1 to 25 of 192 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 ❯

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 ❯

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 ❯

both BAU operational support and technical change within a mission-critical IBM z/OS environment. You will work across Assembler, CICS, and MQ components to ensure the stability, performance, and modernisation of core banking services. The position involves troubleshooting incidents, performance tuning, supporting project delivery activities, and participating in out-of-hours deployments to ensure continuous … service availability. RESPONSIBILITIES * Provide expert support for Assembler components and integration with CICS and IBM MQ subsystems * Perform root-cause analysis for incidents, abends, and performance issues across production and test environments * Participate in a 24×7 on-call rota supporting business-critical systems * Maintain and optimise JCL batch processes, MQ message handling, and CICS transaction performance * Ensure … CICS, IBM MQ (v9.x+), JCL, and VSAM in high-availability environments * Incident resolution experience using Abend-Aid, File-Aid, Omegamon, IPCS or similar tooling * Hands-on MQ administration and performance tuning on z/OS * Experience supporting operational BAU and project delivery activities * Familiarity with Cobol, DB2, and cross-component troubleshooting * Security and compliance understanding including TLS and 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 ❯

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 ❯

a cloud-native transformation? This is your chance to design, build, and optimise the backbone of platforms used by millions. Join a tech-driven organisation where your expertise shapes performance, reliability, and innovation. You'll be the driving force behind modernising legacy systems, accelerating delivery, and empowering developers with world-class tooling. Your Mission As a Senior Infrastructure Engineer … has led major cloud migrations or built platforms from the ground up. What You'll Bring 5+ years of hands-on Azure infrastructure experience Strong knowledge of .NET architecture & performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: IaC (ARM, Bicep … Terraform) Cloud networking (VNets, firewalls, load balancers) SQL Server performance tuning Legacy app modernisation in Azure Why You'll Love It Here Remote-First Culture - Work anywhere in the UK Flexible Hours - Fit work around your life Career Growth - Training budget & clear progression path Wellbeing Perks - Private Medical, mental health support, and more Premium Tech Setup - High-end More ❯

Ready to optimise the systems that drive world-class trading performance? Join a global diversified trading firm that combines technology, research, and risk management to compete across financial markets. The organisation is recognised for its high-performance infrastructure, innovative engineering culture, and commitment to technological excellence. The team is hiring a Linux Engineer to design, deploy, and maintain … mission-critical Linux systems supporting low-latency trading environments. The role will focus on performance tuning, automation, and reliability to ensure seamless operations across global trading platforms. Engineer stability, speed, and precision at the heart of modern trading. Apply now! Responsibilities Partner with the global Linux Engineering team on projects, changes, and on-call rotations. Act as the … . Strong scripting skills in Bash, Python, or similar. Proven expertise in Linux support/engineering within high-availability environments (Red Hat, Debian, or similar). Skilled in troubleshooting, performance tuning, and system optimization. Salary Up to £150,000 Total Comp More ❯

performing engineering team driving the evolution of cloud-native platforms used by millions. This is your chance to architect, optimise, and scale infrastructure that powers real-world impact - from performance-critical applications to enterprise-grade systems. You'll be at the forefront of infrastructure strategy, working with cutting-edge Azure technologies and .NET stacks to deliver speed, reliability, and … resilience across the platform. What You'll Be Doing: Architect and manage Azure infrastructure using IaC tools (ARM, Bicep, Terraform) Optimise .NET application stacks for performance and scalability Implement observability and monitoring tools to ensure system health Troubleshoot production environments and drive continuous improvement Lead automation initiatives and contribute to platform growth strategy What You Bring: 5+ years of … hands-on Azure infrastructure experience Deep understanding of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Strong skills in profiling, benchmarking, and optimisation Experience with APM tools (e.g. New Relic, AppDynamics) Bonus Points For: Infrastructure as Code (ARM, Bicep, Terraform) Cloud networking (VNets, firewalls, load balancers) SQL Server performance tuning Experience More ❯

