1 to 25 of 63 Contract Performance Tuning Jobs in England

and secure Oracle database environments on Red Hat Enterprise Linux (RHEL) as well as Azure and AWS cloud platforms. The ideal candidate will have strong expertise in Oracle administration, performance tuning, automation, and cloud-native deployments. Key Responsibilities Database Installation & Configuration Install, configure, and upgrade Oracle Database software on Red Hat Enterprise Linux (RHEL) systems. Configure and manage … lift-and-shift, storage integration). Security & Access Management Administer users, roles, privileges, and authentication. Implement encryption, auditing, and compliance controls. Apply quarterly CPU/RU patches across environments. Performance Monitoring & Tuning Monitor and analyse performance using: AWR (Automatic Workload Repository) - for gathering performance statistics and generating reports on system load. ASH (Active Session History) - for … real-time session-level performance diagnostics. ADDM (Automatic Database Diagnostic Monitor) - for automated analysis and tuning recommendations. OEM (Oracle Enterprise Manager) - for centralised monitoring, alerting, and automation. OS-level tools such as top, vmstat, sar, iostat, netstat, lsof, dstat, and systemd journal logs to diagnose CPU, memory, disk I/O, and network issues. Tune SQL, SGA/ More ❯

team members to drive key security objectives forward. You'll also be responsible for presenting findings and writing documentation tailored to both technical and business audiences. Query optimisation and Performance Tuning:Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure to maintain optimal functionality. Security Engineering:Contribute to … security compliance, including access controls, authentication, and encryption using Elastic Security features.- Ability to create, test, and optimise detection rules based on the MITRE ATT&CK Framework.- Experience in performance tuning with Elasticsearch and Logstash, including monitoring Logstash pipelines.- Proficiency in using Kibana for data visualisation and monitoring. Advantageous:- Familiarity with offensive testing frameworks and cloud services (public 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 ❯

components. Key Responsibilities Design, build and optimise Spark-based data pipelines for batch and streaming workloads Develop Fabric dataflows, pipelines, and semantic models Implement complex transformations, joins, aggregations and performance tuning Build and optimise Delta Lake/delta tables Develop secure data solutions including role-based access, data masking and compliance controls Implement data validation, cleansing, profiling and … documentation Work closely with analysts and stakeholders to translate requirements into scalable technical solutions Troubleshoot and improve reliability, latency and workload performance Essential Skills Strong hands-on experience with PySpark, Spark SQL, Spark Streaming, DataFrames Microsoft Fabric (Fabric Spark jobs, dataflows, pipelines, semantic models) Azure: ADLS, cloud data engineering, notebooks Python programming; Java exposure beneficial Delta Lake/Delta More ❯

Dashboard Development: Design and build interactive Tableau dashboards and reports to provide actionable insights for stakeholders. Data Engineering: Develop and maintain robust data pipelines, ensuring data integrity, scalability, and performance across multiple sources. Data Integration: Work with structured and unstructured data from various internal and external systems, applying ETL best practices. Collaboration: Partner with analysts, data scientists, and business … teams to understand requirements and deliver high-quality solutions. Performance Optimisation: Monitor and tune Tableau Server performance, ensuring efficient query execution and user experience. Governance & Security: Implement data governance standards and ensure compliance with Home Office security protocols. Essential Skills & Experience Proven experience in Tableau development (Desktop and Server) with strong visualisation and storytelling skills. Solid background in … SQL and experience with relational databases (e.g., Oracle, PostgreSQL, SQL Server). Familiarity with cloud platforms (AWS, Azure, or GCP) and data warehousing solutions. Strong understanding of data modelling, performance tuning, and best practices. Excellent communication skills and ability to work in a fast-paced, collaborative environment. Reasonable Adjustments: Respect and equality are core values to us. We More ❯

strong focus on Athena and S3-based data lakes. Key responsibilities: Develop and maintain SQL queries in AWS Athena for large-scale datasets Optimise data retrieval and ensure efficient performance across AWS environments Collaborate with stakeholders to translate business requirements into actionable insights Work with AWS services such as Glue, Lambda, and S3 for ETL and data processing Ensure … data security and governance standards Essential skills: Strong proficiency in SQL and AWS Athena Hands-on experience with AWS data services (Glue, S3, Lambda) Knowledge of data modelling and performance tuning Excellent analytical and problem-solving skills Ability to work within secure government environments Desirable: Experience with Python for data manipulation Familiarity with BI tools and reporting frameworks More ❯

