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Mainframe Engineer Jobs in Chicago, IL (NOW HIRING)

R&D Engineer Software 3

Lisle, IL · On-site

$91.10 - $146/hr

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...

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 ...

About the Role Broadcom's Mainframe Software Division (MSD) is the industry leader in mainframe ... We are looking for a seasoned Software Engineer who has navigated complex production mainframe ...

Broadcom's Mainframe Software Division is seeking a talented R&D Software Engineer to join their Mainframe Security and Compliance team. The role involves building, testing, and supporting security ...

z/OS Connect API Engineer

Chicago, IL · On-site

$73K - $174K/yr

Your role The z/OS Connect API Engineer is responsible for modernizing enterprise mainframe services by enabling secure, scalable, and reusable APIs using IBM z/OS Connect. This role serves as a ...

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...

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 ...

Lead Mainframe Architect DevOps Modernization Role Description Seeking an experienced Lead Mainframe Architect with strong expertise in IBM Z DevOps and enterprise modernization. The role focuses on ...

Site Reliability Engineer

Chicago, IL · On-site

$58.75 - $78/hr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Senior Developer

Naperville, IL · On-site

$54.50 - $72/hr

Technical Skills (APPS)-Mainframe-Language-Mainframe - COBOL Job : Technical Lead Other Requirement ... Developer Mandatory Skills Mainframe Cobol (Primary) JCL CICS VSAM Unix Shell scripting is ...

Showing results 41-60

Mainframe Engineer information

See Chicago, IL salary details

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How much do mainframe engineer jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for mainframe engineer in Chicago, IL is $54.99, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $62.40 per hour, depending on experience, location, and employer.

What is a mainframe engineer?

A Mainframe Engineer is an IT professional who specializes in maintaining, configuring, and optimizing mainframe computer systems. These engineers ensure the reliability, security, and efficiency of mainframes, which are large, powerful computers used by organizations for critical applications such as banking, government, and large-scale data processing. Their responsibilities include system upgrades, troubleshooting hardware and software issues, performance tuning, and implementing security protocols. Mainframe Engineers often work with legacy systems and must be proficient in mainframe-specific operating systems and languages like COBOL, JCL, and z/OS.

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

To thrive as a Mainframe Engineer, you need strong expertise in mainframe systems (such as IBM z/OS), programming languages like COBOL and JCL, and a relevant degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and industry certifications such as IBM Certified System Programmer are typically expected. Analytical thinking, problem-solving, and effective communication are vital soft skills that help in troubleshooting and collaborating with cross-functional teams. These skills ensure reliable system performance, quick issue resolution, and seamless integration with modern IT environments.

What are some common challenges mainframe engineers face when integrating legacy systems with modern technologies?

Mainframe Engineers often encounter challenges when integrating legacy systems with newer platforms, such as ensuring compatibility, maintaining data integrity, and minimizing downtime during migrations. Navigating differences in programming languages, data formats, and security protocols requires careful planning and strong problem-solving skills. Collaboration with application developers, database administrators, and IT security teams is typically essential to achieve seamless integration and support business continuity.

What is the difference between Mainframe Engineer vs Mainframe Developer?

AspectMainframe EngineerMainframe Developer
Primary RoleMaintains, supports, and optimizes mainframe systems and infrastructureDesigns, codes, and tests mainframe applications and software
Skills & CertificationsKnowledge of mainframe hardware, OS, and system tools; certifications like IBM Certified System AdministratorProficiency in COBOL, JCL, and mainframe programming; similar certifications often applicable
Work EnvironmentSystem support teams, data centers, enterprise IT departmentsDevelopment teams, software projects, application environments
Industry UsageFinancial services, government, large enterprisesFinancial institutions, insurance, large corporations

While both roles work within mainframe environments, Mainframe Engineers focus on maintaining and supporting the infrastructure, whereas Mainframe Developers primarily design and develop mainframe applications. Both roles often require similar certifications and work in related environments, but their core responsibilities differ.

Are mainframe engineers in demand?

Mainframe engineers are in steady demand due to the continued reliance of many large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe security are highly valued, and demand remains strong in finance, government, and healthcare sectors that require high reliability and security. However, the overall number of new mainframe roles is limited compared to emerging technologies, but experienced professionals in this field often have good job stability and compensation.

How much does a mainframe engineer make?

Mainframe engineers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security can command higher salaries. Compensation also varies based on the industry and the complexity of the mainframe environment managed.

