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Information System Security Officer, Classified Cybersecurity

Lockheed Martin

Littleton, CO 2026-02-18
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  • Listing date: 2026-02-18. Roles may close or change without notice.
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[Applicants: Be among the first 25 applicants | Industry: Defense and Space Manufacturing | Type: Full-time | Level: Mid-Senior level] Basic QualificationsTS/SCI with the ability to receive PolygraphDoD 8570/8140 IAT Level II certification or Higher, or ability to obtain within 6 months of hireInformation Systems auditing experienceKnowledgeable of operating system security requirementsHands on experience with industry standard Information Assurance toolsJob DescriptionThis position requires T…

Job description

[Applicants: Be among the first 25 applicants | Industry: Defense and Space Manufacturing | Type: Full-time | Level: Mid-Senior level] Basic QualificationsTS/SCI with the ability to receive PolygraphDoD 8570/8140 IAT Level II certification or Higher, or ability to obtain within 6 months of hireInformation Systems auditing experienceKnowledgeable of operating system security requirementsHands on experience with industry standard Information Assurance toolsJob DescriptionThis position requires TS/SCI clearance with ability 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 Sensitive Programs located at the LM Waterton facility in Littleton, CO.In This Role You WillOversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF package authorizations.Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF).Upkeep, monitor, analyze, and respond to network and security events.Document compliance actions with the ISSM to address non-compliance in the allotted time frame.Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices.Participate in internal/external security audits/inspections; performs risk assessments.Ensure records are maintained for workstations, software, servers, routers, firewalls, network switches, telephony equipment, etc. throughout the information system's life cycle.Evaluate proposed changes or additions to the information system, and advise the ISSM of their security relevance.Ensure configuration management (CM) for security-relevant IS software, hardware, and firmware is maintained and documented.Assist in conducting investigations of computer security violations and incidents, reporting as necessary.Ensure proper protection and / or corrective measures have been taken when an incident or vulnerability has been discovered.Communicate, implement and manage a formal Information Security / Information Systems Security Program together with ISSM and CPSO.Desired SkillsExperience implementing new and complex technologies at multiple classification levels within large environments and at an Enterprise levelCurrently working in environment supporting IC customersProved ability to obtain and m...

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