1 to 25 of 137 Performance Tuning Jobs in the UK

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

Network Engineer L3

Hiring Organisation
Claranet Limited
Location
Barnwood, Gloucester, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
specific requirements Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Contribute … request, and change records in ServiceNow Produce and present operational reports, dashboards, and summaries for internal and customer stakeholders, highlighting compliance, risk management, and performance Support governance initiatives including process improvement, risk analysis, and post-implementation reviews Key Skills Advanced routing & switching (BGP/OSPF, ACLs, NAT) SDWAN technologies ...

L3 Network Engineer

Hiring Organisation
Claranet
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance standards. … audit trails Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Financial ...

L3 Network Engineer

Hiring Organisation
Claranet
Location
Camden, Greater London, Covent Garden, United Kingdom
Employment Type
Permanent
support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance standards. … audit trails Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Financial ...

Director of Biometrics

Hiring Organisation
PRIMA Partners Global
Location
England, United Kingdom
market and technology insight. Manage technical risk on large scale identity and biometric projects, evaluating the technical and business impacts caused by bias, matching performance, and resilience to presentation attacks. Own the architecture design of large-scale identity solutions, managing governance forums for compliance, including identifying and documenting dispensations … exposure to a range of modalities e.g. biographic, fingerprint, facial, and iris. Understanding of testing methodologies for biometric and identify verification systems, measuring bias, performance, performance drift and presentation/system resilience. Understanding of the risks related to biometric and identity verification solutions, the role of Presentation Attack ...

Performance Architect

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£625 - £700/day - Inside IR35
Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

Cloud HPC Network Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
design, deployment and operation of a greenfield on-premises OpenStack private cloud environment. You will play a key role in building and evolving high-performance network infrastructure supporting HPC workloads, working across compute, storage and platform engineering teams to deliver a scalable, resilient and highly automated cloud platform. Location … private cloud and HPC environments Develop and support scalable Leaf-Spine network architectures using BGP, EVPN, VXLAN and ECMP Design networking solutions for high-performance compute, storage and latency-sensitive workloads Integrate physical networking infrastructure with OpenStack technologies including Neutron, OVN and ML2 Define network architectures supporting virtual machines ...

Cassandra Database Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£650 - £706 per day
associated technical design. Design for high availability, including active-active architecture, failover and disaster recovery . Build, configure and operationalise Cassandra clusters. Undertake performance tuning, capacity planning and production readiness activities. Manage cluster operations including node additions/decommissions, repairs, backups and recovery. Work closely with application, middleware … production environments Keyspace and table design Data modelling and partition-key design Replication factors and consistency Cassandra architecture and configuration Cluster operations and troubleshooting Performance tuning and capacity planning High availability, failover and disaster recovery CQL and Cassandra internals Linux administration and scripting Experience with technologies such ...

Remote Home Based Database Administrator

Hiring Organisation
4M Recruitment
Location
Midlands, Nechells, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
responsible for the design, implementation, management and maintenance of database systems ensuring they operate efficiently, securely and reliability. This will include database management, performance tuning, backup and recovery, upgrade, patch management and trouble shooting. The ideal candidate will have the following skills and experience: Oracle and PostgreSQL databases … Database management, performance tuning, backup and recovery, upgrade, patch management Problem solver Excellent attention to detail Good team player Relevant certifications (e.g., Oracle Certified Professional, Microsoft Certified: Azure Database Administrator) is a plus but not essential. Salary: £55,000 - £65,000 Excellent company benefits including bonus. ...

Oracle Database Engineer

Hiring Organisation
FBI &TMT
Location
Christchurch, Dorset, South West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £55.31 per hour
time on site with one of the industry's leading defence and security companies. Key Responsibilities: Developing, maintaining, and supporting Oracle databases Ensuring high performance, availability, and security of the Oracle databases Designing database solutions that meet the business requirements for both new projects and existing systems Conducting database … performance tuning and optimisation Implementing database backup and recovery strategies Collaborating with internal teams and external stakeholders to ensure effective database solutions Providing support for database-related issues and troubleshooting any problems that arise Maintaining comprehensive database documentation and ensuring adherence to security protocols and standards Job Requirements ...

Site Reliability Engineer / Production Support

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
level all key system flows, the services, partners, and teams in play, and how to actively debug an incident. Lead reliability engineering: resilience patterns, performance tuning, capacity planning. Facilitate post-incident reviews and track actions to completion. Use AI tools for automated alert correlation, root cause analysis … observability tools, alerting, logging, and distributed systems debugging. Experience managing and working with offshore support teams. Hands-on experience with reliability engineering: resilience patterns, performance tuning, capacity planning. Active use of AI tools for incident triage, automation, and runbook generation. Ability to understand complex system flows across multiple ...

