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Mainframe Developer Jobs in Naperville, IL (NOW HIRING)

## Support Engineer - MainframeApplylocations: USA-IL Lisle Warrenville Roadtime type: Full timeposted ... This position is responsible for providing mainframe technical support for the Endevor/Zowe ...

This position is responsible for providing mainframe technical support for the Endevor/Zowe ... Engineers are expected to deliver a superior customer experience by exhibiting our core principles ...

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 ...

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 ...

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

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

R&D Software Engineer

Lisle, IL · On-site

$108K - $172K/yr

Has mastered the basics of operating as a developer in the IBM mainframe environment; * Experience debugging with tools like XDC, IPCS; * Experience in software development using IBM Assembler/Metal ...

Java Architect

Naperville, IL · On-site

$63 - $85/hr

... mainframe/java systems • Ability to define client requirements, inputs/outputs of APIs, and utilization of Kafka • Ability to communicate effectively with senior Java developers and lead them in ...

Java Architect

Naperville, IL · On-site

$63 - $85/hr

... mainframe/java systems • Ability to define client needs, inputs/outputs of APIs, and utilization of Kafka • Ability to communicate effectively with senior Java developers and lead them through ...

Showing results 41-60

Mainframe Developer information

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$53

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How much do mainframe developer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for mainframe developer in Naperville, IL is $53.30, according to ZipRecruiter salary data. Most workers in this role earn between $47.07 and $60.48 per hour, depending on experience, location, and employer.

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.

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.

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.

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.

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 data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

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.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are the most commonly searched types of Mainframe Developer jobs in Naperville, IL?

The most popular types of Mainframe Developer jobs in Naperville, IL are:

What are popular job titles related to Mainframe Developer jobs in Naperville, IL?

For Mainframe Developer jobs in Naperville, IL, the most frequently searched job titles are:

What job categories do people searching Mainframe Developer jobs in Naperville, IL look for?

The top searched job categories for Mainframe Developer jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Mainframe Developer jobs?

Cities near Naperville, IL with the most Mainframe Developer job openings:

Infographic showing various Mainframe Developer job openings in Naperville, IL as of September 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution, with an average salary of $110,861 per year, or $53.3 per hour.

Support Engineer - Mainframe

Lisle, IL • On-site

Broadcom Inc.
Semiconductor and Electronic Component Manufacturing • 10K+ employees

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 17 days ago


Broadcom rating

8.7

Company rating: 8.7 out of 10

Based on 23 frontline employees who took The Breakroom Quiz


Job description

## Support Engineer - MainframeApplylocations: USA-IL Lisle Warrenville Roadtime type: Full timeposted on: Posted Todayjob requisition id: R026779**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:**This position is responsible for providing mainframe technical support for the Endevor/Zowe products. This support includes handling complex questions/problems for product suites to ensure our customers achieve their desired business outcomes. Engineers are expected to deliver a superior customer experience by exhibiting our core principles of empathy, expertise, value, and speed.**Key Responsibilities*** Promote Broadcom mission, customer promise, and strategy; willingly adapts to and supports change. Participates in projects to improve the business/products/CX.* Willingly accepts and adapts to change in product(s) being supported, environments, infrastructure / technology and such. May assist others in adopting to product(s)/technology change. May act as a Designated Support Engineer for certain products/ customers.* Continually expands knowledge of Broadcom Support best practices, procedures and systems.* Lead brainstorming sessions to improve our business by applying active listening, collaboration and facilitation skills.* Proactively identify team training needs; collaborate with team members to facilitate relevant training to address individual or team needs.* Prioritize and balance workload across channels, making good use of time to achieve organizational and personal goals. Assist/mentor others to prioritize and balance their workload by sharing their expertise.* Independently learn and expand product, technology and soft skills. Expand knowledge across multiple product releases. Act as subject matter expert for certain product components.* Actively participate in Broadcom communities to promote self-service and to promote customer-to-customer collaboration. Review information and answer questions on product Communities.* Share knowledge with other engineers and customers by following KCS methodology and process. Enable customer self-service success using KCS methodology by reusing, creating, reviewing, updating, publishing and retiring knowledge. Assist/ mentor colleagues developing knowledge content.* Leverage experience and research existing knowledge resources to evaluate customer's environment and historical use of Broadcom products to proactively prepare for customer engagements, assess business impact and instill immediate customer confidence.* Mature relationships with key internal stakeholders (e.g., SaaS Ops, Sustaining Engineering) to develop strategic partnerships which will help customers achieve their business outcomes.* Use problem solving skills to quickly resolve customer's cases to their satisfaction and provide assistance to prevent future issues by proactively sharing information/expertise regarding recent hotfixes and knowledge documents with the customer.* Utilize new or advanced technology (i.e. telemetry) to increase knowledge of customers' environments.* Apply advanced technical knowledge and troubleshooting methodology to assess complex problems, analyze logs to determine root causes and advise customers on solutions. Analyze diverse customer environmental data to troubleshoot and recreate issues on test systems. Share configuration best-practices with customers.* Demonstrate teamwork and leadership by providing technical assistance to team-members to support aged/escalated issues. Provide coaching and mentoring to less-experienced team-members, or colleagues.* Partner with Support Delivery Management and Engineering Teams to highlight customer's business impact and influence the prioritization of defects/issues to create fixes.* Understand the Product Lifecycle and future direction for the supported products or product line. Participate in scrum teams including documentation and requirements review, comments on end of scrum demos, test demo environments and supportability requirements.* Create lab environments to replicate customer issues.* Improve product quality by identifying and documenting predominant customer issues which require assessment by the Business Insight Analysts.* Adhere to case hygiene best practices and look for new ways to improve the quality and integrity of case data/documentation.* Proactively identifies barriers preventing customer from adopting or being productive with products/solutions and leverages cross-functional teams and proactive support playbooks to increase customer satisfaction and adoption levels.* Cultivate a growth mindset. Continual focus on professional career development opportunities including product and industry certifications.**Typical Role Definition**Professional Staff. A senior level professional role. Evaluation, originality or ingenuity required. Knows and applies the fundamental concepts, practices, and procedures of a particular field. Has mastered the key responsibilities. Assignments can be broad in nature. May serve as a resource to others to resolve complex problems and issues. Instructions generally provided in general terms. May take on project lead role as required. May be required to be on-call rotation afterhours and weekends.**Job-Specific Authority and Scope*** Generally works without consulting their manager.* Independent decisions are made daily.* Examples of typical decisions without manager consultation: + Decide priorities while working with customers. + Formulate workarounds to meet customer business objectives. + Mentor junior team members* Typically has no direct reports.* Typically has no total staff.* Typically has a global geographic focus.* Typically does not manage a budget.**Business Travel and Physical Demands**Business travel of approximately 10 or less percent yearly is expected for this position.Physical demands:* Office environment. No special physical demands required.**Education/Experience:**Bachelor's Degree or global equivalent in Computer Science or related discipline and 0-2+ years of experience.**Skills & Competencies*** Proven customer service skills.* Strong communication skills; written, verbal and social media.* Demonstrate technical and team leadership skills.**Certifications*** Preferred, Appropriate certifications such as 100 level (or equivalent) knowledge of a Broadcom product.* Preferred, Product line relevant or relevant 3rd party certifications (Oracle, MCSE, DB2, Unix, SMP/E, CNE, etc.) **Compensation and Benefits** The annual base salary range for this position is USD 59,000.00 To USD 74,700.00 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. #J-18808-Ljbffr

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