1 to 25 of 387 Performance Tuning Jobs in the UK

a leading managed services provider (MSP) and technology partner, specialising in enterprise IT solutions and infrastructure. They are a partner of major vendors such as Broadcom and deliver high-performance, complex systems to large-scale clients across industries. We are seeking an AVI Architect with strong DevOps and application tuning expertise. Operating at an architect level, this role … focuses on supporting tuning activities for complex, high-volume applications and driving performance improvements for the client's most demanding systems. Key Responsibilities: Lead tuning and performance optimisation for complex applications with high function point (FP) volumes. Identify and resolve application performance bottlenecks. Support move to block initiatives, ensuring high-demand applications perform efficiently. Collaborate … with the Cyber Tuning Team to define and implement best practices. Provide architectural-level guidance on DevOps processes and tuning strategies. Document tuning activities, optimisations, and performance improvements. Essential Skills & Experience: Proven experience as a DevOps or Tuning Engineer at an architect level. Expertise in application performance tuning for complex, high-volume systems. More ❯

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

The successful candidate will join the infrastructure team as a hands-on Lead within our Research Infrastructure Engineering team. This team are responsible for our cutting-edge high-performance trading and research infrastructure and are responsible for the development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale … directly with our research and trading teams with a primary focus on Linux-based systems. This includes, workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … highly collaborative manner You will have 10+ years of experience in Linux systems administration and platform engineering, with a proven track record of technical leadership Deep knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You will identify, troubleshoot, and resolve high-complexity system issues More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

to manage our SQL Server environment and Azure SQL Data Warehouse. This is a fantastic opportunity for a SQL Database Administrator who enjoys tackling complex database challenges and improving performance and efficiency.What you’ll be doing: Administering, monitoring, and maintaining Microsoft SQL Server databases as a SQL Database Administrator Supporting Azure PaaS databases, including Azure SQL and Managed Instances … Managing backups, restores, and recovery models Implementing and maintaining High Availability (HA) and Disaster Recovery (DR) solutions Troubleshooting database connection issues, including server firewall, proxy, and networking challenges Performing performance tuning and optimisation (PTO) to keep systems running at their best Advising, rearchitecting, and tuning existing databases for improved performance and cost savings Managing Database Access … with Database Server Security Patch Management Strong experience with Azure SQL Data Warehouse and ETL/data pipelines (ADF) Proficiency in Database Access Management Expertise in SQL Server Administration, Performance Tuning & Optimisation Experience with backups, restores, and recovery models Knowledge of High Availability (HA) and Disaster Recovery (DR) solutions Ability to support Azure PaaS databases (Azure SQL, Managed More ❯

across on-premises and cloud platforms . The ideal candidate will have a strong understanding of PostgreSQL architecture, clustering technologies, and migration strategies, along with hands-on experience in performance tuning, backup/recovery, and disaster recovery procedures. Key Responsibilities: Database Administration: Install, configure, and maintain PostgreSQL databases in production and non-production environments. Perform database refresh activities … between environments as required. Execute patching and upgrade activities to ensure databases remain secure, stable, and up to date. Architecture & Performance: Demonstrate a good understanding of PostgreSQL database architecture, including memory management, indexing, and query optimization. Handle performance issues by analyzing query execution plans, tuning configurations, and implementing best practices. High Availability & Clustering: Implement and manage repmgr … Database Administrator in enterprise environments. Strong knowledge of PostgreSQL architecture, including WAL, MVCC, and vacuum processes. Hands-on experience with repmgr clustering, failover handling, and node recovery. Expertise in performance tuning, query optimization, and troubleshooting. Experience with migration strategies from on-premises to cloud platforms. Familiarity with Google Cloud or Azure database services. Proficiency in backup, recovery, and More ❯

efficient data solutions. Data Quality Assurance: Implement checks and monitoring processes to ensure accuracy and reliability. Documentation: Maintain detailed technical documentation for data architectures, pipeline designs, and operational procedures. Performance Tuning: Analyse and optimize workflows for performance and cost efficiency. Innovation: Stay current with emerging technologies and best practices to continuously improve our data engineering capabilities. What … with SSAS cubes, Azure-based data pipelines, and containerization technologies. Must have a full UK Driving Licence and access to your own vehicle. Desirable: Familiarity with DAX Studio for performance tuning and query diagnostics. Strong proficiency in DAX (Data Analysis Expressions) for creating complex measures, calculated columns, and tables Background in retail, hospitality, or gaming/gambling sectors. More ❯

queries for data persistence Ensure application scalability and reliability in cloud-hosted Linux based environment Collaborate with DevOps to containerize services and deploy using CI/CD pipelines Conduct performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you Strong hands-on experience with Core Java and … multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning) Deep SQL knowledge and query optimization in Oracle database Solid understanding of messaging technologies … receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Note: this page contains a description of More ❯

