Senior System Programmer

2 weeks ago


Boston, United States The Brixton Group, Inc. Full time

Position Type: Contract

Location: 100% Remote


In this role, you will be responsible for overseeing the design, configuration, implementation, maintenance, and optimization of z/OS, JES2, RACF, z/VM, zLinux and related systems.

Responsibilities:

  • Design, configure, and maintain mainframe operating systems, including IBM z/OS, JES2, z/VM, and zLinux, 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.
  • 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 and vendors to ensure timely resolution.
  • Plan and execute mainframe operating system upgrades, maintenance, and migrations, ensuring minimal disruption to business operations.
  • Develop and maintain documentation, including system configurations, procedures, and best practices, to facilitate knowledge sharing and compliance with organizational standards.
  • Lead mainframe operating system-related projects, such as system enhancements, automation initiatives, and disaster recovery planning, from conception to implementation.


Requirements:

  • Extensive experience (10+ years) in designing, implementing, and supporting mainframe operating systems, including IBM z/OS, z/VM, and zLinux.
  • Strong knowledge of mainframe security concepts and tools, including RACF (Resource Access Control Facility) and access controls.
  • Experience with managed service providers, off shore support teams, RACF passphrase implementation, and data center relocation are a plus.
  • Proficiency in mainframe performance monitoring, tuning, and optimization using tools like SMF, RMF, Omegamon, SysView, and Workload Manager (WLM).
  • Experience with Linux operating system administration, particularly on IBM Systems z architecture (zLinux).
  • Relevant certifications, such as IBM Certified System Programmer or IBM Certified Advanced Technical Expert, are a plus.


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