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Developer Operations Mainframe Jobs in Illinois (NOW HIRING)

CYNET SYSTEMS

Mainframe Developer

Riverwoods, IL · On-site

$35 - $40/hr

Experience with CI/CD, Git, or DevOps practices preferred. Responsibilities: * Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2. * Debug and resolve mainframe application ...

Kanak Elite Services Inc

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Role: Mainframe Developer (12+ YEARS) Location: Chicago, IL • Required Years of Experience: At ... who can do operational support) • Skills in DB2 is a bonus but not required SPECIAL NOTES:

TEKsystems

Mainframe Engineer

Chicago, IL

$10 - $70/hr

The engineer will play a critical role in proofing the mainframe platform, ensuring technical ... Our expertise in strategy, design, execution and operations unlocks business value through a range ...

Seven Seven Software

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

12+ years of experience as a Mainframe Developer Required Skill Set : * COBOL * CICS * NATURAL AND ... operational side/support. * DB2 - nice to have Job Requirements

Northern Trust

Mainframe Senior Developer

Chicago, IL · On-site

$99K - $169K/yr

... in continuous operation since 1889. Northern Trust is proud to provide innovative financial ... AND Principal Responsibilities The Mainframe Senior Developer is responsible for installing ...

Northern Trust

Mainframe Senior Developer

Chicago, IL

$99K - $169K/yr

... in continuous operation since 1889. Northern Trust is proud to provide innovative financial ... AND Principal Responsibilities The Mainframe Senior Developer is responsible for installing ...

Northern Trust

Mainframe Senior Developer

Chicago, IL

$99K - $169K/yr

... in continuous operation since 1889. Northern Trust is proud to provide innovative financial ... AND Principal Responsibilities The Mainframe Senior Developer is responsible for installing ...

United Airlines

Mainframe Manager

Chicago, IL · On-site +1

$111K - $178K/yr

At Capgemini Engineering, the world leader in engineering services, we bring together a global team ... PMP or PRINCE2 certification, with demonstrated knowledge of operations and project management ...

mLogica

Senior Mainframe Administrator

Springfield, IL · On-site

Required Skills & Experience * 10+ years in IBM Z mainframe operations , storage, or DR engineering. * Hands‑on experience with IBM DS8000 , FICON , Metro Mirror , Global Mirror , GDPS , HyperSwap ...

Infojini Inc

Cobol Developer

Springfield, IL · On-site

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application ... operational or procedural nature. * Experience in software development life cycle, using both ...

Infojini Inc

Cobol Developer

Springfield, IL · On-site

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application ... operational or procedural nature. * Experience in software development life cycle, using both ...

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Mainframe Developer

Mainframe Developer

CYNET SYSTEMS

Riverwoods, IL • On-site

$35 - $40/hr

Contractor

Posted 11 days ago

Job description

Job Overview:
 
Pay Range: $35hr - $40hr
  • The Mainframe Developer will be responsible for developing, enhancing, and maintaining mainframe applications along with supporting batch processing, production stability, and system integrations. 
  • The role involves working across COBOL, JCL, DB2, and Unix/Linux environments while ensuring system performance, reliability, and seamless backend integration. The position also includes production support, troubleshooting, and collaboration with cross-functional teams.

Requirement/Must Have:

  • Strong hands-on experience in COBOL, JCL, VSAM, and DB2.
  • Strong Unix/Linux shell scripting experience.
  • Strong SQL and PL/SQL development skills.
  • Experience in batch processing and job scheduling environments.
  • Strong debugging, troubleshooting, and root cause analysis skills.
  • Experience integrating scripts with relational databases.
  • Ability to support production environments and resolve job abends.
  • Strong analytical and problem-solving skills.
  • Ability to work independently and in a team environment.

Experience:

  • Experience in mainframe application development and support (COBOL, JCL, DB2).
  • Experience in Unix/Linux scripting and backend integration.
  • Experience in production support and performance optimization.
  • Experience working in batch processing environments.
  • Banking, cards, or financial services domain experience preferred.
  • Experience with CI/CD, Git, or DevOps practices preferred.

Responsibilities:

  • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2.
  • Debug and resolve mainframe application issues across development, testing, and production environments.
  • Optimize COBOL programs, JCL, and DB2 queries for performance and efficiency.
  • Support daily batch processing and resolve job abends promptly.
  • Develop and maintain Unix/Linux shell scripts for automation and system integration.
  • Ensure seamless integration between Unix-based automation and mainframe systems.
  • Troubleshoot and enhance existing scripts for stability and performance improvements.
  • Develop and maintain PL/SQL procedures, functions, packages, and triggers.
  • Perform SQL tuning and optimize database performance.
  • Monitor scheduled jobs and resolve production incidents.
  • Perform root cause analysis and implement permanent fixes.
  • Improve performance of scripts, jobs, and database queries through continuous tuning.
  • Collaborate with stakeholders to gather requirements and deliver scalable solutions.
  • Participate in Agile ceremonies and cross-functional collaboration.
  • Prepare and maintain technical documentation including design and support documents.

Should Have:

  • Strong analytical and debugging skills.
  • Good understanding of batch processing and automation workflows.
  • Ability to manage production support responsibilities.
  • Strong collaboration and communication skills.
  • Experience in fast-paced enterprise environments.

Skills:

  • COBOL, JCL, VSAM, DB2.
  • Unix/Linux shell scripting.
  • SQL and PL/SQL development.
  • Batch processing and job scheduling.
  • Production support and incident management.
  • Performance tuning and optimization.
  • Root cause analysis.
  • Database integration.
  • DevOps tools (Git, CI/CD) preferred.
  • Additional: REXX, CICS, IMS, Assembler (nice to have).
 

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
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About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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