Remote Mainframe Security & Applications SME (Top Secret)

Ampcus Inc

Chicago (IL)

Hybrid

USD 110,000 - 150,000

Full time

11 days ago

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Job summary

Ampcus Inc. is seeking a seasoned Mainframe Security & Application Support Engineer in Chicago, IL (Remote). The role focuses on CA Top Secret (TSS) security administration and supporting Natural/COBOL applications in a production ticket-driven environment.

The ideal candidate has strong IBM z/OS experience, IAM knowledge, and hands-on TSS expertise. You will handle access provisioning, batch scheduling with CA7, and collaboration across security, infrastructure, and development teams.

Qualifications

Strong hands-on experience administering CA Top Secret (TSS).
Experience with IBM z/OS mainframe environments.
Experience supporting Natural and COBOL applications.
Background in mainframe security administration.
Experience working in a ticket-driven production support environment.
Knowledge of Identity and Access Management (IAM) concepts and access provisioning.
Experience with JCL (Job Control Language).
Experience with CA7 batch scheduling and job management.
Strong troubleshooting and analytical skills.
Excellent communication and documentation skills.

Responsibilities

Administer and support CA Top Secret (TSS) security across enterprise mainframe environments.
Process user access requests, including account creation, modification, and removal.
Troubleshoot access, authentication, and authorization issues.
Support Natural and COBOL applications, including incident resolution and production support.
Manage incident, request, and service task queues while meeting SLAs.
Support IBM z/OS mainframe operations, including production issues and batch processing.
Assist with audit requests, access reviews, and compliance activities.
Ensure application access complies with security policies and CA Top Secret controls.
Support key rotation activities performed twice annually.
Manage mainframe certificate renewals.
Monitor and support batch processing and job scheduling using CA7.
Collaborate with infrastructure, security, and application teams to resolve production issues.