Top Secret SME (Mainframe Security / Application Support)

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.

Job Title: Top Secret SME (Mainframe Security / Application Support)

Location(s): Southfield, MI
(Remote)

Position Summary
Seeking an experienced Mainframe Security professional with strong CA Top Secret expertise to provide security administration, access management, and application support services in a staff augmentation environment. The role combines mainframe security administration with Natural/COBOL application support and operational support responsibilities.

Key Responsibilities

• Administer and support CA Top Secret security environment.
• Process user access requests, modifications, and removals.
• Troubleshoot authentication and access-related issues.
• Support Natural and COBOL applications, including incident resolution, maintenance, and minor enhancements.
• Manage incident, request, and service task ticket queues.
• Support general mainframe operations, production issues, and batch processing activities.
• Assist with audits, compliance reviews, and access certification activities.
• Ensure application access complies with established security controls.
• Support enterprise mainframe key rotation activities conducted twice annually.
• Perform mainframe certificate renewals.
• Support started task accounts and related security administration.
• Manage batch processing and scheduling activities using CA7.

Required Skills

• Strong experience with CA Top Secret administration and security.
• IBM z/OS mainframe experience.
• Natural application support experience.
• COBOL application support experience.
• Mainframe security administration background.
• Experience in ticket-driven production support environments.
• Knowledge of access provisioning and Identity & Access Management (IAM) concepts.
• JCL (Job Control Language) experience.
• CA7 job scheduling and batch processing experience.

Preferred Skill

• RACF and/or ACF2 experience.
• IAM tools such as SailPoint, NetIQ, or similar platforms.
• Audit and compliance support experience.
• Salesforce (SFDC) exposure.

Work Authorization

• Must be authorized to work in the United States or Canada.
• US-based candidates are preferred.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.