Mainframe Systems Engineer

This position involves the design, engineering, and maintenance of z/OS platform tools and services in alignment with enterprise architecture standards and security policies. The role serves as a subject-matter expert for z/OS infrastructure, providing technical consultation to various teams. The specialist will translate business requirements into technical designs, develop automation to improve efficiency, and support a high-availability enterprise environment., * Design, engineer, and maintain z/OS platform tools and services.

• Provide subject-matter expertise and technical consultation on z/OS infrastructure.
• Translate business and operational requirements into technical designs, standards, and runbooks.
• Develop and enhance automation, scripts, and tooling to improve system reliability.
• Create reusable templates and playbooks for system builds, configuration, and deployment.
• Evaluate and validate third-party mainframe software and tools for enterprise adoption.
• Identify opportunities to improve system performance, resiliency, and operational processes.
• Support risk management, change management, and problem resolution.
• Provide technical guidance and mentoring to junior staff members.

• Experience configuring, maintaining, and supporting the z/OS operating system, including installation, maintenance, and management of PTFs, APARs, and USERMODs using SMP/E.
• Proficiency in developing system utilities, exits, and automation using REXX and Basic Assembly Language (BAL/Assembler).
• Experience administering z/OS UNIX System Services (USS), including file system management, scripting, and zFS configuration.
• Experience configuring and supporting JES2, including job class definitions, initiator management, and workload controls.
• Working knowledge of TSO/ISPF for system programming and operational tasks.
• Experience configuring and managing logical partitions (LPARs) and processor resources using the Hardware Management Console (HMC).
• Ability to diagnose and resolve system-level issues using tools such as IPCS, EREP, and RMF.
• Knowledge of IBM Enterprise COBOL for z/OS & OS/390.

Preferred Qualifications

• Experience with Hardware Configuration Definition (HCD) for server, storage, and network hardware.
• Background in mainframe security administration, including defining and maintaining RACF profiles and controls.

The anticipated pay range for this position is $65.00 to $70.24 per hour. A comprehensive benefits package is available for eligible employees.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click for more details.