> Markdown version of [/jobs/ext/3084687-top-secret-sme-mainframe-security-application-support](https://www.wearedevelopers.com/jobs/ext/3084687-top-secret-sme-mainframe-security-application-support). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Top Secret SME (Mainframe Security / Application Support) - **Company:** Ampcus Inc - **Location:** Atlanta, GA, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Batch Processing, COBOL (Programming Language), Job Control Language (JCL), IBM Mainframe, Identity and Access Management, Job Scheduling, IBM Resource Access Control Facility, Salesforce.Com, Security Support Provider Interface, User Provisioning Software, Z/OS, SailPoint - **Published:** September 26, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18444437?backUrl=%2Fcareer%2F18444437%2FTop-Secret-Sme-Mainframe-Security-Application-Support-Georgia-Atlanta ## About the Role * Strong CA Top Secret experience * IBM mainframe (z/OS) experience * Natural/COBOL experience * Mainframe security administration background * Experience working in a ticket-driven support model * Familiarity with access provisioning and IAM concepts * JCL experience * CA7/batch scheduling experience Preferred Qualifications * RACF or ACF2 experience * Experience with IAM tools such as SailPoint, NetIQ, or similar * Audit/compliance experience * SFDC experience ## Description We are seeking experienced resources to support CA Top Secret (mainframe security) along with Natural/COBOL application support in a staff augmentation model. This role will provide mainframe security administration, application support, production support, and general mainframe operations assistance., * Provide CA Top Secret administration and security support * Process and manage access requests, including adds, changes, and removals * Troubleshoot access and authentication issues * Support Natural/COBOL applications, including incident resolution, maintenance, and minor enhancements * Work ticket queues covering incidents, requests, and service tasks * Support general mainframe operations, including batch support and production issues * Assist with audit requests and access reviews * Ensure application access aligns with Top Secret controls * Support enterprise mainframe key rotation activities performed twice annually * Perform mainframe certificate renewals * Provide started task account support * Support batch processing and job scheduling using CA7