Information Systems Security Manager

Lockheed Martin Missiles and Fire Control's (LMMFC) Security team seeks security professionals to protect critical government capabilities that enable warfighter supremacy against peer and near‑peer adversaries. In this role you will safeguard sensitive information and war fighting systems essential to U.S. and allied interests, working alongside other security experts and military personnel to provide a secure operating environment

Lockheed Martin Missiles and Fire Control's (LMMFC) Security team seeks security professionals to protect critical government capabilities that enable warfighter supremacy against peer and near‑peer adversaries. In this role you will safeguard sensitive information and war fighting systems essential to U.S. and allied interests, working alongside other security experts and military personnel to provide a secure operating environment

Classified Cybersecurity helps 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. This position will partner with the security team, program, and government customers to perform as an Information Systems Security Manager (ISSM) in Grand Prairie, TX.

You will be responsible for overseeing day‑to‑day information system security operations, ensuring compliance with internal and customer security requirements, and maintaining the security and integrity of our systems.

• Oversee day‑to‑day information system security operations including assisting the ISSO on all technical security matters.
• Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF).
• Participating in auditing and continuous monitoring of the IS.
• Create, update, and review/oversee RMF Package authorizations.
• Upkeep, monitor, analyze, and respond to security events.
• Document compliance actions within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M).
• Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices.
• Ensure configuration management (CM) for security-relevant IS software, hardware, firmware, and system documentation.
• Ensure all information systems lifecycle management documentation are maintained.
• Evaluate proposed changes or additions to the information system, and advise the ISSM of their security relevance.
• Assist and conduct security IS education and training.
• Participate in internal/external security audits/inspections; performs risk assessments.
• Assist in conducting investigations of computer security violations and incidents.
• Ensure proper protection and corrective measures are taken when an incident or vulnerability has been discovered.
• Implement and enforce Information Security Policies and Procedures together with the Cyber Manager and CSSO.

• Ability to obtain and maintain a Secret clearance (Final Secret required to start)
• Bachelor's degree in Cybersecurity (or related discipline) from an accredited college with related professional experience, or Master's degree in Cybersecurity
• DoD 8570/8140 IAT Level III baseline certification (CCNA-Security, CySA+ **, GICSP, GSEC, Security+ CE, CND, SSCP)
• Hands on technical experience with industry standard Information Assurance tools (Splunk, Nessus/Tenable/ACAS, STIGViewer/SCAP Compliance Checker/eSTIG, Trellix ePO, Trellix DLP)
• Experience with developing, reviewing, and maintaining RMF artifacts

• Previous experience supporting SAP/SCI classified…