1 to 25 of 61 Performance Tuning Jobs in the South East

Role Summary The ITO Linux Engineer (Level 3) is the Linux technical authority across DXC-managed customer environments, accountable for platform integrity, complex troubleshooting, performance optimisation and architectural improvements for mission-critical workloads. They design, validate and maintain secure OS baselines and oversee patching and vulnerability management to ensure … stability, security, performance and audit readiness in regulated environments. They own major Linux incidents and root-cause analysis, advising on clustering, high availability, disaster recovery configurations, kernel tuning, storage integrations and network dependencies. They automate operations using advanced shell scripting and infrastructure-as-code, approve high-risk changes ...

looking for an experienced Senior SQL Server Database Administrator to take full technical ownership of their SQL Server estate, driving the modernisation, scalability, performance and resilience of our database services across a hybrid cloud environment. This is a hands-on, senior technical role where you will be responsible … database architecture and design, working closely with agile development teams to influence technical decisions, challenge inefficient database code and promote best practices. From advanced performance tuning and disaster recovery to security governance and data lifecycle management, you will ensure our database services meet the highest standards of operational ...

looking for an experienced Senior SQL Server Database Administrator to take full technical ownership of their SQL Server estate, driving the modernisation, scalability, performance and resilience of our database services across a hybrid cloud environment. This is a hands-on, senior technical role where you will be responsible … database architecture and design, working closely with agile development teams to influence technical decisions, challenge inefficient database code and promote best practices. From advanced performance tuning and disaster recovery to security governance and data lifecycle management, you will ensure our database services meet the highest standards of operational ...

Mainframe Performance & Scalability SME London (Hybrid) | 6-Month Rolling Contract | Inside IR35 We are supporting a major financial services organisation seeking a highly experienced Mainframe Performance & Scalability SME to undertake a strategic assessment of a large-scale IBM Mainframe environment supporting critical pension administration services. This … senior consulting engagement focused on identifying performance bottlenecks, scalability constraints and future growth risks across IBM Z infrastructure, z/OS, Db2 and CICS environments. You will work closely with architecture, engineering and operations teams to assess current platform performance, analyse capacity trends and provide evidence-based recommendations ...

passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … technology landscape. This is an opportunity to become a technical authority for database infrastructure, helping shape the future of the database platform whilst improving performance, resilience, scalability and operational efficiency. A selection of your key responsibilities will include administering and optimising large-scale PostgreSQL environments, managing connection pooling ...

hands-on DBA with strong experience across legacy and modern SQL Server platforms, providing 2nd and 3rd line support, maintaining database availability, security and performance, and driving continual service improvement. Key Responsibilities Provide 2nd and 3rd line support across production, pre-production and development SQL Server environments. Administer … Groups. Lead database incident resolution, troubleshooting and root cause analysis. Manage backup, restore and disaster recovery arrangements, including resilience and failover testing. Perform database performance tuning, capacity management and optimisation. Maintain database security, access controls, auditing and compliance. Develop automation and scripting solutions using PowerShell and T-SQL. ...

market-leading SaaS platform 24x7. This is a true player-coach role: you'll set the long-term database strategy and standards, improve reliability, performance, and security across the estate, and line-manage and develop our existing DBA team. You'll be the senior technical authority for database architecture … strategy, standards, and roadmap for the database function across SQL Server, Azure SQL, and Cosmos DB. Get hands-on with a live production estate: performance tuning, configuration, backups, restores, disaster recovery, incident response, and release support. Right-size and optimise Azure SQL deployments across General Purpose, Business Critical ...

doing: Lead the strategy, standards and roadmap for 300+ production databases, predominantly SQL Server hosted on Azure. Provide hands-on database administration, performance tuning, monitoring and troubleshooting. Own backup, restore and disaster recovery processes, ensuring reliability and resilience. Optimise database performance, configuration, deployment processes and cost efficiency. … including deployment tiers and migration strategies. Proven ability to define database standards, strategy and long-term technical direction. Experience managing backups, disaster recovery, performance tuning and production releases in a 24/7 environment. ...

