Systems Administration

Kyndryl Inc.; São Paulo; Remote; BRL 180,000 - 240,000; Full time

Job summary

Kyndryl is seeking an experienced Mainframe Datacom Database Administrator (SME) to join a critical enterprise environment. You will administer CA Datacom/DB databases on IBM z/OS, ensuring high availability, performance, security, and operational stability in large-scale mainframe systems.

The role is fully remote with a hybrid-friendly culture and opportunities to influence modernization and incident response.

Qualifications

• Strong experience as a Mainframe Database Administrator in enterprise production environments.
• Deep expertise with CA Datacom/DB Administration.
• Experience with MUF (Multi-User Facility) management and performance tuning.
• Backup, recovery, disaster recovery, and business continuity implementations.
• Replication technologies, including Change Data Capture (CDC).
• IBM z/OS operating system knowledge; JCL/TSO/ISPF familiarity.

Responsibilities

• Administer CA Datacom/DB databases in large-scale mainframe environments.
• Manage MUF configurations and performance.
• Perform database tuning, capacity planning, and performance analysis.
• Implement and support backup, recovery, DR, and BC processes.
• Manage replication technologies including CDC.
• Monitor health and availability; lead incident resolution.
• Support upgrades, migrations, and modernization initiatives.
• Develop and maintain procedures and technical documentation.
• Collaborate with infra, application, middleware, and development teams.
• Provide technical leadership and mentoring; participate in on-call support.

Skills

Mainframe DBA

CA Datacom/DB

MUF management

DB tuning

Backup & DR

IBM z/OS

JCL/TSO/ISPF

CDC technologies

Problem solving

On-call support

Tools

CDC

Job description

# Professional Careers at Kyndryl## Systems AdministrationApply: Fully Remote: Hortolandia, São Paulo, Brazil: Full time: Posted Today: R-66914**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**# **About the Opportunity** We are looking for an experienced **Mainframe Datacom Database Administrator (SME)** to join a highly critical enterprise environment. This professional will be responsible for the administration, support, optimization, and modernization of **CA Datacom/DB** databases running on **IBM z/OS** platforms, ensuring high availability, performance, security, and operational stability.The ideal candidate will serve as a subject matter expert (SME), providing technical leadership, driving database modernization initiatives, and supporting complex production environments that demand exceptional reliability and performance.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. You’ll also get the chance to share your expertise by recommending modernization options, identifying new business opportunities, and cultivating relationships with other teams and stakeholders. Does the work get challenging at times? Yes! But you’ll collaborate with a diverse group of talented people and gain invaluable management and organizational skills, which will come in handy as you move forward in your career. 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**## Key Responsibilities * Administer, maintain, and support **CA Datacom/DB** databases in large-scale mainframe environments.* Manage and optimize **MUF (Multi-User Facility)** configurations and performance.* Perform database performance analysis, tuning, and capacity planning.* Implement and support backup, recovery, disaster recovery, and business continuity processes.* Manage and troubleshoot replication technologies, including **Change Data Capture (CDC)** solutions.* Monitor database health, availability, and operational metrics.* Lead root cause analysis and resolution of complex database incidents and performance issues.* Support database upgrades, migrations, and modernization initiatives.* Develop and maintain operational procedures, technical documentation, and best practices.* Collaborate with infrastructure, application, middleware, and development teams to support business-critical applications.* Provide technical leadership, mentoring, and guidance to junior team members.* Participate in on-call support and incident management processes when required. ## Required Qualifications * Strong experience as a **Mainframe Database Administrator** supporting enterprise production environments.* Deep expertise with **CA Datacom/DB Administration**.* Strong hands-on experience with: MUF (Multi-User Facility) managementDatabase performance tuning and optimizationBackup and recovery strategiesDatabase replication and CDC technologiesProblem determination and root cause analysis* Solid experience with **IBM z/OS** operating systems.* Knowledge of JCL, TSO/ISPF, SDSF, and other mainframe operational tools.* Experience supporting high-availability and mission-critical environments.* Strong troubleshooting, analytical, and problem-solving skills.* Excellent communication and stakeholder management abilities. ## Preferred Qualifications * Experience with database modernization and migration projects.* Knowledge of automation and monitoring solutions for mainframe environments.* Familiarity with enterprise integration and data replication architectures.* Experience working in global and geographically distributed teams.* Previous experience acting as a technical lead, SME, or escalation point.**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.