1

Mainframe Support Jobs in Chicago, IL (NOW HIRING)

z/OS Systems Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This person will work in a team environment supporting multiple systems in a highly redundant and robust mainframe environment. Participate in project teams to implement new capabilities and ...

R&D SW Engineer

Lisle, IL

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the Role Broadcom's Mainframe Software Division (MSD) is the industry leader in mainframe ... Coach and mentor junior engineers; support onboarding and knowledge transfer * Work closely with ...

R&D Engineer Software 3

Lisle, IL · On-site +1

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

Mainframe Modernization Program Lead

Chicago, IL · On-site

$101K - $132K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Support the preparation of technical and commercial proposals, aligning them with client needs and ... mainframe applications and data to cloud platforms • Align modernization initiatives with ...

Support deployment and management of Linux workloads on z/VM * Ensure system stability, performance, and security compliance * Perform patching, upgrades, and vulnerability remediation * Manage file ...

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 ...

Senior Developer

Naperville, IL · On-site

$54.50 - $72/hr

... Mainframe Cobol. 2. Secondary knowledge in CICS, JCL, VSAM, Unix Shell scripting perl scripting is preferred. 3. Weekend deployment support is there.

Senior Mainframe Software Engineer (Hogan API)

Chicago, IL · On-site

$126K - $166K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supporting NHID process. PCI and PAN compliance. Updating Working directly with Hogan ODS and PAS ... Hands on Mainframe development experience with Hogan COBOL, JCL, CICS, Json and Splunk, IMS ...

Java Engineer - REST APIs & Database Systems

Lisle, IL

$51 - $70/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

R&D Software Engineer

Lisle, IL

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

Showing results 41-60

Mainframe Support information

See Chicago, IL salary details

$10

$55

$74

How much do mainframe support jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for mainframe support in Chicago, IL is $55.03, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $62.45 per hour, depending on experience, location, and employer.

What is a mainframe support?

A Mainframe Support job involves maintaining, troubleshooting, and optimizing mainframe systems to ensure smooth operations. Responsibilities typically include monitoring system performance, resolving technical issues, applying software updates, and ensuring data security. Mainframe Support professionals work with legacy systems, batch processing, and various programming languages like COBOL or JCL. Their role is critical in industries like banking, healthcare, and government, where mainframes handle large-scale transactions and data processing.

What are the key skills and qualifications needed to thrive in mainframe support, and why are they important?

To thrive as a Mainframe Support professional, you need a solid understanding of mainframe operating systems (such as z/OS), basic programming skills, and troubleshooting abilities, typically supported by a degree in computer science or equivalent experience. Proficiency with tools like IBM ISPF, SDSF, JCL, and familiarity with monitoring and batch processing tools, as well as certifications like IBM Certified System Administrator, are often expected. Strong analytical thinking, communication, and teamwork skills are crucial for effectively addressing technical issues and collaborating with cross-functional teams. These abilities ensure prompt issue resolution and maintain the stability and reliability of critical business systems.

What are the typical daily responsibilities of a mainframe support?

Mainframe Support professionals typically monitor system performance, respond to incidents or service requests, and perform routine maintenance to ensure mainframe systems run smoothly. Their day may include troubleshooting job failures, updating software or system configurations, and working with application teams to resolve integration or data transfer issues. They often participate in on-call rotations and collaborate closely with other IT teams, such as network or security specialists. These responsibilities are essential to minimize downtime and maintain uninterrupted business operations.

What skills are needed for mainframe support?

Mainframe support requires strong knowledge of mainframe operating systems such as z/OS, proficiency in programming languages like COBOL and JCL, and experience with troubleshooting hardware and software issues. Familiarity with tools like IBM Debug Tool and knowledge of database management systems such as DB2 are also important. Certifications like IBM Certified System Programmer can enhance job prospects.

Is mainframe support still in demand?

Mainframe support professionals are still in demand due to the continued reliance of large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe troubleshooting remain valuable, especially in finance, government, and insurance sectors where legacy systems are prevalent.
What are the most commonly searched types of Mainframe Support jobs in Chicago, IL? The most popular types of Mainframe Support jobs in Chicago, IL are:
What are popular job titles related to Mainframe Support jobs in Chicago, IL? For Mainframe Support jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Mainframe Support jobs in Chicago, IL look for? The top searched job categories for Mainframe Support jobs in Chicago, IL are:
Infographic showing various Mainframe Support job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 20% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $114,463 per year, or $55 per hour.

