1 to 25 of 326 Performance Tuning Jobs

Oracle DBA

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£365 per day
maintain, and optimize mission-critical Oracle database environments. The ideal candidate will possess strong expertise in Oracle RAC (Real Application Clusters), Oracle Data Guard, Performance Tuning & Optimization, and RMAN (Backup & Recovery), ensuring high availability, disaster recovery readiness, optimal performance, and operational excellence across enterprise database platforms.The successful … physical and logical standby databases, switchover, and failover activities.*Perform proactive database monitoring and troubleshooting to maintain system health, availability, and performance.*Lead database performance tuning initiatives by analyzing SQL execution plans, optimizing queries, and identifying system bottlenecks.*Monitor database resource utilization and recommend improvements to enhance performance ...

Senior Azure SQL Server Database Administrator

Hiring Organisation
PFH Technology Group
Location
England, United Kingdom
Azure cloud technologies, and support for ArcGIS Enterprise environments. This role is ideal for professionals who excel in SQL Server administration, cloud integration, database performance optimization, and geospatial data management. The successful candidate will work on SQL Server initiatives including high availability, performance tuning, monitoring, deployment configurations … premises and Azure environments. • Design and implement High Availability solutions including Always On Availability Groups, Failover Clustering, and Azure Geo-Replication. • Perform database performance tuning using DMVs, Query Store, Extended Events, and Database Tuning Advisor. • Manage SQL Server Agent jobs, linked servers, and Database Mail. • Oversee database ...

Senior Platforms Engineer, Digital Workplace & AI

Hiring Organisation
Marathon Petroleum
Location
Marion, Ohio, United States
Employment Type
Permanent
Salary
USD Annual
value and usage reports, presenting productivity improvements, risk assessments, and cost optimization metrics to leadership and business stakeholders. This role leads advanced troubleshooting, performance tuning, and technical support activities, serving as the primary escalation point for complex issues and collaborating across teams to drive continuous improvement. The Senior … competency, and skill level. Actual position title and pay grade will be based on the selected candidate's experience and qualifications. Key Responsibilities Identifies performance bottlenecks, conducts root cause analysis, and proposes and implements solutions to enhance platform & system performance and resource utilization. Establishes performance benchmarks, conducts ...

Senior Platforms Engineer, Digital Workplace & AI

Hiring Organisation
Marathon Petroleum
Location
Ottawa Lake, Michigan, United States
Employment Type
Permanent
Salary
USD Annual
value and usage reports, presenting productivity improvements, risk assessments, and cost optimization metrics to leadership and business stakeholders. This role leads advanced troubleshooting, performance tuning, and technical support activities, serving as the primary escalation point for complex issues and collaborating across teams to drive continuous improvement. The Senior … competency, and skill level. Actual position title and pay grade will be based on the selected candidate's experience and qualifications. Key Responsibilities Identifies performance bottlenecks, conducts root cause analysis, and proposes and implements solutions to enhance platform & system performance and resource utilization. Establishes performance benchmarks, conducts ...

Senior Site Reliability Engineer, Performance Engineering

Hiring Organisation
Mastercard
Location
O Fallon, Missouri, United States
Employment Type
Permanent
Salary
USD Annual
unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer, Performance Engineering Payment Optimization unifies multiple Mastercard capabilities to improve transaction success, reduce avoidable declines, and simplify issuer, acquirer … driven optimization intelligence, and executes time-critical optimization actions while maintaining clear domain ownership and scalable boundaries. We build products for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scale our suite of services. This role supports Automatic Billing Updater ...

Database Administrator

Hiring Organisation
eTeam
Location
London Area, United Kingdom
resilience, and recovery of critical database platforms. The successful candidate will be a hands-on technical expert, actively involved in architecture decisions, database design, performance tuning, data reconciliation, and operational support. Key Responsibilities Lead the architecture, design, and implementation of enterprise database solutions on AWS. Design and maintain … Define, implement, and test backup, recovery, failover, and disaster recovery processes. Actively participate in architecture reviews, technical governance, and design authority decisions. Optimise database performance through query tuning, execution plan analysis, indexing, and configuration improvements. Provide hands-on troubleshooting and resolution of complex production issues. Perform data reconciliation ...

Database Administrator

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £565/day
resilience, and recovery of critical database platforms. The successful candidate will be a hands-on technical expert, actively involved in architecture decisions, database design, performance tuning, data reconciliation, and operational support. Key Responsibilities Lead the architecture, design, and implementation of enterprise database solutions on AWS. Design and maintain … Define, implement, and test backup, recovery, failover, and disaster recovery processes. Actively participate in architecture reviews, technical governance, and design authority decisions. Optimise database performance through query tuning, execution plan analysis, indexing, and configuration improvements. Provide hands-on troubleshooting and resolution of complex production issues. Perform data reconciliation ...

