Senior z/OS Administrator

4 weeks ago

Bengaluru, India TECEZE Full time
Job Title: Senior z/OS Administrator
Experience Required: 8–10 years
Job Summary:
We are seeking an experienced z/OS Administrator to manage, maintain, and optimize our IBM mainframe environment. The role involves ensuring system availability, performance tuning, security management, and providing technical support for business-critical applications running on z/OS.
Key Responsibilities:
- Administer and support IBM z/OS mainframe systems, including installation, configuration, and maintenance.
- Perform system upgrades, patching, and integration with related subsystems (CICS, DB2, IMS, MQ, RACF, etc.).
- Monitor system performance and implement tuning measures for optimal efficiency.
- Manage system security and access controls (RACF/ACF2/Top Secret).
- Troubleshoot and resolve complex system and infrastructure issues.
- Support disaster recovery planning, testing, and implementation.
- Collaborate with application, network, and storage teams to ensure seamless operations.
- Prepare and maintain system documentation, procedures, and operational standards.
- Provide mentoring and guidance to junior team members.
Required Skills & Qualifications:
- 8–10 years of hands-on experience in IBM z/OS system administration.
- Strong expertise in mainframe subsystems (CICS, DB2, IMS, MQ, etc.).
- In-depth knowledge of security tools (RACF/ACF2/Top Secret).
- Proficiency in JCL, REXX, and automation tools.
- Experience with performance monitoring and capacity planning.
- Familiarity with disaster recovery and high availability environments.
- Strong analytical, problem-solving, and communication skills.
Education:
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent work experience).

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