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Mainframe Developer Jobs in Buffalo Grove, 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 ...

Ensono

Mainframe Security Engineer

Downers Grove, IL · On-site

Employee The primary role of the Mainframe System Security Engineer is to create, modify and maintain security access on internal and external userids and security rules access for mainframe systems.

krg technology inc

Mainframe CICS and MQ

Chicago, IL · On-site

$50.50 - $65/hr

... collaborate with application developers on application design. ? Support for application ... Additional Information Strong experience in Mainframe CICS and MQ

krg technology inc

Mainframe SDM Delivery

Chicago, IL · On-site

Knowledge in at least two additional areas of technical disciplines is a strong plus: mainframe security, system programming, parallel sysplex, network, storage, High Availability, Performance and ...

DSNSearch

CICS/MQ Systems Programmer

Chicago, IL · Remote

$56.75 - $72/hr

CICS /MQ MAINFRAME SYSTEMS PROGRAMMER CICS ~~ MQ ~~ Z/OS MAINFRAME SYSTEMS ~~ SMP/E ~~ JES 2 ~~ CICSPLEX ~~ INFRASTRUCTURE REMOTE !!~~ REMOTE!! ~~~~FULL TIME WITH BENEFITS/ANNUAL BONUS OPPORTUNITY~

Capgemini

Senior Legacy (Mainframe) Modernization Lead

Chicago, IL · On-site

$103K - $242K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Engineering, or related field (advanced degree preferred). • 5+ years of experience building ... mainframe infrastructure and applications • 15+ years in Application Development and ...

Kyndryl

Mainframe Logical Security Engineer

Chicago, IL · On-site

The Role We are seeking a skilled Mainframe Logical Security Engineer to design, implement, and manage security controls across IBM z/OS environments. The role ensures the confidentiality, integrity ...

US Bank

z/OS Systems Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe technologies with an emphasis on installation/upgrading, tuning, and troubleshooting of z/OS and third-party ...

US Bank

Senior Mainframe Software Engineer (Hogan API)

Chicago, IL · On-site

$126K - $166K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bank is seeking an Application Developer with design and development experience to contribute ... Hands on Mainframe development experience with Hogan COBOL, JCL, CICS, Json and Splunk, IMS ...

Info-Ways

Hadoop Developer

Riverwoods, IL · On-site

Hadoop Developer Location: Riverwoods, IL Duration: Fulltime BGV will be done for the selected ... systems/mainframe and vice-versa. 3+ years' experience in Importing and exporting the data using ...

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All JobsMainframe Developer JobsMainframe Developer Jobs in Buffalo Grove, IL

Mainframe Developer information

See Buffalo Grove, IL salary details

$10

$54

$74

How much do mainframe developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for mainframe developer in Buffalo Grove, IL is $54.74, according to ZipRecruiter salary data. Most workers in this role earn between $48.32 and $62.12 per hour, depending on experience, location, and employer.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

Is a mainframe developer a good career?

A mainframe developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

What is a mainframe developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

What are the key skills and qualifications needed to thrive as a mainframe developer?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
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Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Buffalo Grove, IL as of August 2026, with employment types broken down into 78% Full Time, 7% Part Time, 14% Contract, and 1% Nights. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $113,862 per year, or $54.7 per hour.

Tandem Developer

Staffingine LLC

Rolling Meadows, IL • On-site

$49.25 - $63.25/hr

Contractor

Re-posted 12 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