Mainframe Security Analyst

Mainframe systems security Analyst working to support a mainframe environment for government agency, with expertise in RACF and identity management activities for a large multi-agency health care claims processing environment. This role is remote. "Please be advised that during the interview, you will be required to keep your camera on, and your interviewer will be taking your picture for identification purposes if an offer letter is extended to you."

• Maintaining mainframe RACF environment and monitoring security access patterns
• Creating and deleting user accounts on various mainframe systems
• Confirming that the proper permissions are in place to restrict access to sensitive data
• Work with the Infrastructure Services provider to insure that security updates are rolled out to various mainframe environments
• Serve as primary point of contact for researching making to corrections to mainframe security and access related questions
• Provide regular reporting on production and UAT security and identity management related processing issues
• Perform user and security audits of the mainframe RACF environment on a regular basis
• Potential ability to work on-call shifts to support batch processing and monitoring

• BS degree and 4 years of experience.
• Experience may be substituted in lieu of degree.
• Experience analyzing government mainframe systems
• Experience managing mainframe user accounts and security environment for a large government agency supporting Medical claims processing and a common workload file (CWF)
• Expertise with IBM RACF and Vanguard Security tools
• Expertise with mainframe and host based security
• Experience with audit and the security review process for RACF
• Able to utilize Incident ticket system to open, resolve, close tickets and Service Requests
• Demonstrate excellent communication skills including the ability to effectively communicate with internal and external customers.
• Ability to use strong industry knowledge to relate to customer needs and dissolve customer concerns and a high level of focus and attention to detail.
• Strong work ethic with good time management with the ability to work with diverse teams and lead meetings
• Strong organizational, interpersonal and analytical skills
• All candidates supporting the CMS programs must have lived in the United States at least three (3) out of the last five (5) years prior in order to be considered.

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Original Posting:
September 29, 2026 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $59,150.00 - $

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of…