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Mainframe Jobs in Springfield, IL (NOW HIRING)

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$10

$52

$71

How much do mainframe jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for mainframe in Springfield, IL is $52.90, according to ZipRecruiter salary data. Most workers in this role earn between $46.68 and $60.05 per hour, depending on experience, location, and employer.

What is the average salary for mainframe jobs?

The average salary for mainframe professionals typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or specialized skills in mainframe environments, such as COBOL or JCL, can command higher salaries. Many positions also offer benefits like retirement plans and training opportunities.

What jobs in the US pay 300,000 a year?

Mainframe professionals such as senior systems architects, lead developers, and IT managers with extensive experience and specialized skills can earn $300,000 or more annually. These roles often require expertise in mainframe technologies like COBOL, JCL, and mainframe security, along with certifications and leadership responsibilities.

What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What Is a Mainframe Application Developer Job Description?

The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.

What are mainframes and what do they do?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

Can AI replace mainframe?

Mainframe professionals work with large-scale, mission-critical systems that require specialized skills in legacy technologies, security, and data management. While AI can automate certain tasks like data analysis and system monitoring, it is unlikely to fully replace mainframe roles due to the complexity and reliability requirements of mainframe environments. Instead, AI tools are often integrated to enhance efficiency and support mainframe operations.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

More about Mainframe jobs
What are the most commonly searched types of Mainframe jobs in Springfield, IL? The most popular types of Mainframe jobs in Springfield, IL are:
What are popular job titles related to Mainframe jobs in Springfield, IL? For Mainframe jobs in Springfield, IL, the most frequently searched job titles are:
What job categories do people searching Mainframe jobs in Springfield, IL look for? The top searched job categories for Mainframe jobs in Springfield, IL are:
What cities near Springfield, IL are hiring for Mainframe jobs? Cities near Springfield, IL with the most Mainframe job openings:
Mainframe jobs near you
Information Systems Advisor I - IBM zVM Systems Administrator

Information Systems Advisor I - IBM zVM Systems Administrator

Illinois Secretary of State

Springfield, IL • On-site

$6.7K - $12K/mo

Other

Posted 28 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 $6,759 to $12,573 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.

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