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Lockheed Martin
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January 7, 2026
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Information System Security Officer, Classified Cybersecurity

Herndon, VA
Full-time
Onsite
Entry, Mid Level
Lockheed Martin is a leading aerospace and defense company, and they are seeking an Information System Security Officer to join their team in Herndon, Virginia. The role involves supporting information system security operations, ensuring compliance with cybersecurity requirements, and monitoring security events to protect national security.
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Responsibilities

  • Support day-to-day information system security operations including hardware and software implementations
  • Carry out technical security administration of IS in accordance with internal LM and customer cybersecurity requirements, primarily the 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
  • Auditing is a large part of this role’s responsibility

Qualification

Required

  • TS/SCI clearance with the ability to obtain a CI polygraph
  • Support day-to-day information system security operations including hardware and software implementations
  • Carry out technical security administration of IS in accordance with internal LM and customer cybersecurity requirements, primarily the 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
  • Auditing is a large part of this role's responsibility
  • Bachelor's degree from an accredited college in a related discipline, or equivalent experience/combined education, with 2 years of professional experience

Preferred

  • Information Systems auditing experience
  • Experience working with ICD 503 and/or DAAPAM
  • Experience with industry standard Information Assurance tools such as STIG Viewer, Nessus, and Splunk
  • Experience working with eMASS
  • Experience performing; security system hardening, analysis, vulnerability management, DISA STIGs
  • Prior Information System Security Engineer (ISSE) or System Administration experience

Benefits

  • Flex hours
  • Family-first culture
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