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891 information system security officer jobs found

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Odyssey Systems Consulting Group
Aug 28, 2026
Full time
Information System Security Officer
Odyssey Systems Consulting Group Ogden, UT
Position Summary Odyssey has an exciting opportunity for a Journeyman Information System Security Officer (ISSO) supporting the Air Force Life Cycle Management Center Armament Directorate Munitions Division (AFLCMC/EBH) at Hill AFB, UT .    This role supports the protection, accreditation, and ongoing security posture of Air Force information systems. In this role, you will work closely with the Information System Security Manager (ISSM) to ensure systems meet all DoD and Air Force cybersecurity requirements, align with the Risk Management Framework (RMF), and maintain the confidentiality, integrity, and availability of critical networks and data. You will conduct risk assessments, support accreditation activities, evaluate system security controls, and help enforce policies, configurations, and user access standards. Additional responsibilities include monitoring for vulnerabilities, assisting with incident response actions, maintaining compliance...
QED Systems, LLC
Aug 24, 2026
Information System Security Officer (ISSO)
QED Systems, LLC TX
QED Systems, LLC, is currently recruiting an Information System Security Officer (ISSO) to join our team at Fort Hood, TX to support our customer, Project Manager Intelligence Systems & Analytics (PM IS&A). Duties: Provide expert support, analysis and research in DoD Risk Management Framework (RMF) requirements and processes to support the Army RMF process. Serve as the technical SME, Information System Security Officer (ISSO) or Information Security System Engineer (ISSE) on Army Program Of Record (POR)/Quick Reaction Capability (QRC) products. Implement and maintain compliance with DoD, Intelligence Community, NIST, Army, and Risk Management Framework (RMF) security control requirements, including DoD-I-8500, DoD-I-8510, ICD 503, NIST SP 800-53, CNSSI 1253, and Army AR 25-2. Provide technical guidance and direction on the interpretation and implementation of cybersecurity and information assurance requirements. Assess security control requirements and...
Odyssey Systems Consulting Group
Jul 30, 2026
Full time
Senior Information System Security Officer (ISSO)
Odyssey Systems Consulting Group Ogden, UT
Position Summary Odyssey Systems has an exciting opportunity for a Senior Information System Security Officer (ISSO)   to support the Aerospace Dominance Enabler Division (AFLCMC/C3BM)at Hill AFB in Ogden Utah.    This role supports the protection, accreditation, and ongoing security posture of Air Force information systems. In this role, you will work closely with the Information System Security Manager (ISSM) to ensure systems meet all DoD and Air Force cybersecurity requirements, align with the Risk Management Framework (RMF), and maintain the confidentiality, integrity, and availability of critical networks and data. You will conduct risk assessments, support accreditation activities, evaluate system security controls, and help enforce policies, configurations, and user access standards. Additional responsibilities include monitoring for vulnerabilities, assisting with incident response actions, maintaining compliance artifacts, and supporting...
LMI
Feb 06, 2026
ISSO - Information System Security Officer - Clearance Required
LMI Colorado Springs, CO
Overview LMI is seeking a highly motivated mid-level Information System Security Officer (ISSO) looking for hands-on experience and opportunity for career growth under direction of the Chief Information Security Officer.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and...
SAIC
Sep 02, 2026
Information Systems Security Officer Senior
SAIC VA
Description SAIC is seeking a senior-level Information System Security Officer (ISSO) and/or Alternate Information System Security Officer (AISSO) for one or more major federal IT information systems as a member of the customer directorate's Security Team. Overall, the candidate will be responsible for utilizing the NIST Risk Management Framework (RMF), NIST Security and Privacy Controls for Information Systems and Organizations, and related Continuous Monitoring activities to maximize the security of their assigned system(s) and ensure compliance with Federal Information Security Management Act (FISMA) requirements and DHS/CBP policies and processes. This position is hybrid-remote and requires 1 day per-week on-site per week in Ashburn, VA. Job Responsibilities Conduct continuous monitoring and self-inspections of computer systems to ensure security compliance with the a forementioned guidance and DHS/CBP policy directives, and proactively report progress to...
SAIC
Sep 02, 2026
Information Systems Security Officer II
SAIC DC
Description SAIC is seeking a mid-level Information System Security Officer (ISSO) for our team to support a government customer. This position is remote, but the candidate must be local to the DC area (within 50 miles) and will be expected to come in at least once every 2 weeks in the future. Responsibilities: Provides objective advice and specialized skills in order to create value, maximize growth or improve performance, resiliency and protection against cybersecurity related threats, vulnerabilities, and other cybersecurity related remediation activities. Participates in consulting projects that deliver customer focused results aligned with strategic goals of the Client. Facilitates review and analysis of strategic issues and advises regarding implementation of strategy. May assist in conducting education classes. May provide support in the following areas: guidance to resolving issues, analysis of trends and issues, development of procedures and processes,...
