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Mainframe Development Jobs in Chicago, IL (NOW HIRING)

Kyndryl

Mainframe Logical Security Engineer

Chicago, IL · On-site

The Role We are seeking a skilled Mainframe Logical Security Engineer to design, implement, and ... development. You are customer-focused - someone who prioritizes customer success in their work. And ...

Virtusa Corporation

Architect (ATC)

Chicago, IL · On-site

... development practices implementing automated CI CD workflows and driving large scale mainframe modernization initiatives. The candidate will lead source code management migration application ...

Capgemini

z/OS Connect API Engineer

Chicago, IL · On-site

$73K - $174K/yr

The ideal candidate will have strong expertise in IBM z/OS Connect, API development, mainframe integration technologies, and enterprise security frameworks, along with experience in automation and CI ...

Broadcom

Support Engineer - Mainframe

Lisle, IL · On-site

This position is responsible for providing mainframe technical support for the Endevor/Zowe ... Continual focus on professional career development opportunities including product and industry ...

Broadcom Inc.

Support Engineer - Mainframe

Lisle, IL · On-site

$60 - $80/hr

This position is responsible for providing mainframe technical support for the Endevor/Zowe ... Continual focus on professional career development opportunities including product and industry ...

Infosys

Mainframe Modernization Program Lead

Chicago, IL · On-site

... development to enhance team effective • Scope changes and develop client requirements, ensuring proper estimation, approval, and contractual updates Your contribution to the team: • Demonstration ...

Ensono

Senior Sales Executive

Downers Grove, IL

Experience in working with managed services, hosting, mainframe, security and outsourcing is required * Broad relationship development and people networking experience, including leveraging existing ...

Ensono

Client Partner

Downers Grove, IL · On-site

... development role * Strong understanding of the managed service marketplace with technologies spanning legacy infrastructures such as mainframe and iSeries systems as well as both private and public ...

Ensono

Client Partner

Downers Grove, IL

... development role * Strong understanding of the managed service marketplace with technologies spanning legacy infrastructures such as mainframe and iSeries systems as well as both private and public ...

360 IT Professionals

Java/J2EE Architect

Chicago, IL · On-site

$65 - $87.50/hr

Assists the Chief Technology Officer in the control and projected use of resources, particularly mainframe and web-oriented tools and the development and production hardware and software environments ...

Fabergent

Tandem Consultant

Chicago, IL

Attunity Knowledge of SDLC + Agile methodologies Qualifications Development & Testing Experience in IBM Mainframe, Should Have Strong Documentation Skills - REQUIRED Additional Information All your ...

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Mainframe Development information

See Chicago, IL salary details

$10

$54

$74

How much do mainframe development jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for mainframe development 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 the difference between Mainframe Development vs Mainframe Testing?

AspectMainframe DevelopmentMainframe Testing
Primary FocusDesigning, coding, and maintaining mainframe applicationsVerifying and validating mainframe applications for bugs and performance
Required SkillsCOBOL, JCL, DB2, CICSTesting tools, scripting, debugging, knowledge of mainframe environments
Work EnvironmentDevelopment teams, coding in mainframe environmentsQuality assurance teams, testing labs, mainframe systems
CertificationsCOBOL certifications, IBM mainframe certificationsISTQB, mainframe testing certifications

While Mainframe Development involves creating and maintaining mainframe applications, Mainframe Testing focuses on ensuring those applications work correctly and efficiently. Both roles require knowledge of mainframe environments and related skills, but they serve different stages in the software lifecycle.

Is mainframe development a good career?

Mainframe development is a stable career with high demand in industries like finance and government that rely on legacy systems. It requires knowledge of languages such as COBOL and tools like JCL, and often offers competitive salaries and job security due to the specialized skills involved.

Is mainframe development still in demand?

Mainframe development remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Skilled mainframe developers with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and modernize these systems, ensuring their continued relevance in enterprise IT infrastructure.

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and typically collaborate with system administrators and analysts to ensure smooth operation of enterprise systems.
Mainframe Development jobs near you

Mainframe Logical Security Engineer

Kyndryl

Chicago, IL • On-site

Full-time

Re-posted 9 days ago

Kyndryl rating

7.2

Company rating: 7.2 out of 10

Based on 12 frontline employees who took The Breakroom Quiz

138th of 226 rated it services

Job description

Who We Are

At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.

