Corporate Gray Online
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference

25 information system security officer jobs found

Refine Search
Current Search
Information Technology United States information system security officer
Refine by Job Categories
Security Clearance  (28) Law Enforcement  (16) Cybersecurity  (10) Engineering  (7) Management  (5) Admin-Clerical  (3)
Executive  (3) Finance  (3) Manufacturing  (3) Marketing  (3) Analyst  (2) Business Development  (1) Government  (1) Human Resources  (1) Media  (1) Warehousing-Logistics  (1) Entertainment  (1) Energy  (1)
More
Refine by State
Colorado  (6) Virginia  (6) Florida  (4) California  (3) Arizona  (2) District of Columbia  (2)
Nebraska  (1) Ohio  (1)
More
Refine by City
Herndon  (2) Highlands Ranch  (2) Littleton  (2) Niceville  (2) Tysons  (2) Washington  (2)
Boulder  (1) Colorado Springs  (1) Dayton  (1) Manassas  (1) McLean  (1) Ocala  (1) Omaha  (1) Orlando  (1) San Jose  (1) Santa Rosa  (1) Scottsdale  (1) Sunnyvale  (1)
More
Refine by Company Name
Lockheed Martin  (12) LMI  (6) General Dynamics Mission Systems, Inc  (3) Odyssey Systems Consulting Group  (3) Mythics, LLC.  (1)
Refine by Employment Type
Full time  (4)
Refine by Onsite/Remote
Onsite  (25)
Lockheed Martin
Jul 17, 2026
F-35 Information System Security Officer - Luke AFB, AZ (Mid-Career)
Lockheed Martin AZ
Description: What We’re Doing: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), F-35 Cyber Security invites you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a cybersecurity professional at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other cybersecurity experts, related departments, and military members to support the military operational objectives by providing them with a safe and secure operating environment. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep these exquisite capabilities protected. The Work: This Information System Security Officer (ISSO) position will support the...
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...
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...
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...
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
Jun 04, 2026
Information Systems Security Officer (ISSO) - Navy
LMI Tysons, VA
Overview LMI, a consultancy dedicated to enhancing government transformation and readiness, is seeking a highly skilled Information Systems Security Officer (ISSO) to support the Naval Autonomous Data Collection System (NADACS) portfolio. This pivotal role ensures that NADACS systems operate within approved cybersecurity frameworks while fostering mission success through compliance, system integrity, and strong stakeholder collaboration. This is a unique opportunity to drive cybersecurity excellence in a critical Navy logistics program. As an ISSO in the NADACS portfolio, you'll play a pivotal role in securing systems that enhance asset tracking and fleet readiness on a global scale. Join LMI in a mission-focused role where innovation meets impact.    This position requires an active Secret clearance . Preference for location in Norfolk, VA, Mechanicsburg, PA or Tysons, VA.    LMI is a new breed of digital solutions provider dedicated to...
Odyssey Systems Consulting Group
Jul 23, 2026
Full time
Junior Acquisition Information Protection Manager
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a knowledgeable a Junior Acquisition Information Protection Manager (AIPM) to support all aspects of acquisition program security throughout the program life cycle. This role ensures compliance with Government directives relating to Special Access Programs (SAPs), Sensitive Compartmented Information (SCI), and collateral security requirements. The ideal candidate will have demonstrated experience implementing security policies derived from Executive Orders and DoD Manuals, and be capable of developing and maintaining a secure operational environment for government and contractor personnel. In addition, this role requires flexibility, as you will need to work various shifts to provide coverage for facilities over 24-hour periods, including weekends .   Responsibilities Duties includ e, but not limited to:    Acquisition Program Security Support Execute all...
