Mainframe z/OS Network Host Support

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

As a Mainframe z/OS Network Host Support at Kyndryl, you'll solve complex problems and identify potential future issues across the spectrum of platforms and services. You'll be at the forefront of new technology and modernization, working with some of our biggest clients - which means some of the biggest in the world.

Responsibilites:

• Install, configure, and maintain mainframe network components: TCP/IP, NET/VTAM, CLS, NDM.
• Perform performance tuning and troubleshooting for network systems.
• Participate in on-call support rotation for critical incidents.
• Configure and monitor security settings for mainframe network systems.
• Manage change and incident processes using ServiceNow.
• Ensure compliance with enterprise-level environmental standards.
• Communicate effectively with stakeholders in English (verbal and written).

Your Future at Kyndryl

Every position at Kyndryl offers a way forward to grow your career. We have opportunities that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. 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:

• Specialization in installing and maintaining Mainframe Network for z/OS.
• Responsible for VTAM, TCP/IP, SNA protocols, file transfer protocols, incident and change planning.
• Excellent English communication skills (verbal and written).
• Bachelor's Degree in Computer Science, Information Technology, or related field.
• Strong knowledge of z/OS Network products, including:

COMM SERVER BASE SUPPORT (TCP/IP and VTAM)

VTAM APPN

OMPROUTE - OSPF and Static Routing

TCP/IP stack on LPAR

Encrypted FTP - SSL/TLS

AT/TLS including PAGENT

IPSec/VPN including PAGENT and IKED

TCP/IP - Enterprise Extender

TCP/IP - Dynamic VIPA and Sysplex Distributor

TCP/IP - TN3270 servers

Preferred Skills and Experience:

• Experience with Connect:Direct for Mainframe.
• Knowledge of RACF, CL SuperSession, IBM NetView, Access/Multisess Services, IBM Session Manager.
• Optional skills in CICS and MQ.

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.

Client-provided location(s): Flexible / Remote, Hortolândia, Brazil

Job ID: Kyndryl-R-52439

Employment Type: FULL_TIME

Posted: 2025-11-28T18:32:55