Cognizant is seeking a Mainframe z/OS specialist for a full-time remote opportunity. Qualified candidates must be in located in the US. Cognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring employer sponsorship, now or at any time in the future.
The Mainframe z/OS Support professional is responsible for providing operational, administrative, and production support for IBM z/OS mainframe systems. The role ensures system stability, availability, performance, and compliance while supporting business‑critical batch and online workloads in an enterprise environment.
Responsibilities:
Mainframe z/OS Operations & Support
- Provide L2/L3 support for IBM z/OS systems.
- Monitor system health, availability, and performance.
- Handle system alerts, production incidents, abends, and outages.
- Troubleshoot z/OS system issues and perform root cause analysis (RCA).
System Administration & Maintenance
- Support and administer z/OS components including:
- JES2 / JES3
- TSO / ISPF
Batch & Workload Management
- Monitor batch job processing and resolve failures.
- Support workload scheduling tools (e.g., CA‑7, Control‑M, OPC/TWS).
- Analyze JCL errors and correct execution issues.
- Coordinate with application teams for job and system dependencies.
- Ensure systems comply with security, audit, and regulatory requirements.
- Participate in major incident bridges and post‑incident reviews.
- Ensure SLA compliance and proper documentation.
- Provide call and after‑hours production support as required.
Qualifications:
Technical Skills
- Strong experience with IBM z/OS
- Hands‑on knowledge of:
- TSO/ISPF, SDSF
- JCL and batch processing
- JES2/JES3
- SMF/RMF analysis
Soft Skills
- Strong analytical and troubleshooting skills.
- Good communication and coordination abilities
Experience Level
- 4 –6 years, depending on role level (L2/L3)
At Cognizant, we are eager to meet people who believe in our mission and can make an impact in various ways! We strongly encourage you to apply even if you only meet the required skills listed. Consider what transferable experience and skills make you an outstanding applicant and help us see how you would be helpful in this role.
At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs.
Based on this role’s business requirements, this is a remote position. The salary range for this role is between $79,000 and $92,000 will be determined by the skills and experience level of the candidate. Applications will be accepted till 5/5/2026. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
La Comunidad Cognizant:
Somos un equipo que se aprecia y apoya mutuamente. Nuestros asociados trabajan en un entorno colaborativo e integrador en el que todos pueden prosperar.
- Cognizant es una comunidad global con más de 300.000+ asociados en todo el mundo.
- No solo soñamos con un mundo mejor, sino que trabajamos para hacerlo realidad.
- Cuidamos de nuestros asociados, clientes, socios, comunidades y entorno haciendo lo correcto.
- Fomentamos un entorno innovador en el que puedes desarrollar tu carrera profesional.
Acerca de nosotros
Cognizant (NASDAQ: CTSH) es arquitecto de soluciones de IA y proveedor de servicios tecnológicos que traduce la inversión en inteligencia artificial en valor empresarial real mediante soluciones de IA de stack completo adaptadas a cada cliente. Su profundo conocimiento de la industria, los procesos y la ingeniería le permite integrar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan un impacto real en el negocio y mantienen a las grandes empresas globales un paso adelante en un mundo en constante cambio. Para más información, visita www.cognizant.es o síguenos en @cognizant.
Cognizant es un empleador que ofrece igualdad de oportunidades. Tu solicitud y candidatura no serán consideradas en base a raza, color, sexo, religión, credo, orientación sexual, identidad de género, origen nacional, discapacidad, información genética, embarazo, condición de veterano o cualquier otra característica protegida por las leyes federales, estatales o locales.
Advertencia:
La información sobre remuneración es exacta a la fecha de esta publicación. Cognizant se reserva el derecho a modificar esta información en cualquier momento, sujeto a la legislación aplicable.Es posible que los candidatos deban asistir a entrevistas en persona o por videoconferencia e, incluso, que tengan presentar su documento de identidad vigente, durante cada entrevista.