Mainframe Platform & Infrastructure Engineer

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

As a Mainframe Specialist at Kyndryl, you will play a critical role in managing, supporting, and optimizing enterprise mainframe environments, ensuring high availability, performance, security, and operational stability of mission-critical systems.
This position brings together expertise across platform engineering, systems administration, network, and automation, working with technologies such as IBM Z (z/OS, z/VM, Linux on Z), Tandem, and Unisys. You will be responsible for maintaining reliable system operations, secure connectivity, and efficient automated processes that support core business functions.
You will collaborate with global and cross-functional teams to monitor environments, resolve incidents, implement enhancements, and drive continuous improvement initiatives aligned with enterprise and compliance standards.


Key Responsibilities

• Ensure availability, performance, and stability of mainframe environments through proactive monitoring.
• Administer and optimize z/OS, z/VM, and Linux on Z systems in enterprise environments.
• Monitor and maintain network connectivity and latency, including support for VTAM and mainframe network protocols.
• Support and enhance automation processes, including scripting and system workflows.
• Plan, schedule, and execute batch processing operations for business-critical workloads.
• Perform incident response, root cause analysis (RCA), and problem resolution for system, network, and automation issues.
• Manage patching cycles, system updates, and compliance activities, ensuring minimal disruption.
• Perform performance and capacity analysis (e.g., SMF/RMF) and recommend optimizations.
• Utilize tools such as TSO/ISPF, JCL, JES2/3, SDSF, and monitoring solutions (e.g., OMEGAMON, BMC, CA OPS/MVS).
• Support mainframe console operations and system management activities.
• Ensure security and compliance standards, including RACF basics and audit readiness.
• Collaborate with cross-functional teams to implement changes, upgrades, and best practices (ITIL).
• Maintain accurate technical documentation, runbooks, and operational procedures.

Who You Are

Required Skills & Experience

• 3–5+ years (or more) of experience in enterprise mainframe environments (systems, platform, network, or automation).
• Strong hands-on experience with z/OS, z/VM, and/or Linux on Z.
• Knowledge of mainframe network protocols (e.g., VTAM) and connectivity concepts.
• Experience with automation tools, scripting (REXX, JCL, Shell), and batch processing.
• Proficiency in mainframe monitoring, incident management, and system operations.
• Experience with mainframe management tools for troubleshooting and performance analysis.
• Familiarity with patch management, compliance processes, and security principles.
• Strong analytical, troubleshooting, and problem-solving skills.
• Knowledge of ITIL processes (incident, change, and problem management).
• Intermediate English proficiency for documentation and global collaboration.

Preferred Skills & Experience

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• Certifications such as IBM Z or ITIL Foundation.
• Experience in large-scale, regulated, or audit-driven environments.
• Knowledge of RACF, system security, and compliance frameworks.
• Experience with monitoring and automation tools (OMEGAMON, BMC MainView, CA OPS/MVS).
• Strong experience in root cause analysis and continuous improvement initiatives.
• Ability to work independently and collaboratively across global teams.
• Experience supporting end-to-end infrastructure (hardware, OS, network, middleware).

Your Profile

• Growth mindset with focus on continuous learning and development
• Customer-oriented approach with commitment to service excellence
• Strong ownership, attention to detail, and problem-solving mindset
• Collaborative and inclusive, with ability to work across diverse teams

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.