Mainframe CICS Administrator

Hiring Organisation
TESTQ Technologies
Location
Sheffield, England, United Kingdom
Experience 5 to 7 Primary Skills CICS Administration CICS Transaction Server CICSplex System Manager Mainframe Support zOS JCL Omegamon Sysview CICS Performance Tuning Production Support Secondary Skills zCEE CICS PA CAFC JVM Servers CICS SSL CMAS MRO SNA ServiceNow BMC Remedy DataPower WAS Java Integration Disaster Recovery Assembler … support CICS Web Services CICSplex System Manager JVM Servers and related components Monitor and administer CICS environments to ensure service availability and operational performance Perform performance analysis tuning and capacity optimization activities Identify and resolve performance bottlenecks and infrastructure issues Support CICS architecture connectivity and security ...

Principal Engineer

Hiring Organisation
TEKsystems
Location
Birmingham, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
platform architectures, overseeing operations and ensuring appropriate governance and compliance. Apply strong distributed systems and networking fundamentals to build resilient, fault-tolerant, and high-performance platforms. Conduct performance tuning and capacity planning to ensure platforms meet current and future demands. Promote and implement an automation-first approach … cluster operations, upgrades, networking, multi-tenancy, and policy), and event streaming platforms (architecture, operations, governance). Solid engineering fundamentals in distributed systems, networking concepts, performance tuning, fault tolerance, and capacity planning. Demonstrated automation mindset with practical experience in Infrastructure as Code. experience with CI/CD practices ...

Principal Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
platform architectures, overseeing operations and ensuring appropriate governance and compliance. Apply strong distributed systems and networking fundamentals to build resilient, fault-tolerant, and high-performance platforms. Conduct performance tuning and capacity planning to ensure platforms meet current and future demands. Promote and implement an automation-first approach … cluster operations, upgrades, networking, multi-tenancy, and policy), and event streaming platforms (architecture, operations, governance). Solid engineering fundamentals in distributed systems, networking concepts, performance tuning, fault tolerance, and capacity planning. Demonstrated automation mindset with practical experience in Infrastructure as Code. experience with CI/CD practices ...

Senior SQL Server DBA

Hiring Organisation
Computer Futures
Location
Coventry, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
occasional UK travel required when needed. The position would suit someone who combines strong SQL Server database administration experience with advanced T-SQL development , performance tuning, automation, and troubleshooting skills. You will be responsible for supporting, maintaining, and improving SQL Server environments to ensure high levels of performance … responsibilities You will administer and maintain SQL Server environments, with a particular focus on SQL Server 2022 . This will include monitoring database performance, identifying bottlenecks, analysing execution plans, and implementing tuning improvements across business-critical systems. A key part of the role will involve writing, optimising ...

Senior Azure Data Engineer - Managed Services

Hiring Organisation
Hippo Digital
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 60 K
troubleshoot, and proactively resolve data pipeline issues across multiple client environments.Design and implement robust CI/CD practices for data workflows and deployments.Lead on performance tuning, data optimisation, and platform reliability improvements.Collaborate with stakeholders to gather requirements, deliver updates, and translate complex data issues into clear actions.Maintain strong … needEssential Experience Proven experience as a Data Engineer supporting production data pipelines and platforms.Strong knowledge of T-SQL and SQL Server with experience in performance tuning and query optimisation.Experience with scripting languages such as Python for automation.Hands-on experience with Microsoft Fabric and Azure Data Factory, including pipeline ...

Senior Azure Data Engineer - Managed Services

Hiring Organisation
Hippo Digital
Location
Leeds, West Yorkshire, United Kingdom
Salary
£ 60 K
troubleshoot, and proactively resolve data pipeline issues across multiple client environments.Design and implement robust CI/CD practices for data workflows and deployments.Lead on performance tuning, data optimisation, and platform reliability improvements.Collaborate with stakeholders to gather requirements, deliver updates, and translate complex data issues into clear actions.Maintain strong … needEssential Experience Proven experience as a Data Engineer supporting production data pipelines and platforms.Strong knowledge of T-SQL and SQL Server with experience in performance tuning and query optimisation.Experience with scripting languages such as Python for automation.Hands-on experience with Microsoft Fabric and Azure Data Factory, including pipeline ...

Senior Azure Data Engineer - Managed Services

Hiring Organisation
Hippo Digital
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 60 K
troubleshoot, and proactively resolve data pipeline issues across multiple client environments.Design and implement robust CI/CD practices for data workflows and deployments.Lead on performance tuning, data optimisation, and platform reliability improvements.Collaborate with stakeholders to gather requirements, deliver updates, and translate complex data issues into clear actions.Maintain strong … needEssential Experience Proven experience as a Data Engineer supporting production data pipelines and platforms.Strong knowledge of T-SQL and SQL Server with experience in performance tuning and query optimisation.Experience with scripting languages such as Python for automation.Hands-on experience with Microsoft Fabric and Azure Data Factory, including pipeline ...

Senior ETF Engineer, Investment Technology

Hiring Organisation
Invesco
Location
Greater London, United Kingdom
Employment Type
Full Time
processes across Equities, Fixed Income, and Alternatives. This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelines Design and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution. Develop ...

