1

Mainframe Developer Jobs in Aurora, IL (NOW HIRING)

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 ...

The Role We are seeking an experienced Mainframe z/VM & Linux Engineer to support IBM Z virtualization environments and Linux on Z platforms. This role is responsible for provisioning, maintaining ...

... program management, DevOps practices • Drive end-to-end transformation of legacy mainframe ... applications and data to cloud platforms • Align modernization initiatives with enterprise ...

Employee Ensono is a leading, large-scale provider of mainframe and infrastructure services serving ... Work closely with Sales Engineering and the customer on solution, value, and pricing scenarios

Mainframe systems are at the heart of the digital economy, with 80% of the world's structured ... programming concepts, and source control. Key Responsibilities Content Creation and Management ...

Showing results 41-60

Mainframe Developer information

See Aurora, IL salary details

$10

$52

$71

How much do mainframe developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for mainframe developer in Aurora, IL is $52.92, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $60.05 per hour, depending on experience, location, and employer.

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.

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.

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.

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 operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

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.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

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 job categories do people searching Mainframe Developer jobs in Aurora, IL look for? The top searched job categories for Mainframe Developer jobs in Aurora, IL are:
What cities near Aurora, IL are hiring for Mainframe Developer jobs? Cities near Aurora, IL with the most Mainframe Developer job openings:
Infographic showing various Mainframe Developer job openings in Aurora, IL as of August 2026, with employment types broken down into 52% Full Time, and 48% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $110,075 per year, or $52.9 per hour.

Java Engineer - REST APIs & Database Systems

Broadcom

Lisle, IL

$51 - $70/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 9 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 156 rated electronics manufacturers


Job description

Please Note:

1. If you are a first time user, please create your candidatelogin 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, motivated, and experienced Software Engineer with a passion for building high-quality applications using Agile practices to join our Mainframe CyberSecurity & 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 Cybersecurity and Compliance solutions used by many of the world's largest companies.

We are looking for an engineer who is highly motivated, team oriented, and has excellent organization and problem-solving skills. The individual and team goal will be to develop and maintain high-quality software aligned with user needs and business objectives.

Work location for this position is in our Lisle, IL office.

Responsibilities

  • Create and implement scalable and robust RESTful APIs for seamless integration of the frontend system with backend mainframe systems.

  • Write clean, efficient, and well-documented code, adhering to best practices and coding standards.

  • Participate in code reviews and contribute to continuous improvement of development processes.

  • Actively participate and contribute in all Agile activities: Iteration planning, refinement, and sprint reviews. Volunteer for and commit to delivering stories and tasks within the sprint.

  • Interact with customers for support issues, demonstrations, and feedback sessions.

Requirements

  • Bachelor's degree in Engineering or global equivalent in a software-related field.

  • 5+ years of professional experience in Java development with a strong emphasis on RESTful API design and development, Spring/Spring Boot, good understanding of SQL databases.

  • Attention to detail and a quality-first mindset following coding best practices and unit testing, with a focus on continuous improvement in code coverage quality.

  • Knowledge of API security best practices, including authentication and authorization mechanisms.

  • Knowledge with tools and frameworks for API testing and documentation (e.g. Bruno or Swagger).

  • Knowledge of frontend technologies (React, Angular, etc.) and how they interact with backend services.

  • Proficiency in CI/CD pipelines with building, testing, deploying, and automating using Jenkins or any other pipeline.

  • Excellent analytical and problem-solving skills, with the ability to tackle complex technical challenges.

  • Ability to work independently and in a team-oriented environment.

  • Strong verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders.

Desired Mainframe Technical Skills & Experience

  • Solid knowledge of z/OS, Unix/USS, SMP/E, z/OSMF, Endevor, reading system dumps, TSO/ISPF.

  • Additional experience in one or more of the following languages: IBM Assembler, Metal C, COBOL, ISPF, REXX, and JCL.

  • Experience with Blackduck, Coverity, zACS tools.

  • Experience with cybersecurity and compliance-related topics.

Education and Experience:

Bachelors in Engineering and 8+ years of related experience; at this level postgraduate coursework may be desirable or Masters degree in Engineering and 6+ years of related experience or PhD and 3+ years of related experience


Compensation and Benefits


The annual base salary range for this position is To

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.


What Broadcom employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom