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Junior Mainframe Operator Jobs (NOW HIRING)

Ameren Services

Engineering Rep

La Salle, IL · On-site

Initiate and complete jobs using various Company computer and mainframe systems. * Assist in the ... Support the requirements of the Operating Center, assisting other team members as needed. Primary ...

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How much do junior mainframe operator jobs pay per year?

As of Jun 8, 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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Junior Mainframe Operator jobs near you
Junior Technical Analyst

Junior Technical Analyst

Western & Southern Financial Group

Cincinnati, OH • On-site

Full-time

Posted 12 days ago

Western & Southern Financial Group rating

8.9

Company rating: 8.9 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

45th of 260 rated insurance

Job description

Overview
Assists in research, analysis, definition, design, testing, checking and planning activities and applying new technologies to processes. Recommends courses of action on new applications development when systems problems arise. Monitors the rapidly changing systems development environment (software products, programming languages, operating systems, hardware availability, technology trends, etc.) and assists with the transition to new technologies, providing research and problem-solving support, mentoring, training, etc. Has contact with all levels of personnel, both within and outside of Western & Southern Financial Group (W&SFG). Works with minimal supervision and is responsible to make an established range of decisions, escalates to manager when necessary and updates manager on a regular basis.
Responsibilities
What you will do
  • Participates in monitoring new developments in software/hardware marketplace. Assists in identifying new products with potential benefit to W&SFG and conducts research and analysis of these products. Demonstrates the applicability of tools in real-world applications.
  • Monitors emerging technology trends (mobile computing, imaging, client/server, data warehousing, object-oriented design, etc.), investigates their use in W&SFG and recommends adoption of new technologies/methodologies when appropriate.
  • Provides "swat team" style support to development projects, by resolving problems of a moderately complex, technical nature. Ensures projects remain on track with very aggressive schedules.
  • Assists in developing standards/guidelines that influence implementation of new technologies throughout W&SFG development staff.
  • Participates in research, definition, design, development, testing, checkout and debugging of new systems, new technologies and/or systems' improvements; frequently assists in handling projects, from research to implementation.
  • Assists in design elements of new systems and modifications with consideration for the elements of time, cost, controls and flexibility. Assures that programming is hardware efficient, and utilizes all system tools effectively. Assists in walk-throughs and program inspections.
  • Functions as a coordinator of activities within and between programming departments and/or between operating departments and programming departments.
  • Provides moderately complex technical and application problem analysis.
  • Assists in evaluating and determining feasibility of proposed projects and evaluates new software packages in terms of cost, resources required, systems compatibility, etc., and makes recommendations.
  • Performs other duties as assigned.
  • Complies with all policies and standards.

Qualifications
Qualifications
  • Bachelor's Degree Or commensurate selection criteria experience - Required
  • Demonstrated experience setting goals and successfully implementing and achieving goals. Cite examples of seeking to improve business and technical processes. - Required
  • Demonstrated experience effectively handling customers and providing excellent service - Required
  • Demonstrated experience working effectively within a team. Cite examples of motivating co-workers in difficult situations. - Required
  • Demonstrated ability to function on a project level, on application and technical projects, with little or no supervision. -
  • Demonstrated adaptability when required to adjust to multiple demands, shifting priorities, ambiguity and rapid change. Cite examples. -
  • Proven strong analytical skills, including demonstrated experience identifying and quantifying problems and providing effective resolutions. Cite examples of good decision-making skills when dealing with multiple alternatives. -
  • Must provide examples of working under multiple deadlines and minimal supervision. Cite examples of successfully organizing and effectively completing projects where given little or no direction. -
  • Possesses and displays excellent verbal and written communication skills with ability to convey information to internal and external customers in a clear, focused and concise manner. -
  • Working knowledge of word processing, spreadsheet and database applications. -
  • Proven skills in working in most aspects of a mainframe/communications/open systems environment. -

Work Setting/Position Demands:
  • Works in an office setting and remains in a stationary position for long periods of time while working at a desk, on a computer or with other standard office equipment, or while in meetings.
  • Requires the ability to verbally communicate and exchange accurate information to customers and associates on a regular basis.
  • Requires visual acuity to read and interpret a variety of correspondence, procedures, reports and forms via paper and electronic documents, visual inspection involving small defects; small parts, and/or operation of machinery (including inspection); using measurement devices continuously. Visual acuity is required to determine accuracy, neatness, and thoroughness of work assigned.
  • Requires the ability to prepare written correspondence, reports and forms using prescribed formats and conforming to rules of punctuation, grammar, diction, and style on a regular basis.
  • Requires the ability to apply principles of logical thinking to define problems, collect data, establish facts, and draw valid conclusions
  • Performs substantial movement of wrists, hands, and fingers for continuous computer work.
  • Extended hours required during peak workloads or special projects/events.

Travel Requirements:
    • None

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