Subject Matter Expert (Mainframe System Programmer)

The Subject Matter Expert Mainframe System Programmer provides senior-level technical leadership and specialized expertise supporting enterprise mainframe environments for complex, mission-critical systems. This role is responsible for defining system requirements, analyzing operational and technical challenges, and developing implementation strategies for mainframe infrastructure, storage, replication, disaster recovery, and system optimization initiatives.

The Subject Matter Expert  will lead and support modernization, operational stability, and continuity planning for large-scale mainframe platforms, ensuring system reliability, scalability, and alignment with organizational and regulatory requirements.

Key Responsibilities

Define technical problems and develop detailed plans and requirements for moderately complex to highly complex mainframe systems

Provide subject matter expertise for enterprise IBM mainframe platforms, storage, and replication technologies

Coordinate and manage technical analyses, evaluations, and recommendations for system enhancements and infrastructure initiatives

Lead operational support and maintenance activities for z / OS, DB2, and CICS environments

Design, implement, and optimize DASD replication, backup, and recovery solutions

Support disaster recovery, business continuity, and capacity optimization planning and execution

Develop technical specifications and guide the execution of mainframe-related initiatives

Analyze system performance, availability, and scalability, recommending improvements as needed

Collaborate with cross-functional technical teams to ensure system interoperability and operational resilience

Document system architectures, procedures, operational processes, and technical findings

Provide guidance on enterprise storage systems, tape systems, and data protection strategies

Requirements

Minimum Qualifications

Bachelor’s degree from an accredited college or university in :

Computer Science

Information Systems

Engineering

Business

Or another related scientific or technical discipline

Minimum 7 years of general experience in the Information Technology field

At least 5 years of specialized experience directly related to mainframe systems and the required area of expertise

Demonstrated experience defining requirements, performing technical analyses, and developing plans for complex systems

Preferred Qualifications

15 years of experience supporting enterprise mainframe systems, including :

IBM z16 2932-A02 and above

DS8950 5341-996 and above

TS7770 3948-VED and above

15 years of experience operating and maintaining :

z / OS version 2.5 and above

IBM DB2 version 12 and above

CICS Transaction Server version 6.0 and above

10 years of experience with DASD replication technologies, including :

IBM Copy Services Manager version 6.3.15.0 and above

Implementation and management of Safeguard Copy

10 years of experience in :

Disaster recovery planning and execution

Business continuity management

Capacity planning and system optimization

12+ years of relevant industry experience supporting enterprise IT systems (Senior SME level)

10+ years of advanced specialized technical experience directly related to mainframe systems programming and infrastructure

Master’s degree or Ph.D. in a related technical discipline (preferred)