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Senior Mainframe Developer Jobs in Naperville, IL

Global Senior IT Auditor

Chicago, IL · On-site

$140K - $190K/yr

... mainframes and midrange operating systems, middleware, networks, software/source code, data ... engineers, traders, and business operations professionals are united by our uniquely collaborative ...

Global Senior IT Auditor

Chicago, IL · On-site

$140K - $190K/yr

... mainframes and midrange operating systems, middleware, networks, software/source code, data ... engineers, traders, and business operations professionals are united by our uniquely collaborative ...

Showing results 41-47

Senior Mainframe Developer information

See Naperville, IL salary details

$38

$57

$66

How much do senior mainframe developer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior mainframe developer in Naperville, IL is $57.16, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $62.45 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
What are popular job titles related to Senior Mainframe Developer jobs in Naperville, IL? For Senior Mainframe Developer jobs in Naperville, IL, the most frequently searched job titles are:
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What cities near Naperville, IL are hiring for Senior Mainframe Developer jobs? Cities near Naperville, IL with the most Senior Mainframe Developer job openings:
Infographic showing various Senior Mainframe Developer job openings in Naperville, IL as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $118,886 per year, or $57.2 per hour.

Identity and Access Management (IAM) Security Administration Specialist (RACF exp. strongly prefe...

Bank of America

Chicago, IL • On-site

Full-time

PTO

This job post has expired today. Applications are no longer accepted.


Bank Of America rating

8.2

Company rating: 8.2 out of 10

Based on 526 frontline employees who took The Breakroom Quiz

51st of 170 rated banks


Job description

Job Description:

At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and delivering for our clients, teammates, communities and shareholders every day.
Being a Great Place to Work and providing a culture of caring is core to how we drive Responsible Growth. We are intentional about fostering an inclusive workplace where every teammate has the opportunity to succeed, build a career and contribute to our shared success. This includes attracting and developing exceptional talent, recognizing and rewarding performance, and supporting our teammates' physical, emotional, and financial wellness through affordable, competitive and flexible benefits.
We value the unique perspectives individuals bring from all backgrounds and career paths - whether shaped by military service, community college education, or a wide range of work and life experiences. These journeys foster resilience, leadership and innovation, strengthening our workforce and positively impact the communities we serve.
Bank of America is committed to an in-office culture that supports collaboration, engagement, and career development. Our approach includes clear in-office expectations, while providing an appropriate level of flexibility based on role-specific responsibilities and business needs.
At Bank of America, you can build a successful career with opportunities to learn, grow, and make an impact. Join us!

Position Summary:

Global Information Security (GIS) is responsible for protecting bank information systems, confidential and proprietary data, and customer information. GIS develops the bank's Information Security strategy and policy, manages the Information Security program, identifies and addresses vulnerabilities and operates a global security operations center that monitors, detects and responds to cybersecurity incidents. Within GIS, Identity and Access Management (IAM) is a security discipline that enables the right individuals to access the right resources at the right times and in the right context. IAM addresses the mission-critical need to ensure appropriate access to the resources across increasingly heterogeneous technology environments, and to meet increasingly rigorous compliance requirements.

What you can expect in Identity & Access Management:

In today's highly connected world, managing and securing the identity of users is essential to the safety and success of our workforce. The Identity & Access Management (IAM) team works within Global Information Services (GIS) and in close participation with all other LOB teams as well as second and third line of defense partners. This role is highly visible and requires frequent interaction with senior management and key stakeholders.

Are you passionate about the latest IT technologies and thrive in a fast-paced international environment? In a typical day, you may work with other team members on the book of work, operational concerns, or risk items. You will help overcome obstacles and maintain good relationships with key stakeholders across the bank to ensure timely and effective delivery. We offer you the opportunity to collaborate with passionate competent people, experts in their field. We thrive on being challenged and everything we do is anchored in managing risk for the bank.

Responsibilities:

  • Administer and maintain RACF security profiles for users, groups, datasets and general resources.

  • Implement, review, and update RACF rules to align with security policies and compliance requirements.

  • Analyze and troubleshoot security incidents and access issues, including 24/7 on-call support on a rotating basis.

  • Provide support during mainframe upgrades, migrations, and disaster recovery tests.

  • Develop and maintain process and procedural documentation.

  • Identify opportunities for process automation or improvement and design/develop/deploy solutions.

  • Work closely with internal/external audit and compliance teams to ensure adherence to IAM standards.

Required Qualifications:

  • 3+ years of experience in mainframe security administration/engineering in a RACF environment

  • 3+ years of relevant IAM experience

  • Working knowledge of the z/OS mainframe environment

  • Experience with:

  • Add-on security managers (zSecure/Vanguard)

  • TSO/ISPF

  • JCL, CARLa, and/or REXX

  • USS Security

  • Utilizing AI for process improvement/automation

  • Excel

  • ServiceNow

Desired Qualifications:

  • Excellent communication skills

  • Excellent analytical, troubleshooting, and problem-solving skills

  • Ability to work collaboratively with other team members and partners in a fast-paced/high-volume environment.

This job will be open and accepting applications for a minimum of seven days from the date it was posted

Shift:

1st shift (United States of America)

Hours Per Week:

40

Pay Transparency details

US - CO - Denver - 1144 15th St - Denver Gis (CO9926), US - DC - Washington - 1800 K St NW - 1800 K Street NW (DC1842), US - IL - Chicago - 540 W Madison St - Bank Of America Plaza (IL4540), US - MA - Boston - 100 Federal St - 100 Federal St Lp (MA5100)Pay and benefits informationPay range$78,200.00 - $136,300.00 annualized salary, offers to be determined based on experience, education and skill set.Discretionary incentive eligibleThis role is eligible to participate in the annual discretionary plan. Employees are eligible for an annual discretionary award based on their overall individual performance results and behaviors, the performance and contributions of their line of business and/or group; and the overall success of the Company.BenefitsThis role is currently benefits eligible. We provide industry-leading benefits, access to paid time off, resources and support to our employees so they can make a genuine impact and contribute to the sustainable growth of our business and the communities we serve.

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About Bank Of America

Sourced by ZipRecruiter

At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. Responsible Growth is how we run our company and how we deliver for our clients, teammates, communities and shareholders every day. One of the keys to driving Responsible Growth is being a great place to work for our teammates around the world. We're devoted to being a diverse and inclusive workplace for everyone. We hire individuals with a broad range of backgrounds and experiences and invest heavily in our teammates and their families by offering competitive benefits to support their physical, emotional, and financial well-being.

Industry

Finance and insurance

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

1998

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