Scale the RDS Fleet: Ensure the reliability of our existing RDS footprint. You will use Terraform to maintain the databases and automate strategies for performance tuning Evolve Observability & Monitoring: Build deep, proactive monitoring and alerting for our global database fleet. You will leverage Java-based data collection pipelines … metrics platforms (Prometheus, Grafana, Dash0, Sentry, Humio) to detect performance regressions, slow queries, and health issues before they impact customers Fortify Business Continuity (BCP): Design and implement rigorous Business Continuity Planning and Disaster Recovery strategies. You will build Java-based automation that ensures data durability and rapid recovery across ...

scalable AI/HPC system designs, including compute, GPU configurations, high speed networking (InfiniBand/Ethernet), and storage architectures. Design, architect, and implement high-performance computing (HPC) and AI/ML infrastructure solutions, including GPU-accelerated clusters, high-speed storage, and low-latency networking. Lead … sales architecture through system integration, validation, and deployment in customer environments. Drive OEM server and appliance configuration, including BOM definition, firmware/BIOS tuning, thermal/power considerations, and manufacturability alignment. Work closely with manufacturing and integration teams to ensure system-level validation, rack integration, burn-in testing ...

level all key system flows, the services, partners, and teams in play, and how to actively debug an incident. Lead reliability engineering: resilience patterns, performance tuning, capacity planning. Facilitate post-incident reviews and track actions to completion. Use AI tools for automated alert correlation, root cause analysis … observability tools, alerting, logging, and distributed systems debugging. Experience managing and working with offshore support teams. Hands-on experience with reliability engineering: resilience patterns, performance tuning, capacity planning. Active use of AI tools for incident triage, automation, and runbook generation. Ability to understand complex system flows across multiple ...

side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

finance lending and savings accounts to a variety of customers. We are looking for an experienced Database Administrator to support the reliability, security and performance of our database estate. Working closely with our Lead Data Engineer, infrastructure teams and third-party DBA partner, you will help manage approximately … home. The role and what you’ll lead and deliver: This is a hands-on technical role where you will monitor database health, optimise performance, manage backup and recovery processes, investigate incidents and implement controlled database changes. You will also have the opportunity to contribute to the continued development ...

professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … workloads. Use Infrastructure as Code to create repeatable and maintainable environments. Support Docker and Kubernetes-based platform environments. Monitor platform services and investigate failures, performance issues and operational problems. Participate in incident investigation and root cause analysis . Support platform performance, scalability, resilience and availability improvements. Contribute ...

designee and is based in Banbury, UK.This position is the technical owner of Haas F1 Team's global networking estate, accountable for its availability, performance, security and continuous improvement. Acting as the design authority and senior escalation point for networking, the role ensures the network reliably underpins critical race … secure remote connectivity.* Maintain, optimise and secure network and security infrastructure, including routing, switching, firewalls, VPN, load balancing and network access control, ensuring performance, capacity, patching, resilience, backup and tested disaster recovery.* Embed secure-by-design principles and security controls into all network architecture and changes as standard, working ...

significant impact within an ambitious and innovative organization. This role owns the end-to-end lifecycle of database platforms - from architecture and design, through performance optimization and automation, to incident response and long-term scalability planning. The successful candidate will act as a technical authority for MySQL, partnering closely … databases can safely scale to meet high-traffic, data-intensive workloads. Key Responsibilities Database Architecture & Scalability Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads (>50k QPS). Design database solutions that support long-term data growth, fault tolerance, and operational simplicity. ...

