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Mainframe Administration Jobs in Chicago, IL (NOW HIRING)

Ensono

Client Partner

Downers Grove, IL

Worker Type: Employee Ensono is a leading, large-scale provider of mainframe and infrastructure ... A or post graduate degree preferred * CM-YES - Commission Eligible - Yes (Commission Eligible ...

Ensono

Client Partner

Downers Grove, IL · On-site

Client Partner Ensono is a leading, large-scale provider of mainframe and infrastructure services ... A or post graduate degree preferred * CM-YES - Commission Eligible - Yes (Commission Eligible ...

US Bank

Principal Network Engineer z/OS

Chicago, IL · On-site

Monitor, analyze, and resolve complex mainframe networking issues involving multiple protocols ... Proven administration experience with TPX Session Manager in large-scale enterprise environments.

Apex Informatics

Enterprise Architect

Chicago, IL · On-site

$71 - $91.75/hr

Qualifications (must haves) • Strong knowledge of Linux/Unix systems administration and ... Mainframe, Linux) • Experience architecting the solution from ground up as well as re ...

360 IT Professionals

Java/J2EE Architect

Chicago, IL · On-site

$65 - $87.50/hr

... administration, highly complex and sophisticated interface functions between operating and virtual operating systems, and between mainframe application systems and various IBM and Microsoft Server ...

Allcon, Inc.

Infrastructure Architect

Chicago, IL

$68 - $87/hr

... Hands on Administration experience in both Linux and Windows-based systems in a Cloud or ... understanding of Mainframe, AS400, & Tandem Hands-on technical practitioner and individual ...

Allcon, Inc.

Infrastructure Architect

Chicago, IL · On-site

$68 - $87/hr

... Hands on Administration experience in both Linux and Windows-based systems in a Cloud or ... Mainframe, AS400, & Tandem • Hands-on technical practitioner and individual contributor • ...

AbbVie

AI Business Systems Analyst

North Chicago, IL · On-site

$65K/yr

... administration of purchasing systems. Systems implemented must meet projected timelines and customer expectations. The incumbent supports various mainframe, Lotus Notes, stand-alone applications ...

AbbVie

AI Business Systems Analyst

North Chicago, IL · On-site

... administration of purchasing systems. Systems implemented must meet projected timelines and customer expectations. The incumbent supports various mainframe, Lotus Notes, stand-alone applications ...

AbbVie

AI Business Systems Analyst

North Chicago, IL · On-site

... administration of purchasing systems. Systems implemented must meet projected timelines and customer expectations. The incumbent supports various mainframe, Lotus Notes, stand-alone applications ...

Collabera

SAS Programmer

Lake Bluff, IL · On-site

... and Mainframe applications. Interprets process, data modules, and business requirements into ... Bachelor's degree in Computer Science or Business Administration or equivalent training or work ...

Northern Trust

Sr. Lead, SW Support

Chicago, IL · On-site

The Senior Lead, Software Support is part of the global Accounting and Fund Administration ... Strong experience in application production support across mainframe, distributed and data ...

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Mainframe Administration information

See Chicago, IL salary details

$10

$54

$74

How much do mainframe administration jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for mainframe administration 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 mainframe administration?

Mainframe Administration involves managing and maintaining mainframe computer systems, which are powerful servers used by large organizations for critical applications and bulk data processing. Mainframe Administrators are responsible for installing, configuring, monitoring, and securing mainframe hardware and software. They ensure system performance, troubleshoot technical issues, handle backup and recovery, and apply updates or patches to keep systems running smoothly and securely. This role often requires strong technical skills, attention to detail, and the ability to work with legacy systems.

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

To thrive as a Mainframe Administrator, you need a solid understanding of mainframe operating systems (such as z/OS), system configuration, and troubleshooting, typically supported by a degree in computer science or related IT experience. Familiarity with tools like IBM System Automation, JCL, RACF, and monitoring solutions, as well as certifications such as IBM Certified System Administrator, is highly valued. Strong analytical thinking, attention to detail, and effective communication skills help administrators efficiently resolve issues and collaborate with IT teams. These skills and qualifications are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by mainframe administrators and how can they be addressed?

Mainframe Administrators often encounter challenges such as managing legacy systems, ensuring system uptime, and balancing security with accessibility. Keeping up with evolving technologies and integrating mainframes with modern applications can require continuous learning and adaptation. Effective communication with development and operations teams is vital to ensure seamless updates and minimize downtime. Proactively monitoring system performance and applying best practices for disaster recovery can also help mitigate risks and maintain reliability.