SAIC
Aug 19, 2026
Senior Information Systems Security Officer
SAIC DC
Description SAIC is seeking a technical Senior Information System Security Officer (ISSO) to support a critical U.S. government agency in the National Capital Region. This role reports to the Security Program Management Office (SPMO) Manager and works directly with team members and Federal ISSOs to support authorization, compliance, continuous monitoring, and risk management activities across assigned systems. This is an excellent opportunity for an experienced cybersecurity professional with a strong technical background to support the secure authorization and ongoing compliance of systems across on-premises and cloud environments. This is not a hands-on engineering position. Instead, the Senior ISSO leverages prior experience as a Systems Administrator, Cloud Engineer, Infrastructure Engineer, Network Engineer, Security Engineer, or similar technical role to independently validate security implementations, assess technical risk, and ensure authorization decisions are supported...
Odyssey Systems Consulting Group
Sep 10, 2026
Full time
Senior Personnel Cybersecurity
Odyssey Systems Consulting Group MA
Position Summary Odyssey Systems is seeking a Personnel Cybersecurity Specialist to ensure system and application deliverables meet all Department of Defense (DoD) and Air Force cybersecurity requirements. This role requires strict adherence to DoD and Air Force policies, frameworks, and certification standards throughout the contract period, including RMF and PKI implementation.   This is a full time on-site position located at Hanscom AFB, MA. Responsibilities In this Advisory and Assistance Services (A&AS) role, you will provide expert-level support to Department of Defense (DoD) programs by assisting government leadership with decision-making, planning, and execution throughout the acquisition lifecycle. You will apply your technical and/or professional expertise to ensure compliance with applicable policies and regulations, contribute to mission success, and help deliver critical capabilities to the warfighter....
General Dynamics Mission Systems, Inc
Jun 09, 2026
Information Assurance Engineer
General Dynamics Mission Systems, Inc San Jose, CA
Basic Qualifications Education Requirements: Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   Clearance Requirements: Department of Defense Top Secret security clearance is required at time of hire. Must be able to obtain SCI. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required Responsibilities for this Position General Dynamics Mission Systems has an immediate opening for an Information Assurance Security Professional. This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense/intelligence services and...
SAIC
Aug 19, 2026
Information Systems Security Officer (ISSO)
SAIC CO
Description SAIC is seeking an experienced Information Systems Security Officer (ISSO) to provide Launch Security Operations Support (LSOS) for multiple programs/customers within the National Reconnaissance Office (NRO) Operations Squadron (NOPS), Office of Space Launch (OSL) directorate located at Schriever Space Force Base, CO. This position will perform day-to-day information systems security support to the NOPS mission under the Twilight Systems Integration Contract, to ensure all systems security requirements are met and comply with requirements to achieve and maintain Authority to Operate (ATO). The ISSO provides oversight, guidance, and technical support, on IT and information system security issues affecting the NOPS mission by implementing common information system security practices, policies and technologies. Subject will interface with multiple government agencies, and contractors within both the DoD and IC. Key Duties and/or Responsibilities: Information...
SAIC
Aug 19, 2026
Information Systems Security Officer
SAIC VA
Description SAIC seeks an Information Systems Security Officer (ISSO) to join our team of professionals providing technical and program services to the U.S. Government (USG). SAIC provides research, engineering, design, analysis, acquisition, development, integration, test, and operations support USG Intelligence Community (IC) and Department of Defense (DoD) customers. We support development and delivery of next generation and generation after next national security systems based on land, at sea, in air, and in space. The ISSO sought here serves a USG Program Office leading Research & Development (R&D) of evolutionary, revolutionary, and transformational Experimental Satellite Ground solutions. This position provides Systems Engineering & Technical Advisory (SETA) support services. This position has a target salary range of $120,000 to $160,000. Your responsibilities include some or all the following: Support systems security authorization and continuous...
Lockheed Martin
Jul 24, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO
Description: This position requires TS/SCI clearance with ability to pass a Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex...
SAIC
Jul 13, 2026
Information Systems Security Officer
SAIC CO
Description SAIC's Horizon 2 contract is seeking an energized and professional Information Systems Security Officer (ISSO) to support the contract's secure operating facilities in Colorado Springs, CO . The Horizon 2 contract support the US Space Force Space Systems Command's Program Executive Office's overseeing the Space Domain Awareness and Combat Power, and Battle Management Command, Control and Communications portfolios. You will support all facets of SAIC's Information Protection Program at our Colorado Springs location. You will assist the Information Systems Security Manager and provide oversight, guidance, and technical support, on IT and information system security issues affecting the mission of the customer, by implementing common information system security practices, policies, and standards. Your background in applying sound and effective Information Assurance security practices, in both Windows and Linux environments, will be the driving force behind the...
Lockheed Martin
Jun 09, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO
Description: TS/SCI clearance with willingness to receive Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) for Special Access Programs located at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones. It's dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline. Key Responsibilities of this role includes: - Oversee day-to-day information...