Infrastructure Engineer Sr - RACF/Mainframe

PNC Bank

Downers Grove, IL • On-site

$65K - $194K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


PNC Bank rating

7.7

Company rating: 7.7 out of 10

Based on 345 frontline employees who took The Breakroom Quiz

91st of 171 rated banks


Job description

Position OverviewAt PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers. We work together each day to foster an inclusive workplace culture where all of our employees feel respected, valued and have an opportunity to contribute to the company's success. As an Infrastructure Engineer Sr within PNC's Enterprise Technology organization, you will be based in Pittsburgh, PA, Dallas, TX, Birmingham, AL, Cleveland, OH, Phoenix, AZ, Atlanta, GA, Charlotte, NC, Chicago, IL, Columbus, OH, Houston, TX, Jacksonville, FL, Richmond, VA, Philadelphia, PA, Miamisburg, OH, Raleigh, NC, Denver, CO or Washington, DC.
Due to the nature of this position we are seeking passionate IT Engineers. Candidates should have experience with the following:
1) Mainframe Security & Platform Software Maintenance
Own security administration and product installs for the mainframe infrastructure platform team-covering ACF2/RACF policy updates, CF structure changes, log exchange configuration, and security-related support (certificates, keyrings, IOGENs).
Plan and execute semiannual mainframe software maintenance (SMP/E apply/accept, product upgrades, and fixes), ensuring stable change implementation that safely impacts most of the bank's z/OS environments.
2) Mainframe Networking & Connectivity Services
Engineer and support network stack components including OSAs, TCP/IP, VTAM, OpenSSH, and Unix System Services to maintain resilient, highthroughput connectivity across LPARs and enterprise endpoints.
Monitor, troubleshoot, and optimize communications (routes, ports, encryption ciphers, AT-TLS/policies, interface definitions) to improve availability and performance while adhering to bank security standards.PNC is an in-office company that fosters a supportive culture where employees can thrive and achieve balance. We encourage candidates to connect with their recruiter and hiring manager to understand workplace expectations and ensure the role aligns with their goals.PNC will not provide sponsorship for employment visas or participate in STEM OPT for this position.Job Description
  • Provides expertise on platform engineering, while overseeing the team's effort and meeting customer needs. Uses technical knowledge and industry experience to design, build and maintain technology solutions.
  • Develops software components and hardware for complex projects; aligns these with business strategies and objectives.
  • Provides expertise on best practices, standards, engineering approaches and complex technical resolutions for processes.
  • Places emphasis on quality improvement efforts; ensures that deliverables are secure, scalable and reliable through estimation and correction.
  • Communicates with customers and integrates their needs with development, to meet business objectives.

PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be:

  • Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions.
  • Managing Risk - Assessing and effectively managing all of the risks associated with their business objectives and activities to ensure they adhere to and support PNC's Enterprise Risk Management Framework.
Qualifications

Successful candidates must demonstrate appropriate knowledge, skills, and abilities for a role. Listed below are skills, competencies, work experience, education, and required certifications/licensures needed to be successful in this position.

Preferred SkillsCompetitive Advantages, Customer Solutions, Design, Enterprise Architecture Framework, Machine Learning (ML), Project Management, Risk Analysis, Risk Assessments, Risk Management, Technical Knowledge, Technology DevelopmentCompetenciesApplication Delivery Process, Consulting, Effectiveness Measurement, Industry Knowledge, IT Industry: Trends & Directions, IT Standards, Procedures & Policies, Planning: Tactical, Strategic, Problem SolvingWork ExperienceRoles at this level typically require a university / college degree, with 5+ years of industry-relevant experience. Specific certifications are often required. In lieu of a degree, a comparable combination of education, job specific certification(s), and experience (including military service) may be considered.EducationBachelorsCertificationsNo Required Certification(s)LicensesNo Required License(s)Pay TransparencyBase Salary: $65,000.00 - $194,350.00Salaries may vary based on geographic location, market data and on individual skills, experience, and education. This role is incentive eligible with the payment based upon company, business and/or individual performance.Application WindowGenerally, this opening is expected to be posted for two business days from 03/10/2026, although it may be longer with business discretion.BenefitsPNC offers a comprehensive range of benefits to help meet your needs now and in the future. Depending on your eligibility, options for full-time employees include: medical/prescription drug coverage (with a Health Savings Account feature), dental and vision options; employee and spouse/child life insurance; short and long-term disability protection; 401(k) with PNC match, pension and stock purchase plans; dependent care reimbursement account; back-up child/elder care; adoption, surrogacy, and doula reimbursement; educational assistance, including select programs fully paid; a robust wellness program with financial incentives.In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.

To learn more about these and other programs, including benefits for full time and part-time employees, visitpncthrive.com.

Disability Accommodations Statement

If an accommodation is required to participate in the application process, please contact us via email at AccommodationRequest@pnc.com. Please include "accommodation request" in the subject line title and be sure to include your name, the job ID, and your preferred method of contact in the body of the email. Emails not related to accommodation requests will not receive responses. Applicants may also call 877-968-7762 and say "Workday" for accommodation assistance. All information provided will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.


At PNC we foster an inclusive and accessible workplace. We provide reasonable accommodations to employment applicants and qualified individuals with a disability who need an accommodation to perform the essential functions of their positions.

Equal Employment Opportunity (EEO)


PNC provides equal employment opportunity to qualified persons regardless of race, color, sex, religion, national origin, age, sexual orientation, gender identity, disability, veteran status, or other categories protected by law.

This position is subject to the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA) and, for any registered role, the Secure and Fair Enforcement for Mortgage Licensing Act of 2008 (SAFE Act) and/or the Financial Industry Regulatory Authority (FINRA), which prohibit the hiring of individuals with certain criminal history.

California Residents

Refer to the California Consumer Privacy Act Privacy Notice to gain understanding of how PNC may use or disclose your personal information in our hiring practices.


What PNC Bank employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom