Mainframe I/O Configuration Administrator

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.

As a System Administrator at Kyndryl, you’ll solve complex problems and identify potential future issues across the spectrum of platforms and services. You’ll be at the forefront of new technology and modernization, working with some of our biggest clients – which means some of the biggest in the world.

What You Will DO

• Perform I/O configuration changes and support hardware additions, removals, and upgrades.
• Work with HCD (Hardware Configuration Definition) and IOCP (I/O Configuration Program).
• Configure and maintain channels, control units, devices, and related mainframe hardware.
• Support z/OS environments and troubleshoot I/O-related issues.
• Coordinate with system programmers, storage, network, and hardware teams for configuration activities.
• Perform impact analysis and validation before implementing configuration changes.
• Troubleshoot hardware connectivity and device configuration issues.
• Maintain configuration documentation and follow change-management processes.
  

Every position at Kyndryl provides a pathway to continuous learning and career growth. You will have access to opportunities that are unique to Kyndryl, including hands-on experience with enterprise technologies, structured learning programs, industry-leading certifications, and exposure to large-scale infrastructure environments.

Whether your goal is to broaden your expertise across multiple technology domains or specialize in Mainframe Infrastructure, IBM Z Hardware, Cloud, or Hybrid IT solutions, Kyndryl offers the resources, mentorship, and career development opportunities to help you achieve your professional aspirations. You will work alongside experienced professionals, contribute to mission-critical projects, and play a key role in delivering innovative technology solutions for customers around the world.

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.

• 5+ years of experience in Mainframe I/O Configuration.
• Strong expertise in HCD (Hardware Configuration Definition) and IOCP (Input/Output Configuration Program).
• Experience in IOCDS generation, activation, and maintenance.
• Strong understanding of FICON architecture and channel subsystem design.
• Experience with DASD configuration, enterprise storage management, and tape infrastructure.
• Knowledge of IBM Z CPC hardware design, configuration, and administration.
• Experience with z/OS IPL planning, execution, and support.
• Channel path management, optimization, and performance tuning.
• Experience in hardware migration planning and execution.
• Understanding of GDPS concepts, disaster recovery, and business continuity planning.
• Experience with Microsoft Windows Server 2016/2019 administration.
• Hands-on experience with VMware ESXi and virtualization technologies.
• Knowledge of public/private cloud environments and migration from on-premises infrastructure.

• IBM Z Mainframe Hardware and I/O Configuration certification or equivalent experience.
• Strong hands-on experience with IBM HCD and IOCP.
• Experience with FICON Directors, SAN connectivity, and enterprise storage integration.
• Knowledge of IBM DS8000 and other enterprise storage platforms.
• Experience supporting IBM Z CPC upgrades, PR/SM, LPAR configurations, and processor migrations.
• Familiarity with GDPS, high-availability solutions, and disaster recovery environments.
• Experience with z/OS IPL processes, HMC administration, and system activation procedures.
• Knowledge of Parallel Sysplex and multi-site mainframe environments.

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.