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Mainframes Developer Jobs in McHenry, IL (NOW HIRING)

Staffingine LLC

Tandem Developer

Rolling Meadows, IL · On-site

$49.25 - $63.25/hr

Tandem Developer Job Location: Rolling Meadows,IL Job Type: Contract Technical Skills: * Strong ... CICS,JCL,Mainframe Enterprise Cobol,Mainframe DB2,Z/OS,CICS Admin,Mainframe - COBOL/JCL/CICS ...

blueStone

Database Administrator

Barrington, IL · On-site

The Database Administrator will assist developers with tuning of code to ensure successful ... SQL Server, Oracle, Progress, MySQL or DB2 Intermediate skills in UNIX, Windows and/or mainframe ...

Siri InfoSolutions Inc

Pega Test Lead

Schaumburg, IL · On-site

$130K - $145K/yr

... mainframe environments. ⦁ Strong understanding of claims lifecycle, business rules, and ... Agile, DevOps, and CI/CD environments. ⦁ Excellent communication and stakeholder management ...

All JobsMainframes Developer JobsMainframes Developer Jobs in McHenry, IL

Mainframes Developer information

See McHenry, IL salary details

$47.2K

$110.1K

$163.4K

How much do mainframes developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for mainframes developer in McHenry, IL is $110,095.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,600.00 and $128,000.00 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 cities near McHenry, IL are hiring for Mainframes Developer jobs?

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

Mainframes Developer jobs near you

Tandem Developer

Staffingine LLC

Rolling Meadows, IL • On-site

$49.25 - $63.25/hr

Contractor

Re-posted 6 days ago

Job description

Job Title: Tandem Developer 
Job Location: Rolling Meadows,IL 
Job Type: Contract 

Job Description:  

Technical Skills: 

  • Strong experience with Tandem HP NonStop systems and tools 

  • Proficiency in Tandem programming languages such as COBOL and TACL 

  • Knowledge of Tandem database systems like Enscribe or SQLMP 

  • Familiarity with Tandem utilities such as Pathway TMF and Guardian 

  • Experience with batch processing and online transaction processing OLTP 

  • Understanding of system performance tuning and optimization techniques 

Soft Skills: 

  • Strong analytical and problem-solving skills 

  • Excellent communication and interpersonal abilities 

  • Ability to work independently and collaboratively 

  • Strong attention to detail and commitment to quality 

Required Education or Experience: 

  • Bachelor’s degree in computer science information technology or a related field 

  • Minimum 5 years of experience in Tandem development and analysis 

  • Experience in insurance claims handling or related industries is a plus 

Skills 

  • Mandatory Skills : CICS,JCL,Mainframe Enterprise Cobol,Mainframe DB2,Z/OS,CICS Admin,Mainframe - COBOL/JCL/CICS,Mainframe - COBOL/JCL/DB2,Mainframe COBOL