Mainframe z/OS System Programmer

Who We Are

At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses.  We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive.

The Role

Your role

As a Mainframe z/OS System Programmer, you’ll apply your expertise to the systems at the heart of customers’ mission-critical IT environments. You’ll be solving complex technical challenges, maintaining reliable z/OS platforms and helping customers evolve their mainframe environments as part of a changing hybrid IT landscape. 

Your work will span both day-to-day platform operations and longer-term improvement. You’ll maintain and upgrade z/OS environments, diagnose system and performance issues, support disaster recovery activities and make recommendations that improve resilience and performance. When an issue occurs, you’ll investigate the root cause and work with technical teams to put the right solution in place.

What you will do

• Run z/OS environments: Install, configure, maintain and support z/OS systems, applying maintenance and patches to keep environments reliable and current

• Maintain the platform: Complete SYSRES builds, apply PTFs, update licence keys and manage third-party software and product maintenance

• Find and fix: Diagnose system failures, freezes, job abends and other technical issues, identifying root causes and implementing appropriate resolutions

• Optimise performance: Monitor system behaviour and recommend improvements that support performance, stability and efficient operation

• Strengthen resilience: Support GDPS environments and disaster recovery drills, including flip-and-stay recovery approaches

• Support modernisation: Contribute technical expertise to mainframe migration and modernisation initiatives, helping customers evolve and integrate their mainframe environments

• Protect production: Participate in 24/7 on-call support and respond to system issues affecting production environments

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.

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 Technical and Professional Expertise

• 10+ years of hands-on Mainframe z/OS system programming experience, including installation, configuration, maintenance and production support

• Experience applying z/OS maintenance and patches, managing third-party software and supporting system reliability

• Hands-on experience with SYSRES builds, PTF application, disaster recovery drills and license-key updates

• Experience performing product maintenance, upgrades and compatibility checks, including work with z/OS 3.1 and IBM z16 environments

• Proven ability to diagnose and resolve system failures, freezes, job abends and performance issues

• Working knowledge of GDPS and disaster recovery approaches, including the flip-and-stay model

• Experience contributing to mainframe migration or modernization initiatives and recommending system performance improvements

• Ability to participate in a 24/7 on-call rotation supporting production systems

Preferred Technical and Professional Experience

• Additional experience in z/OS administration

• Experience contributing to mainframe modernization initiatives

• Experience supporting IBM z16 or IBM z17 mainframe systems

• Experience guiding or mentoring other technical professionals

Being You

The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way.

What You Can Expect

Your career with us isn’t just a job—it’s an adventure with purpose.  We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best.

From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth.

We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success.

We want you to thrive here—and we’re committed to helping you do just that. Ready to make an impact? Join us and help shape what’s next.

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.