What is the difference between Mainframe Administration vs Mainframe Support?

AspectMainframe AdministrationMainframe Support
CertificationsIBM Certified System Administrator, z/OS certificationsSimilar certifications, often including z/OS support certifications
Work EnvironmentData centers, enterprise IT departments managing mainframe systemsHelp desks, support teams assisting users and troubleshooting issues
ResponsibilitiesSystem setup, configuration, maintenance, performance tuningIssue resolution, user support, incident management
Industry UsageFinancial institutions, government agencies, large corporationsSame industries, focusing on user support and problem resolution

Mainframe Administration involves managing and maintaining mainframe systems, ensuring optimal performance and security. Mainframe Support focuses on assisting users, troubleshooting issues, and resolving incidents. Both roles require similar certifications and are vital in industries relying on mainframe technology, but they differ in daily responsibilities and focus areas.

Is it hard to become a mainframe administrator?

Becoming a mainframe administrator requires a strong understanding of mainframe systems like IBM z/OS, proficiency in scripting and automation, and often a relevant certification. The role can be technically challenging due to the complexity of mainframe environments, but with proper training and experience, it is achievable for those with a background in IT or computer science.

Is mainframe administration a good career option?

Mainframe administration is a stable and well-paying career that involves managing large-scale computer systems used by many organizations. It requires knowledge of mainframe operating systems like z/OS, skills in system maintenance, and often certifications such as IBM Certified System Administrator. The role offers opportunities for specialization and long-term job security due to the continued reliance on mainframes in industries like finance and government.

What does a mainframe administrator do?

A mainframe administrator manages and maintains large-scale computer systems known as mainframes, ensuring their security, performance, and availability. They configure hardware and software, monitor system operations, troubleshoot issues, and implement updates, often using tools like z/OS and requiring knowledge of system security and backup procedures.

What are popular job titles related to Mainframe Administration jobs in Chicago, IL?

For Mainframe Administration jobs in Chicago, IL, the most frequently searched job titles are:

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

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

Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $114,373 per year, or $55 per hour.

Identity & Access Management (IAM) Security Administration Specialist

Bank of America

Chicago, IL • On-site

Full-time

PTO

Posted 18 days ago

Bank Of America rating

8.2

Company rating: 8.2 out of 10

Based on 529 frontline employees who took The Breakroom Quiz

50th of 171 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!

Please note: Work hours for this role are 10:00 AM - 7:00 PM (M-F)

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.

Overview:

This IAM Security Administration position is an individual contributor responsible for daily granting of logical access with the highest quality of service for hundreds of proprietary applications on different technology models and platforms. The ideal candidate is result-oriented, business focused, and an effective team player who excels at collaborating across multiple organizational units, at various levels. Success in this role requires a strong analytical mindset and a passion for complex business issues, identifying root causes, and evaluating situations or data that require in-depth analysis of multiple factors. The ideal candidate exercises sound judgment within broadly defined practices and policies when selecting methods, techniques, and evaluation criteria to achieve results. They are comfortable navigating ambiguity and uncertainty in day-to-day responsibilities, leveraging creativity, collaboration, and team synergies to solve challenges and enable business operations in real time.

Required Qualifications:

  • 3+ years of previous experience in Information Technology / Information Security / Identity and Access Management

  • Detailed, bank specific access administration knowledge in Windows, and/or Midrange and Mainframe Platforms with emphasis on security and access controls

  • Experience leading complex technical projects, meeting target timelines, facilitating project meetings, authoring project documentation, issue resolution, and project resource identification

  • Excellent process design capability to improve overall efficiency, mitigate resource conflicts, and improve customer/client experience

  • Ability to navigate and work effectively across a complex, geographically dispersed organization that includes technical and non-technical partners

  • A risk-oriented perspective is required along with the ability to support access management processes

  • Strong analytical skills/problem solving/conceptual thinking

  • Communicates effectively and confidently with others and collaborates productively to get things done

  • Demonstrable ability to self-direct project outcomes, with minimal supervision to achieve program goals

  • Strong leadership skills and qualities which enable you to work with peers and various levels of management

  • Microsoft Office Proficient (Excel, Word, Outlook, Visio, PowerPoint, Etc.)

Desired Qualifications:

  • Experience or relevant course work with various languages such as Python, PowerShell, JAVA, VBA, Angular, SQL/Toad, etc

  • Strong reporting and documentation skills including experience in Microsoft Visio

  • Data analysis and visualization tools such as Tableau, Python, Visio, etc.

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

Social media

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