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Lockheed Martin
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February 24, 2026
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Information Systems Security Officer, Classified Cybersecurity

Huntsville, AL
Full-time
Onsite
Entry, Mid Level
Lockheed Martin is seeking a Classified Cybersecurity candidate to perform duties as an Information Systems Security Officer (ISSO) located at the Lockheed Martin Space Facility in Huntsville, AL. The role involves overseeing information system security operations, performing technical administration, and ensuring compliance with security policies and procedures.
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Responsibilities

  • Oversee day-to-day information system security operations including assisting the ISSM 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)
  • Participate in auditing and continuous monitoring of the IS
  • Review and 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
  • 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 ISSM and other security professionals

Qualification

Required

  • Final Secret clearance with ability to attain Top Secret clearance
  • DoD 8570 IAT Level II Certification
  • Knowledge of Information Systems Security Officer duties
  • Experience with IS auditing and investigations
  • Basic understanding of infrastructure technologies and functionalities (e.g., Windows/Linux servers and workstations, Active Directory (AD), ePolicy Orchestrator, etc)
  • Basic experience with developing, reviewing, and maintaining RMF artifacts
  • Typically have a Bachelors degree from an accredited college in a related discipline, with 1-5 years of professional experience

Preferred

  • Experience with ESS/ENS, Qmulos, Splunk, Nessus, Security Center and SCAP
  • Basic knowledge with Linux command line system navigation (RHEL 7 and up)
  • Basic knowledge with Windows Systems Administration (Windows 10, Server 2016 and up)
  • Experience supporting cybersecurity requirements under RMF
  • Experience with tactical test environments
  • Experience implementing or managing cyber security requirements on classified systems under NIST

Benefits

Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.
Glassdoor
4.1
Founded in 1912
Bethesda, Maryland, USA
10001+ employees
https://www.lockheedmartin.com
Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.
Glassdoor
4.1
Founded in 1912
Bethesda, Maryland, USA
10001+ employees
https://www.lockheedmartin.com