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Junior Mainframe Operator Jobs (NOW HIRING)

... operating systems and other 'system' software. Also, the Maintenance and debugging of systems ... to junior team members. * Methodical and disciplined approach to work. * Excellent analytical ...

IMS system programmer

Phoenix, AZ · On-site

$54.50 - $69.50/hr

Mainframe IMS System Programmer: The Role: We are seeking a highly skilled Mainframe IMS System ... Job Qualificat ionsRequired Qualificati * ons:7+ years of experience w ith IBM z/OS operating sy ...

... operating in 54 countries under two brands - Atos for services and Eviden for products and systems ... Mainframe Developer Location: Phoenix, Arizona Position Type: Full Time - Experienced Senior ...

... operating in 54 countries under two brands - Atos for services and Eviden for products and systems ... Mainframe Developer Location: Phoenix, Arizona Position Type: Full Time - • Experienced Senior ...

... Junior team members; • Perform unit/module testing of software; • Actively support and ... of operating as a developer in the IBM mainframe environment • Experience debugging with tools ...

Provide technical guidance and mentoring to junior staff as applicable. Required Qualifications ... Experience configuring, maintaining, and supporting the z/OS operating system, including using ...

Mentor Junior team members; * Perform unit/module testing of software; * Actively support and ... Has mastered the basics of operating as a developer in the IBM mainframe environment; * Experience ...

Mentor Junior team members; * Perform unit/module testing of software; * Actively support and ... Has mastered the basics of operating as a developer in the IBM mainframe environment; * Experience ...

IMS system programmer

Phoenix, AZ

$54.50 - $69.50/hr

The Role Mainframe IMS System Programmer: The Role: We are seeking a highly skilled Mainframe IMS ... Who You Are Required Qualifications: * 7+ years of experience with IBM z/OS operating system

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How much do junior mainframe operator jobs pay per year?

As of Aug 12, 2026, the average yearly pay for junior mainframe operator in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

What does a junior mainframe operator do?

As a Junior Mainframe Operator, your daily responsibilities typically include monitoring system performance, running batch jobs, troubleshooting minor errors, and escalating complex issues to senior team members. You’ll be responsible for ensuring that scheduled processes execute correctly, assisting with backups, and maintaining detailed records of system events. Collaboration with other IT professionals, such as system administrators and application support teams, is common to ensure seamless business operations. Over time, you'll have opportunities to take on greater responsibilities, such as handling advanced troubleshooting or learning to script automated tasks. This role provides a strong foundation for advancing into more senior mainframe or systems administration positions.

What are the key skills and qualifications needed to thrive as a junior mainframe operator?

To thrive as a Junior Mainframe Operator, you need a foundational understanding of computer systems, basic programming or scripting knowledge, and a high school diploma or associate degree in IT or a related field. Familiarity with mainframe environments such as IBM z/OS, job control language (JCL), and monitoring tools like TSO/ISPF or SDSF is highly beneficial. Attention to detail, strong problem-solving abilities, and effective communication skills will help you excel in this role. These skills ensure efficient mainframe operations, minimize downtime, and facilitate productive teamwork within IT departments.

What is a junior mainframe operator?

A Junior Mainframe Operator is responsible for monitoring and maintaining mainframe computer systems to ensure smooth operation. They assist in running batch jobs, troubleshooting system issues, and performing routine maintenance tasks under supervision. Their role often includes responding to system alerts, maintaining logs, and escalating problems to senior operators or IT teams. This position is typically entry-level and provides a foundation for advancing into more technical mainframe roles.

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What cities are hiring for Junior Mainframe Operator jobs? Cities with the most Junior Mainframe Operator job openings:
What are the most commonly searched types of Mainframe Operator jobs? The most popular types of Mainframe Operator jobs are:
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What job categories do people searching Junior Mainframe Operator jobs look for? The top searched job categories for Junior Mainframe Operator jobs are:
Infographic showing various Junior Mainframe Operator job openings in the United States as of August 2026, with employment types broken down into 43% Full Time, 55% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Senior Mainframe Systems Programmer - zOS

Ensono

Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Job description

Position Summary
The Senior Mainframe Systems Programmer provides support for on-going projects that require the installation, testing, and implementation of new z/OS operating systems and other 'system' software. Also, the Maintenance and debugging of systems software. Research and evaluation of new software and hardware products, assisting team members and other areas with technical questions and problem resolution. Monitoring and tuning of systems software. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, and other z/OS supporting systems software. Note: This is not an Applications Programming position.
Key Areas of Focus for this Role
  • Provide thought leadership in terms of future direction for Automation strategy for Ensono. Look at best practices, tools and process in the context of Ensono's business, operations, and customers.
  • Be the subject matter expert and main point of contact for key projects and initiatives. Using proven communication, analytical, and problem-solving skills to identify, communicate, and resolve issues to optimize our applications.