guidance for storage architecture and operations within the OpenShift infrastructure migration project. This role will ensure that storage solutions are designed, implemented, and optimized to meet the bank's performance, scalability, and compliance requirements across multi-cloud, hybrid, or on-prem environments. Key Responsibilities: . Technical Leadership: o Define storage architecture strategy for OpenShift clusters and workloads. o Advise … on best practices for storage provisioning, performance tuning, and capacity planning. o Serve as the go-to expert for storage-related issues and escalations. . Design & Integration: o Collaborate with Infrastructure Engineers and OpenShift Architects to integrate storage solutions with compute and networking layers. o Ensure compatibility with containerized workloads and persistent storage requirements. . Performance & Optimization … o Conduct performance assessments and recommend improvements. o Implement high availability, redundancy, and disaster recovery strategies. . Compliance & Security: o Ensure storage configurations align with the bank's security and regulatory standards. o Implement encryption, access controls, and data protection measures. . Governance & Documentation: o Maintain detailed documentation of storage architecture, policies, and operational procedures. o Support audits and More ❯

using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing More ❯

using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing More ❯

and maintain streaming solutions for real-time data processing. Ensure compliance with banking security and regulatory standards. Collaborate with cross-functional teams to integrate Kafka into enterprise systems. Provide performance tuning, troubleshooting, and best practices guidance. Required Skills & Experience: Strong expertise in Apache Kafka and Confluent ecosystem (Connect, Schema Registry, KSQL, etc.). Hands-on experience with Kafka More ❯

modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯

modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯

This role focuses on designing, installing, and configuring enterprise-grade storage solutions that underpin OpenShift clusters across multi-cloud, hybrid, or on-prem environments. The engineer will ensure storage performance, scalability, and compliance with the bank's security and operational standards. Key Skills/requirements Storage Design & Implementation: Design storage architecture to support OpenShift clusters and workloads. Install and … configure storage systems (SAN, NAS, or cloud-based storage). Integrate storage with underlying infrastructure (VMs, networking, compute). Performance & Optimization: Ensure high availability, redundancy, and disaster recovery capabilities. Optimize storage performance for containerized workloads. Implement monitoring and alerting for storage health and capacity. Compliance & Security: Align storage configurations with the bank's security and regulatory requirements. Implement … . Strong knowledge of storage protocols (iSCSI, NFS, Fibre Channel). Familiarity with OpenShift, Kubernetes, and containerized environments. Understanding of backup, replication, and disaster recovery strategies. Excellent troubleshooting and performance tuning skills. Certifications in storage technologies or cloud platforms (AWS, Azure) preferred. All profiles will be reviewed against the required skills and experience. Due to the high number More ❯

This role focuses on designing, installing, and configuring enterprise-grade storage solutions that underpin OpenShift clusters across multi-cloud, hybrid, or on-prem environments. The engineer will ensure storage performance, scalability, and compliance with the bank's security and operational standards. Key Skills/requirements Storage Design & Implementation: Design storage architecture to support OpenShift clusters and workloads. Install and … configure storage systems (SAN, NAS, or cloud-based storage). Integrate storage with underlying infrastructure (VMs, networking, compute). Performance & Optimization: Ensure high availability, redundancy, and disaster recovery capabilities. Optimize storage performance for containerized workloads. Implement monitoring and alerting for storage health and capacity. Compliance & Security: Align storage configurations with the bank's security and regulatory requirements. Implement … . Strong knowledge of storage protocols (iSCSI, NFS, Fibre Channel). Familiarity with OpenShift, Kubernetes, and containerized environments. Understanding of backup, replication, and disaster recovery strategies. Excellent troubleshooting and performance tuning skills. Certifications in storage technologies or cloud platforms (AWS, Azure) preferred. All profiles will be reviewed against the required skills and experience. Due to the high number More ❯

current-state processes, define future-state vision, uncover requirements, constraints, and opportunities. Design end-to-end ServiceNow solutions and technical architectures that align with organizations strategic goals, considering scalability, performance, security, maintainability, integrations, data model, and user experience. Define roadmap(s) and solution intent/blueprints: translate business goals into architecture, technology decisions, module usage, platform configuration vs custom … owners to define platform strategy: instance strategy, environment strategy, upgrade/migration plans. Support presales/proposal efforts by scoping, estimating, and designing reference architectures. Participate in operational considerations: performance tuning, capacity planning, availability, disaster recovery, security compliance. Stay up to date with new ServiceNow features, modules, trends (e.g., AI/ML, data fabric, Now Assist), assess applicability … of IT best practices and frameworks : ITIL, Agile methodologies, DevOps, CI/CD practices. Strong problem-solving, analytical skills; ability to resolve technical trade-offs (e.g., custom vs. configuration, performance vs. maintainability). Excellent communication skills: ability to explain technical designs to business stakeholders, leadership, peers; also effective writing of architectural documentation. Certifications: ServiceNow Certified System Administrator (CSA) is More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl More ❯

data modelling skills (star/snowflake schema, optimisation, partitioning, clustering). Experience building dashboards using Looker Studio, Looker, Power BI, or Tableau . Proficiency working with large datasets and performance-tuning analytical queries. Strong communication skills with the ability to simplify complex data for non-technical stakeholders. Desirable Experience with Python for data analysis/ETL. Exposure to More ❯