Data Lake, including processing, storage, and analysis within GCP. By leveraging your expertise of Google BigQuery architecture and its features, you will design and implement data models optimised for performance, scalability and best practices. You will act as the subject matter expert for development and optimisation to maintain data governance, while ensuring all designed solutions adhere to Company standards … GitLab, and Jenkins. Proven experience in setting up and managing GCP environments. Proficient in writing complex SQL queries, continuous queries, stored procedures, UDFs, and TVFs in BigQuery, along with performance tuning and optimisation. Strong understanding of GCP security best practices and BigQuery's specific security features and access control mechanisms. What you will be doing Collaborating with Technical … Leads and Software Architects to ensure a scalable, reliable, and compliant solutions. Crafting complex SQL queries, stored procedures, UDFs, and TVFs, and applying performance tuning strategies for data models. Designing, developing, and maintaining automated data pipelines for efficient data ingestion, transformation, and loading (ETL/ELT) processes. Implementing and championing data validation, sequencing, robust monitoring, and alerting frameworks More ❯

hands-on engineer with proven experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close to the technology, solving issues … Needed At least 1 year of hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across engineering teams Useful Extras More ❯

hands-on engineer with proven experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close to the technology, solving issues … Needed • At least 1 year of hands-on experience configuring, administering, and troubleshooting Solace PubSub+• Strong understanding of event-driven and messaging principles• Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns• Ability to analyse issues across application, network, and infrastructure layers• Clear communication skills and the ability to collaborate across engineering teams Useful Extras More ❯

you will play a key role in supporting our extensive portfolio of over 800 Oracle databases, primarily focusing on Oracle 19c. You will be responsible for ensuring the reliability, performance, and security of our database environments, which include complex configurations such as RAC/ASM, Exadata, Dataguard, and RMAN. Key Responsibilities: Support and maintain Oracle 19c databases with a … and upgrades of Oracle RAC Clusters and associated application tools. Create, modify, and patch various database products as needed. Execute Oracle RMAN backup and recovery procedures effectively. Optimize database performance through tuning and monitoring. Configure and operate Oracle GoldenGate microservices. Provide support for Oracle Exadata and Oracle DataGuard environments. Utilize OEM 13c, Oracle OID, Foglight, and Autosys for … database management. Conduct SQL and PL/SQL programming for database operations. Oversee database auditing, security, and performance tuning. Troubleshoot and resolve database-related issues proactively. Skills & Experience: Proven experience as an Oracle DBA, particularly with Oracle 19c, in a complex environment. Strong understanding of RAC/ASM, Exadata, Dataguard, and RMAN. Hands-on experience with Oracle GoldenGate configuration More ❯

IT modernization, security, and analytics, DXC enables enterprises to thrive in a rapidly evolving digital landscape. Our clients rely on us to provide end-to-end solutions that improve performance, security, and scalability across their IT infrastructure. The role: As an Oracle Senior Database Administrator (DBA) at DXC Technology, you will be responsible for designing, implementing, and maintaining robust … database solutions that support enterprise infrastructure services. This role involves working with cloud and on-premises databases, ensuring high availability, security, and performance while supporting database migrations, automation, and modernization efforts. You will collaborate with cross-functional teams to optimize database architectures and contribute to the continuous improvement of infrastructure services. Key Responsibilities: Lead and manage database infrastructure services … including deployment, migration, and administration of databases (SQL, Oracle, PostgreSQL, etc.). Ensure high availability, security, and optimal performance of database environments. Support the development and execution of database infrastructure strategies and modernization projects. Monitor and maintain database health, backups, disaster recovery, and performance tuning. Collaborate with cross-functional teams to align database solutions with business and IT More ❯

the JDA Dispatcher WMS with other systems like ERP, TMS, and material handling equipment (MHE). Troubleshooting: Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues. Documentation: Creating and maintaining documentation for configurations, customizations, and processes related to the JDA Dispatcher WMS. Monitoring & Performance Tuning: Monitoring the system's performance, identifying bottlenecks, and tuning the system for optimal performance. Capacity Planning: Planning for future capacity needs of the system and ensuring capability to handle increasing volumes of data and users. Coordination: Collaborating with various teams, including IT, operations, and project teams, to ensure seamless system operations. Reporting: Developing reports and dashboards to … track key performance indicators (KPIs) related to warehouse operations. Required Skills: Technical Skills: Proficiency in SQL, PL/SQL, shell scripting MOCA (a JDA development language), and other relevant technologies. Analytical Skills: Strong problem-solving and analytical skills to troubleshoot technical issues and identify root causes. Communication Skills: Excellent communication and interpersonal skills to interact with users, stakeholders, and More ❯