• Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support our federal… more
    St. George Tanaq Corporation (11/18/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …system and organizational security posture trends and report findings to the ISSM/ ISSO . + Recommend cybersecurity measures based on significant threats and ... Cleared Senior Information Systems Security Engineer (ISSE) L4 *...building a team of highly qualified professionals specializing in Cybersecurity , Cloud, and Systems Engineering to support the development… more
    Virtual Service Operations (11/09/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …SPL, data onboarding, and creating visualizations. + Knowledge of emerging IT and cybersecurity technologies. + Proven ability to advise senior leadership on ... the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference… more
    The MITRE Corporation (11/08/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …Qualifications** + **Frameworks & Tools** + Experience with **Joint Cybersecurity Authorization Management (JCAM)** and/or **Xacta** . + **Certifications** + ... **Education** + Bachelor's or advanced degree in **Computer Science, Cybersecurity , or a related IT discipline** . **RESPONSIBILITIES** **Position Responsibilities**… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk analysis, incident response, system ... Mapper (NMAP), and/or similar applications. + Preferred: Experience with Joint Cybersecurity Authorization Management (JCAM) and/or Xacta + Preferred: Hold at least… more
    TekSynap (11/30/25)
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  • Senior Information Security and Privacy…

    Tyto Athene (Washington, DC)
    **Description** Tyto Athene is hiring a ** Senior Information Security and Privacy Officer** (ISPO) to support a law enforcement customer in Washington, DC. The ... **Required:** + 8+ years of professional experience with at least 5 years supporting ISSO RMF activities. + Bachelor's Degree or 4 years of additional experience in… more
    Tyto Athene (12/23/25)
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  • Senior Information System Security Officer

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Officer ( ISSO )** to join our team in **Washington, DC** . ... school diploma/GED and 7 years' experience, a bachelor's degree in computer science cybersecurity or a related discipline and five years' experience, or a master's… more
    ManTech (12/11/25)
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  • IT Configuration Manager/ Senior -Level IT…

    Koniag Government Services (Arlington, VA)
    …LLC,** a Koniag Government Services company, is seeking an IT Configuration Manager/ Senior -Level IT Subject Matter Specialist with a Secret clearance to support PAC ... of Action and Milestones (POA&M) for multiple networks and coordinate with the ISSO to provide evidence of completion. + This includes coordinating meetings with… more
    Koniag Government Services (11/12/25)
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  • Senior Information Systems Security Officer

    Synergy ECP (Annapolis Junction, MD)
    Senior Information Systems Security Officer Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching for cleared ... a minimum of 7+ years of experience as an ISSO supporting IC or DoD programs and contracts of...dedicated staff provide a broad range of services in cybersecurity , software, data transport solutions, systems engineering, and IT… more
    Synergy ECP (11/06/25)
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  • Information Systems Security Engineer (ISSE)

    Nightwing (Sterling, VA)
    …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 selected candidate will sustain and… more
    Nightwing (11/25/25)
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