Odyssey Systems Consulting Group
Jul 23, 2026
Full time
Acquisition Information Protection Manager
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a knowledgeable and experienced Acquisition Information Protection Manager (AIPM) to support all aspects of acquisition program security throughout the program life cycle. This role ensures compliance with Government directives relating to Special Access Programs (SAPs), Sensitive Compartmented Information (SCI), and collateral security requirements. The ideal candidate will have demonstrated experience implementing security policies derived from Executive Orders and DoD Manuals, and be capable of developing and maintaining a secure operational environment for government and contractor personnel. In addition, this role requires flexibility, as you will need to work various shifts to provide coverage for facilities over 24-hour periods, including weekends .   Responsibilities Duties includ e, but not limited to:    Acquisition Program Security Support...
Lockheed Martin
Jul 07, 2026
Systems Administrator
Lockheed Martin Herndon, VA
Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes. • Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor’s ISSM • Provide Data Transfer Officer (DTO) services between UNCLASSIFIED and CLASSIFIED networks as needed by the Sponsor • Coordinate assistance from the Sponsor’s corporate resources when required, if encountering a problem that the Contractor team cannot solve • Ensure security compliance with the Sponsor’s ISSM for all components of the network • Perform other system administration duties as requested by the Sponsor. Basic Qualifications: • Minimum 3 years experience as a Systems Administrator •...
Lockheed Martin
Jun 04, 2026
Systems Administrator
Lockheed Martin Herndon, VA
Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes. • Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor’s ISSM • Provide Data Transfer Officer (DTO) services between UNCLASSIFIED and CLASSIFIED networks as needed by the Sponsor • Coordinate assistance from the Sponsor’s corporate resources when required, if encountering a problem that the Contractor team cannot solve • Ensure security compliance with the Sponsor’s ISSM for all components of the network • Perform other system administration duties as requested by the Sponsor. Basic Qualifications: • Minimum 3 years experience as a Systems Administrator •...
Lockheed Martin
May 29, 2026
Classified Cyber Security Sr/ISSO/Ocala
Lockheed Martin Ocala, FL
Description: Lockheed Martin MFC is also embarking on a transformational journey – destination the future. Digital Transformation (DT) is Lockheed Martin’s path to the future with its interconnected environment where data becomes information and information drives decisions that create value across the entire lifecycle. This includes how our workforce will operate, as well. To help us along this journey MFC is seeking a qualified candidate for the position of Workforce Programs Lead. We’re looking for someone with passion and enthusiasm in leading us on programs to build and enable the future workforce. This position can be summarized in this way. Classified Cybersecurity 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 Cybersecurity will...
Lockheed Martin
May 23, 2026
Classified Cyber Security Staff/ISSO Lead/Orlando
Lockheed Martin Orlando, FL
Description: Lockheed Martin MFC is also embarking on a transformational journey – destination the future. Digital Transformation (DT) is Lockheed Martin’s path to the future with its interconnected environment where data becomes information and information drives decisions that create value across the entire lifecycle. This includes how our workforce will operate, as well. To help us along this journey MFC is seeking a qualified candidate for the position of Workforce Programs Lead. We’re looking for someone with passion and enthusiasm in leading us on programs to build and enable the future workforce. This position can be summarized in this way. Classified Cybersecurity 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 Cybersecurity will...
Odyssey Systems Consulting Group
May 20, 2026
Full time
Security Management Professional
Odyssey Systems Consulting Group Dayton, OH
Position Summary Odyssey is seeking a Journeyman Security Management Professional to support the AFLCMC/IN Intelligence Directorate, working across DoD agencies, the Office of the Secretary of Defense (OSD), Headquarters Air Force (HQ USAF), and broader AFLCMC initiatives.   This position is located onsite at Wright Patterson AFB, OH . Responsibilities Duties include, but not limited to:  Support internal and external briefings and reports by applying expertise in acquisition, physical, personnel, and documentation security for SCIFs and SAPFs; coordinate and report through the base SSO. Provide security knowledge and experience throughout the program lifecycle, working with Government, prime, and subcontractor personnel to develop and implement effective security practices and policies. Support development of SCIF/SAPF certifications, Program Protection Plans (PPP), system security management plans,...
