Senior z/OS Operating System Engineer (z/OS, RACF)

Job Title: Senior z/OS Operating System Engineer (z/OS, RACF)

Location: Pune

Work Mode: On site - full time

Experience: 10+ years

Job Overview:

We are seeking a highly experienced z/OS Operating System Engineer to join our team. The ideal candidate will have a strong background in designing, deploying, maintaining, and optimizing the z/OS platform including subsystems, coupling facility structures and infrastructure software.You will collaborate with cross-functional teams, provide technical leadership, and drive initiatives to enhance the performance, reliability, and security of our mainframe platform.

Responsibilities:

• Design, configure, and maintain mainframe operating environments, including z/OS, JES2, and z/VM to meet business needs and performance objectives.
• Implement and maintain mainframe security measures, including RACF (Resource Access Control Facility), access controls, encryption, and compliance with regulatory requirements.
• Lead mainframe operating system projects and initiatives, such as upgrades, maintenance, system enhancements and operational support from conception to implementation.
• Collaborate closely with solutions development, infrastructure, architecture, and managed services teams to understand system requirements and provide effective solutions.
• Optimize mainframe operating system performance, capacity, and resource utilization through proactive monitoring, tuning, and capacity planning.
• Troubleshoot and resolve complex mainframe operating system issues, collaborating with internal teams, managed services providers, and vendors to ensure timely resolution.
• Develop and maintain documentation, including system configurations, procedures, and best practices, to facilitate knowledge sharing and compliance with organizational standards.
• Provide technical guidance and mentorship to junior engineers, fostering a culture of learning and continuous improvement within the IT organization.
• Stay up to date with new technologies, trends, and best practices in mainframe systems, and proactively recommend and implement relevant updates and improvements.

Qualifications:

• Bachelor’s degree in computer science, Information Technology, or related experience.
• Extensive experience (10+ years) in designing, implementing, and maintaining the mainframe computing platform including Parallel Sysplex, z/OS, JES2, and z/VM.
• Strong knowledge of mainframe security concepts and tools, including RACF (Resource Access Control Facility) and access controls.
• Demonstrated ability to design, build, and support Parallel Sysplex application enablement.
• Experience providing technical leadership for managed service providers and offshore support teams.
• Proficiency in mainframe performance monitoring, tuning, and optimization using tools like SMF, RMF, BMC AMI OPS, and IBM Intellimagic Vision.
• Excellent problem-solving skills and the ability to troubleshoot and analyze complex issues.
• Effective communication and collaboration skills, with the ability to convey technical concepts to both technical and non-technical stakeholders.
• Proven leadership abilities, including experience leading technical projects and mentoring junior team members.

Additional Requirements:

• Certifications in relevant technologies are a plus.
• Ability to work independently and collaboratively in a fast-paced, dynamic environment.
• Willingness to stay updated on emerging technologies and industry trends.
• Availability for occasional off-hours support as needed.