• Information System Security Eng ( ISSE

    Global Resource Solutions (Arlington, VA)
    …Engineer III. Job Description: Summary: The Information System Security Engineer ( ISSE ) III, is primarily responsible for conducting information system security ... and developing organizational information systems or upgrading legacy systems. The ISSE employs best practices when implementing security requirements within an… more
    Global Resource Solutions (12/19/25)
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  • Information Systems Security Engineer (Senior)-…

    BAE Systems (Sterling, VA)
    …to improve our future and protect our freedom. We are looking for an ISSE to join our technology-based program supporting a key government customer. This program ... more discipline, but can be waived if previous direct ISSE support to this customer s agency. Specific skills...a basic understand needs to be conveyed by the ISSE when speaking with others or in writing the… more
    BAE Systems (11/21/25)
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  • Information Systems Security Engineer…

    Nightwing (Sterling, VA)
    …and reward system, and performance-based bonuses **Information Systems Security Engineer ( ISSE ) (Open)** Nightwing seeks a cybersecurity professional to serve as an ... ISSE in Sterling, VA. The ISSE will help execute the cybersecurity program as various USG doctrines require, including the ICD 503 and its supplements. The… more
    Nightwing (11/25/25)
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  • Cleared Information Systems Security Engineer…

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer ( ISSE ) L3 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the next steps ... in your career as an Information Systems Security Engineer ( ISSE )? Let's chat and see if we are a...enterprise services and cyber network defense capabilities. As an ISSE , you will be responsible for conducting security assessments,… more
    Virtual Service Operations (01/02/26)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer ( ISSE ) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the ... in your career as an Information Systems Security Engineer ( ISSE )? Let's chat and see if we are a...network defense capabilities. As aSenior Information System Security Engineer ( ISSE ), you will provide expert engineering support to ensure… more
    Virtual Service Operations (11/09/25)
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  • Information Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer ( ISSE ) - Senior** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** ... Time **Position Description:** CGI Federal has an exciting opportunity for an ISSE within our Intel sector advancing the national security mission through cutting… more
    CGI Technologies and Solutions, Inc. (12/26/25)
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  • Information System Security Engineer ( ISSE

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer ( ISSE ) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer ( ISSE ) with Poygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • ISSE

    System One (Reston, VA)
    ISSE TS/SCI CI Poly required Reston, VA or...our dynamic team as an Information System Security Engineer ( ISSE ) and make a direct impact on our customer's ... mission. In this role, you will design, implement, and maintain cutting-edge cybersecurity solutions to ensure the availability and security of critical defense systems. You'll be a vital part of the Risk Management Framework (RMF) lifecycle, contributing to… more
    System One (12/26/25)
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  • ISSE

    CACI International (Springfield, VA)
    ISSE Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up ... of Travel: Local * * * **The Opportunity:** CACI is looking for an ( ISSE ) Information Assurance/Security Specialist III to join our team. This role will performs… more
    CACI International (12/29/25)
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  • Cyber Security Systems Engineer ( ISSE )…

    BAE Systems (Herndon, VA)
    …Experience, & Skills** We are actively seeking an Information Systems Security Engineer ( ISSE ) with a minimum of 11 years' experience with a Bachelor's Degree. Other ... based on position level and/or job specifics. **Cyber Security Systems Engineer ( ISSE ) - Expert** **119794BR** EEO Career Site Equal Opportunity Employer. Minorities… more
    BAE Systems (01/06/26)
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  • Information Systems Security Engineer…

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** The ISSE will support our work on assessment and authorization (A&A) of critical ... systems, detection of adversary behavior, and improving the defensive posture of our customer's information systems. The successful candidate will use various tools and methodologies to evaluate the state of systems and applications for vulnerabilities, verify… more
    General Dynamics Information Technology (01/02/26)
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  • Information System Security Engineer ( ISSE

    GCyber (Alexandria, VA)
    …and Experience: + Active DoD Secret Clearance + Bachelor's with 8+ years of cybersecurity experience (or commensurate experience) + 6+ years of experience supporting ... GCyber is seeking an Information System Security Engineer, to support a government customer. The ISSO will be responsible for maintaining compliance, ensuring operational security posture, and coordinating security documentation and activities across multiple… more
    GCyber (11/04/25)
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  • Program Security Engineer

    SAIC (Chantilly, VA)
    …Contractor Program Security Officers (CPSO) and Information System Security Engineers ( ISSE ). **Qualifications** + Must possess an active TS/SCI clearance with ... with limited direct supervision. **Desired Qualifications:** + Experience working in an ISSM or ISSE role. + Experience working in a PSO role for a Program or… more
    SAIC (12/23/25)
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  • Information Systems Security Engineer

    Nightwing (Sterling, VA)
    …markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer ( ISSE ) to join our DevSecOps team in Herndon. The ISSE will ... work closely with cross-functional teams to ensure systems comply with security policies, standards, and best practices. The position requires hands-on experience implementing security compliance, cloud automation, continuous integration/continuous deployment… more
    Nightwing (12/30/25)
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  • Information System Security Engineer - Senior

    Amentum (Warrenton, VA)
    …so, look no further. Amentum is seeking a Senior Information System Security Engineer ( ISSE ) to join our team of passionate individuals in Warrenton, VA. In this ... The duties and responsibilities of the Senior Information System Security Engineer ( ISSE ) include, but are not limited to, the following: * Experience creating… more
    Amentum (12/05/25)
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  • Information Systems Security Engineer, II

    Parsons Corporation (Fort Belvoir, VA)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented ** ISSE ** to join our team! Your role will include preparing and overseeing ... OR 7+ years of equivalent IT experience + 5 years' experience as ISSE or relatable responsibilities (Work experience may be adjusted for highly specialized knowledge… more
    Parsons Corporation (12/25/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    …diagrams, standard operating procedures, and system documentation. + Coordination with customer ISSE to ensure security accreditation of all project IT systems. This ... includes writing documentation and plans to successfully navigate ICD 503 and customer's unique security requirements. + Troubleshoots and resolves hardware, software, and communications problems. Required qualifications: + **TS/SCI with Polygraph** +… more
    CACI International (12/29/25)
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  • ISSO

    SAIC (Chantilly, VA)
    …+ **7+ years of Information Security experience. Preferrable as an ISSO, ISSE , or DAOR.** + **Demonstrated experience implementing the RMF process, applying NIST ... 800‑53 controls, and developing/maintaining certification and accreditation documentation.** + **Experience with ICD‑503 RMF implementation within the Intelligence Community.** + **Prior experience supporting cybersecurity operations or compliance within the… more
    SAIC (12/20/25)
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  • Information Systems Security Engineer

    TekSynap (Chantilly, VA)
    …and risk acceptance documents for information system vulnerabilities. + Coordinates with engineering ISSE and system SMEs to obtain approval via SDA's RMF process. + ... Conduct reviews of the network, system, application and/or service in accordance with the periodicities set within the Monitoring Strategy of the Security Authorization Package Review and update approved ATO as required or requested in conjunction of auditors,… more
    TekSynap (12/06/25)
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  • Cyber Security Architect

    DCCA (Chantilly, VA)
    …in cyber security and systems architecture. Requesting split support as ISSE /A&A, Strategic, DevSecOps, management and new product evaluation. Required Skills: * ... The Contractor team shall assist the Sponsor shepherd multiple IT systems through the Assessment and Accreditation (A&A) processes. * Demonstrated experience leading security accreditation efforts for enterprise systems. * Demonstrated experience with security… more
    DCCA (11/21/25)
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