• Participate in On-call Schedule.
  • Incident / Problem resolution

z/OS & Tools your main tasks are related to:
• Incident, change and problem handling.
• Configuration and customization.
• Setup of parameters.
• Communication with vendors.
• Participation/contribution to technical projects.
• In depth knowledge and understanding of z/OS and related product software z/OS.
• PARMLIB configuration and JES2 customization.
• Ability to support in solving problems and implementing changes on z/OS environments.
• Advanced knowledge of TSO/ISPF, SDSF, JCL.
• Excellent written and verbal skills.
• Ability to take the lead in problem solving and coordination of multi-disciplinary groups.
• Strong analytical and problem-solving skills.
What the Ideal Candidate Brings to this Role
Required Qualifications help to assure new Associates are set up for success in their role with Ensono. To be considered for this career opportunity, it is important that you meet all Required Qualifications. Candidates that may meet some, but not all, Other Qualifications are still encouraged to apply.
Required Qualifications
  • Minimum of 10+ years of experience within a mainframe environment within a large enterprise or equivalent combination of education and experience

• Bachelor's degree required and/or equivalent work experience
  • Knowledge and understanding of z/OS and z/OS installation and maintenance including SMP/E.
  • Advanced knowledge of TSO/ISPF, SDSF, JCL.
  • Advanced knowledge of Unix System Services (USS)
  • Advanced knowledge of Unix System Services (USS) file system management and security
  • Experience installing software within Unix System Services (USS)
  • Ability to work well as a team member.
  • Stress resistant in case of Major Incident- and/or emergency situations.

• Exceptional interpersonal, verbal and written communication skills
• Customer Service skills at management level
• Strong collaboration and teamwork skills
• Must be self-motivated and able to manage multiple projects simultaneously.
• Strong communication skills to liaise with cross-functional teams as well as provide guidance to junior team members.
  • Methodical and disciplined approach to work.
  • Excellent analytical skills and problem-solving capabilities.
  • Good planning and organizational skills.
  • Initiative and good learning abilities.

Other Qualifications
• Ability to perform skill set of a Mainframe System Programmer
• Ability to perform complex ISV installations
• Ability to perform and lead complex projects
• Ability to mentor and show leadership qualities
  • Knowledgeable in z/OS security.
  • Knowledgeable in z/OS systems programming functions.
  • Knowledgeable in DB2, CICS or IMS.
  • Understand z/OS services structure, Parallel Sysplex, Catalog management.

Why Ensono?
Ensono is a place to make better happen - for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it.
We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices.
Some of our benefits include:
  • Unlimited Paid Days Off
  • Three health plan options through Blue Cross Blue Shield
  • 401k with company match
  • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
  • Paid Maternity Leave, Paternity Leave, and Sabbatical Leave
  • Education Reimbursement, Student Loan Assistance or 529 College Funding
  • Enhanced fertility coverage
  • Wellness program
  • Flexible work schedule
  • Depending on location, ability to take advantage of fitness centers

As of the date of this posting, a good faith estimate of the current pay scale for this role is $85,000 to $148,000 annually based on a full-time schedule. Please note that placement in the range may vary based on numerous factors including but not limited to skills, experience, internal equity, and business needs. In addition to base salary, other compensation programs, depending on eligibility, include an annual bonus plan based on company and individual performance, and an equity grant under our Associate Equity Appreciation Program.
Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.
Pay transparency nondiscrimination statement/posting OFCCP's pay transparency policy can be found on OFCCP's website.
If you need accommodation at any point during the application or interview process, please let your recruiter know or email USTalentAcquisition@esnono.com.

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About Ensono

Sourced by ZipRecruiter

At Ensono, our **Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to** **_Do Great Things!_** We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Downers Grove, IL, US

Year founded

1969

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