SQL Server Developer

Hiring Organisation
Picture More
Location
Orpington, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
supporting a mature Azure SQL Database environment. This is a hands-on role where you'll work with a large, established SQL codebase, troubleshoot performance issues, and help deliver reliable database solutions that support a business-critical platform. Location: SE London (Hybrid) What's on offer? Opportunity to work … with large-scale Azure SQL Database environments Varied technical challenges across performance tuning and optimisation Collaborative and supportive technical team Long-term career development opportunities Key responsibilities Design, develop and maintain T-SQL stored procedures, functions and complex queries Diagnose and resolve SQL performance issues using execution ...

Principal Engineer (AWS & Java)

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
guide effective development approaches by the engineering teams.Lead the implementation of the most complex and business‐critical changes, setting the standard for quality, performance, and maintainability.Provide hands‐on expertise in Java‐based systems, including concurrency, performance tuning, memory management, and API design.Non‐Functional Ownership & System PerformanceTake … capacity management, ensuring the platform performs predictably under variable and peak loads.Provide deep expertise in working with large databases and data stores, including performance optimisation, data access patterns, and operational scaling.Problem Solving & Technical Decision SupportSolve the most complex and ambiguous technical problems, particularly those spanning multiple components or teams.Act ...

Principal Engineer (AWS & Java)

Hiring Organisation
London Stock Exchange Group
Location
Nottingham, Nottinghamshire, United Kingdom
Salary
£ 70 K
guide effective development approaches by the engineering teams.Lead the implementation of the most complex and business‐critical changes, setting the standard for quality, performance, and maintainability.Provide hands‐on expertise in Java‐based systems, including concurrency, performance tuning, memory management, and API design.Non‐Functional Ownership & System PerformanceTake … capacity management, ensuring the platform performs predictably under variable and peak loads.Provide deep expertise in working with large databases and data stores, including performance optimisation, data access patterns, and operational scaling.Problem Solving & Technical Decision SupportSolve the most complex and ambiguous technical problems, particularly those spanning multiple components or teams.Act ...

Cerner Specialist

Hiring Organisation
ECS Resource Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
behalf of a global IT Services Provider who are looking for a Data Consultant (Cerner/Oracle Health) to support the remediation of performance issues and other problems associated with data pipelines. Key Responsibilities Remediate data pipeline and performance issues Provide DBA expertise across performance tuning … data requirements Requirements: Excellent understanding of Cerner (Oracle Health Data) Advanced SQL skills Minimum 5 years' healthcare sector experience Strong DBA knowledge, particularly performance tuning Strong understanding of data architecture and data structures Knowledge of national healthcare submissions and data dictionaries Excellent problem-solving and stakeholder management skills ...

Senior ETF Engineer, Investment Technology

Hiring Organisation
Invesco
Location
London, United Kingdom
Salary
£ 100 K
operational processes across Equities, Fixed Income, and Alternatives.This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … services, APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelinesDesign and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution.Develop and maintain ...

Cerner/Oracle Health Data Consultant

Hiring Organisation
Xcede
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
health organisation is looking to engage two experienced Data Consultants with deep Cerner (Oracle Health) expertise to support the remediation of data pipeline performance issues within their data warehouse environment. This is a mainly remote role, with occasional site visits required for equipment collection and periodic stakeholder meetings. … Consultant required from 17th August and the second joining approximately two weeks later. Day to day, you will focus on identifying and resolving performance issues and broader problems affecting data pipelines. You will bring a strong problem solving mindset alongside hands on DBA skills to diagnose and remediate performance ...

SQL Server DBA

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

Sr Cloud Engineer | Infrastructure & Networking | Europe remote

Hiring Organisation
n8n
Location
United Kingdom
Salary
£ 70 K
shape secure, scalable network architecture as we expand across Azure regions and evaluate additional cloud providers.IMPROVE RELIABILITY, SECURITY & OBSERVABILITYContribute to on-call, incident response, performance tuning, and critical bug fixes across network and platform systems.Improve monitoring, alerting, and observability so the team can diagnose issues faster and reduce … practices. CI/CD and build systems: You have a strong grasp of CI/CD pipelines, build processes, and deployment workflows. Observability and performance: You have experience with monitoring, alerting, observability, and performance tuning in production environments. Growth mindset: You’re curious, resourceful, and comfortable saying ...

Senior Data Engineer

Hiring Organisation
Eden James Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

Platform Engineer (Database SME)

Hiring Organisation
BigChange
Location
Leeds, West Yorkshire, United Kingdom
Salary
£ 70 K
reliability, and performance. As our database expert, you will take full ownership of our SQL Server ecosystem—driving database resilience, architecture, migration strategies, and performance tuning—while collaborating with platform teams to automate infrastructure deployments via modern CI/CD pipelines.What You’ll DoDatabase Strategy & Lifecycle Management … high platform availability and performance. Collaborate with platform teams to automate deployments using modern CI/CD tools and Internal Developer Platforms (Backstage).Performance Tuning & Optimization: Provide advanced query optimization, index management, and technical leadership to development teams for database-related performance bottlenecks.Automation & Scripting: Develop, enhance, and maintain ...