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Mainframe programmer Jobs in Chicago, IL

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Mainframe programmer • chicago il

Last updated: 7 hours ago

Cards Mainframe Developer

eTeamChicago, IL
Permanent

Role Name: Cards Mainframe Developer.We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB, VSAM, and Unix Shell Scripting.The ideal candidate will be respon...Show more

Application Programmer

Genesis10Chicago, IL
Temporary

Genesis10 is currently seeking a Big Data Developer/Engineer for an onsite contract position with a Global Financial Institution located in Charlotte, NC, Denver, CO, Jacksonville, FL, and Chicago,...Show more

CNC Programmer,

GpacChicago, Illinois, United States
Full-time

CNC Programmer, Advanced Machining.This role is built for a CNC Programmer who wants more than routine work.You will solve complex machining problems, work on tight tolerance parts, and grow into a...Show more

Endevor Administrator

Innovim Technology SolutionsChicago, IL, United States
Full-time
Quick Apply

Role: Endevor Administrator Location: Chicago, IL or Buffalo, NY (Onsite) Duration: Long Term Contract In this role, you will: * Perform Endevor administration on a daily basis * Leading and suppor...Show more

 • New!

CNC Machinist - Programmer

Hydro - US FacilitiesChicago, IL, US
Full-time
Quick Apply

Hydro is seeking an 2nd Shift CNC Machinist - Programmer - to join team!.As the largest independent pump rebuilder in the world, Hydro's has provided engineering expertise, pump repair, and support...Show more

CNC Mastercam Programmer / Machinist

JanlerChicago, IL, USA
Full-time
Quick Apply

Do you have CNC Mastercam Programming experience? Precision CNC machinists check us out!.Our happy customers want more of what we have to offer, and we need to grow.While working here you will be c...Show more

Senior Statistical Programmer - Remote (US)

MMSChicago, IL, US
Remote
Full-time
Quick Apply

About MMS Are you looking to join a company where your contributions truly matter, and where you'll be part of a supportive, innovative team? MMS is a award-winning, data-focused clinical research ...Show more

LGV CS Programmer

E80 Group IncChicago, Illinois, US
Full-time

It’s our fears that will limit our success, not our mistakes.The secret to successful hiring is to look for people who are not afraid of .E80 Group CEO and Founder, Enrico Grassi.Great! Here’s what...Show more

Junior Data Scientist with ML/AI/junior software programmer fullstack

Synergistic itChicago, IL, US
Full-time

Career Gap? Outdated Tech stack? No Interviews? Let's Get you Hired with a Process Many job seekers assume their skills have expired simply because they've been out of the workforce or recently lai...Show more

 • Promoted

Quality Assurance Engineer

H R PUNDITS INCchicago, IL, US
Full-time

Senior Quality Engineer (SDET) with Mainframes.Strong proficiency in Java development .Experience designing and implementing APIs and services .Solid understanding of software testing principles an...Show more

 • New!

COBOL/DB2 Application Developer

KonnectITChicago, Illinois, US
Full-time
Quick Apply

COBOL/DB2 Application Developer/Manager.The ideal candidate will have strong expertise in.Design, develop, enhance, and maintain mainframe applications using COBOL, DB2, IMS DB/DC, JCL, and CICS.An...Show more

Full Stack Developer - OpenAI/GPT3 Expert / AI/ML Developer

Rise25Chicago, IL, US
Full-time +1
Quick Apply

Want to help change the world, one relationship at a time?.We help businesses build great relationships using podcasts and content marketing.Rise25 is looking for a full stack developer with experi...Show more

Mainframe Systems Engineer (zOS Mainframe Internals, Parallel Sysplex, Hardware & Storage) Remote

Norfolk SouthernChicago, IL, US
Remote
Full-time

Requisition 39683: B4 Mainframe Systems Engineer.A resume helps you stand out to hiring managers and recruiters; your resume communicates your experience and your brand.While it is not required, we...Show more

Guidwire Architect

Gamen GroupChicago, IL, US
Full-time

Financial Services Practice - Insurance - Policy Administration and/or Claims Systems Are you challenged by working with clients to address a range of critical issues brought on by globalization, a...Show more

Software Engineer, Python

Next Step Systems – Recruiters for Information Technology Jobs Top IT Recruiting FirmChicago, IL, USA
Full-time

Software Engineer, Python, Chicago, IL.This is a 100% onsite Software Engineer position and not open for Remote.Need 2-5+ years of software development experience.We are looking for 2+ years of Pyt...Show more

 • New!

