Mainframe z/OS System Administrator - Japanese & English

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 Japanese-Speaking IBM z/OS System Administrator, you will be responsible for the administration, maintenance, support, and optimization of IBM Mainframe z/OS environments that support mission-critical business applications and services.

You will provide hands-on expertise in z/OS system administration, including system maintenance, upgrades, software installations, performance monitoring, troubleshooting, and incident resolution. You will analyze and resolve complex technical issues, perform root cause analysis (RCA), and contribute to continuous service improvement initiatives to ensure a stable, secure, and high-performing mainframe environment.

This role requires professional proficiency in both Japanese and English, enabling effective communication of technical concepts, incidents, changes, and solutions across diverse teams and customer environments.

Success in this role is measured by platform stability, timely incident resolution, successful implementation of changes and upgrades, strong technical ownership, effective customer engagement, and high levels of customer satisfaction.

What you will do

• Configure, maintain, administer, and optimize IBM z/OS environments.
• Provide technical support for z/OS and related components, including JES2, SMP/E, TSO/ISPF, USS, SDSF, JCL, REXX, VSAM, TCP/IP and ISV products.
• Troubleshoot and resolve complex system and production issues, including escalated incidents requiring deep technical analysis.
• Perform root cause analysis and implement corrective and preventive actions for recurring issues.
• Support z/OS maintenance, upgrades, system changes, software installation and configuration.
• Participate in change, incident, problem, release, and configuration management processes.
• Monitor system health, performance, availability, and capacity and take appropriate corrective actions.
• Support Disaster Recovery (DR) planning, testing, and recovery activities.
• Collaborate with application, infrastructure, storage, network, security, automation, and other z/OS support teams to deliver integrated solutions.
• Maintain system documentation, operational procedures, configurations, and troubleshooting knowledge.
• Provide technical guidance and support to other team members where required.
• Communicate effectively with customer stakeholders in Japanese and English, including technical discussions, incident coordination, operational updates, and problem resolution.
• Ensure activities are completed in accordance with agreed SLAs, security requirements, operational controls, and customer procedures.

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 Hyperscale's 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 skills and experience

• Bachelor's degree in computer science, Information Technology, Engineering, or a related field, or equivalent industry experience.
• 7+ years' experience
• Strong hands-on experience in IBM z/OS System Administration / System Programming within enterprise production environments.
• Good working knowledge of z/OS, JES2, SMP/E, USS, TSO/ISPF, SDSF, JCL, REXX, VSAM, TCP/IP, and related mainframe technologies.
• Experience in system maintenance, software installation, upgrades, patching, configuration, and troubleshooting of z/OS environments.
• Strong understanding of incident, problem, change, release, and configuration management processes.
• Proven ability to analyze, troubleshoot, and resolve complex technical and production issues, including root cause analysis (RCA).
• Experience supporting high-availability, business-critical mainframe environments, including Disaster Recovery (DR) and recovery testing.
• Excellent customer-facing, analytical, documentation, communication, and collaboration skills with the ability to work across global teams.
• Professional proficiency in Japanese and English (written and spoken), with the ability to conduct technical discussions and effectively engage with Japanese customer stakeholders and global delivery teams.
  

Preferred skills and experience

• Experience supporting large-scale enterprise or regulated customer environments.
• Experience with IBM mainframe monitoring, automation, performance, capacity, security, or scheduling tools.
• Working knowledge of DB2, CICS, IMS, MQ, RACF, or other related mainframe technologies.
• Experience in mainframe modernization, automation, scripting, or DevOps practices.
• Relevant IBM, ITIL, Mainframe, Cloud, or DevOps certifications would be an advantage.

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.