1 to 25 of 28 Contract Performance Tuning Jobs in London

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 ...

database programme within a regulated government environment. This is a senior technical leadership role requiring deep hands-on expertise across AWS Aurora PostgreSQL, database performance tuning, schema design, resilience engineering, high availability, backup and recovery and disaster recovery planning. The successful candidate will operate as the technical authority … technical and non-technical audiences. Key Responsibilities Own database design and optimisation, ensuring efficient schema design, indexing strategies and query optimisation to support platform performance and scalability Implement and maintain robust security controls including access management, encryption and auditing to meet compliance and government security requirements Develop and maintain ...

CDNs for Real Time data synchronization. Configure and optimize Algolia search , including indexing strategies and fallback mechanisms. Ensure compliance with performance, security, and scalability standards. Support incident resolution, performance tuning, and stability improvements during staging, go-live, and hypercare phases. Work with MuleSoft or similar tools … tools. Experience with Algolia search configuration and optimization. Familiarity with integrating enterprise systems (PIM, OMS, SAP CRM). Understanding of CI/CD pipelines , performance tuning, and cloud deployment. Excellent problem-solving and communication skills. ...

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 ...

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 ...

technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost-optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

shell scripts for automation, job scheduling, and data processing Perform data analysis, mapping, and transformation for complex data sources Ensure data quality, integrity, and performance optimisation across ETL processes Collaborate with business and technical teams to translate requirements into scalable data solutions Support testing, deployment, and production support activities …/SQL) Proficiency in UNIX/Linux shell scripting Proven experience working in Data Warehouse/ETL environments Experience in data integration, transformation, and performance tuning Strong understanding of ETL frameworks, data pipelines, and batch processing Desirable Skills Working knowledge of SAS (especially in ETL context) Experience ...

enterprise data platform that underpins business intelligence, reporting and analytics across the organisation. The successful candidate will be responsible for building scalable, high-performance data solutions within Snowflake , designing robust data architectures, and developing modern data pipelines that transform data into trusted, business-ready information. This role will work … enterprise data platform centred around Snowflake . Build and optimise scalable dimensional data models to support enterprise-wide reporting and analytics. Develop high-performance ELT pipelines and data transformation processes within Snowflake . Optimise Snowflake virtual warehouses for performance, scalability and cost efficiency. Design and maintain production-grade ...

Power BI semantic models, dashboards and reporting solutions for Risk Reporting, with particular focus on semantic model architecture, automated refresh processes, partitioning, governance and performance optimisation. Responsibilities: Designing and developing enterprise-grade Power BI reports, dashboards and scorecards. * Building and maintaining semantic models using dimensional modelling best practices. * Developing … Implementing Row-Level Security (RLS), governance controls and access management. * Supporting Power BI Premium/Fabric capacity management. * Troubleshooting refresh failures, gateway issues and performance bottlenecks. * Implementing CI/CD pipelines and deployment automation for Power BI assets. Skills & Experience: Essential * Expert Power BI Desktop and Power BI Service ...

integrated platforms such as Kafka, Confluent Cloud, ADLS, and other downstream systems. At a senior level, the role also contributes to platform optimization, performance tuning, cost efficiency, and governance enforcement, while supporting scalable and secure data platform operations in multi-cloud environments. Your role Act as Snowflake Platform … onboarding Required Strong experience with Snowflake platform administration Own day-to-day administration of Snowflake environments (databases, schemas, warehouses) Manage compute warehouses (scaling, performance, cost optimization) Ensure platform stability, availability, and operational efficiency Handle incident management, troubleshooting, and RCA Experience with Snowflake (schemas, RBAC, permissions), Azure (ADLS, PrivateLink, networking ...

replication strategies and partitioning models. Develop and optimise data models aligned to query patterns (denormalization ,partition key design, avoiding hotspots and wide partitions). Performance tuning: compaction strategies consistency levels, read/write path optimisation, JVM/GC tuning. Manager cluster operations: node additions/decommissions, repairs (node ...

deployment, management and optimisation of secure, highly available and scalable cloud infrastructure. Strong expertise in Azure Monitor , including monitoring strategy, log analytics, alerting, performance tuning and proactive incident management across cloud platforms. Extensive experience with Azure DevOps , delivering CI/CD pipelines, release automation, source control management ...

experienced PostgreSQL DBA with strong Azure database administration experience to support a database modernisation programme. Key requirements: Strong PostgreSQL DBA experience, including performance tuning, backup/recovery and high availability. Experience administering and optimising Azure-hosted database environments. Proven background delivering database migration and modernisation projects. Knowledge ...

designing, developing and supporting enterprise-scale Power BI semantic models , with a particular focus on semantic model architecture, automated refresh, dataset partitioning, governance and performance optimisation. You must have hands-on experience with: Enterprise Power BI semantic models Advanced DAX, semantic modelling and performance tuning VertiPaq, composite ...

virtualisation technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

virtualisation technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

provisioning and lifecycle activities using Red Hat Satellite. Create and maintain Shell/Bash scripts to automate operational tasks and system processes. Monitor system performance, troubleshoot issues and perform root cause analysis. Manage servers and platforms through the Linux command line interface. Support system upgrades, deployments and infrastructure improvements. … automation and configuration management. Experience managing virtualisation platforms, particularly KVM. Knowledge of Red Hat Satellite for patching, provisioning and lifecycle management. Strong troubleshooting and performance tuning skills across Linux environments. Experience supporting enterprise-scale production systems. Understanding of security, patch management and platform compliance requirements. Ability to work ...

maintain PL/SQL code, investigate system issues, document resolutions, and work closely with functional and technical teams to ensure the stability and performance of the finance platform. Key skills: * PL/SQL development * Agresso/Unit4 (On-Premise) * Finance systems and integrations * SQL troubleshooting and performance tuning ...

fraud detection platform.Collaborate: Work closely with application and middleware teams, ensuring seamless data integration and alignment with business goals.Optimise: Take ownership of keyspace design, performance tuning, and operational readiness of the data platform.Documentation: Produce essential design documentation and operational runbooks for effective knowledge transfer. What You'll Bring … related field.4-9 years of hands-on experience in NoSQL database engineering, specifically with Apache Cassandra.Proficiency in keyspace and table design, replication strategies, and performance tuning.Familiarity with Linux administration, CQL, and cluster operations.Experience in regulated environments, with a keen understanding of security measures. Join Us Today ...

platform. Collaborate: Work closely with application and middleware teams, ensuring seamless data integration and alignment with business goals. Optimise: Take ownership of keyspace design, performance tuning, and operational readiness of the data platform. Documentation: Produce essential design documentation and operational runbooks for effective knowledge transfer. What … years of hands-on experience in NoSQL database engineering, specifically with Apache Cassandra. Proficiency in keyspace and table design, replication strategies, and performance tuning. Familiarity with Linux administration, CQL, and cluster operations. Experience in regulated environments, with a keen understanding of security measures. Join Us Today ...

care about quality and know exactly what it means to ship highly reliable code. Bonus Points If You Have: Experience with load testing and performance tuning. iOS or Android development experience. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

VNets, NSGs, Load Balancers, VPN Gateway, ExpressRoute) * Palo Alto firewalls and security policies * Secure connectivity between on-prem and Azure * Network troubleshooting, optimisation and performance tuning * Strong understanding of cloud security best practices This is an initial contract role, fully remote, and has been assessed as Outside IR35. ...