Mainframe Infrastructure administration

Job Summary:

We are seeking a skilled and experienced Mainframe Infrastructure Administrator to manage and support our enterprise-level mainframe systems. The ideal candidate will have over 5+ years of experience in mainframe administration, infrastructure management, and system optimization, ensuring maximum performance, reliability, and security.

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).
• Collaborate with application teams, storage, and network teams to ensure system availability and efficiency.
• Maintain system documentation and procedures for audits and compliance.
• Plan and execute hardware/software upgrades and migrations with minimal 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.

Interested candidates can send their updated resume

Job Type: Full-time

Work Location: In person

Expected Start Date: 28/07/2025