LMI
Jul 30, 2026
FSO / Security Lead w/active Top Secret clearance
LMI Washington, DC
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, homeland, healthcare, and intelligence 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.   Responsibilities LMI is  seeking  a driven, results-oriented FSO / Security Lead to own all aspects of personnel,...
LMI
Jul 29, 2026
Sr. Systems Engineer/End Point Lead w/active Top Secret clearance
LMI Washington, DC
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, homeland, healthcare, and intelligence 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.   Responsibilities LMI is seeking a skilled Sr. Systems Engineer / Endpoint Lead to manage systems engineering and endpoint...
Lockheed Martin
Jul 28, 2026
Sr. Network Engineer / Secret / Onsite: Sunnyvale, CA
Lockheed Martin Sunnyvale, CA
Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced network engineering professional to support our Space business area classified programs located in our Sunnyvale, California, US offices. Primary job responsibilities include, but are not limited to designing, installing, configuring, securing, hardening, remediating, troubleshooting, testing, upgrading and decommissioning of network switches, routers, firewalls, IDS/IPS, encryptors, physical cabling, protected distribution systems (PDS), data center planning & racking, identity...
Lockheed Martin
Jul 24, 2026
Software Engineer
Lockheed Martin Boulder, CO
Description: The Advanced Programs and Exploitation (APEX) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and development efforts focused on remote sensing data processing, exploitation applications, and simulations. In this position, you will work on designing, developing, testing, and integrating software for remote sensing payload mission processing and edge processing hardware. This position involves design, development, maintenance, and testing of largely C++ with some Python code. This role will be developing new mission processing applications and working with legacy code utilized leveraged in other enterprise applications. The selected candidate will be responsible for: • Designing and implementing software applications in C++ and other languages • Maintain & enhance existing code bases • Troubleshooting and debugging issues with embedded software applications • Integrate, debug, and...
LMI
Jul 18, 2026
Lead Solution Architect, Supply Chain Risk Management Platform - Clearance Required
LMI Tysons, VA
Overview The Lead Solution Architect serves as the senior technical authority for an enterprise Supply Chain Risk Management platform and is responsible for overall technical architecture, engineering execution, infrastructure, tooling, and implementation quality across the program. Working in close partnership with the Product Manager, this role translates product vision, mission needs, and customer intent into technically sound, scalable, and secure solutions, and serves as the principal technical counterbalance on feasibility, sequencing, implementation tradeoffs, and engineering rigor. This position requires an active DoD Top Secret clearance with SCI eligibility.   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....
General Dynamics Mission Systems, Inc
Jun 15, 2026
Senior Network Cyber Engineer
General Dynamics Mission Systems, Inc Manassas, VA
Basic Qualifications Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is required at time of hire. 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 ROLE AND POSITION OBJECTIVES: As a Senior Network and Cyber System Engineer on the MIT team, you will execute cybersecurity operations and network engineering tasks across secure environments. This is a dual-role position split evenly between cybersecurity engineering and network engineering. You will contribute to...
Lockheed Martin
Jun 12, 2026
Security Rep Stf - Level 4
Lockheed Martin Santa Rosa, CA
Description: The Security Organization of Lockheed Martin Deposition Sciences, Inc. (DSI) is soliciting exceptionally qualified candidates to manage the safety and security of classified programs at DSI. The professional that is hired is committed to helping safeguard our workplace and to ensure compliance with U.S. government and other customer security requirements in support of U.S. national security interests. The chosen candidate for this position will perform as the Security Representative Staff supporting multiple Special Access Programs (SAPs) within DSI located in Santa Rosa, California, serve as a Contractor Special Security Officer (CSSO), and work with Facilities to maintain the physical security of the DSI site. They will implement cost effective and value-added security solutions that fortify our nation’s emerging technologies. The ideal candidate will: - Lead the DSI Security effort and develop, administer, and audit security programs associated with the protection...
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create Resume
  • Sign in
  • Facebook
  • X
  • Instagram
  • LinkedIn
© 2008-2026 Corporate Gray, powered by Absolutely American, Inc.