1 to 25 of 103 Performance Tuning Jobs in the UK

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
ownership of a diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure … high availability, performance, reliability and security. Performance tuning, monitoring and troubleshooting. Manage upgrades, patching, backups and recovery. Support schema design, SQL optimisation and integrations. Manage database access, permissions and compliance. Act as the escalation point for database issues. Build and optimise SQL queries for Grafana and reporting. ...

Database Consultant

Hiring Organisation
LANCESOFT LTD
Location
London, England, United Kingdom
runbooks./n Provide knowledge transfer to application support, database, reporting and business operations teams./n Support post-implementation stabilisation, defect remediation and performance tuning./n 4. Required Skills/n Microsoft Access databases linked Oracle tables, pass-through queries, macros, VBA, forms and reports to reverse … engineer the existing application accurately./n Oracle Database Oracle SQL, PL/SQL, views, materialised views, performance tuning, execution plans to rebuild report logic close to the data and optimise large workloads./n OAS/OBIEE OAS dashboards, analyses, repository/subject area concepts, prompts, filters ...

SQL Server DBA

Hiring Organisation
Adecco
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
long-term contract basis. This is an excellent opportunity to work within a large-scale enterprise environment supporting business-critical SQL Server platforms, ensuring performance, availability, security and stability across a complex database estate. The Role You will be responsible for the administration, maintenance, optimisation and ongoing support … capabilities and the ability to respond quickly to issues impacting critical business systems. Key Responsibilities Administer and support enterprise SQL Server environments Monitor database performance, health and availability Diagnose and resolve production issues in real time Implement and support High Availability and Disaster Recovery solutions Perform SQL Server upgrades ...

Database Engineer

Hiring Organisation
Talent-Relay Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£62,614
position . Youll work across Oracle, PostgreSQL and NoSQL platforms , helping build, automate and optimise highly available enterprise database environments. If you enjoy automation, performance tuning, modern DevOps and solving complex database challenges , this role offers the opportunity to work at significant enterprise scale. Key Responsibilities: Engineer … Cassandra, MongoDB and/or Couchbase . Automate database provisioning, configuration and deployments. Implement Infrastructure as Code and CI/CD practices. Optimise database performance, queries and indexing. Support high availability, replication and resilience. Troubleshoot complex production issues and perform root-cause analysis. Partner with developers, architects and infrastructure ...

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £555/day
months + Security Clearance: Active SC or DV. Our client is seeking an experienced DBA Specialist , supporting critical database environments and ensuring the performance, availability, and security of key business systems. This is an exciting opportunity for a database professional with strong administration, performance tuning, automation … will be responsible for the design, implementation, maintenance, and optimisation of critical database systems. You will play a key role in ensuring database performance, resilience, and security while supporting high-availability environments. The successful candidate will be required to work onsite in either Leicester or Hursley five days ...

Lead Data Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Lead Data Engineer

Location
London, United Kingdom
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Lead Data Engineer

Location
Westminster, West End, United Kingdom
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Forensic DBA

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
standard for how the programme logs, audits and recovers its data. Key Responsibilities Investigate data incidents, such as unexpected changes, deletions, corruption, performance failures and suspected misuse, and establish the root cause. Reconstruct events using transaction logs, WAL archives, point-in-time recovery (PITR), audit logs and replication streams. … Advise on audit and logging design (for example pgaudit and database activity monitoring) so future incidents can be traced. Support live incident response, including performance tuning and fault finding on production databases. Review backup, disaster recovery, replication and archiving arrangements. Support database migrations and upgrades, including near-zero ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … technology landscape. This is an opportunity to become a technical authority for database infrastructure, helping shape the future of the database platform whilst improving performance, resilience, scalability and operational efficiency. A selection of your key responsibilities will include administering and optimising large-scale PostgreSQL environments, managing connection pooling ...

PostgreSQL DBA - AWS, Aurora, RDS - REMOTE

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£500 - £525 per day
high-profile public sector project. This role is fully remote and falls inside IR35 . The Role: You will be responsible for managing, tuning, and scaling mission-critical database infrastructure hosted in secure cloud environments. Working closely with engineering and DevOps teams, you will ensure optimal performance, high … availability, and strict adherence to government security standards. Core Responsibilities: Design, configure, and manage PostgreSQL, Amazon Aurora, and Amazon RDS instances. Drive database performance tuning, slow query troubleshooting, and proactive monitoring. Execute schema updates, migrations, and engine upgrades safely within cloud ecosystems. Support disaster recovery, backup protocols ...

DBA Specialist

Hiring Organisation
Sanderson Government and Defence
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Contract
within a secure environment, managing and optimising large-scale, mission-critical database platforms that underpin essential services. You'll be responsible for database administration, performance tuning, backup and recovery, security management, high availability, and disaster recovery across enterprise environments. Working alongside technical specialists, you'll help ensure database … availability while driving automation and operational improvements. Key skills and experience: Strong DBA experience across Oracle, SQL Server, PostgreSQL, MySQL, or MongoDB Database performance tuning, optimisation, and troubleshooting expertise Experience with high availability, replication, backup, and disaster recovery solutions Strong SQL knowledge and experience working within Linux ...

SAP Basis Specialist

Hiring Organisation
Guidant Global
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Contract
functional technical teams, functional consultants and global business stakeholders within an Agile/Scrum framework. Your focus will be on maximum system availability, strong performance and strict adherence to security and compliance standards. What You'll Be Doing System Administration and Landscape Operations Managing full-lifecycle SAP Basis support … stability Implementing technical system changes, and planning Support Packages (SPS), Enhancement Packages (EHP) and system patches in line with Change Advisory Board (CAB) standards Performance Tuning and Infrastructure Carrying out in-depth root cause analysis (RCA) and performance tuning across ABAP, Java and database layers (ST04 ...