Data Management Consultant

CNAChicago, IL, USA
Full-time

Essential Duties & Responsibilities.Performs a combination of duties in accordance with departmental guidelines:.Evaluates defined client area requirements and processes for application changes to ...Show more

Mainframe Senior Developer

Northern Trust CorporationChicago, IL
Full-time

AND Principal Responsibilities.The Mainframe Senior Developer is responsible for installing, maintaining, upgrading, and supporting various system software products for TNT's z/OS operating system ...Show more

Mainframe Batch Specialist - Hybrid

TEKsystemsChicago, IL, US
Full-time

Description:* The Cyber Security Operations (CSO) function within Global Information Security is responsible for all aspects of threat intelligence and monitoring, application and network security,...Show more

Software Engineer/Applications Programmer 1

MaximusChicago, IL, US
Full-time

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS199, T1, Band 4 Job-Specific Essential Duties and Responsibilities: - Build and maintain simple UI components using Ja...Show more

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Cards Mainframe Developer

Cards Mainframe Developer

eTeamChicago, IL
15 days ago
Job type
  • Permanent
Job description

Role Name: Cards Mainframe Developer
Location: Chicago

JOB DESCRIPTION:

We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB, VSAM, and Unix Shell Scripting. The ideal candidate will be responsible for developing, supporting, and optimizing mainframe applications, building automation scripts, managing backend integration workflows, and ensuring reliability across production and batch systems.

This role requires strong technical skills, problem-solving capabilities, and the ability to work effectively with cross-functional teams.

  • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB
  • Troubleshoot, debug, and resolve mainframe application issues across development, testing, and production environments
  • Optimize JCL, COBOL programs, and DB queries to improve system performance and efficiency
  • Support daily batch processing, ensure job success, and resolve job abends promptly
  • Develop and maintain Unix/Linux shell scripts for automation, batch scheduling, and system integrations
  • Ensure seamless integration between Unix-based automation and mainframe backend systems
  • Troubleshoot and enhance existing scripts, improving stability and execution performance
  • Develop and maintain PL/SQL procedures, functions, packages, and triggers
  • Perform SQL tuning and optimize database queries for performance
  • Integrate shell scripts with relational databases (Oracle, DB, MySQL, or similar)
  • Monitor scheduled jobs, resolve production incidents, and ensure overall batch stability
  • Conduct root cause analysis (RCA) and implement permanent fixes
  • Enhance performance of scripts, jobs, and database queries through continuous tuning
  • Work closely with stakeholders to gather requirements and translate them into scalable solutions
  • Participate in Agile ceremonies and collaborate with QA, business, and support teams
  • Create and maintain technical documentation including design specs, support guides, and system documentation
  • Strong hands-on experience in mainframe technologies: COBOL, JCL, VSAM, DB
  • Solid expertise in Unix/Linux shell scripting
  • Strong SQL and PL/SQL skills (procedures, functions, triggers, packages)
  • Experience integrating shell scripts with relational databases
  • Strong debugging, analytical, and problem-solving skills
  • Good understanding of batch processing and automation workflows
  • Ability to work independently and collaboratively within a team
  • Experience in banking, cards, or financial services domains
  • Experience with ticketing tools and production support processes
  • Familiarity with Git, CI/CD pipelines, or DevOps practices
  • Knowledge of Python or Java for extended automation or backend integrations
  • COBOL, PL/I, Assembler
  • CICS, IMS, and system administration on DB/CICS/IMS
  • REXX scripting for automation and migration tasks
  • Strong troubleshooting skills for IBM mainframe product-related issues