Mainframe Infrastructure Administration

4 days ago

Hyderabad Telangana, India Andrew's Group Full time

**Job Summary**:
**Key Responsibilities**:

- Administer and support mainframe infrastructure, including IBM z/OS systems and subsystems.
- Perform system IPLs, backups, disaster recovery planning, and capacity management.
- Manage RACF security, SMP/E installs, PTF maintenance, and system tuning.
- Monitor system performance and resolve infrastructure-related incidents or bottlenecks.
- Implement and manage automation tools for system monitoring and job scheduling (e.g., CA-7, Control-M).
- Maintain system documentation and procedures for audits and compliance.
- Plan and execute hardware/software upgrades and migrations with mínimal downtime.
- Participate in on-call rotation and provide Level 2/3 support for critical incidents.

**Required Skills and Experience**:

- 5+ years of experience in Mainframe infrastructure administration.
- Strong hands-on experience with IBM z/OS, JES2/JES3, VTAM, TCP/IP, SDSF, ISPF, and TSO.
- Experience with mainframe storage management (DASD, Tape) and performance tuning.
- Proficiency in RACF security administration.
- Knowledge of system utilities like DFSMS, SMF, RMF, and other IBM mainframe tools.
- Familiarity with mainframe networking and TCP/IP configuration.
- Experience with DR drills and high availability environments.
- Scripting knowledge (REXX, CLIST, JCL) is a plus.
- Experience with ITIL processes (Incident, Change, Problem Management) is preferred.

**Qualifications**:

- Bachelor’s degree in Computer Science, Information Technology, or related field.
- IBM or other relevant certifications are a plus (e.g., IBM Certified System Programmer, ITIL).

**Soft Skills**:

- Strong analytical and problem-solving abilities.
- Excellent communication and documentation skills.
- Ability to work independently and in a collaborative team environment.
- Capable of handling pressure and managing priorities effectively.

Work Location: In person

Expected Start Date: 28/07/2025

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