1 to 25 of 137 Performance Tuning Jobs in London

manage enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains with a strong focus on capacity planning, performance engineering, and operational resilience. The role supports large‐scale enterprise environments, ensuring high availability, scalability, and performance across all infrastructure layers. Key Responsibilities Infrastructure … network; analyze trends for CPU, memory, storage IO, and network utilization; recommend and implement capacity optimization; collaborate with application, database, and infrastructure teams. Performance Engineering & Optimization – Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments; identify bottlenecks in CPU, memory, disk ...

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 ...

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 ...

design, optimisation and resilience of critical AWS-hosted database platforms. This is a hands-on technical role requiring strong expertise across AWS database services, performance tuning and high availability. Clearance required: BPSS + SC (It needs to be an active SC with a government agency used within … months) Essential Skills Expert knowledge of AWS Aurora , Amazon RDS and PostgreSQL Strong database architecture, schema design and data modelling experience SQL optimisation, query tuning and execution plan analysis Performance tuning, indexing and database optimisation Backup, recovery, replication, failover and disaster recovery Troubleshooting complex production database environments ...

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 ...

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 ...

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 ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

modernization initiatives from Teradata to Snowflake. Lead development of data models, ETL processes, and data integration strategies. Define data modeling, performance tuning, and SQL optimization standards. Ensure scalable, secure, and cost‐efficient Snowflake usage. Evaluate and recommend tools and technologies to enhance data management and analytics capabilities. Migration … business teams. Provide technical guidance during design and production issues. Participate in client discussions and solution reviews. Required Technical Skills Teradata – strong SQL, performance tuning, BTEQ scripting, experience with FastLoad, MultiLoad, TPT. Snowflake – architecture (virtual warehouses, storage, micro‐partitioning), SQL optimization, cost governance, Streams, Tasks, MERGE, roles, RBAC ...

configuration and system maintenance Observability Monitoring Reliability Implement comprehensive monitoring logging and alerting frameworks to ensure high platform availability and rapid incident response Conduct performance tuning capacity planning and proactive issue resolution for mission critical systems Establish operational runbooks readiness checklists and best practices for platform reliability Security … Specialized Experience in Camunda Successfully deployed supported and automated Camunda platform operations using DevOps best practices including CICD pipelines for Camunda workflows platform monitoring performance tuning and end to end automation of Camunda based process application We are a Disability Confident Employer: Capgemini is proud ...

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 ...

pragmatic technical decisions that balance business objectives, security, scalability, cost, timelines, and operational requirements. Champion engineering excellence by promoting high standards of code quality, performance, maintainability, security, and architectural governance. Establish and advocate engineering best practices, design patterns, coding standards, and reusable frameworks across delivery teams. Provide technical leadership … platforms. Develop event-driven and real-time data integration solutions that enable scalable, resilient data processing and business intelligence. Drive platform optimisation through automation, performance tuning, cost optimisation, and operational best practices. Quality, DevOps & Reliability Establish robust testing strategies across UI, API, and data layers Own CI/ ...

security and code quality. Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud‐native application development and deployments. Manage Azure deployments, performance tuning, and basic cloud administration tasks to ensure scalability and reliability. Collaborate with stakeholders and cross‐functional teams to align technical solutions with … lifecycle management. Skilled in Azure SQL Server with deep hands‐on experience in writing complex Stored Procedures, Triggers, and Views, along with strong application performance optimization expertise. Cloud experience in Azure App Services, Azure Functions, Azure Container Apps, and deployments, with exposure to basic cloud administration. Knowledge of microservices ...

ability to lead multiple projects simultaneously, delivering to deadlines Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions Motivated self-starter … scope for growth. And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond ...

ability to lead multiple projects simultaneously, delivering to deadlines* Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning* A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions* Motivated self-starter ...

pragmatic technical decisions that balance business objectives, security, scalability, cost, timelines, and operational requirements Champion engineering excellence by promoting high standards of code quality, performance, maintainability, security, and architectural governance Establish and advocate engineering best practices, design patterns, coding standards, and reusable frameworks across delivery teams Provide technical leadership … platforms Develop event-driven and real-time data integration solutions that enable scalable, resilient data processing and business intelligence Drive platform optimisation through automation, performance tuning, cost optimisation, and operational best practices. Quality, DevOps & Reliability Establish robust testing strategies across UI, API, and data layers Own CI/ ...

activities, identify root causes, and execute plans to permanently resolve them. Architecture Support: Support development and engineering teams in building highly available, scalable solutions. Performance & Capacity: Conduct performance tuning and capacity planning to align perfectly with client business needs. Cloud Migrations: Drive or support implementation teams ...

processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture … data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star ...

collaborate closely with stakeholders including Ratings, Business, and Operation teams to deliver scalable data infrastructure, APIs, and services with a focus on reliability, performance, data integrity, and innovation—including the integration of AI/ML capabilities to enhance data solutions and developer productivity How You’ll Make an Impact … high-quality software delivery through automated testing, code reviews, observability, and engineering governance. Lead resolution of complex technical and operational challenges while improving platform performance, resiliency, and operational excellence. Champion DevSecOps, CI/CD, and automation practices to accelerate delivery and improve engineering efficiency. Evaluate and adopt emerging technologies ...

platform of toolchains and workflows that accelerate application development, scale up computational experiments, and integrate all computation with project metadata, logs, experiment configuration and performance tracking over abstractions that encompass Cloud and High-Performance Computing. This metadata-forward, CI/CD-driven platform represents and enables the entire … Basic Qualifications Bachelor's degree in data engineering, Computer Science, Software Engineering or related discipline Experience with Python Experience with Cloud Experience with High Performance Compute (HPC) Preferred Qualifications Deep knowledge and use of at least one common programming language: e.g., Python, C++, Java, including toolchains for documentation, testing ...

platform of toolchains and workflows that accelerate application development, scale up computational experiments, and integrate all computation with project metadata, logs, experiment configuration and performance tracking over abstractions that encompass Cloud and High-Performance Computing. This metadata-forward, CI/CD-driven platform represents and enables the entire … Basic Qualifications: Bachelor's degree in data engineering, Computer Science, Software Engineering or related discipline Experience with Python Experience with Cloud Experience with High Performance Compute (HPC) Preferred Qualifications: Deep knowledge and use of at least one common programming language: e.g., Python, C++, Java, including toolchains for documentation, testing ...

hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

reusable modules, CI/CD pipelines and policy‐as‐code guardrails. Leverage AI agents extensively to automate and optimise platform work—provisioning, cost and performance optimisation, incident response, remediation and documentation. Prepare the infrastructure for AI agents as first‐class “engineers”: safe machine identities, scoped permissions, sandboxes, approval workflows … Partner with data engineering to design and optimise data pipelines, data stores and large‐scale analytics infrastructure such as BigQuery, including query, cost and performance tuning. Mentor engineers, set technical direction and champion strong platform and security engineering standards across the organisation. What you’ll need to succeed Essential ...