What job categories do people searching Mainframe Engineer jobs in Chicago, IL look for?

The top searched job categories for Mainframe Engineer jobs in Chicago, IL are:

Infographic showing various Mainframe Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution, with an average salary of $114,373 per year, or $55 per hour.

R&D Engineer Software 3

Broadcom Inc.

Lisle, IL • On-site

$91.10 - $146/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 29 days ago


Broadcom rating

8.7

Company rating: 8.7 out of 10

Based on 23 frontline employees who took The Breakroom Quiz

19th of 159 rated electronics manufacturers


Job description

## R&D Engineer Software 3Applylocations: USA-IL Lisle Warrenville Roadtime type: Full timeposted on: Posted Todayjob requisition id: R026561**Please Note:****1. If you are a first time user, please create your candidate login account before you apply for a job. (Click Sign In > Create Account)****2. If you already have a Candidate Account, please Sign-In before you apply.**## **Job Description:**Broadcom’s Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our Mainframe Security and Compliance team. In this role, you will be a key member of the development team and will focus on building, testing, and supporting leading-edge Mainframe Security solutions used by many of the world’s largest companies.People who do well on this team are self-motivated engineers with a passion for our business and for technology innovation.**This position is concentrated on the mainframe platform, with development in Assembler language.****In this role, you will:*** **Design and develop:** Create high-quality software design and architecture for applications on the mainframe platform.* **Build and implement:** Produce, test, and debug functional software solutions, leveraging your Mainframe expertise to modernize our enterprise software.* **Collaborate:** Partner with product management and fellow software engineers in an Agile environment to define software requirements and deliver solutions.* **Automate:** Increase efficiency by automating tasks through appropriate tools and scripting.* **Drive innovation:** Contribute to a fast-paced environment with a passion for continuous improvement and technology innovation.**Required Skills & Competencies:****Must have:*** Bachelors in Engineering and 5+ years of related experience or Masters degree in Engineering and 3+ years of related experience* Proven Mainframe knowledge and skills.* IBM Assembler Language (HLASM) proficiency.* z/OS Operating system familiarity.* Source control systems experience (Endevor etc.)* Strong analytical, problem solving and debugging skills.* Experience/Knowledge of z/VM Systems Programming and/or IMS Systems Programming is a plus.**Good to have**:* Experience working with an ESM(External Security Manager) and/or other mainframe products and systems is a plus.* Experience with online z/OS debugger is desirable (XDC / IPCS).* Proficiency in Metal C, and JCL.* Scripting language experience is desirable.**Preferred Education:**Bachelor's degree in Computer Science, Electrical Engineering or equivalent in a related field.**Work Experience:**Five or more years of experience in software development or a related field.**Business Travel and Physical Demands:*** No (or minimal) business travel is expected for this position.* Office environment. No special physical demands are required.**Why join our team?**At Broadcom, we value engineers who are self-motivated, passionate, and driven to innovate. Our team offers:* **High impact:** The opportunity to have a significant impact on our Mainframe product teams by building the foundational tools that modernize our software.* **Great team culture:** The Mainframe Software Division is known for its collaborative and supportive workplace culture.* **Competitive compensation:** We offer competitive salaries, valuable equity options, and comprehensive benefits.**Legal authorization to work in the U.S. is required** **Compensation and Benefits** The annual base salary range for this position is USD 91,100.00 To USD 146,000.00 As a valued member of our team, you'll be eligible for a discretionary annual bonus and the opportunity to receive not only a competitive new hire equity grant, but also annual equity awards, connecting your success directly to the company's growth. All subject to relevant plan documents and award agreements. Broadcom offers a competitive and comprehensive benefits package: Medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence. **Broadcom is proud to be an equal opportunity employer. We will consider qualified applicants without regard to race, color, creed, religion, sex, sexual orientation, national origin, citizenship, disability status, medical condition, pregnancy, protected veteran status or any other characteristic protected by federal, state, or local law. We will also consider qualified applicants with arrest and conviction records consistent with local law.** **If you are located outside USA, please be sure to fill out a home address as this will be used for future correspondence.**Welcome! Thank you for your interest in Broadcom!We are a global technology leader that designs, develops and supplies a broad range of semiconductor and infrastructure software solutions.For more information please visit our video library and check out our Connected by Broadcom series.Follow us on Linked In Broadcom Inc. #J-18808-Ljbffr

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