Mainframe Site Reliability Engineer (SRE)

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

Join us as a Mainframe Site Reliability Engineer (SRE) and embark on an exciting journey of ensuring reliability, resiliency, and innovation in our information systems and ecosystems. As an SRE at Kyndryl, you'll be at the forefront of driving continuous improvement and delivering exceptional service to our customers.

Your role goes beyond traditional engineering, as you'll have the opportunity to analyze business needs, tackle complex problems, and provide strategic advice and designs. You'll be involved in every stage of the software lifecycle, from building and testing to deploying changes and maintaining robust systems.

We're looking for a true visionary who can think strategically and help shape the future of our services. Your expertise in building trusted relationships with customers and partnering with them for success will be instrumental in driving our growth.

As an SRE, you'll have the unique opportunity to work on end-to-end services, spanning customer sites and platforms. Collaboration and proactivity are key as you work alongside a talented team of professionals, eager to make a difference. You'll embrace an entrepreneurial mindset, taking ownership of your responsibilities and constantly seeking innovative solutions.

With an unwavering focus on quality, robustness, and security, you'll be a driving force in implementing cutting-edge tools that enhance our operations, improve reliability, and gather valuable feedback on our platforms. Your ability to identify and mitigate common operational issues will play a crucial role in delivering seamless experiences to our customers.

We are seeking a Mainframe Site Reliability Engineer (SRE) to join our infrastructure team. In this role, the engineer will bridge traditional mainframe systems programming with modern SRE practices and will serve as a key technical lead for the mainframe environment—ensuring high availability, performance, and scalability for mission-critical workloads. As a Kyndryl representative, the engineer will act as the lead consultant during major incidents and architectural changes, driving service improvements and modernization initiatives, and strengthening platform stability through rigorous root cause analysis (RCA) and automation.

Act as a consultant for all technical teams, advising on migrations/modernization upgrades, architectural changes, and DR exercises.

• Participate in and document major incidents (P1/P2) and represent Kyndryl in technical discussions within customer forums.

• Collaborate with internal stakeholders (z/OS, CICS, DB2, Automation, Storage, etc.) to drive technical solutions and fixes.

• Conduct Root Cause Analysis (RCA) and blameless post-mortem reviews to prevent recurrence of incidents.

• Analytical Mindset: A "detective" approach to system logs (LOGREC, SYSLOG) and dump analysis.

• Proactive Ownership: A mindset focused on "Zero Outages" through predictive monitoring and robust system health checks.

• Support internal and external audits by, addressing findings, and tracking mitigations to completion.

• Identify performance bottlenecks and implement permanent fixes, proactively tracking action items to completion to ensure continuous service enhancement.

• Suggest and implement service improvements, best practices, automation, and modernization opportunities, as well as alerting for seamless operations.

• Follow SRE tenets applicable to mainframe platform.

If you're passionate about pushing the boundaries of technology, thrive in a collaborative environment, and are motivated by the opportunity to shape the future of reliability engineering, then we want to hear from you. Join our team and be part of a dynamic and forward-thinking organization that values innovation and excellence in everything we do.

Your Future at Kyndryl
Kyndryl has a global footprint, which means that as a Site Reliability Engineer at Kyndryl you will have opportunities to work on projects and collaborate with colleagues from around the world. This role is dynamic and influential – offering a wide range of professional and personal growth opportunities that you won’t find anywhere else.

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 experience in operational management, including incident management and escalations

• Expert level knowledge of z/OS system programming, including LPAR management, IPL processes, Parallel Sysplex, and JES2.

• Extensive experience in troubleshooting, RCA, and conducting blameless post-mortems.

• Good understanding of how to apply SRE principles to mainframe environments.

• Good Knowledge of mainframe application development (COBOL, JCL, Rexx) and a strong understanding of application workflows and scheduling.

• Fundamental understanding of CICS, IMS, and MQ transaction management workflows.

• Fundamental understanding of DB2 databases.

• Fundamental understanding of RACF security.

• Fundamental understanding of IBM workload scheduler.

• Fundamental understanding of storage(DS8K), VTS and other mainframe hardware that comprises the architecture.

• Knowledge of host networking (TCP/IP, VTAM, SSH, and other standard mainframe protocols) and enterprise networking (VLAN, DHCP, DNS, firewalls, etc.).

Preferred Technical and Professional Experience

• Experience implementing automation solutions on the mainframe platform

• Exposure to mainframe modernization initiatives and platform optimization

• Experience with predictive monitoring, proactive alerting, and system health checks

• Ability to integrate traditional mainframe operations with modern reliability engineering practices


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.