Mainframe Systems Engineer

Job Details

Job #: 3035731

Title: Mainframe Systems Engineer

Location: Chandler, AZ (Onsite)

Employment Type: Contract

Contract Duration: 12 months

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.

• 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 $ to $ per hour. A comprehensive benefits package is available for eligible employees.

This employer is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.

This employer will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.