ZipRecruiter

Log In

1

Ibm Mainframe Computer Operator Jobs in Illinois

Broadcom

R&D Software Engineer

Lisle, IL

Has mastered the basics of operating as a developer in the IBM mainframe environment; * Experience debugging with tools like XDC, IPCS; * Experience in software development using IBM Assembler/Metal ...

360 IT Professionals

Java/J2EE Architect

Chicago, IL · On-site

$65 - $87.50/hr

... and virtual operating systems, and between mainframe application systems and various IBM and ... in computer science or directly related fields, supplemented by five years of professional ...

Trans.eu

Mainframe Programmer

Chicago, IL · On-site

Design, code, test, debug, document, maintain, and modify computer programs of high complexity ... operating efficiency and organizational needs of existing application systems and identify ...

Software Technology Inc

ETL Developer

Chicago, IL · On-site

$52.50 - $68.75/hr

... IBM Mainframe flat files as source to SQL Server tables * Experience with data conversion ... Supports software applications/operating systems through data research and debugging.

JConnect Infotech

Mainframe Developer

Kankakee, IL · On-site

$47 - $60.50/hr

... computer programs of high complexity, significance, and risk • Participate in application ... operating efficiency and organizational needs of existing application systems and identify ...

Broadcom

R&D SW Engineer

Lisle, IL

Bachelor's degree in Computer Science, Engineering, or a related technical field with 8+ years of ... Experience with ISPF/CLIST, IBM C, or RESTful API integration from mainframe * Knowledge of ...

next page

Showing results 1-20

All JobsIbm Mainframe Computer Operator JobsIbm Mainframe Computer Operator Jobs in Illinois

Ibm Mainframe Computer Operator information

See Illinois salary details

$9

$51

$70

How much do ibm mainframe computer operator jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for ibm mainframe computer operator in Illinois is $51.72, according to ZipRecruiter salary data. Most workers in this role earn between $45.67 and $58.70 per hour, depending on experience, location, and employer.

What is an IBM Mainframe Computer Operator job?

An IBM Mainframe Computer Operator monitors and controls mainframe computer systems, ensuring they run efficiently and without errors. They perform batch processing, troubleshoot system malfunctions, and follow operational procedures to maintain uptime. Operators may also handle backups, schedule jobs, and work with system administrators to resolve technical issues. This role is essential for businesses relying on mainframes for critical operations.

What are the key skills and qualifications needed to thrive in the Ibm Mainframe Computer Operator position, and why are they important?

To thrive as an IBM Mainframe Computer Operator, you need a solid understanding of mainframe operating systems, batch processing, and job scheduling, often supported by a degree in computer science or related IT certifications. Familiarity with tools such as IBM z/OS, JCL (Job Control Language), and mainframe monitoring software is typically required. Attention to detail, problem-solving abilities, and effective communication are essential soft skills for this position. These competencies ensure that mainframe operations run smoothly, errors are minimized, and mission-critical systems remain reliable in high-demand environments.

What are the typical daily responsibilities of an IBM Mainframe Computer Operator?

As an IBM Mainframe Computer Operator, your daily tasks typically include monitoring mainframe systems, executing and troubleshooting batch jobs, and responding to system alerts or hardware issues. You'll often work closely with other IT staff to ensure scheduled processes complete successfully and help resolve incidents that may impact business operations. Routine duties may also involve maintaining logs, performing system backups, and following established operating procedures to support organizational data integrity. The role usually operates in shifts, given the need for round-the-clock system availability, and may require occasional overtime or weekend work.

What are popular job titles related to Ibm Mainframe Computer Operator jobs in Illinois? For Ibm Mainframe Computer Operator jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Ibm Mainframe Computer Operator jobs in Illinois look for? The top searched job categories for Ibm Mainframe Computer Operator jobs in Illinois are:
What cities in Illinois are hiring for Ibm Mainframe Computer Operator jobs? Cities in Illinois with the most Ibm Mainframe Computer Operator job openings:
Ibm Mainframe Computer Operator jobs near you
Infographic showing various Ibm Mainframe Computer Operator job openings in Illinois as of June 2026, with employment types broken down into 88% Full Time, and 12% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,587 per year, or $51.7 per hour.
Information Systems Advisor I - zOS Systems Programmer Mainframe Network Specialist

Information Systems Advisor I - zOS Systems Programmer Mainframe Network Specialist

