Top Secret SME (Mainframe Security / Application Support)

About the role

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Location: Atlanta, GA (Remote).

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.

Responsibilities

• 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

Required Qualifications

• 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