WebSphere, Windows Server, Bash/Shell scripting, BMC Control-M,BMC Helix ITSM,Nginx,DB2-DB Administration, Prometheus, ServiceNow-Event Management, C, C#, C++,Flexcube technical PL/SQL-Performance Tuning & Shell Scripting,.Net Framework, Cassandra, ERP (JDA/PoS/PLM/Infor LN/JDE/Peoplesoft) Testing, ServiceNow(ITOM ITSM and other) Functional Testing, Cognos … Satellite for Package Inclusions Exclusions Familiarity with Microsoft Active Directory integration Familiarity with Postfix email package Understanding of networking fundamentals and basic firewall operations Experience with monitoring tools and performance tuning Excellent problem-solving skills and ability to work collaboratively across teams Strong documentation and communication skills More ❯

WebSphere, Windows Server, Bash/Shell scripting, BMC Control-M,BMC Helix ITSM,Nginx,DB2-DB Administration, Prometheus, ServiceNow-Event Management, C, C#, C++,Flexcube technical PL/SQL-Performance Tuning & Shell Scripting,.Net Framework, Cassandra, ERP (JDA/PoS/PLM/Infor LN/JDE/Peoplesoft) Testing, ServiceNow(ITOM ITSM and other) Functional Testing, Cognos … Satellite for Package Inclusions Exclusions Familiarity with Microsoft Active Directory integration Familiarity with Postfix email package Understanding of networking fundamentals and basic firewall operations Experience with monitoring tools and performance tuning Excellent problem-solving skills and ability to work collaboratively across teams Strong documentation and communication skills More ❯

and Power BI services—all managed using modern DevOps and Infrastructure as Code (IaC) practices with Terraform. You’ll act as a technical leader across key areas such as performance tuning, automation, monitoring, migrations, CI/CD, and Azure Landing Zone (ALZ) adoption. You’ll also collaborate closely with cross-functional teams to support ongoing cloud transformation while … observability tools such as Azure Monitor, Log Analytics, and custom dashboards. Write and optimise Kusto Query Language (KQL) queries for diagnostics and analytics. Support, Troubleshooting & Leadership Provide expert-level performance tuning, query optimisation, and incident troubleshooting. Lead SQL Server upgrades, migrations, and implementation of disaster recovery (DR) and high availability (HA) solutions. Conduct annual disaster recovery testing across More ❯

and platform transformation. About the Role As a Senior Software Engineer, you’ll work across both application and data layers, with a strong focus on SQL, ETL, data pipelines, performance tuning, and system integrations. You’ll play a key role in shaping our future architecture, modernising legacy systems, and driving improvements in quality, performance, and scalability. This … Bus Serverless) If you love hands-on coding, owning delivery, and mentoring others, this could be the role for you. Key Responsibilities Engineering & Delivery Develop complex SQL stored procedures, performance-tuned queries, and optimise data models Design and build scalable, secure applications using C# and .NET Build and enhance data pipelines and integrations using Azure Data Factory/DataBricks … quality software at pace Refactor and re-platform legacy data centric components into modern, cloud-first services Data Engineering Drive ETL development, data ingestion, and transformation pipelines Improve database performance and optimise slow-running queries across large datasets Introduce automation and quality improvements to database change processes Leadership Path Mentor junior and mid-level engineers Contribute to engineering standards More ❯

in managing and scaling our Snowflake Postgres & Greenplum database platforms across a global deployment of over 10K+ clusters. You will play a key role in driving modernisation, automation, and performance optimization across our Cloud/On-Prem data-platform ecosystem. Key Responsibilities: Design, implement, and manage large-scale distributed database systems using Snowflake and Postgres. Lead the architecture and … to cross-training initiatives across database technologies. Platform Engineering & Operations Architect, deploy, and manage large-scale distributed database systems using Snowflake and PostgreSQL. Ensure high availability, disaster recovery, and performance tuning across multi-region deployments. Lead the design and implementation of multi-cloud database strategies (AWS, Azure). Automation & Scalability Build and maintain infrastructure-as-code and automation … integration. Evaluate and implement emerging technologies to improve platform efficiency and developer experience. Skills that will help you in the role: Deep expertise in PostgreSQL and Snowflake administration and performance tuning. Proven experience managing large-scale distributed systems (100K+ clusters preferred). Strong Scripting and automation skills (Python, Terraform, Ansible, etc.). Experience with CI/CD pipelines and More ❯

