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Junior Mainframe Programmer Jobs in Illinois (NOW HIRING)

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Junior Mainframe Programmer information

What is a junior mainframe programmer?

Junior Mainframe Programmers are entry-level professionals who work with mainframe computer systems, typically maintaining, developing, and troubleshooting software written in languages like COBOL, JCL, or Assembler. They assist in supporting legacy systems that handle large-scale data processing tasks for industries such as banking, insurance, and government. Their responsibilities often include coding, debugging, running batch jobs, and ensuring that mainframe applications run smoothly under the supervision of senior programmers.

What are the typical responsibilities of a junior mainframe programmer in their first year on the job?

In their first year, a Junior Mainframe Programmer is usually responsible for maintaining and updating existing mainframe applications, assisting with coding tasks, debugging programs, and performing routine batch processing operations. They often work under the guidance of senior programmers and participate in code reviews, documentation, and testing activities. Collaboration with analysts, QA testers, and other IT professionals is common to ensure program changes meet requirements and function smoothly in the production environment.

What are the key skills and qualifications needed to thrive as a junior mainframe programmer, and why are they important?

To thrive as a Junior Mainframe Programmer, you need a solid understanding of programming languages like COBOL, JCL, and SQL, often supported by a degree in computer science or related field. Familiarity with IBM mainframe environments, version control systems, and database management tools is crucial for daily tasks. Attention to detail, problem-solving skills, and the ability to learn quickly help you adapt to legacy systems and collaborate with senior developers. These skills are essential to ensure reliable system maintenance, effective troubleshooting, and smooth integration within enterprise IT teams.

What are the most commonly searched types of Mainframe Programmer jobs in Illinois?

The most popular types of Mainframe Programmer jobs in Illinois are:

What are popular job titles related to Junior Mainframe Programmer jobs in Illinois?

For Junior Mainframe Programmer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Junior Mainframe Programmer jobs in Illinois look for?

The top searched job categories for Junior Mainframe Programmer jobs in Illinois are:

What cities in Illinois are hiring for Junior Mainframe Programmer jobs?

Cities in Illinois with the most Junior Mainframe Programmer job openings:

Infographic showing various Junior Mainframe Programmer job openings in Illinois as of August 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, and 25% Remote job distribution.

IBM z/VM Systems Administrator (ISA I)

Illinois Secretary of State

Springfield, IL • On-site

$6.9K - $12K/mo

Other

Posted 16 days ago


Job description

Office of the Illinois Secretary of State Alexi Giannoulias
Job Title: Information Systems Advisor I - IBM zVM Systems Administrator
Division: Technology Office - Infrastructure
Union: IFT
Location: 501 S 2 nd St., Springfield, IL - Sangamon County
Salary: Range from $6,962 to $12,950 monthly. Commensurate with experience
Benefits:
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:
Responsible for managing and maintaining the State's mission-critical IBM mainframe virtualization infrastructure. This role acts as an IBM z/VM Administrator and is responsible for the installation, configuration, monitoring, and administration of IBM z/VM environments, ensuring system stability, performance, and security in support of statewide business applications and services. Must have deep expertise in z/VM systems management, zLinux virtualization, and resource administration, with the ability to work independently and collaboratively on high-availability, enterprise-scale environments.
Duties and Responsibilities:
System Administration
  • Install, configure, and maintain IBM z/VM operating environments.
  • Apply maintenance, service packs, and system upgrades.
  • Monitor and manage z/VM system resources including CPU, memory, and I/O.
User and Resource Management
  • Administer virtual machine definitions, directory entries, and user access.
  • Manage z/VM spool, minidisks, and shared resources.
  • Maintain performance tuning and capacity planning documentation.
Security & Compliance
  • Implement and enforce RACF policies for z/VM directory and resource access.
  • Configure and support secure networking with AT-TLS and SSL/TLS keyrings.
  • Ensure compliance with SOC2, IRS Pub 1075, and other State of Illinois security frameworks.
Disaster Recovery & High Availability
  • Participate in Disaster Recovery (DR) testing and system restoration planning.
  • Develop and maintain z/VM recovery runbooks and operational procedures.
Support & Collaboration
  • Troubleshoot and resolve z/VM system issues, performance problems, and outages.
  • Work with vendors (IBM, HPE, etc.) and internal DoIT teams for upgrades, migrations, and issue resolution.
  • Provide documentation, training, and mentoring to junior staff and operations personnel.
  • 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 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 ) or Springfield ).
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.