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# Information Systems Security Officer, Classified Cybersecurity

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States
- **Salary:** $76,500.0 - $134,895.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Information Systems, Information Security Management, Network Security, Security Content Automation Protocol, Privacy Controls, Nessus, National Industrial Security Program Operating Manual (NISPOM), Operating System Security, Splunk, Plan of Action and Milestones
- **Published:** July 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9055589/information-systems-security-officer-classified-cybersecurity

## About the Role

* TS/SCI clearance with ability to pass a Polygraph

 * DoD 8570/8140 IAT Level II certification or higher, or ability to obtain within 6 months of hire.

 * Knowledge of operating system security requirements.

 * Knowledge with industry standard Information Assurance tools such as Splunk, SCAP, Nessus.

 * Information System auditing experience.

 * Experience with the National Industrial Security Program Operating Manual (NISPOM) and the Defense Counterintelligence and Security Agency Assessment and Authorization Process Manual (DAAPM).

 * Experience with Committee on National Security Systems Instruction (CNSSI) 1253, NIST SP 800-37 Risk Management Framework (RMF), and/or NIST SP 800-53 Security and Privacy Controls requirements.

 * Experience developing, reviewing and maintaining RMF artifacts.

 * Experience with obtaining and maintaining system ATOs.

 * Experience implementing new and complex technologies at multiple classification levels within large enterprise environments.

This position requires a government security clearance, you must be a US Citizen for consideration.

## Description

Oversee day-to-day information system security operations including hardware and software implementations.

 - 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 within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M) with the Information Systems Security Manager (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 outlined in the security plan.


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