SAP Basis Specialist

Hiring Organisation
Guidant Global
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£88,051
functional technical teams, functional consultants and global business stakeholders within an Agile/Scrum framework. Your focus will be on maximum system availability, strong performance and strict adherence to security and compliance standards. What You'll Be Doing System Administration and Landscape Operations Managing full-lifecycle SAP Basis support … stability Implementing technical system changes, and planning Support Packages (SPS), Enhancement Packages (EHP) and system patches in line with Change Advisory Board (CAB) standards Performance Tuning and Infrastructure Carrying out in-depth root cause analysis (RCA) and performance tuning across ABAP, Java and database layers (ST04 ...

SAP Basis Specialist

Hiring Organisation
Belcan
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£45/hour
closely with cross-functional technical teams, functional consultants, and global business stakeholders within an Agile/Scrum framework to ensure maximum system availability, optimal performance, and strict adherence to security and compliance standards. Key Responsibilities System Administration & Landscape Operations Manage full-lifecycle SAP Basis Support operations, including daily administration … stability. Implement technical system changes, plan Support Packages (SPS) and Enhancement Packages (EHP), and system patches in alignment with Change Advisory Board (CAB) standards. Performance Tuning & Infrastructure Perform in-depth root cause analysis (RCA) and performance tuning across ABAP, Java, and Database layers (ST04, ST03N, ST22 ...

Automation & DevOps Engineer - (IBM Z/Mainframe Technologies)

Hiring Organisation
GIOS Technology Limited
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Python development experience, including modular design, error handling, logging, testing, and production-quality coding practices. Solid PostgreSQL experience covering schema design, query optimisation, performance tuning, and operational data management. Proficiency in Git and Git-based development and CI/CD practices. Enterprise-scale Ansible automation experience using Ansible …/Mainframe environments and z/OS job execution patterns is advantageous. Key Skills: Mainframe/Python/Devops/Banking/Performance Tuning/Ansible/Hashicorp Vault ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates
Location
EC2N, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £170000/annum Circa 40-80% Bonus + Bens
side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Senior SQL DBA

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
Senior SQL Server DBA - Performance & AWS Location: Birmingham - On-site Salary: £60,000-£65,000 Job Type: Full-Time, Permanent No Sponsorship available must be UK based The Opportunity We're working with an established organisation seeking an experienced Senior SQL Server Database Administrator (DBA) to take ownership … database performance, reliability and optimisation across its AWS environment. This is an excellent opportunity for a hands-on SQL specialist to become the primary technical owner of database administration and performance, with responsibility for identifying issues, improving scalability and ensuring critical systems operate efficiently. You'll work closely ...

Senior Data Plaform Engineer

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … workloads. Use Infrastructure as Code to create repeatable and maintainable environments. Support Docker and Kubernetes-based platform environments. Monitor platform services and investigate failures, performance issues and operational problems. Participate in incident investigation and root cause analysis . Support platform performance, scalability, resilience and availability improvements. Contribute ...

Senior SQL Server Database Developer

Hiring Organisation
Hanson Regan Ltd
Location
Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
maintain complex T-SQL, including stored procedures, functions, views and queries. Design effective database structures, data models, relationships and indexing strategies. Optimise SQL Server performance through query tuning, execution plans and indexing. Support Legacy application and database migration and modernisation projects. Develop and maintain data integrations between applications … databases and internal systems. Investigate and resolve database performance, data integrity and production issues. Take ownership of the full database development life cycle, from specification and design through to testing, deployment, documentation and support. Work closely with software developers, manufacturing teams and business stakeholders to deliver effective data solutions. ...

Lead Oracle Data Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
secure and complex environment. The successful candidate will be responsible for designing, building, optimising and maintaining scalable data solutions, ensuring the availability, integrity and performance of enterprise data platforms. Key Responsibilities Design, develop and maintain Oracle-based data solutions and data pipelines. Build and optimise ETL/ELT processes … requirements. Develop and maintain Oracle databases, schemes, stored procedures, functions and packages. Ensure data quality, governance, security and compliance across all data assets. Troubleshoot performance issues and implement database tuning and optimisation strategies. Collaborate with architects, developers and business stakeholders to deliver data-driven solutions. Support cloud ...

Senior Data Engineer

Hiring Organisation
Jacobs
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python and cloud-native orchestration services Implement data quality checks, validation processes, monitoring and logging to ensure trusted and reliable data delivery Support the performance tuning and optimisation of data pipelines, SQL workloads and integration services Work with AWS services such as S3, Glue, Lambda, Athena and Step ...

Data Engineer

Hiring Organisation
Jacobs
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python and cloud-native orchestration services Implement data quality checks, validation processes, monitoring and logging to ensure trusted and reliable data delivery Support the performance tuning and optimisation of data pipelines, SQL workloads and integration services Work with AWS services such as S3, Glue, Lambda, Athena and Step ...

Senior Data Engineer

Hiring Organisation
Clearwater People Solutions
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Plus Benefits
design, build, and optimisation of data architectures, models, warehouses, and data lake solutions that support reporting, analytics, and AI initiatives. Ensure solutions meet performance, scalability, and reliability standards across legacy and modern cloud platforms. Monitor and tune system, pipeline, and query performance. Continuously refine pipelines to enhance efficiency, reduce … control (Git) and the DevOps methodology. Ability to design, maintain, and optimise scalable ETL/ELT pipelines. Ability to troubleshoot complex data issues, monitor performance, and implement automated solutions. Strong analytical and problem-solving capabilities with an emphasis on performance tuning and scalability. Please apply as directed ...