The Role

Job Description

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, and availability of enterprise systems and data by enforcing robust access controls and complying with regulatory requirements.
This role requires employees to live in or around the Plano, TX, Charlotte, NC, Richmond, VA, Jacksonville, FL, Pennington, NJ, Chicago, IL area. You will be responsible to be onsite 3 days a week. We will consider candidates who are willing to relocate to any of these areas.

Responsibilities Include:

  • Administer and maintain RACF security environment across z/OS systems

  • Create, modify, and revoke:

    • User IDs

    • Groups

    • Resource profiles

    • Dataset and subsystem access permissions

  • Implement and maintain least-privilege access controls for:

    • Datasets

    • Applications (CICS, DB2, IMS, MQ)

    • System resources

Security Controls & Compliance

  • Configure and maintain security policies aligned with enterprise standards

  • Perform periodic access reviews, audits, and compliance checks

  • Support regulatory compliance (e.g., SOX, PCI, HIPAA where applicable)

  • Implement data protection controls and access monitoring mechanisms

Monitoring & Incident Response

  • Analyze security logs and reports:

    • SMF records

    • RACF reports

    • SIEM alerts

  • Investigate:

    • Access violations

    • Unauthorized access attempts

    • Security incidents

  • Troubleshoot and resolve:

    • Authorization failures

    • RACF-related abends or access issues

Security Architecture & Integration

  • Secure mainframe subsystems and integrations:

    • CICS, DB2, IMS, MQ, TCP/IP, USS

  • Support integration with:

    • Enterprise IAM solutions

    • Single Sign-On (SSO) / MFA (where applicable)

  • Define and maintain RACF classes, profiles, and rules for system-wide protection

Encryption & Advanced Security

  • Support:

    • Digital certificates

    • TLS/SSL configuration

    • ICSF (crypto services) at a high level

Ensure secure key management and encryption practices


One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here. You'll also get the chance to share your expertise by recommending modernization options, identifying new business opportunities, and cultivating relationships with other teams and stakeholders. Does the work get challenging at times? Yes! But you'll collaborate with a diverse group of talented people and gain invaluable management and organizational skills, which will come in handy as you move forward in your career.
Your future at Kyndryl
Every position at Kyndryl offers a way forward to grow your career, from Junior System Administrator to Architect. We have opportunities for Cloud Hyperscalers that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here.

Kyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof ofvaccinationto align with their respective COVID-19vaccinationpolicies. Those who believe they are eligible may apply for a medical or religious accommodation prior to the start of employment.

Who You Are

You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others.

Required Qualifications:

  • Strong hands-on experience with:

    • RACF administration on z/OS

  • Deep knowledge of:

    • RACF profiles, classes, and dataset security

    • User/group management and access control models

  • Experience with:

    • SMF data analysis

    • Security reporting and audit tools

  • Strong understanding of:

    • z/OS security concepts and system internals

Preferred Experience:

  • Experience in banking or financial services environments

  • Exposure to:

    • ACF2 or Top Secret (nice to have)

    • SIEM tools (Splunk, QRadar, etc.)

  • Experience with:

    • Automation (REXX, Python)

    • Identity governance tools

  • Experience with enterprise-wide security transformations or IAM integration

  • Knowledge of Zero Trust or modern security frameworks

  • Experience supporting regulatory audits in large enterprises

Being You

Diversity is a whole lot more than what we look like or where we come from, it's how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we're not doing it single-handily: Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you - and everyone next to you - the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That's the Kyndryl Way.

What You Can Expect

With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter - wherever you are in your life journey. Our employee learningprograms give you access to the best learning in the industry to receive certifications, includingMicrosoft, Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations. At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed.

Get Referred!
If you know someone that works at Kyndryl, when asked 'How Did You Hear About Us' during the application process, select 'Employee Referral' and enter your contact's Kyndryl email address.

What Kyndryl employees say

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About Kyndryl

Sourced by ZipRecruiter

Kyndryl is a market leader that thinks and acts like a start-up. We design, build, manage, and modernize the mission-critical technology systems that the world depends on every day.

Industry

It services

Company size

10,000+ Employees

Headquarters location

New City, NY, US

Year founded

2021

Social media

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