Senior Infrastructure Specialist – Mainframe Db2 DBA

Lloyds Banking Group

. Deliver highly advanced and sophisticated technical support for mainframe Db2 and associated processes, tools, and utilities .

Posted 9/29/2026full-timeEdinburgh • United KingdomSenior💰 £72,702 - £80,780 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in Db2 on z/OS, focusing on performance monitoring, optimization, and governance. Proven ability to lead complex technical support initiatives and drive strategic improvements in mainframe environments.

Highest-signal resume keywords

Db2 On z/OS ExpertisePerformance Monitoring And OptimisationDDL Change GovernanceIncident And Problem ResolutionTeam Leadership And Coaching

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Db2 Performance TuningSQL TuningBuffer Pool TuningSchema EvolutionChange-Control ProcessesTechnical SupportMainframe EnvironmentsIncident ResolutionProblem ResolutionProcess Improvement

Soft Skills

CommunicationCollaborationCoaching

Industry Keywords

Financial OrganisationMainframe DevelopmentGovernanceService StabilityService Availability

Tech Stack

Tools & technologies

SQL

About the role

Key responsibilities & impact

Deliver highly advanced and sophisticated technical support for mainframe Db2 and associated processes, tools, and utilities
Run and maintain services according to Group standards, policies, and agreed service levels
Assist with investment-funded work within mainframe environments, including out-of-hours support
Provide technical support, including incident and problem resolution for systems and processes in complex environments
Support complex mainframe environments to tight timescales
Help drive strategy and design across the mainframe development and test estate
Own and drive the zDBA technology roadmap with stakeholders
Implement standardisation and improvement initiatives
Collaborate across Lab and Platform teams to develop, promote, and implement process initiatives
Ensure rigorous adherence to processes, governance, and procedures

Requirements

What you’ll need

Extensive in-depth expertise and knowledge of Db2 on z/OS
Expert-level experience of Db2 performance monitoring and optimisation, including SQL tuning and buffer pool tuning
Ability to make targeted recommendations to improve service stability and availability
Expert-level experience governing and approving DDL changes, handling schema evolution, validating impact, and aligning with change-control processes
Extensive experience leading resolution and troubleshooting of critical online systems
Proven experience communicating and translating complex technical concepts for Senior Leadership
Experience supporting junior team members and coaching on Db2 fundamentals, performance tuning, utilities, and operational processes
10+ years of experience as a z/OS Db2 DBA in a financial organisation

Benefits

Comp & perks

Flexible working options: Hybrid Working, Job Share
Pension contribution of up to 15%
Annual performance-related bonus
Share schemes including free shares
Benefits adaptable to lifestyle, such as discounted shopping
30 days’ holiday, with bank holidays on top
Wellbeing initiatives
Generous parental leave policies
Reasonable workplace adjustments, including flexibility in office attendance, location and working patterns
Professional learning, growth and development opportunities