Evaluate AWS-native services and recommend the most effective resilience and recovery solutions. Define and test recovery objectives, failover procedures, and operational readiness. Assess performance, scalability, availability, maintainability, and operational complexity of different SQL Server deployment patterns. Produce architectural designs, technical documentation, implementation plans, and operational runbooks. Collaborate closely …/DR solutions. Extensive experience with: Always On Availability Groups Failover Cluster Instances (FCI) Log Shipping Replication Technologies Deep understanding of SQL Server performance tuning and optimisation, including: Indexing strategies Storage optimisation I/O performance Concurrency management Wait statistics analysis Strong knowledge of networking principles supporting ...

translate requirements into scalable technical solutions and reusable datasets that deliver measurable business value. Continuous Improvement & Strategic Contribution: Identify opportunities to improve platform performance, scalability and cost efficiency, while contributing to engineering standards, roadmap initiatives and the long‐term growth of Primark’s Data & Analytics capabilities. What … Engineering Best Practices: Experience withdbtCloud ordbtCore, including model development, testing, documentation, lineage, deployment workflows, CI/CD and version control practices. Data Quality, Performance &Optimisation: Strong understanding of data quality, observability, operational monitoring and performance tuning, with a focus on delivering reliable, scalable and cost‐efficient data ...

data reconciliation, establish rollback plans, and deliver production runbooks and team support handovers. Required Experience & Skills 8+ years of Oracle DB development and SQL performance tuning. 5+ years in OAS/OBIEE and BI Publisher development. 5+ years in Python development for data extraction, transformation, and reporting automation. 3+ ...

systems Develop, test and support user-focused, reliable and maintainable software features, fixes and enhancements for downstream users and systems Maintain software quality, security, performance and coding standards, including validation, error handling, logging and quality controls Monitor application and app execution performance, and support the investigation, troubleshooting … established software engineering standards, best practices and development frameworks Support deployment, release and CI/CD activities for software and reporting solutions Assist with performance tuning of apps, services, database queries and reports Participate in code reviews, testing and continuous improvement initiatives Produce and maintain technical documentation Ensure ...

streams, workers) that handle retries, partial failure and back-pressure gracefully. Model data properly and tune the databases behind it – schema design, indexing, query performance, migrations, and scaling strategy. Apply caching, rate limiting and queuing to hit explicit performance and latency budgets. Integrate with AI pipelines and model … just implemented it. Proven experience designing and operating production APIs – versioning, security, documentation and automated testing. Solid grounding in relational database design, indexing, performance tuning and migrations (PostgreSQL or equivalent). Experience with asynchronous or event-driven architectures and the failure modes that come with them. Fluency with ...

systems to manage platform infrastructure and applications Improve reliability, quality, and time-to-market of our suite of software solutions Measure and optimize system performance, with an eye toward pushing our capabilities forward, getting ahead of customer needs, and innovating to continually improve Provide primary operational support and engineering … multiple large distributed software applications How will you make an impact? Gather and analyze metrics from both operating systems and applications to assist in performance tuning and fault finding Partner with development teams to improve services through rigorous testing and release procedures Participate in system design consulting, platform ...

growing international business. You will work closely with experienced operational, engineering and commercial professionals, helping to shape how data is used to improve performance, enhance customer support and drive business growth. Working closely with operational, engineering and commercial teams, you will develop KPI frameworks, dashboards and analytical tools that … solutions across CRM/ERP, telematics and operational systems. Key Responsibilities: Design, maintain and continuously improve KPI frameworks that provide clear visibility of business performance, trends and priorities. Develop interactive Power BI dashboards and reporting tools that enable data-driven decision-making across multiple departments. Create meaningful management reporting ...

estate. This is an exciting opportunity for a skilled infrastructure professional with specialist database administration expertise to take ownership of database availability, security, integrity, performance, maintenance, and recovery across a complex and evolving technology environment. Working closely with colleagues across Infrastructure, Operations, and third-party suppliers, you will help … practice implementation and support. Support business continuity and disaster recovery planning, testing, and documentation. Contribute to the Group's technical strategy and infrastructure roadmap. Performance Monitoring & Continuous Improvement Monitor database performance, availability, capacity, backup success, and security. Identify and resolve database bottlenecks, risks, vulnerabilities, and single points ...

data reconciliation, establish rollback plans, and deliver production runbooks and team support handovers. Required Experience & Skills 8+ years of Oracle DB development and SQL performance tuning. 5+ years in OAS/OBIEE and BI Publisher development. 5+ years in Python development for data extraction, transformation, and reporting automation. 3+ ...