Mainframe Security Administrator
Richmond, Henrico County, Virginia, 23234, USA
Listed on 2026-11-06
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IT/Tech
Cybersecurity, Information Security & Data Protection
Job Location s: US
Peraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.
The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit to learn how we're keeping people around the world safe and secure.
Peraton is hiring a Mainframe Security Administrator for a remote position supporting our CMS program.
Ensures that security policies, procedures, and directives of the CMS ARS. DISA STIG, and FISMA manuals are followed. Maintains the oversight and compliance of existing information systems through technical reviews and system auditing. Interfaces with program management and customers on security requirements implementation, required documentation, and classification management. Provides information systems security guidance awareness and training and participates in customer security inspections, audits, and reviews.
Manages, develops, prepares, implements, and maintains security plans, standard operating procedures (SOPs), security tests, and evaluation plans. Collaborates with internal and external security teams, and IT staff to ensure the continued compliance and secure operation of accredited information systems. Keeps abreast of industry best practices and trends, and new technologies, and then plans and advises for implementation.
What you'll do:
- Data sets
- User IDs
- CICS transactions/applications
- Resources
- Certificates
Provide account-based security reporting for:
- Account and access control administration, security reports, recertification reviews, and security violation monitoring for mainframe role-based access control.
- Reviews logon-t for active/inactive logon-ids for mainframe role-based access control.
Provide on-going client support to include:
- Analyze basic customer security requirements and makes recommendations for improvement to information security processes and documentation.
- Work with other security team to assist technical support groups in the design and testing of information security products to provide solutions for information security issues and ensure conformance to requirements.
- Identify and recommends solutions such as program or system modifications to prevent security exposures.
Promote information security compliance according to client security standards.
- Participates in security audits, attends interviews, provides sample reports/extracts as requested.
- Working with the System Security Officers, investigates noncompliance, alerts, and escalates appropriately. Assists in migrations, implementations, and investigations.
Use these tools and knowledge:
- RACF, ACF2, Vanguard, DISA, FISMA, SNOW, SharePoint, Excel, DB2, IDM Security Admin, JCL, DMV/Complete, TSO along with general mainframe tools
What you'll need:
- Strong written and verbal communication; able to coordinate with and support technicians, system admins, developers, business analysts, and on-call staff.
- 2 years with BS/BA; 0 years with MS/MA; 6 years with HS Diploma/equivalent
- U.S. Citizenship
- Ability to obtain a Public Trust clearance
- Working z/OS RACF and ACF2 security skills, with the ability to review, correct, and coach…
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