Join Barclays as a Technical Specialist Practitioner role, where to build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. At Barclays, we don't just anticipate the future - we're creating it.
Own end-to-end engineering and operational support for IBM Mainframe Storage, including DASD and Tape environments
Design, plan, and execute disk and tape upgrades, technology refreshes, and storage migrations (DASD-to-DASD, Tape-to-Tape)
Manage and enhance storage recovery, disaster recovery readiness, and resilience, including Hyperswap and replication capability
Perform capacity planning, utilisation analysis, growth forecasting, and storage optimisation using SMF, Dcollect, and performance data
Act as senior technical escalation for major storage incidents, driving rapid diagnosis, recovery, root cause analysis, and permanent fixes
Implement and support storage observability and proactive monitoring using OMEGAMON for Storage and related tooling
Support and maintain DFSMS, DFSMShsm, DFSMSdss, DFSMSrmm, SMS constructs, ACS routines, catalog management, and storage housekeeping
Drive service stability through proactive risk reduction, automation, and operational improvements
Produce storage health reports, risk views, capacity insights, and change documentation for stakeholders
Work closely with z/OS, hardware, network, application, and resilience teams to ensure storage services remain secure, compliant, and highly available
10+ years of experience in Mainframe Infrastructure, with strong depth in Mainframe Storage
Extensive hands-on experience with IBM Disk / DASD, including provisioning, configuration, replication, performance troubleshooting, and migration
Strong experience managing IBM Tape platforms and enterprise tape operations
Proven delivery experience with storage upgrades, migrations, recovery testing, and disaster recovery execution
Strong experience with Hyperswap, Metro Mirror, Global Mirror, CSM, and GDPS technologies
Demonstrated capability in capacity planning, performance analysis, and storage forecasting
Hands-on experience with OMEGAMON for Storage for real-time monitoring, alerting, and observability
Experience handling major production incidents in large-scale, high-availability mainframe environments
IBM DS8000 / DASD administration
IBM Tape / VTS / TS7700 technologies
DFSMS, DFSMShsm, DFSMSdss, DFSMSrmm
SMS constructs, ACS routines, ISMF
ICF Catalog, IDCAMS, ICKDSF
Hyperswap, CSM, GDPS, Metro Mirror, Global Mirror
Capacity planning, Dcollect and SMF-based analysis
OMEGAMON for Storage (monitoring, alerting, observability)
z/OS fundamentals including TSO, ISPF, JCL, VSAM, JES2, REXX
Experience in banking, financial services, or regulated environments
Exposure to Brocade FICON / SAN connectivity and remote replication networking
Experience with storage automation, service reliability engineering, and operational simplification
Strong documentation and change implementation experience in production mainframe environments
Able to provide 24x7 on call support
A broad understanding of the business issues facing the Barclays Group as well as having a depth of understanding of a number of business issues and emerging trends in the IT industry
Should maintain a detailed understanding and knowledge of how the Bank’s systems, technical architectures and the nature of the work demand portfolio, so that they are fully aware of the impact of their own work on the Bank.
Good communication skills required, ability to communicate complex concepts to a broad audience
Ability to summarise and deliver key messages efficiently to senior stakeholders
Acts as a key contact point for all project related queries including build, testing and implementation
Leads in the completion of testing for projects and provide technical explanations of findings
Supports less experienced colleagues through the entire project process from testing through to implementation
Able to understand and articulate technical issues to a non-Mainframe/non-technical audience
Provides comprehensive technical verbal updates of project status to team and produce non-technical written updates for project managers and business.
Represents Mainframe area at project meetings and provide any inputs to help plan projects.
Own platform stability and service reliability.
Drive proactive risk identification and mitigation.
Lead technical troubleshooting during critical incidents.
Ensure governance, compliance, and operational excellence.
You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.
This role is based in Chennai office.
To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.
All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.
