Mainframe Network Support Specialist

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 Network Support Specialist at Kyndryl, you’ll be responsible for configuring, monitoring, and supporting network connectivity within enterprise mainframe environments. In this role, you ensure network availability, monitor latency, and support secure and reliable communication across critical systems.

You will troubleshoot network connectivity and performance issues, work with mainframe protocols and platforms, and collaborate with cross‑functional teams to implement network changes and improvements. Your work supports stable operations and helps maintain secure, high‑availability environments for mission‑critical business systems.

Key Responsibilities

• Monitor and maintain network availability and latency in mainframe environments.

• Configure and support mainframe network protocols to ensure secure and reliable connectivity.

• Troubleshoot and resolve network connectivity and performance issues across platforms.

• Collaborate with cross‑functional teams to implement network changes, upgrades, and improvements.

• Document network configurations and maintain standards to support security and compliance.

Your Future at Kyndryl

Every position at Kyndryl offers a way forward to growing your career. Whether you want to deepen your expertise in mainframe networking or expand into broader infrastructure and platform roles, you’ll find opportunities here to build your skills, gain exposure to enterprise‑scale environments, and grow your career while supporting critical global systems.

Who You Are

You’re good at what you do and bring hands‑on experience supporting mainframe network environments. You have a strong analytical mindset, are comfortable troubleshooting complex issues, and understand the impact of network performance and security on system availability. You work well in structured environments and collaborate effectively with global technical teams.

Required Skills and Experience

• 3+ years of hands‑on experience in mainframe network support or administration, with exposure to z/OS environments.

• Proficiency in configuring and monitoring mainframe network protocols (such as VTAM).

• Strong troubleshooting and analytical skills for diagnosing network connectivity and performance issues.

• Understanding of network security principles in enterprise environments.

Preferred Skills and Experience

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.

• Intermediate English proficiency required for technical documentation, incident reporting, and communication with global teams

• Familiarity with operational runbooks, documentation standards, and compliance requirements.

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.