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Mainframes Developer Jobs in Springfield, IL (NOW HIRING)

Infojini Inc

Cobol Developer

Springfield, IL

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application development. Environment and tools are IBM Mainframe platform, z/OS operating system, TSO/ISPF and DB2.

Infojini Inc

Cobol Developer

Springfield, IL

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application development. Environment and tools are IBM Mainframe platform, z/OS operating system, TSO/ISPF and DB2.

All JobsMainframes Developer JobsMainframes Developer Jobs in Springfield, IL

Mainframes Developer information

See Springfield, IL salary details

$47.6K

$110.9K

$164.5K

How much do mainframes developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for mainframes developer in Springfield, IL is $110,851.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,200.00 and $128,800.00 per year, depending on experience, location, and employer.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What job categories do people searching Mainframes Developer jobs in Springfield, IL look for?

The top searched job categories for Mainframes Developer jobs in Springfield, IL are:

What cities near Springfield, IL are hiring for Mainframes Developer jobs?

Cities near Springfield, IL with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Springfield, IL as of August 2026, with employment types broken down into 79% Full Time, 10% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $110,851 per year, or $53.3 per hour.

Senior NOMAD / Mainframe Application Developer

Alert IT Solutions

Springfield, IL • On-site

$110 - $140/hr

Other

Posted 26 days ago

Job description

Position Summary

We are seeking a highly skilled Senior NOMAD/Mainframe Developer, a high-performing team responsible for supporting and modernizing mission-critical Human Resources applications for the State of Illinois

This position will play a key role in the migration of three major legacy applications currently operating in a NOMAD environment. The successful candidate will help evaluate, design, and execute migration strategies to move these applications either to a NOMAD-based MVS environment or directly to an MVS platform while ensuring uninterrupted support for critical HR and Timekeeping functions used by 5,000–7,000 employees statewide.

This is a highly visible position requiring strong technical expertise, business interaction skills, and the ability to collaborate across Mainframe, MVS, and business teams.

Ideal Candidate

The ideal candidate is a hands-on NOMAD developer who understands legacy mainframe technologies, enjoys solving complex business problems, and is excited by the challenge of helping move critical applications to the next generation of the enterprise platform. The individual thrives in a collaborative environment, possesses strong communication skills, and can effectively bridge the gap between technical teams and business stakeholders.

Key Responsibilities
  • Support, enhance, and maintain mission-critical HR and Timekeeping applications running in a NOMAD/Mainframe environment.
  • Participate in the assessment, planning, and execution of migration efforts from the current NOMAD platform to MVS-based environments.
  • Analyze existing NOMAD applications, data structures, business rules, and dependencies.
  • Design and develop solutions supporting modernization and migration initiatives.
  • Work closely with business stakeholders, HR teams, payroll personnel, and operational users to gather requirements and address production issues.
  • Troubleshoot application, database, batch, and interface issues within NOMAD and MVS environments.
  • Develop and maintain technical documentation, data mappings, and migration artifacts.
  • Support system testing, integration testing, user acceptance testing, and production deployments.
  • Participate in code reviews, knowledge transfer activities, and application support rotations.
  • Collaborate with senior developers and cross-functional technical teams to ensure successful project delivery.

The team supports both NOMAD and MVS platforms and works closely with business users across the department.

Required QualificationsTechnical Skills
  • 5+ years of experience developing and supporting NOMAD applications.
  • Strong knowledge of NOMAD database structures, dictionaries, attributes, segments, and reporting capabilities.
  • Experience with NOMAD commands, queries, screens, reports, and application development.
  • Extensive Mainframe development experience.
  • Experience working within MVS/zOS environments.
  • Strong understanding of batch processing, JCL, and job scheduling.
  • Experience with data migration and legacy application modernization initiatives.
  • Knowledge of database design, data analysis, and application troubleshooting.
  • Experience supporting large enterprise business applications.
Business & Communication Skills
  • Ability to communicate effectively with both technical and non-technical stakeholders.
  • Experience working directly with business users to gather requirements and resolve issues.
  • Strong analytical and problem-solving skills.
  • Ability to work independently in a small team environment.
  • Experience supporting production-critical systems with high visibility.
Preferred Qualifications
  • Experience supporting Human Resources, Payroll, Benefits, or Timekeeping systems.
  • Experience working within government organizations or large public-sector environments.
  • Knowledge of employee lifecycle processes and workforce management systems.
  • Experience participating in platform migration or data conversion projects.
  • Familiarity with legacy system modernization strategies.
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