2 months ago
Hyderābād, IndiaSenior
Responsibilities
- Design, develop, and improve core digital platform services on z/OS.
- Maintain and advance z/OS operating system environments and core subsystems.
- Monitor and optimize Parallel Sysplex and Coupling Facility configurations for high availability.
- Plan and execute SMP/E-based software installations, maintenance, and complex z/OS upgrades.
- Build observability into systems, monitor production health, resolve incidents, and perform root-cause analysis.
- Provide Level 3 support for mainframe operating system infrastructure and implement permanent solutions.
- Apply automated testing, deployment, and software engineering practices to platform services.
- Make technical decisions, develop architecture and system design proposals, and advise stakeholders and technical leadership.
- Mentor junior engineers and contribute through code reviews, technical presentations, and internal engineering communities.
- Collaborate with global operational teams and specialized mainframe engineering groups.
Requirements
- 10+ years of experience in z/OS systems programming or a similar senior engineering role.
- Deep expertise in z/OS operating system architecture, design, implementation, core 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 z/OS system 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, problem determination, and IBM and non-IBM system management tools.
- Proven Level 3 mainframe infrastructure support experience.
- Ability to write system design and architecture documents and guide technical changes through production.
- Strong communication and presentation skills, with fluent written and spoken English required; German is a plus.
- Ability to work independently, make long-term architectural decisions, identify improvements, and mentor colleagues.
Benefits
- UK shift schedule.
- Equal opportunity employment and recruitment accommodations for candidates with disabilities.
- Global collaboration with teams across locations including Switzerland and the USA.
About Ensono
Ensono provides managed services and consulting for enterprises running mission-critical workloads across mainframe, private, and public clouds. It supports application modernization, cloud migrations, and ongoing operations in AWS, Azure, and Google Cloud through recurring service contracts and advisory projects. Founded in 1969 and headquartered in Downers Grove, Illinois, the company operates globally and is privately held.