This job is with Kyndryl, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.
Who We Are
At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.

The Role
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*■ Work Style
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■ Key Highlights
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■ Message from the Team*

• Native level of Japanese is required*.■ Job Description As aTechnical Leader in the Mainframe Domain, this role is critical in supporting both internal and external infrastructure platforms. You will be expected to perform as a technical master, focusing on hardware upgrades, incident response, and proposal support centered around z/OS. This position offers a high degree of autonomy and specialization, allowing you to lead in areas such as troubleshooting, proposal development, and team development.
• ■ Responsibilities
• Incident Response & Technical Support Leadership
• Lead and coordinate technical efforts during major incidents Example: In the event of a production system failure, lead root cause analysis, impact assessment, and propose permanent solutions.
• Resolve technical bottlenecks quickly Example: Provide and implement solutions for performance degradation or latency issues that cannot be resolved on-site.
• Conduct post-incident reviews and formulate recurrence prevention measures Example: Host Post-Incident Reviews, extract lessons learned, and update standard procedures accordingly.
• Proposal & Delivery Support Leadership
• Conduct technical reviews and formulate solutions during proposal phases Example: During RFP responses, organize technical requirements and propose configurations considering cost and risk.
• Participate in key projects as a technical advisor Example: Provide reviews and guidance on performance design, migration planning, and testing strategies.
• Standardize technical practices and provide design templates Example: Develop reusable patterns and standardized design documents across projects.
• Internal Skill Development & Talent Cultivation Leadership
• Plan and lead internal training sessions and study groups Example: Regularly host sessions on the latest z/OS, Db2 features, and cloud integration.
• Manage knowledge assets and internal documentation Example: Systematize past incident cases, success stories, and technical materials for internal reuse.
• Act as a mentor through buddy programs Example: Provide OJT, code reviews, and career guidance for junior engineers.
• Technology Strategy & External Collaboration Leadership
• Evaluate and promote adoption of new technologies Example: Conduct PoCs for AI Ops, zCloud, Red Hat OpenShift, and develop internal rollout plans.
• Establish technical escalation paths with external vendors Example: Collaborate with IBM, Red Hat, AWS technical teams to secure pre-validation and escalation routes.
• Attend global conferences and research technology trends Example: Participate in Red Hat Summit / HPE Discover and share insights internally.
• Cross-Organizational Standardization & Risk Management Leadership
• Operate company-wide technical review committees Example: Consolidate technical support requests across projects, conduct standardization, risk evaluation, and approvals.
• Lead Master/Buddy programs Example: Collaborate with multiple SMEs to ensure knowledge transfer and prevent dependency on individuals.
• Develop technical roadmaps and resource plans Example: Plan staffing and skill development for upcoming OS upgrades and cloud migrations.
• Primarily remote work
• On-site attendance only when necessary (approx. 2-4 times/month) for system implementation, testing, data center operations, client meetings, training, or knowledge-sharing sessions.
• Opportunity to lead and contribute to various projects as a technical expert
• Rich exposure to mainframe delivery projects, ideal for deepening technical expertise
• Access to global training programs to acquire cutting-edge knowledge and experience
• Competitive compensation and flexible work style (mostly remote)

Our team leverages deep technical expertise in the mainframe domain to participate in a wide range of projects. You'll have significant autonomy and opportunities to work closely with z/OS and hardware technologies.

Compared to other companies, we offer a wealth of mainframe delivery projects, making this an ideal environment for those looking to further specialize.

There is a clear career path toward becoming a top-level technical expert, and global training programs are available to help you gain advanced knowledge and experience.

If you're someone who wants to "compete through technology" and "become a true professional," we welcome your application.

We're happy to start with a casual interview.

Looking forward to hearing from you.

Who You Are
*■ Required (MUST)*

• Native level of Japanese
• Over 10 years of experience in mainframe operations (e.g., z/OS)
• Hands-on experience with hardware upgrades and version updates
• Project experience across multiple client accounts

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*■ Preferred (WANT)*

• Knowledge of z/OS and CPU architecture
• Business-level reading and writing skills in English Note: Verbal English communication is not required, but internal and external documentation is primarily in English.

Being You
Diversity is a whole lot more than what we look like or where we come from, it's how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we're not doing it single-handily: Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you - and everyone next to you - the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That's the Kyndryl Way.

What You Can Expect
With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter - wherever you are in your life journey. Our employee learning programs give you access to the best learning in the industry to receive certifications, including Microsoft, Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations. At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed.

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.