• Senior Cyber Consultant - ISSO /ISSM

    Guidehouse (Washington, DC)
    **Job Family** **:** Cyber Consulting **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Secret **What You Will Do** **:** + Apply fundamental ... NIST Cybersecurity Framework (CSF) guidelines, standards, and best practices for cyber security and risk management to strengthen an organizations security posture.… more
    Guidehouse (10/27/25)
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  • Information System Security Officer ( ISSO

    Lockheed Martin (Hanover, MD)
    **Description:** Lockheed Martin is a pioneer in cyber security-partnering, innovating, and building cutting edge solutions\. Our talented employees tackle the ... \(RMS\) division is seeking an experienced Information System Security Officer \( ISSO \) to protect mission critical information systems\. This role ensures… more
    Lockheed Martin (10/18/25)
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  • Information System Security Officer( ISSO )

    Nightwing (Annapolis Junction, MD)
    cyber hygiene and mitigating vulnerabilities. Compliance and Assessment: Lead cybersecurity compliance assessments per USG directives and corporate policies, ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission...we've got what you're looking for! We seek an ISSO to join our Cybersecurity team. As an … more
    Nightwing (10/28/25)
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  • SP28 Senior Information Systems Security Officer…

    Amentum (Crane, IN)
    Amentum is looking for a Sr. Information System Security Officer ( ISSO ) to support Program Offices within Department of Defense Strategic Systems Programs (SSP). The ... ISSO will support non-enterprise information systems of large-scaled programs...will provide direct support to the Program Office Technical Lead onsite at NSWC Crane and will be expected… more
    Amentum (09/22/25)
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  • Information Systems Security Officer ( ISSO

    CACI International (Sterling, VA)
    Information Systems Security Officer ( ISSO ) Lead Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... is seeking an experienced and proactive Information Systems Security Officer Lead to manage our organization's information security efforts. The successful candidate… more
    CACI International (10/25/25)
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  • Local Defender - Cybersecurity ( ISSO

    COLSA Corporation (Kingsport, TN)
    …The Local Defender serves as a critical cybersecurity role that combines ISSO responsibilities with traditional Security Operations Center (SOC) and Threat Analyst ... procedural safeguards based on RMF controls. The preferred candidate is an experienced ISSO with in-depth knowledge of NIST 800-53 controls, RMF lifecycle steps, and… more
    COLSA Corporation (09/13/25)
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  • Information Systems Security Officer ( ISSO

    General Dynamics Information Technology (Herndon, VA)
    …SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Information Security,Information Technology ... Yes **Job Description:** Own the opportunity as an Information Systems Security Officer ( ISSO ) and help ensure the mission is never interrupted. At GDIT, we deliver… more
    General Dynamics Information Technology (09/10/25)
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  • Senior Information System Security Officer…

    Innovative Management & Technology Services (Clarksburg, WV)
    …in information systems security, with at least 3 years in a senior-level or lead ISSO role supporting federal or state government agencies. + Strong working ... Company Overview: Join a fast-growing company highly experienced in cyber security, cloud computing, virtualization, big data analytics, and project management! IMTS… more
    Innovative Management & Technology Services (10/29/25)
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  • Cybersecurity - Information System Security…

    The Boeing Company (Berkeley, MO)
    …is currently seeking a highly motivated **Cybersecurity - Information System Security Officer ( ISSO )** to join their team in Berkeley, MO or Hazelwood, MO. The ... activities and Boeing customers throughout multiple classified computing domains. The ISSO is responsible for maintaining and implementing all Information System… more
    The Boeing Company (11/21/25)
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  • Information System Security Officer ( ISSO

    CGI Technologies and Solutions, Inc. (Philadelphia, PA)
    **Information System Security Officer ( ISSO III)** **Category:** Cyber Security **Main location:** United States, Pennsylvania, Philadelphia **Position ID:** ... Description:** Position Description We're looking for Information System Security Officers ( ISSO III) candidates ready to step into a mission-critical role… more
    CGI Technologies and Solutions, Inc. (11/13/25)
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  • Information Systems Security Officer ( ISSO