Illinois Secretary of State

Springfield, IL • On-site

$6.7K - $12K/mo

Full-time

Posted 27 days ago

Job description

Office of the Illinois Secretary of State Alexi Giannoulias
Job Title: Information Systems Advisor I - zOS Systems Programmer Mainframe Network Specialist
Division: Technology Office - Infrastructure
Union: IFT
Location: 501 S 2nd St., Springfield, IL - Sangamon County
Salary: Range from $6,759 to $12,573 monthly. Commensurate with experience
Benefits: https://cms.illinois.gov/benefits/stateemployee.html
Attention: Applicants must be authorized to work in the United States; the Office of the Secretary of State will not complete certification and/or sponsorship requests.
Overview:
Will serve as a senior resource to assist ILSOS with general system administration for an IBM z16 mainframe and DR environment with experience in maintaining and assisting with mainframe network administration, security certificates, SFTP, APIs, TCPIP. The role is critical to ensuring the resilience, availability, security, and compliance of the State's enterprise mainframe infrastructure. The successful candidate will work with IBM, HPE, and internal IT teams to design, implement, monitor, primary and secondary mainframe systems that support the Secretary of State's mission-critical applications.
Duties and Responsibilities:
  • Provide advanced system administration and technical leadership for IBM z/OS mainframe systems.
  • Manage and maintain network configurations, connectivity, and communication protocols (SNA, TCP/IP, VTAM, NJE, etc.) in the mainframe environment.
  • Troubleshoot and resolve complex system, network, and application-level issues, driving root cause analysis and long-term corrective actions.
  • Assist with planning and application of system maintenance, software upgrades, and PTFs, coordinating with system programmers and vendor support.
  • Administer and enforce mainframe security policies (RACF, ACF2, or Top Secret), including user access management and compliance controls.
  • Participate in and provide guidance for problem, change, and incident management processes, ensuring timely resolution and documentation.
  • Collaborate with infrastructure, application, and network teams to ensure seamless integration and high availability across systems.
  • Mentor junior administrators and contribute to process improvement and automation initiatives.
  • Performs other duties as required or assigned.
Education and Experience:
Requires knowledge, skill, and mental development equivalent to the completion of two years of college, with coursework in the computer science field AND four years of experience with technical systems and/or programming experience and/or IT project management OR any equivalent combination of education and experience.
Knowledge, Skills and Abilities:
  • Requires extensive knowledge of systems design and implementation, including the way programs are written, compiled, and tested, the methods of operating computers, and the way data is transcribed into a form suitable for reading by computer and has an appreciation of the wider business context for those programs.
  • Requires excellent oral and written communication skills for effective engagement with colleagues and internal users/customers.
  • Requires extensive knowledge necessary to effectively perform the ability to exercise sound judgement in analyzing, appraising, evaluating, and solving problems of a procedural, organizational, administrative, and technical nature.
  • Requires awareness and adherence to organizational standards for security, privacy and ethics.
  • Requires extensive knowledge of the devices for capturing data for computers and the means available for receiving and transmitting data from remote locations to a computer.
  • Requires extensive knowledge of the principles and techniques of computer system documentation.
  • Requires extensive knowledge of the advantages and limitations of computer communication, and information retrieval systems as management information tools.
  • Requires the ability to organize facts and findings, analyze data logically and to present results with clarity and comprehension, orally and in written or graphic form.
  • Requires the ability to use and understand appropriate methods, tools, applications, and processes to demonstrate a rational and organized approach to work.
  • Requires willingness to travel and possession of a valid Illinois driver's license as required by individual positions within the class.
  • Requires the ability to push/pull, lift and carry up to 50 lbs. Requires a valid Illinois Driver's License.
Application Process:
  • Please visit https://ilsos.applytojob.gov/apply to apply by completing the online application; you may also upload a resume or other attachments as needed.
  • Preference will be given to Illinois residents in the hiring and selection process, in accordance with the Illinois Secretary of State Merit Employment Code.
  • Questions regarding this posting or Illinois Secretary of State employment practices may be directed to Job Counselors at our Personnel offices in Chicago (312-793-5515) or Springfield (217-782-4783).
Equal Employment Opportunity Employer. Applicants must be lawfully authorized to work in the United States.
Applicants are considered for all positions without regard to race, color, religion, sex, national origin, sexual orientation, age, marital or veteran status, or the presence of a non-job-related medical condition or disability.

Apply