Database Administrator (AWS AURORA / POSTGRESQL)

Hiring Organisation
NSD
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day
database platforms hosted within AWS. This is an excellent opportunity to join a highly skilled technical team, working on mission-critical services where resilience, performance and security are paramount. WHAT WILL THE SENIOR DATABASE ADMINISTRATOR BE DOING? As the Senior Database Administrator, you'll act as the technical lead … hosted database platforms, taking ownership of database architecture, resilience, performance optimisation and operational support. You'll work closely with Solution Architects, Cloud Engineers, Developers and Operational teams to design highly available database solutions, optimise performance, implement disaster recovery capabilities and resolve complex production issues. Alongside hands-on technical ...

SQL Developer

Hiring Organisation
Picture More
Location
South East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 per annum
sits at the heart of a business-critical software platform. You'll be joining a collaborative engineering team where you'll solve complex database performance issues, improve scalability and reliability, and play a key role in the ongoing development of a mature SQL estate. If you enjoy analysing execution … plans, tuning complex queries and solving challenging SQL performance problems, this is an excellent opportunity. The role Develop, enhance and maintain complex T-SQL stored procedures, functions and queries. Investigate and resolve SQL performance issues using execution plans and performance analysis tools. Optimise queries, indexing strategies ...

Oracle Database Administrator / Oracle DBA

Hiring Organisation
Damia Group Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Outside IR35
team responsible for maintaining business critical systems operating within a 24 by 7 live service environment. This role focuses on operational stability, incident resolution, performance optimisation and secure database management across a high availability Oracle estate. The Role You will provide 2nd and 3rd line database support for Oracle … databases supporting critical production services. Working closely with application support, infrastructure and service management teams, you will ensure availability, resilience and performance in line with agreed service levels. The position operates within a formal ITIL aligned support model and includes participation in a 24 by 7 support rota, including ...

Data Engineer

Hiring Organisation
Tria
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
pipelines using Python and SQL Designing and maintaining data models to support analytics, reporting and data science Working with cloud data platforms to optimise performance, data structures and compute costs Implementing data quality checks, automated testing and monitoring Developing and maintaining CI/CD pipelines and applying software engineering … building data models, tests, incremental models and transformations would be advantageous. Python - data engineering, automation, ingestion and pipeline development SQL - including query optimisation and performance tuning Git and CI/CD - with experience working in a modern software engineering environment Data warehousing and data modelling principles Building ...

Database Administrator

Hiring Organisation
Searchability NS&D
Location
Northwood, Hertfordshire, UK
platforms supporting complex applications and data pipelines. What You’ll Be Doing Managing PostgreSQL database clusters across multiple cloud and on-premise environments Monitoring, tuning, and optimising database performance Designing and maintaining scalable database schemas, tables, and views Managing database migrations and data structures across environments, including offline … database configuration Owning and evolving core data models within the platform Essential Skills & Experience Strong PostgreSQL DBA experience within enterprise or secure environments Database performance tuning, optimisation, and troubleshooting Experience with: Query optimisation Index tuning Execution plan analysis Experience managing PostgreSQL clustering and failover strategies Strong data ...

Database Administrator

Hiring Organisation
Searchability NS&D
Location
Northwood, England, United Kingdom
platforms supporting complex applications and data pipelines. What You’ll Be Doing Managing PostgreSQL database clusters across multiple cloud and on-premise environments Monitoring, tuning, and optimising database performance Designing and maintaining scalable database schemas, tables, and views Managing database migrations and data structures across environments, including offline … database configuration Owning and evolving core data models within the platform Essential Skills & Experience Strong PostgreSQL DBA experience within enterprise or secure environments Database performance tuning, optimisation, and troubleshooting Experience with: Query optimisation Index tuning Execution plan analysis Experience managing PostgreSQL clustering and failover strategies Strong data ...

Senior Data Engineer

Hiring Organisation
Empresaria Group plc
Location
City Of London, England, United Kingdom
target-state platform architecture and technical roadmaps. Support and execute the migration of data assets from legacy platforms to modern cloud technologies. Drive optimisation, performance tuning, and operational excellence across data platforms. Contribute to architecture reviews, governance forums, and technical design discussions. Mentor engineers and promote engineering excellence ...