    Lockheed Martin (Orlando, FL)
    …Lockheed Martin is seeking a seasoned **Information Systems Security Officer \( ISSO \)** to safeguard our systems against emerging threats and ensure strict ... cycle\. **Key Responsibilities** * **Compliance & Regulatory Assessments** - Lead periodic regulatory assessments, validate system security requirements, and create,… more
    Lockheed Martin (10/25/25)
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  • Information System Security Officer ( ISSO

    Parsons Corporation (Chantilly, VA)
    …what's possible. **Job Description:** Parsons is looking for a talented **Level 2** ** ISSO ** to join our growing team! In this role you will develop, maintain, ... expertise in job family. + Contributes to and may lead the planning and implementation of large programs in...Management experience + Ability to coach and develop junior ISSO 's **Security Clearance Requirement:** An active Top Secret SCI… more
    Parsons Corporation (11/07/25)
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  • Senior Information Systems Security Officer…

    Watershed Security (Philadelphia, PA)
    …assessments to identify and mitigate risks to information systems. + Lead cyber -incident-response efforts, including isolating affected systems, conducting ... experiencing. Watershed is looking for a Senior Information Systems Security Officer ( ISSO ) to support the Naval Surface Warfare Center (NSWC) in Philadelphia, PA.… more
    Watershed Security (10/03/25)
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  • Senior Cyber Security SME

    Steampunk (Mclean, VA)
    …Leadwith an appetite for taking on new challenges. **Contributions** The ** ISSO Team Lead ** serves as a Lead Cyber Security Specialist and will perform ... level III ISSO and/or ISSO support responsibilities as well as Team Lead responsibilities to include: + Leading a team of ISSOs includingprioritizing… more
    Steampunk (10/01/25)
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  • Sr. Specialist Cyber Infrastructure…

    L3Harris (Carlsbad, CA)
    …+ Prior experience serving as Information System Security Manager (ISSM) or lead ISSO supporting multiple classified enclaves under DCSA oversight. + ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...seeking a highly skilled and experienced and security-conscious Senior-level ISSO to join our team in Carlsbad, CA. The… more
    L3Harris (11/01/25)
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  • Senior Cyber Security Engineer

    CACI International (Norfolk, VA)
    …on the beautiful eastern shore of Virginia (Accomack County) at Wallops Island. As a Lead Cyber Security Engineer and certified Naval Validator, you will be an ... information, ensuring its confidentiality, integrity, and availability. **You will be the Cyber Security Team Lead responsible for:** ** Cyber Security**… more
    CACI International (10/18/25)
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  • Senior Specialist, Cyber Intelligence

    L3Harris (Palm Bay, FL)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, ... Cyber Intelligence Job Code: 29561 Job Location: Palm Bay, FL Job Description: Performs ISSO duties under the guidance of the Information System Security Manager… more
    L3Harris (10/03/25)
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  • Cyber Security Engineer

    BigBear.ai (WA)
    …is seeking a Cyber Security Subject Matter Expert (SME) to lead security and compliance efforts for enterprise production systems in a dynamic, cloud-based ... secure, scalable, and resilient solutions across the program. As a Cyber SME, you'll collaborate with cross-functional teams-including Development, Cloud, and… more
    BigBear.ai (11/14/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …security concepts in classified settings. We seek a proactive individual to lead efforts in integrating security into large engineering projects and acquisition ... planning, policies, procedures, governance, management, protection, detection, mitigation, and cyber and military operations. Strong verbal and written communication… more
    The MITRE Corporation (11/08/25)
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  • Information System Security Manager (ISSM)

    Linchpin Solutions, Inc. (Quantico, VA)
    …C2 Systems and Computer Networks mission. Key relationships include: + MOCTT Lead /PM-Provides top-level oversight and program direction; the ISSM/ ISSO ensures ... VA; routine travel to <20%, CONUS/OCONUS Role Overview: The ISSM/ ISSO provides enterprise-wide cybersecurity oversight, compliance management, and accreditation… more
    Linchpin Solutions, Inc. (11/22/25)
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