Senior Mainframe CICS Support, Systems Administration

Kyndryl; United States; Hybrid; USD 120,000 - 180,000; Full time

Job summary

Kyndryl in the United States is seeking a Mainframe CICS Support System Administrator to ensure the availability and performance of critical transaction processing on z/OS across a 24x7 environment.

You will install, configure, and tune CICS, work with multiple teams, and drive incident resolution and change controls. This role offers a hybrid-friendly culture with growth opportunities, learning, and hands-on experience in enterprise systems.

Qualifications

• 5+ years hands-on experience supporting IBM CICS Transaction Server on z/OS.
• Deep knowledge of CICS architecture, region management, and initialization.
• Strong production troubleshooting with dumps, traces, logs, and RCA.
• Experience with change, incident, and problem management in high availability environments.

Responsibilities

• Install, configure, and manage IBM CICS software and resources on z/OS.
• Monitor CICS regions, tune performance, and balance workloads for high availability.
• Troubleshoot incidents using dumps, traces, and RCA to identify root causes.
• Support application teams with CICS deployments and coordinate with related teams.
• Oversee change controls, DR testing, audits, on-call rotations, and automation tasks.

Skills

CICS expertise

z/OS knowledge

Performance tuning

Incident resolution

Root cause analysis

Education

Bachelor's degree in CS or related field

Tools

IBM OMEGAMON

CICS PA

MainView

Sysview

RACF

Job description

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

The Mainframe CICS Support System Adminstrator role ensures the availability, stability, performance, and resiliency of mission‑critical transaction processing systems supporting enterprise business operations. The position requires strong technical expertise in CICS infrastructure, problem determination, performance tuning, incident resolution, and change implementation within a complex 24x7 mainframe environment.

Responsibilities

• Administration: Install, configure, upgrade, and manage IBM CICS software, startup procedures, and resource definitions on z/OS.
• Performance & Monitoring: Continuously monitor CICS regions, tune performance, and balance workloads to ensure high availability.
• Troubleshooting & Analysis: Resolve incidents and service outages using CICS dumps, traces, logs, and root cause analysis (RCA).
• Application & Team Support: Assist application teams with CICS deployments and collaborate with z/OS, DB2, MQ, Storage, Network, and Security teams.
• Operations & Compliance: Manage change controls, documentation, disaster recovery testing, audit compliance, on-call rotations, and task automation.

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 Hyperscalers 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 Technical and Professional Expertise

• Experience & Mainframe Core: 5+ years of hands‑on experience supporting IBM CICS Transaction Server environments along with a strong foundation in z/OS operating systems.
• Architecture & System Configuration: In‑depth knowledge of CICS architecture, region management, RDO, SIT parameters, and system initialization processes.
• Production Troubleshooting & Analysis: Strong problem‑resolution skills with hands‑on experience analyzing CICS dumps, traces, logs, and performance metrics in high‑volume production environments.
• Operational Processes: Practical experience with change, incident, and problem management frameworks in high-availability systems.

Preferred Technical and Professional Experience

• Bachelor's degree in computer science or a related field.
• Experience with CICS Transaction Server version upgrades, migrations, CICSplex SM, CPSM, and dynamic workload routing.
• Expertise in monitoring, tuning, and troubleshooting CICS performance using tools like IBM OMEGAMON, CICS PA, MainView, or Sysview.
• Working knowledge of related middleware technologies (DB2, MQ, IMS) and mainframe security administration using RACF.
• Hands‑on experience with disaster recovery execution, automated scripting, ITIL processes, and supporting 24x7 globally distributed production environments.

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-its 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.