DBT Cloud expertise, including models, macros, tests, documentation, and CI/CD integration. Hands-on experience developing and optimising in Snowflake Cloud Data Warehouse (schemas, warehouses, security, time travel, performance tuning). Familiarity with Snowflake cost monitoring, governance, replication , and environment management. Strong understanding of data modelling (star/snowflake schemas, SCDs, lineage). Proven Azure experience (Data More ❯

transformation! About the Role In this hands-on, technical position, you will take ownership of a significant portfolio of around 90 SSIS batch jobs. You'll dive deep into performance analysis, tackle existing technical debt, and implement best practises that will elevate our data operations. Your expertise will be crucial as we gear up for an exciting data warehouse … migration from New York to London in 2026! Key Responsibilities Analyse and optimise SSIS ETL pipelines and batch jobs. Improve SQL performance through effective indexing and execution plans. Identify and resolve locking and blocking issues to enhance efficiency. Apply best practises to boost overall warehouse performance. Work independently to drive optimisation initiatives. Collaborate with senior developers for insightful technical … on-prem) Data Warehousing and PowerBI is essential Strong SSIS development and optimisation experience is essential. Solid experience with SSAS and SSRS tools. Deep understanding of execution plans and performance tuning techniques. Strong troubleshooting and problem-solving skills. Proven history of improving complex ETL environments. Nice to Have Experience with C# for SSIS scripts. Proficiency in Python. Exposure More ❯

transformation! About the Role In this hands-on, technical position, you will take ownership of a significant portfolio of around 90 SSIS batch jobs. You'll dive deep into performance analysis, tackle existing technical debt, and implement best practises that will elevate our data operations. Your expertise will be crucial as we gear up for an exciting data warehouse … migration from New York to London in 2026! Key Responsibilities Analyse and optimise SSIS ETL pipelines and batch jobs. Improve SQL performance through effective indexing and execution plans. Identify and resolve locking and blocking issues to enhance efficiency. Apply best practises to boost overall warehouse performance. Work independently to drive optimisation initiatives. Collaborate with senior developers for insightful technical … on-prem) Data Warehousing and PowerBI is essential Strong SSIS development and optimisation experience is essential. Solid experience with SSAS and SSRS tools. Deep understanding of execution plans and performance tuning techniques. Strong troubleshooting and problem-solving skills. Proven history of improving complex ETL environments. Nice to Have Experience with C# for SSIS scripts. Proficiency in Python. Exposure More ❯

technology stack. Act as the technical authority for OpenShift, Kubernetes, and related containerization technologies. Design and implement scalable, secure, and compliant OpenShift solutions aligned with the bank standards. Conduct performance tuning, capacity planning, and optimization of OpenShift clusters. Develop and enforce best practices for CI/CD pipelines, DevOps workflows, and container security. Mentor engineering teams and provide More ❯

for card transaction processing, settlement, and authorization systems. o Integrate with core banking systems, payment gateways, and regulatory compliance frameworks. * System Analysis & Optimization: o Perform system analysis, troubleshooting, and performance tuning for high-volume transaction environments. * Compliance & Security: o Ensure adherence to PCI DSS, security standards, and regulatory requirements. * Collaboration & Governance: o Work closely with business analysts and More ❯

development and support. Implement solutions for card transaction processing, settlement, and authorisation systems. Integrate applications with core banking systems, payment gateways, and compliance frameworks. Conduct system analysis, troubleshooting, and performance tuning for high-volume transactional environments. Provide L2/L3 production support for critical systems, ensuring minimal downtime. Required Skills/Experience: The ideal candidate will have the More ❯

We are searching for one of our key clients for an Azure Cosmos DB Admin & Developer to drive the build-out of cloud-native, high-performance financial applications. This role sits at the sharp end of modern banking engineering, owning the design, optimisation, and operational excellence of Cosmos DB across mission-critical workloads. You will shape partitioning models, indexing … strategies, consistency models, and performance tuning while building reusable frameworks in C#/.NET or Node.js. Expect close collaboration with architects and DevOps to embed Cosmos DB into microservices, backed by robust CI/CD through Azure DevOps. This position offers genuine impact in a regulated, high-velocity technology environment. Key Skills: Azure Cosmos DB (SQL/Mongo … API), NoSQL modelling C#/.NET or Node.js Azure Functions, App Services, AKS, Logic Apps CI/CD with Azure DevOps Performance optimisation (Azure Monitor, App Insights) Distributed systems & concurrency patterns Please apply with an up-to-date CV that clearly matches the requirement. More ❯