Mainframe

Joinimagine; United States; Hybrid; USD 90,000 - 130,000; Full time

Job summary

Kyndryl is looking for a Mainframe Administrator to administer and operate IBM Z environments, ensuring availability, stability, and performance of critical infrastructure. You will respond to incidents, changes, and maintenance tasks, and work with cross‑functional teams to uphold service levels.

The role involves managing batch jobs, RACF security basics, and continuous improvement of operational procedures while documenting workflows for audits and training.

Qualifications

• 3–5 years of experience administering IBM Z environments.
• Solid understanding of z/OS components and system health monitoring.
• Familiarity with ITIL incident, change, and problem management processes.

Responsibilities

• Administer and operate IBM Z environments and z/OS operating system.
• Monitor platform health and performance of the Mainframe.
• Manage batch jobs, job execution, and error analysis using JCL.
• Handle incidents, requests, and infrastructure changes under ITIL guidelines.
• Configure user access and basic security controls with RACF.
• Perform maintenance, validation, and operational support activities.
• Analyze capacity, availability, and performance of the platform.
• Participate in continuity, backup, and recovery activities.
• Create and maintain technical documentation and procedures.
• Escalate high-complexity issues to specialist teams when needed.

Skills

IBM Z administration

Mainframe monitoring

JCL knowledge

Tools

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

Responsabilidades Principales

• Administrar y operar entornos IBM Z y sistema operativo z/OS.
• Realizar monitoreo y seguimiento de la salud de la plataforma Mainframe.
• Gestionar procesos batch, ejecución de jobs y análisis de errores en JCL.
• Atender incidentes, requerimientos y cambios de infraestructura bajo procesos ITIL.
• Administrar usuarios y controles básicos de seguridad mediante RACF.
• Ejecutar actividades de mantenimiento, validación y soporte operativo.
• Realizar análisis de capacidad, disponibilidad y desempeño de la plataforma.
• Participar en actividades de continuidad, respaldo y recuperación.
• Elaborar y mantener documentación técnica y procedimientos operativos.
• Escalar oportunamente situaciones de alta complejidad a equipos especializados.

Requisitos Técnicos

• Entre 3 y 5 años de experiencia en administración de entornos IBM Z.

Certificaciones Deseables

• IBM Certified Associate System Administrator - z/OS.
• IBM Z Xplore Digital Credentials.
• IBM Mainframe Practitioner.
• ITIL Foundation.

Competencias

• Capacidad analítica y resolución de problemas.
• Orientación al cliente y cumplimiento de SLA.
• Trabajo bajo presión en ambientes críticos.
• Comunicación efectiva.
• Disciplina operativa y orientación a procesos.
• Trabajo colaborativo con equipos multidisciplinarios.

Who You Are

Administrar, operar y soportar plataformas IBM Z (Mainframe), garantizando la disponibilidad, estabilidad, rendimiento y continuidad de los servicios críticos de infraestructura. Participar en la atención de incidentes, requerimientos, cambios y actividades de mantenimiento sobre entornos z/OS.

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.