Mainframe Systems Programmer

Full Stack Development Technical Requirements Artificial Intelligence Enterprise Architecture Business Transformation Security Administration Job Entry Subsystem 2/3 Critical Illness Insurance Zettabyte File System (ZFS) Rexx (Programming Language) COBOL (Programming Language) IBM Hardware Management Console IBM Systems Network Architecture Hardware Configuration Management IBM Resource Access Control Facility IBM Basic Assembly Language And Successors System Modification Program/Extended (SMP/E) Interactive System Productivity Facility (ISPF), TEKsystems is currently looking for a Mainframe Systems Programmer with experience on IBM system Z operating systems and related products, Candidates need to be well versed in maintaining and triaging mainframe operating systems as well as other related products. Candidates must have enterprise experience with multiple environments and able to work independently as well with larger teams.

• 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 Primary Skill Others

Tooling Scripting Operations Leadership Management Automation Mentorship Governance Innovation Resilience Reliability File Systems IBM System Z Risk Management Problem Solving System Software Operating Systems Security Policies Change Management Logical Partition Business Valuation System Programming Networking Hardware Mainframe Computing, * Please specify 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).

• Mainframe security administration, including defining and maintaining RACF profiles, permissions, groups, and system controls, Operations Leadership Management Automation Mentorship Governance Innovation Resilience Reliability File Systems IBM System Z Risk Management Problem Solving System Software Operating Systems Security Policies Change Management Logical Partition Business Valuation System Programming Networking Hardware Mainframe Computing

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company., We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools. Related Jobs Mainframe Systems Programmer TEKsystems Chandler, AZ*Remote z/OS Tooling