Information Systems Security Officer, Classified Cybersecurity Security Clearance
Job in
Littleton, Arapahoe County, Colorado, 80120, USA
Listed on 2026-02-21
Listing for:
Lockheed Martin
Full Time
position Listed on 2026-02-21
Job specializations:
-
IT/Tech
Cybersecurity, Information Security, Systems Administrator, Network Security
Job Description & How to Apply Below
Job Number 718612
Description:
This position requires a TS/SCI clearance with ability to pass polygraph. The Classified Cybersecurity Staff will partner with the security team, program, and Government customers to perform as an Information Systems Security Officer (ISSO) for Information Systems (IS) located at the LM Waterton facility in Littleton, CO.
Responsibilities include:
• 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).
• Participating 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.
• 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 ISSM and CPSO. Candidate will typically have a Bachelor's Degree and 8 - 10+ years of experience.
Basic Qualifications:
• TS/SCI clearance with ability to pass a polygraph
• DoD 8140 IAT Level III or IAM Level III certification
• Experience with IS auditing and investigations
• Knowledgeable of operating system security requirements
• Hands on experience with industry-standard Information Assurance tools
• Experience with developing, reviewing and maintaining RMF artifacts
Desired
Skills:
• TS/SCI with a current CI Poly
• Currently working in environment supporting DoD Special Access Programs
• Hands on experience with the JSIG RMF Framework
• DoD 8570/8140 IAM Level III certification
• Experience implementing new and complex technologies at multiple classification levels within large environments
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
Other Important Information You Should Know
Expression of Interest:
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules:
Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Pay Rate:
The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $113,900 - $200,905. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only.
Lockheed Martin…
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