Job Title:  T&T- EAID- Engineering-Senior Consultant | Mainframe | Bengaluru |

The Team

Deloitte’s Technology & Transformation practice can help you uncover and unlock the value buried deep inside vast amounts of data. Our global network provides strategic guidance and implementation services to help companies manage data from disparate sources and convert it into accurate, actionable information that can support fact-driven decision-making and generate an insight-driven advantage. Our practice addresses the continuum of opportunities in business intelligence & visualization, data management, performance management and next-generation analytics and technologies, including big data, cloud, cognitive and machine learning.         

Your Work Profile

The z/OS Systems Programmer (Senior Consultant) is responsible for the installation, configuration, maintenance, and optimization of IBM z/OS mainframe operating systems and associated ISV products.

This role involves ensuring the smooth operation of enterprise mainframe environments through system upgrades, production support, performance monitoring, and environment configuration.

You will work independently or within a team to manage system-level engineering activities, including deployment planning, testing, troubleshooting, and ensuring system availability and stability.

Key Responsibilities

z/OS Systems Engineering

• Install, upgrade, maintain, and support the z/OS operating system
• Manage and support ISV products (primarily IBM and CA Technologies)
• Ensure system stability, availability, and performance of mainframe environments

Production Support & Operations

• Provide production support for mainframe systems
• Participate in incident resolution and problem determination
• Support system recovery, troubleshooting, and environment stabilization

System Configuration & Deployment

• Plan, configure, deploy, and test system changes and upgrades
• Support software installation using SMP/E and related tools
• Ensure controlled and secure system changes in production environments

Technical Analysis & Problem Solving

• Perform root cause analysis for system-level issues
• Troubleshoot issues across z/OS, JCL, TSO/ISPF, USS, SDSF environments
• Ensure permanent fixes for recurring system problems

Change & Release Support

• Provide off-hours support for system upgrades and releases
• Participate in on-call rotation for critical system support
• Support software change implementation and deployment activities

Documentation & Communication

• Create and maintain technical documentation for system processes
• Communicate effectively with cross-functional teams and stakeholders
• Ensure complex technical issues are clearly articulated

Required Experience

• Bachelor’s degree in Computer Science, Engineering, or related field
• 6+ years of experience in z/OS Systems Programming
• Strong experience in mainframe system-level engineering and support
• Experience in production support and enterprise system environments

Key Skills (Must-Have)

• Strong expertise in z/OS systems programming
• Experience with:
• SMP/E
• TSO/ISPF
• USS (Unix System Services)
• SDSF
• JCL
• Experience with IBM and CA mainframe products
• Strong problem determination and debugging skills
• Ability to work independently in complex environments
• Experience supporting system upgrades and maintenance activities

Behavioral & Core Competencies

• Strong problem-solving and analytical thinking skills
• Ability to manage multiple system-level tasks
• Strong teamwork and collaboration mindset
• Ability to build trusted relationships across teams
• Excellent communication skills (written and verbal)
• Strong risk awareness and compliance understanding
• Ability to deliver under pressure in production environments

Additional / Preferred Skills

• Assembler programming knowledge
• Automation tools and scripting (Rexx, CLIST)
• GDPS (Geographically Dispersed Parallel Sysplex)
• Performance monitoring tools:
• OMEGAMON
• RMF
• SMF
• SAS
• Security administration (Top Secret)
• Experience in system performance tuning and optimization

Success Metrics

• Stable and highly available z/OS environments
• Successful execution of system upgrades and migrations
• Minimal production incidents and downtime
• Effective resolution of system-level issues
• High performance and optimized mainframe systems
• Reliable participation in on-call support operations

Educational Qualifications

• Bachelor’s degree in Computer Science, IT, Engineering, or related discipline

Location and Way of Working

• Role: z/OS Systems Programmer
• Designation: Senior Consultant
• Experience: 6+ years
• Location: Not specified (assumed client/project dependent)