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The Role

As a Mainframe Systems Administrator, you will manage, support, and optimize z/OS and z/VM environments to ensure high system availability, operational stability, and compliance with enterprise standards. You will proactively monitor system health, coordinate patching activities, and use mainframe management tools to analyze performance and resolve incidents that impact on critical business operations.

In this role, you will collaborate closely with cross‑functional teams to implement best practices, support audits and compliance requirements, and maintain accurate system documentation. Your work will help ensure reliable and secure mainframe platforms that support mission‑critical workloads.

Key Responsibilities

- Ensure system availability by proactively monitoring and supporting z/OS and z/VM mainframe environments.
- Maintain patch compliance, coordinating system updates and changes to minimize business impact and downtime.
- Use mainframe management tools to analyze performance, identify risks, and resolve incidents effectively.
- Collaborate with cross‑functional teams to support business operations and implement operational best practices.
- Document system changes and maintain accurate records to support audits, compliance, and governance requirements.

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 & Experience

- 5+ years of hands‑on experience supporting z/OS and z/VM systems in mainframe environments.
- Proficiency in z/OS and z/VM administration and troubleshooting.
- Experience using mainframe management tools for monitoring, performance analysis, and incident resolution.
- Familiarity with patch management, incident response, and compliance processes.
- Strong analytical, problem‑solving, and troubleshooting skills.

Preferred Skills & Experience

- Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent professional experience).
- Intermediate English proficiency, required for technical documentation, communication with general teams, and incident reporting.
- Experience working in regulated or large enterprise environments.
- Knowledge of ITIL‑based incidents and change management practices.
- Ability to work independently while collaborating across infrastructure, application, and operations teams.

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.

Kyndryl is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics. Kyndryl is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

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Postúlate en Kit Empleo: kitempleo.com.mx/empleo/59wi0x

📌 Mainframe System Administrator (z/OS & z/VM) (Ciudad de México)
🏢 Kyndryl
📍 Ciudad de México