SQL Performance Engineer - Hybrid (Glasgow or Edinburgh) - Up to £50,000 Are you passionate about optimising high-volume data systems and solving complex performance challenges? We're hiring a Performance Engineer to join a growing tech team working on a cutting-edge financial data platform. This is a hybrid role, with 2 days in the office (Glasgow … or Edinburgh) and 3 days working from home . What You'll Be Doing Tuning and optimising complex SQL queries to improve system performance Building tooling for diagnostics and deployment risk management Automating performance testing and benchmarking across environments Collaborating with Engineering, DevOps, and Product teams to improve throughput and scalability Supporting deployment strategies for high-risk … releases Designing and testing new performance features What We're Looking For Proven experience in SQL performance tuning and query optimisation Familiarity with performance testing tools (e.g., JMeter, k6) Experience with observability platforms (e.g., Azure Monitor, Grafana) Strong problem-solving skills and a collaborative mindset Ability to develop and interpret MI for decision-making Bonus Skills More ❯

SQL Performance Engineer - Hybrid (Glasgow or Edinburgh) - Up to £50,000 Are you passionate about optimising high-volume data systems and solving complex performance challenges? We're hiring a Performance Engineer to join a growing tech team working on a cutting-edge financial data platform. This is a hybrid role, with 2 days in the office (Glasgow … or Edinburgh) and 3 days working from home . What You'll Be Doing Tuning and optimising complex SQL queries to improve system performance Building tooling for diagnostics and deployment risk management Automating performance testing and benchmarking across environments Collaborating with Engineering, DevOps, and Product teams to improve throughput and scalability Supporting deployment strategies for high-risk … releases Designing and testing new performance features What We're Looking For Proven experience in SQL performance tuning and query optimisation Familiarity with performance testing tools (e.g., JMeter, k6) Experience with observability platforms (e.g., Azure Monitor, Grafana) Strong problem-solving skills and a collaborative mindset Ability to develop and interpret MI for decision-making Bonus Skills More ❯

Provide hands-on guidance to data engineering teams on complex technical challenges Conduct architecture reviews and design authority for data solutions Mentor engineers on best practices in data modeling, performance optimization, and cloud architecture ESSENTIAL SKILLS: Data Modeling expertise - Star schema, dimensional modeling, Data Vault, logical/physical design Snowflake Cloud Data Platform - Architecture design, performance tuning … solution design (6-12+ years experience) Data warehouse and data lake architecture patterns Migration and modernization programmes (on-prem to cloud) Data governance frameworks (security, lineage, quality, cataloging) Performance tuning and cost optimization strategies More ❯

scale? Join a high-performing engineering team building cloud-native platforms used by millions. This is your opportunity to shape infrastructure strategy, modernise legacy systems, and deliver resilient, high-performance solutions using cutting-edge Azure and .NET technologies. Your Mission As a Senior Infrastructure Engineer, you'll: Design and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform … Optimise .NET application stacks for performance, scalability, and reliability Implement observability tools to monitor and maintain system health Lead automation and CI/CD initiatives using Azure DevOps Drive cloud-native transformation , including migration from Windows VMs to Azure Web Apps, containers, and Kubernetes Own the Azure estate - from roadmap planning to hands-on delivery This role is ideal … building platforms from the ground up or leading major cloud migrations. What You Bring 5+ years of hands-on experience with Azure infrastructure Strong knowledge of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

capable Senior SQL Database Administrator to take ownership of our SQL Server estate and Azure SQL Data Warehouse environment. It’s a brilliant opportunity for someone who loves improving performance, solving tricky problems, and keeping everything in top shape.What you’ll be doing as a Senior SQL Database Administrator: Managing, monitoring, and maintaining Microsoft SQL Server databases Supporting Azure … SQL and Managed Instances Handling backups, restores, and recovery models Implementing and maintaining High Availability and Disaster Recovery Troubleshooting connection issues across servers, firewalls, proxies, and networks Carrying out performance tuning and optimisation to keep systems running at their best Advising on and reworking existing databases to boost efficiency and cut costs Overseeing database access and security patch … with database server security patching Strong knowledge of Azure SQL Data Warehouse and ETL or data pipelines (ADF) Good understanding of database access management Confident with SQL Server Administration, performance tuning and optimisation Experience with backups, restores, and recovery models Knowledge of HA and DR solutions Ability to support Azure PaaS environments Experience migrating SQL data Strong troubleshooting More ❯

