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

Job Description

1. Design, configure, and maintain mainframe operating environments, including z / OS, JES2, and z / VM to meet business needs and performance objectives.

2. Implement and maintain mainframe security measures, including RACF (Resource Access Control Facility), access controls, encryption, and compliance with regulatory requirements.

3. Lead mainframe operating system projects and initiatives, such as upgrades, maintenance, system enhancements and operational support from conception to implementation.

4. Collaborate closely with solutions development, infrastructure, architecture, and managed services teams to understand system requirements and provide effective solutions.

5. Optimize mainframe operating system performance, capacity, and resource utilization through proactive monitoring, tuning, and capacity planning.

6. Troubleshoot and resolve complex mainframe operating system issues, collaborating with internal teams, managed services providers, and vendors to ensure timely resolution.

7. Develop and maintain documentation, including system configurations, procedures, and best practices, to facilitate knowledge sharing and compliance with organizational standards.

8. Provide technical guidance and mentorship to junior engineers, fostering a culture of learning and continuous improvement within the IT organization.

9. Stay up to date with new technologies, trends, and best practices in mainframe systems, and proactively recommend and implement relevant updates and improvements.

Qualifications :

1. Bachelor’s degree in computer science, Information Technology, or related experience.

2. Extensive experience (10+ years) in designing, implementing, and maintaining the mainframe computing platform including Parallel Sysplex, z / OS, JES2, and z / VM.

3. Strong knowledge of mainframe security concepts and tools, including RACF (Resource Access Control Facility) and access controls.

4. Demonstrated ability to design, build, and support Parallel Sysplex application enablement.

5. Experience providing technical leadership for managed service providers and offshore support teams.

6. Proficiency in mainframe performance monitoring, tuning, and optimization using tools like SMF, RMF, BMC AMI OPS, and IBM Intellimagic Vision.

7. Excellent problem-solving skills and the ability to troubleshoot and analyze complex issues.

8. Effective communication and collaboration skills, with the ability to convey technical concepts to both technical and non-technical stakeholders.

9. 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.