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Mainframes Developer Jobs in Illinois (NOW HIRING)

RACF Mainframe Security Engineer

Chicago, IL · On-site +1

$70K - $140K/yr

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM technologies across the bank. Duties & Responsibilities: * Deliver business value by delivering and ...

RACF Mainframe Security Engineer

Chicago, IL · On-site +1

$70K - $140K/yr

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM technologies across the bank. Duties & Responsibilities: * Deliver business value by delivering and ...

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 ...

Mainframe Specialist

Chicago, IL · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

PL/I, IMDB & DB2 Developer

Bloomington, IL · On-site

$46.75 - $60/hr

Capgemini US LLC is seeking a PL/I, IMDB & DB2 Developer with expertise in Mainframe technologies. The role involves designing, developing, and supporting Health Applications, as well as coordinating ...

Cobol Developer

Springfield, IL · On-site

$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.

Mainframe CICS Systems Engineer

Chicago, IL

$50.50 - $65/hr

The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering, system and software maintenance, and CICS related operational functions. The candidate must be ...

Mainframe System Security Engineer Worker Type: Employee Responsibilities * Create, modify and maintain security access on internal and external userids and security rules for mainframe systems.

Cobol Developer

Springfield, IL · On-site

$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.

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.

z/OS Connect API Engineer

Chicago, IL · On-site

$73K - $174K/yr

DB2 * RACF Development & DevOps * GitHub * CI/CD Pipelines * Git-based Version Control * Gradle Build Automation Additional Competencies * API Design and Development Best Practices * Mainframe ...

Showing results 21-40

Mainframes Developer information

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 Illinois look for?

The top searched job categories for Mainframes Developer jobs in Illinois are:

What cities in Illinois are hiring for Mainframes Developer jobs?

Cities in Illinois with the most Mainframes Developer job openings:

Infographic showing various Mainframes Developer job openings in Illinois as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Lead Mainframe Platform Engineer - CICS, MQ & zCEE

Huntington

Chicago, IL

$93K - $189K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 10 days ago


Huntington National Bank rating

8.1

Company rating: 8.1 out of 10

Based on 174 frontline employees who took The Breakroom Quiz

67th of 175 rated banks


Job description

Description

This position is an onsite position and available to be filled at any Huntington Corporate office location (see location options on posting)

The z/OS Platform CICS, MQ & zCEE Lead candidate must have extensive experience in performance management architecture, implementation, and management for a mission critical large mainframe systems environment. Required areas of experience include z/OS engineering, WLM (Workload Manager), CF, SMF Processing, DASD, Hardware configuration, Channels, IPL processes, CICS, zCEE, MQ, Parallel Sysplex, CICSPLEX, z/OS Networking, z/OS Performance Tuning, and Capacity Planning tools. Expertise in ICF/zIIP capacity and tuning, WLM configuration and troubleshooting, and z/OS engineering. In addition, candidate must have a proven history of platform road map development, project management skills, and executive level communication in these areas. Previous experience performing a z/OS CICS, MQ & zCEE lead role required. The candidate must be able to prioritize and complete work on time in an ever-changing and complex environment. Mentoring required with the wider team, mentoring skills and experience are necessary. The ability to read CICS dumps & traces considered a plus.

Detailed Description:

This candidate will be fulfilling an experienced systems mainframe engineer position.

  • Responsible for the overall health, security, resiliency, and performance of System z CICS for z/OS, MQ for z/OS, and z/OS zCEE across multiple Sysplexes and CECS
  • Responsible for the z/OS networking for CICS, MQ and zCEE connectivity requirements (TCPIP, LU6.2, Sockets, EXCI, ETC.)
  • Manage overall platform documentation, reports including all KPIs, charts, end-to-end workflow diagrams of all system z software zCEE, CICSand MQ.
  • Develop and present z/OS zCEE, CICSand MQ, HA (SYSPLEX/CICSPLEX roadmaps
  • Lead problem troubleshooting efforts and root cause analyses of all P1 & P2 System z zCEE, CICSand MQ related incidents.
  • Develop, document, and deliver pre- and post-implementation analysis ofSystem z tech refreshes and application releases.
  • Eliminate reoccurring issues and drive down mean time to recovery.
  • Provide technical direction and education to programmers, analysts, and technical support associates.
  • Prototypes the new features, functions, and strategies of new application subsystems technology.
  • Candidate must be motivated and assertive while possessing the ability to oversee and prioritize multiple tasks in a team environment.
  • Coordinates with programming application users to determine symptoms and ensure accurate problem resolution.
  • Provides 24x7 on call support within a team rotation.

Basic Qualifications:

  • Bachelor's degree or 4+ additional years of equivalent experience.
  • 7+ years of professional experience in z/OS / CICS, MQ or zCEE engineering.
  • 3+ years in a lead role, or Project Management (roadmapping), or developing KPIs for delivery.

Preferred Qualifications:

  • Expert knowledge of systems z including DB2 for z/OS, CICS for z/OS, zCEE for z/OS, & MQ for z/OS along with mainframe related tools such as BMC Mainview, IBM -CICS Interdependency Analyzer, IBM -CICS Performance analyzer, SMPE, ISPF, SMS, SMF, GDPS.
  • Excellent interpersonal, written, and verbal communication skills; ability to effectively interface and partner with all levels of the organization.
  • Maintain "State of the Art' knowledge of best practices in systems capacity, Security, administration, performance, high availability, metrics, and business continuity specifically for all systems z including DB2 for z/OS, CICS for z/OS or MQ for z/OS.
  • Comprehensive knowledge of CICS Security (Keyring Certificates, TLS, Resource access & RACF)
  • Proficient in SRE concepts and automation
  • Proven experience in creating the roadmap, processes, best practices, standards, and strategies for continuous improvement of monitoring, performance, resiliency, availability, and scalability of zCEE, CICSand MQ on system z.
  • Experience as a technical lead, driving technical direction, owning the portfolio of technology, and growing the larger team.
  • REXX experience


Exempt Status: (Yes= not eligible for overtime pay) (No= eligible for overtime pay)

Yes

Workplace Type:

Office

Our Approach to Office Workplace Type

Certain positions outside our branch network may be eligible for a flexible work arrangement. We're combining the best of both worlds: in-office and work from home. Our approach enables our teams to deepen connections, maintain a strong community, and do their best work. Remote roles will also have the opportunity to come together in our offices for moments that matter. Specific work arrangements will be provided by the hiring team.

Compensation Range:

$93,000 - $189,000 Annual Salary

The compensation range represents the anticipated low and high end of the base compensation range for this position. Actual compensation will vary based on various factors including but not limited to location, experience, and education. Colleagues in this position are also eligible to participate in an applicable incentive compensation plan. In addition, Huntington provides a variety of benefits to colleagues, including health insurance coverage, wellness program, life and disability insurance, retirement savings plan, paid leave programs, paid holidays and paid time off (PTO).

Huntington is an Equal Opportunity Employer.

Tobacco-Free Hiring Practice: Visit Huntington's Career Web Site for more details.

Note to Agency Recruiters: Huntington will not pay a fee for any placement resulting from the receipt of an unsolicited resume. All unsolicited resumes sent to any Huntington colleagues, directly or indirectly, will be considered Huntington property. Recruiting agencies must have a valid, written and fully executed Master Service Agreement and Statement of Work for consideration.


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