LMI
Sep 13, 2026
Contract Writing System Functional Service Desk Agent - Clearance Required
LMI Remote, UNAVAILABLE
Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   LMI is seeking a Functional Service Desk Agent with significant experience in DoW contracting to support the Army Contract Writing System (ACWS) as a member of the Tier 2 Functional Service...
U. S. National Security Agency
Sep 09, 2026
Corporate Security Officer/Continuous Investigative Response & Analysis - Entry to Mid Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: Security and Counterintelligence (S&CI) is responsible for the protection of NSA/CSS information, people and facilities worldwide. In support of this mission, the Security Operations Command Center (SOCC) ensures continuity of mission and the protection of the Agency's critical assets worldwide 24x7. Primary responsibilities of a SOCC Corporate Security Officer include: - Emergency and critical Incident response and management - Initiating and conducting all necessary investigative actions for physical, force protection, personnel and counterintelligence related security incidents - Coordination, response, mitigation and resolution of life safety, security and facility emergencies - Access verification and management - Monitoring the physical security and force protection posture of NSA facilities worldwide and deploying appropriate countermeasures and resources to sustain or enhance the posture as necessary - Threat analysis, management and...
SAIC
Sep 02, 2026
Information Systems Security Engineer (ISSE) Edge
SAIC VA
Description SAIC is seeking two experienced Information Systems Security Engineers (ISSEs) to support the MAJESTIC Joint Program Office (JPO) -one serving as a traditional enterprise ISSE and one serving as a specialized Edge ISSE focused on tactical-edge environments. Together, these engineers will lead advanced security engineering and architecture efforts for MAJESTIC's mission-critical systems, including those operating in distributed, low-bandwidth, intermittently connected, and operationally constrained mission scenarios. The Enterprise ISSE will design, develop, implement, and validate security architectures for MAJESTIC's core systems and enterprise environments, ensuring security controls are integrated throughout the full engineering lifecycle-from requirements and high-level architecture through deployment, sustainment, modernization, and ATO maintenance. The Edge ISSE , leveraging the job functions described in ISSE_Edge, will engineer cybersecurity...
SAIC
Sep 02, 2026
Information Systems Security Engineer (ISSE) Architect
SAIC VA
Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) to support the MAJESTIC Joint Program Office (JPO) by performing advanced security engineering and architectural design for mission-critical IT systems. In this role, the ISSE will lead the design, development, implementation, and validation of security architectures , ensuring all security controls are integrated into system engineering processes across the full lifecycle-from requirements development to deployment and sustainment. The ISSE will collaborate closely with program leadership, system owners, developers, ISSMs/ISSOs, enterprise architects, and cybersecurity operations teams to ensure systems meet federal security requirements, including NIST 800-53, RMF, and customer-specific A&A frameworks such as ICD 503 and DAAPM. This role requires on-site support in Springfield, VA . Key Responsibilities: Design and engineer secure system architectures, integrating...
Odyssey Systems Consulting Group
Aug 31, 2026
Full time
Senior Security Manager
Odyssey Systems Consulting Group Dayton, OH
Position Summary Odyssey has an exciting opportunity for a Senior Security Manager position supporting the ISR Sensors Division (AFLCMC/WIN) at Wright Patterson AFB, OH . WIN is part of the ISR/SOF Directorate (AFLCMC/WI), who is responsible for equipping our warfighters to win the fight. The Directorate executes a $22 billion acquisition portfolio developing, producing, testing, modifying, fielding, and supporting Air Force ISR and SOF platforms, and related sub-systems. Responsibilities Duties include, but not limited to:  Serve as the technical expert for multiple specialized information Protection (IP) and acquisition security programs supporting major DoD and classified/highly sensitive USAF defense acquisition and intelligence programs. Assist with providing a wide range of security management, analytical, technical and support services for programs managed by AFLCMC/WI Directorate, AFLCMC/WIN Division, and...
Odyssey Systems Consulting Group
Aug 28, 2026
Full time
Cost Analyst
Odyssey Systems Consulting Group Remote, UNAVAILABLE
Position Summary Odyssey Systems has an exciting new opportunity for a Cost Analyst to join our team of analysts developing, updating, and defending Life Cycle Cost Estimates (LCCEs) / Program Office Estimates (POEs) across Radar and C2 missions. This is a full-time opportunity with 90% of your time spent working remote.   If you have experince with ACE-IT (Automated Cost Estimating Integrated Tools) and are passionate about utilizing your financial and business accumen to defend our National Security interests, then this is the role for you!      Responsibilities Duties include, but not limited to:  Data Integration Develop and support custom cost data tools to support future estimates Institute quality control measures, report results, and conduct process improvement initiatives as needed Cost Estimating Process Develop, maintain, update, and deliver fully documented and well-supported cost...
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