Mainframe Systems Administrator

3 days ago

Anywhere in IndiaMultiple Locations Coders Brain Technology Private Limited Full time
Mainframe Administrator and Support Specialist

Coders Brain Technology Private Limited is a global leader in its services, digital, and business solutions that partners with its clients to simplify, strengthen, and transform their businesses. We ensure the highest levels of certainty and satisfaction through a deep-set commitment to our clients, comprehensive industry expertise, and a global network of innovation and delivery centers.

Job Overview

We are seeking an experienced Mainframe Administrator and Support Specialist with expertise in z/OS, Storage, and Scheduling. The ideal candidate will be responsible for maintaining the stability, security, and efficiency of our mainframe environment across multiple locations in India. This role requires hands-on experience in managing and supporting mainframe systems, ensuring high availability, and optimizing system performance.

Key Responsibilities
  • Mainframe Administration:
    • Install, configure, and maintain the IBM z/OS operating system and related mainframe software.
    • Manage and monitor system performance, ensuring optimal operation and availability.
    • Perform system upgrades, patches, and maintenance to keep the environment secure and up-to-date.
    • Troubleshoot and resolve system issues, providing root cause analysis and implementing preventive measures.
  • Storage Management:
    • Administer and manage mainframe storage resources, including DASD, tape libraries, and virtual storage systems.
    • Monitor storage utilization and plan for capacity upgrades as needed.
    • Implement storage management policies and best practices to optimize storage performance and efficiency.
    • Perform backup and recovery operations, ensuring data integrity and availability.
  • Scheduler Management:
    • Manage and maintain mainframe scheduling tools (e.g., CA-7, Control-M) to ensure timely execution of batch jobs.
    • Create, modify, and monitor job schedules, ensuring alignment with business requirements.
    • Troubleshoot job failures and work with application teams to resolve scheduling conflicts and dependencies.
    • Provide support for ad-hoc job requests and implement changes in the scheduling environment.
  • Support & Incident Management:
    • Provide 24/7 on-call support for mainframe systems, responding to and resolving incidents in a timely manner.
    • Work closely with other IT teams to support disaster recovery and business continuity plans.
    • Maintain documentation of system configurations, procedures, and incident reports.
  • Security & Compliance:
    • Ensure the mainframe environment adheres to security policies and regulatory compliance requirements.
    • Monitor and manage access controls, auditing, and encryption standards.
    • Perform regular security assessments and vulnerability scans, implementing corrective actions as necessary.
  • Collaboration & Communication:
    • Collaborate with cross-functional teams, including network, application, and database administrators, to ensure integrated and reliable operations.
    • Communicate effectively with stakeholders, providing updates on system status, project progress, and incident resolution.
Required Skills & Qualifications

Technical Expertise:

  • Strong experience with IBM z/OS and related mainframe technologies.
  • Proficiency in mainframe storage management, including DASD, tape, and virtual storage systems.
  • Expertise in mainframe scheduling tools such as CA-7, Control-M, or similar.
  • Solid understanding of mainframe security practices, including RACF, ACF2, or Top Secret.
  • Knowledge of scripting and automation tools (e.g., REXX, JCL, CLIST).

Experience:

  • Minimum 5 years of hands-on experience in mainframe administration and support.
  • Proven track record of managing complex mainframe environments, including troubleshooting and performance tuning.
  • Experience with disaster recovery planning and execution in a mainframe environment.

Soft Skills:

  • Strong analytical and problem-solving skills.
  • Excellent communication and interpersonal skills.
  • Ability to work independently and as part of a team in a fast-paced environment.
  • Flexibility to adapt to changing priorities and handle multiple tasks simultaneously.

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