Mainframe Computer Operator

The Mainframe Computer Operator is responsible for monitoring, analyzing, and supporting a wide range of batch jobs running on MVS / OS390 systems. This role requires strong problemsolving skills, experience with JCL, and the ability to work across both mainframe and client / server environments. The operator will collaborate with developers, production support teams, and customers to ensure reliable and efficient job scheduling, execution, and documentation.

• Key Responsibilities
• Monitor batch workloads on the mainframe, ensuring successful job completion across complex job flows.
• Troubleshoot and resolve job abends, including reviewing or modifying JCL as needed.
• Perform scheduling tasks and job submissions for developers and end users.
• Utilize scheduling tools-preferably ControlM-to manage job runs, dependencies, and workflows.
• Serve as a liaison between technical developers and production support teams.
• Operate effectively across Acceptance and Production environments.
• Document incidents and problem resolutions using Tivoli tools.
• Create, modify, and review job documentation and ensure accuracy of operational procedures.
• Perform functional testing and create ChangeMan packages for mainframe deployments.
• Maintain AJS best practices and perform QA checks to ensure compliance with organizational standards.
• Participate in SUITES / CEDARS meetings as required.
• Provide training, mentorship, and guidance to other staff members.
• Required Skills & Qualifications
• Experience as a Mainframe Computer Operator in MVS / OS390 environments.
• Strong knowledge of JCL, SDSF, TSO, and related mainframe utilities.
• Familiarity with scheduling tools such as ControlM or equivalent platforms.
• Ability to analyze complex scheduling flows and identify issues or risks.
• Strong teamwork skills with the ability to work independently when needed.
• Excellent interpersonal, communication, and documentation skills.
• High level of dependability, attention to detail, and a positive, proactive mindset.
• Ability and desire to learn all aspects of CPS production operations.
• Technical Environment
• Mainframe :
• CICS, TSO, SDSF, JCL, IDMS, DB2, VSAM, ChangeMan, HODv10
• Scheduling / Monitoring :
• ControlM, Argent (AJS), Tivoli
• Workstation / Client Systems :
• Thin Client, MS Office products
• Platforms :
• Mainframe & LAN environments
• Work Schedule
• Wednesday-Friday :
• 1 : 30 PM - 10 : 30 PM
• Saturday :
• 5 : 30 PM - 6 : 30 AM
• Job Type & Location

This is a Contract position based out of Madison, WI.

• Pay and Benefits
• The pay range for this position is $28.00 - $30.00 / hr.

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
• This is a hybrid position in Madison,WI.
• Application Deadline
• This position is anticipated to close on Jan 9, 2026.

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About TEKsystems :

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.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

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.