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Junior Mainframe Operator Jobs (NOW HIRING)

Above average knowledge of the z/OS operating system. * Familiarity with tape and DASD replication ... Ability to mentor and train Jr. Hardware Configuration team members * Knowledge of z/VM or z/Linux ...

Above average knowledge of the z/OS operating system. * Familiarity with tape and DASD replication ... Ability to mentor and train Jr. Hardware Configuration team members * Knowledge of z/VM or z/Linux ...

Mainframe z/OS System Programmer

Boston, MA · On-site

$59.75 - $76/hr

Plan, prepare, and execute z/OS operating system upgrades (e.g., from z/OS 2.x to z/OS 3.x ... Mentor junior systems programmers and share knowledge effectively. * Security and Compliance:

Above average knowledge of the z/OS operating system. * Familiarity with tape and DASD replication ... Ability to mentor and train Jr. Hardware Configuration team members * Knowledge of z/VM or z/Linux ...

Above average knowledge of the z/OS operating system. * Familiarity with tape and DASD replication ... Ability to mentor and train Jr. Hardware Configuration team members * Knowledge of z/VM or z/Linux ...

Mainframe Systems Engineer (T2P)

Reston, VA · On-site

$57.25 - $72.75/hr

Ensure proper procedures are followed to introduce changes and fixes into the operating environment ... Willing and able to mentor junior engineers * Base UNIX and Windows commands and structure.

Mainframe Systems Engineer (T2P)

Washington, DC · On-site

$62.25 - $79.25/hr

Ensure proper procedures are followed to introduce changes and fixes into the operating environment ... Willing and able to mentor junior engineers * Base UNIX and Windows commands and structure.

Mainframe Developer-----Need GC and USC

Columbus, OH · On-site

$47.25 - $60.75/hr

... junior developers and make sure line commitments are covered from iteration to iteration ... operating time, and form of desired results. Designs, codes, tests, debugs, and documents those ...

Senior Mainframe Technical Engineer

Columbia, SC · On-site

$100K - $131K/yr

... operating systems, development languages/scripting Preferred * Expert level z/OS Mainframe Systems ... Experience and willingness to mentor junior technical engineers and help develop their skills and ...

Senior Mainframe Technical Engineer

Boston, MA · On-site

$133K - $175K/yr

... operating systems, development languages/scripting Preferred * Expert level z/OS Mainframe Systems ... Experience and willingness to mentor junior technical engineers and help develop their skills and ...

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Junior Mainframe Operator information

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How much do junior mainframe operator jobs pay per year?

As of Jun 30, 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 types of tasks and responsibilities can I expect as a Junior Mainframe Operator?

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 in the Junior Mainframe Operator position, and why are they important?

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 job?

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 June 2026, with employment types broken down into 1% Full Time, and 99% Part Time. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.
Mainframe Systems Programmer - Hardware

Mainframe Systems Programmer - Hardware

Ensono

Saint Paul, MN • On-site

$102K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago


Key responsibilities

  • Configure mainframe hardware equipment such as HCD, IOGEN, and IOCP.

  • Serve as an escalation point for mainframe hardware issues including failed Tape Drives, offline devices, and Call Home.

  • Coordinate and apply hardware MES's and support hardware lifecycle activities including hardware upgrades and migrations.


Job description

Mainframe Systems Programmer - HardwareRemote - United StatesJR013743

Mainframe Systems Programmer - Hardware

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.

We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose:

Honesty, Reliability, Curiosity, Collaboration, and Passion.

About the role and what you'll be doing:

As the Senior Solution Delivery Architect, you will be responsible for configuration of mainframe hardware equipment such as HCD, IOGEN and IOCP. During new client migrations, you will be the point person for configuring client environments within Ensono data centers to mimic existing client environment. You will serve as an escalation point for mainframe hardware issues such as failed Tape Drives, offline devices, and Call Home. You will be responsible for coordinating and applying hardware MES's. To support hardware lifecycle activities, you will be responsible for upgrading existing client's hardware including Mainframe CPU's, DASD and Tape.

We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply.

What You Will Do:

  • Define (GEN) mainframe equipment to be connected to Mainframe CPU

  • Support existing mainframe equipment for functionality, break/fix, and upgrades

  • Evaluate client systems for migrating into Ensono data centers

  • Evaluate proposed solutions for supportability

What You Will Need:

  • 7 years experience working within a z/OS environment supporting Tape, DASD, CPU, and other mainframe hardware equipment.

  • Experience creating HCD and IOCP for zOS, zVM, and zVSE in a complex, geographically dispersed multi data center environment.

  • Be able to support multiple client hardware upgrades and data center migrations.

  • Senior level familiarity with Z Series HMC and support element.

  • Ability to lead new customer hardware migrations and current client hardware upgrades with little direction.

  • Above average understanding of the network connectivity requirements for the mainframe, DASD and Tape subsystem HMCs.

  • Ability to interact with account management and project managers.

  • Experience interacting with vendors and geographically disperse Data Center support staff and implementation teams.

  • Strong analytical, problem definition, and problem resolution skills.

  • Able to follow multiple ITSM processes and procedures. Good familiarity with Excel, Visio and MS Project or their equivalent.

  • Ability to evaluate proposed architecture for supportability prior to sharing with clients.

  • The successful candidate will be able to design hardware solutions to meet client and business requirements.

  • Above average knowledge of the z/OS operating system.

  • Familiarity with tape and DASD replication methodologies for various mainframe vendors.

  • Build and maintain mainframe DR configurations for multiple clients at multiple different Recovery Facilities.

  • Participate in Disaster Recovery Tests.

  • Familiarity with data encryption technologies on the mainframe.

  • Familiarity with Putty.

  • Ability to mentor and train Jr. Hardware Configuration team members

  • Knowledge of z/VM or z/Linux considered a plus.

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

  • 401k with company match

  • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts

  • Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement

  • Paid childbearing and paternal leave

  • Education Reimbursement, Student Loan Assistance or 529 College Funding

  • Sabbatical leave

  • Wellness program

  • Flexible work schedule

As of the date of this posting, a good faith estimate of the current pay scale for this role is $102,000 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 onOFCCP's website (https://www.dol.gov/sites/dolgov/files/OFCCP/pdf/pay-transp_%20English_formattedESQA508c.pdf) .

If you need accommodation at any point during the application or interview process, please let your recruiter know or email USTalentAcquisition@ensono.com .

JR013743


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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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