Ensono

Senior z/OS Systems Programmer

Ensono
Apply
3 days ago
Hyderābād, IndiaSenior

Responsibilities

  • Design, develop, maintain, and improve core z/OS platform services and operating system solutions.
  • Monitor and optimize Parallel Sysplex and Coupling Facility configurations for high availability.
  • Plan and execute z/OS software installations, upgrades, and maintenance using SMP/E.
  • Build observability, monitor production health, resolve incidents, and perform root-cause analysis.
  • Provide Level 3 support for mainframe operating system infrastructure and implement permanent solutions.
  • Make technical decisions, prepare system and architecture documentation, and present solution proposals to stakeholders and leadership.
  • Mentor junior engineers and contribute through code reviews, technical presentations, and internal engineering communities.
  • Collaborate with DB2, CICS, MQ, operational, and global mainframe engineering teams.

Requirements

  • 10+ years of experience in z/OS systems programming or a similar senior engineering role.
  • Expert knowledge of z/OS operating system architecture, design, implementation, components, and subsystems.
  • Comprehensive experience with Geographically Dispersed Parallel Sysplex operations and Coupling Facility management.
  • Hands-on expertise with SMP/E packaging, installation, maintenance, and complex z/OS upgrades; experience through z/OS 3.1 is preferred.
  • Proficiency in REXX, TSO/ISPF, JCL, and other system programming languages; Assembler experience is a plus.
  • Strong knowledge of z/OS performance tuning, system utilities, monitoring, system management tools, and problem determination utilities.
  • Experience providing Level 3 support for mainframe operating system infrastructure.
  • Ability to document system and network designs, manage technical changes, and make long-term architectural decisions.
  • Strong written and spoken English is mandatory; German language skills are a plus.
  • Ability to work independently, communicate complex technical decisions, influence engineering practices, and mentor colleagues.

Benefits

  • UK shift schedule.
  • Equal opportunity employment and recruitment accommodations for candidates with disabilities.

Tech Stack

AWSAzureGoogle CloudIBM DB2

Categories

Ensono

About Ensono

1,001-5,000 employees
Contact me