capable Senior SQL Database Administrator to take ownership of our SQL Server estate and Azure SQL Data Warehouse environment. It’s a brilliant opportunity for someone who loves improving performance, solving tricky problems, and keeping everything in top shape. What you’ll be doing as a Senior SQL Database Administrator: Managing, monitoring, and maintaining Microsoft SQL Server databases Supporting … SQL and Managed Instances Handling backups, restores, and recovery models Implementing and maintaining High Availability and Disaster Recovery Troubleshooting connection issues across servers, firewalls, proxies, and networks Carrying out performance tuning and optimisation to keep systems running at their best Advising on and reworking existing databases to boost efficiency and cut costs Overseeing database access and security patch … with database server security patching Strong knowledge of Azure SQL Data Warehouse and ETL or data pipelines (ADF) Good understanding of database access management Confident with SQL Server Administration, performance tuning and optimisation Experience with backups, restores, and recovery models Knowledge of HA and DR solutions Ability to support Azure PaaS environments Experience migrating SQL data Strong troubleshooting More ❯

capable Senior SQL Database Administrator to take ownership of our SQL Server estate and Azure SQL Data Warehouse environment. It’s a brilliant opportunity for someone who loves improving performance, solving tricky problems, and keeping everything in top shape. What you’ll be doing as a Senior SQL Database Administrator: Managing, monitoring, and maintaining Microsoft SQL Server databases Supporting … SQL and Managed Instances Handling backups, restores, and recovery models Implementing and maintaining High Availability and Disaster Recovery Troubleshooting connection issues across servers, firewalls, proxies, and networks Carrying out performance tuning and optimisation to keep systems running at their best Advising on and reworking existing databases to boost efficiency and cut costs Overseeing database access and security patch … with database server security patching Strong knowledge of Azure SQL Data Warehouse and ETL or data pipelines (ADF) Good understanding of database access management Confident with SQL Server Administration, performance tuning and optimisation Experience with backups, restores, and recovery models Knowledge of HA and DR solutions Ability to support Azure PaaS environments Experience migrating SQL data Strong troubleshooting More ❯

operations. Drive operational excellence through proactive monitoring, capacity planning, incident response, and service reliability engineering (SRE). Automate and optimize infrastructure using Infrastructure-as-Code (IaC), cost governance, and performance tuning to achieve efficiency and scalability. Lead and collaborate — building a high-performing infrastructure and DevOps team while partnering with security, compliance, and engineering functions to ensure resilience … orchestration of cloud-native workloads. Solid experience with monitoring, logging, and observability tools (Prometheus, Grafana, Stackdriver) to ensure reliability and performance. Experience managing cloud cost governance, capacity planning, and performance tuning for efficiency and scalability. Strong grounding in ISO 27001, SAMA Cybersecurity Framework, and other regulatory requirements. Proven ability in incident management, root cause analysis, post-mortems, and More ❯

modern Azure estate, drive cloud-native transformation, and shape the future of infrastructure for a high-impact engineering team. Join a tech-forward company where your decisions directly influence performance, reliability, and innovation across platforms used by millions. You'll be at the heart of a mission to modernise legacy systems, accelerate delivery, and empower developers with world-class … What You'll Be Doing As a Senior Infrastructure Engineer , you'll: Architect and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform) Optimise .NET application stacks for performance, scalability, and resilience Implement observability and monitoring tools to ensure system health and uptime Lead CI/CD automation using Azure DevOps and Git workflows Drive cloud-native transformation … has led major cloud migrations or built platforms from scratch. What You'll Bring 5+ years of hands-on experience with Azure infrastructure Strong understanding of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep knowledge of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

best practices. Produce full technical documentation and user handover materials. Skills & Experience Proven experience designing SQL-based data models and warehouses . Strong SQL development , ETL/ELT , and performance tuning skills. Data integration expertise with Salesforce , NetSuite , and HR systems (API/ETL). Advanced Power BI (Power Query M, DAX) Proven experience designing SQL-based data … models and warehouses Strong SQL development , ETL/ELT , and performance tuning skills. Understanding of SaaS metrics (ARR, MRR, churn, NRR, CAC, revenue recognition). Excellent documentation, communication, and stakeholder engagement skills. Outcomes (3 Months) Operational Finance Data Cube integrating all core data sources. Automated Power BI dashboards for executive reporting. Documented, repeatable integration and refresh processes . More ❯