IBM zSystem Hardware Engineer

Matlen Silver; Plano (TX); On-site; USD 130,000 - 190,000; Full time

Job summary

Matlen Silver is seeking a z/OS Infrastructure Engineer in Plano to design, implement, and maintain enterprise z/OS platform tools aligned with governance and security standards. You will partner with application, infrastructure, and engineering teams to provide technical consultation and best practices.

The role requires deep expertise in z/OS, SMP/E, REXX, UNIX System Services, JES2, TSO/ISPF, LPARs/HMC, and performance tools (RMF/IPC S).

Qualifications

• Strong experience configuring, maintaining, and supporting z/OS.
• Proficient with SMP/E, PTFs, APARs, and USERMODs.
• Expert in z/OS UNIX System Services and JES2 workloads.
• Hands-on with TSO/ISPF, HMC, LPARs, and RMF tooling.
• Able to translate requirements into robust z/OS designs.

Responsibilities

• Designs, engineers, and maintains z/OS platform tools and services.
• Provides SME guidance to IT teams with best practices.
• Translates requirements into z/OS designs, blueprints, runbooks.
• Develops automation to reduce manual tasks and boost reliability.
• Creates templates and playbooks for standard builds and ops.
• Evaluates third-party mainframe software for compliance.
• Identifies opportunities to improve performance and resiliency.
• Supports risk/change management in a high-availability environment.
• Mentors junior staff and fosters collaborative team culture.

Skills

z/OS configuration

SMP/E maintenance

REXX scripting

BAL/Assembler

JES2 management

TSO/ISPF

LPARs/HMC

RMF/IPC Sdiagnosis

Tools

SMP/E

JES2

HMC

RMF

IPCS

TSO/ISPF

Job description

• Designs, engineers, and maintains z/OS platform tools and services aligned with enterprise architecture standards, governance, and security policies
• Provides subject-matter expertise in z/OS infrastructure, supporting application, infrastructure, and engineering teams with technical consultation and best practices
• Translates business and operational requirements into z/OS technical designs, deployment blueprints, standards, and runbooks
• Develops and enhances automation, scripts, and tooling to eliminate manual, repetitive tasks and improve system reliability and efficiency
• Creates reusable templates and playbooks to standardize system builds, configuration, deployment, and ongoing operations
• Evaluates and validates third?party mainframe software and tools for enterprise adoption, ensuring fit-for-purpose and compliance
• Continuously identifies opportunities to improve system performance, resiliency, and operational processes through innovation and modernization
• Contributes to enterprise product and solution evaluations by defining functional and non-functional technical requirements
• Supports risk management, change management, and problem resolution in a regulated, high-availability enterprise environment
• (As applicable) Provides technical guidance, mentoring, and leadership to junior staff while promoting an inclusive, collaborative team culture

Required Qualifications

• Strong experience configuring, maintaining, and supporting the z/OS operating system, including installing new releases, applying maintenance, and managing PTFs, APARs, and USERMODs using System Modification Program Extended (SMP/E).
• Proficient in developing and maintaining system utilities, exits, and automation using REXX and Basic Assembly Language (BAL/Assembler).
• Demonstrated experience administering z/OS UNIX System Services (USS), including file system management, permissions, scripting, and zFS configuration and support.
• Hands-on experience configuring and supporting JES2, including job class definitions, initiator management, spool tuning, and workload controls.
• Strong working knowledge of TSO/ISPF, including panel usage, utility execution, and support for system programming and operational tasks.
• Hands-on experience configuring and managing logical partitions (LPARs) and processor resources using the Hardware Management Console (HMC).
• Demonstrated ability to diagnose and resolve system-level issues, including abends, dumps, hardware errors, and performance problems, using IPCS, EREP, and RMF tools.

Desired Qualifications

• Experience defining and maintaining complex server, storage, and network hardware configurations using Hardware Configuration Definition (HCD).