO 3) to join our team in **Chantilly, VA.** **Responsibilities include ... but not limited to:** + Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different… more
    ManTech (01/09/26)
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  • Security Engineer, Corporate Services…

    Amazon (Arlington, VA)
    Description Corporate Services Security (CPSS) is the Amazon security team aligned with Finance & Global Business Services (FGBS), People eXperience & Technology ... and enable our stakeholders to innovate, build, and scale securely. The Product Security Team within CPSS supports a large number of applications built using AWS… more
    Amazon (01/09/26)
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  • Cyber Security Specialist (ISSO)

    CACI International (Ashburn, VA)
    …threat remediation + Address Cybersecurity issues to help maintain Continuity of Operations Plans (COOP) + Perform information security vulnerability testing and ... Cyber Security Specialist (ISSO) Job Category: Information Technology Time...The Cybersecurity Specialist with both strong cybersecurity and network security delivery skills will need to have a deep… more
    CACI International (01/08/26)
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  • Security Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …and vulnerabilities in this digital age. TDI has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. ... The Security Engineer will need to be a self-starter with...repeatable tasks and installations + Extensive knowledge of server operations and maintenance + Understanding of cloud terminology, architecture,… more
    Tetrad Digital Integrity LLC (01/08/26)
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  • Information System Security Office (ISSO)

    Leidos (Chantilly, VA)
    …isaLeidos ownedcompany,forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced ... threats and build the next capabilities. **Job Description:** The Information System Security Officer (ISSO) is responsible for maintaining the security posture… more
    Leidos (01/07/26)
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  • Cleared Cloud Security /ATO Architect

    Virtual Service Operations (Reston, VA)
    Cleared Cloud Security /ATO Architect * Reston, VA (http://maps.google.com/maps?q=Reston+VA+USA) Description Are you looking to take the next steps in your career as ... a Cleared Cloud Security /ATO Architect? Let's chat and see if we are...if we are a good match! Opportunity: Virtual Service Operations is currently seeking a talented individual with an… more
    Virtual Service Operations (01/04/26)
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  • Cyber Security Engineer IV

    SOS International LLC (Reston, VA)
    …tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** SOSi is seeking an experienced ... in Reston, VA. This role strengthens SOSi's enterprise and customer-facing security posture across on-prem, Microsoft 365/Azure, and multi-cloud environments (AWS,… more
    SOS International LLC (12/31/25)
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  • Network Security Engineer

    System One (Arlington, VA)
    Job Title: Network Security Engineer Location: Hybrid - Arlington, Virginia End Client: FDIC Type: Contract To Hire Compensation: $70/HR - only W-2 Contractor Work ... Model: Hybrid Public Trust Responsibilities: The Network Security Engineer role requires extensive Palo Alto Panorama, Firewalls, and Global Protect experience,… more
    System One (12/26/25)
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  • Network Security Engineer/Architect

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is seeking a highly specialized F5 Big-IP Network Security Engineer/Architect to serve as the subject matter expert for our application delivery ... and security infrastructure. This role is centered on designing, implementing...Assist in implementing and troubleshooting certificate-based authentication (TLS/SSL, OpenSSL operations and PKI infrastructure) + Conduct deep-dive traffic analysis… more
    GovCIO (12/24/25)
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