1 to 25 of 45 Performance Tuning Jobs in the South East

Linux Engineer - Secure - on-site Hampshire

Location
Farnborough, England, United Kingdom
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 ...

Mainframe Performance SME

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£900.00 - £1,100.00 per day
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 ...

SQL DBA - Kingston - Hybrid - £85,000

Hiring Organisation
Ashdown Group
Location
Kingston Upon Thames, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Senior SQL Server DBA - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£90 - £98/hour
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. ...

Principal SQL Server DBA - Fully remote

Hiring Organisation
Interact Consulting Limited
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
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. ...

Solution Sales Engineer

Location
Reading, England, United Kingdom
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 ...

Database Reliability Engineer

Location
Southampton, England, United Kingdom
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 ...

Database Administrator – Basingstoke

Location
Basingstoke, England, United Kingdom
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 ...

Senior Network Engineer

Location
Banbury, England, United Kingdom
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 ...

Senior Data Engineer

Location
Reading, England, United Kingdom
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 ...

Senior Software Engineer

Location
Oxford, England, United Kingdom
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 ...

Senior Site Reliability Engineer

Location
Southampton, England, United Kingdom
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 ...

Implementation Consultant - Data Migration (12 months contract, UK remote)

Location
Reading, England, United Kingdom
cleansing, reconciliation and validation rules Run ETL operations ensuring accuracy, completeness and minimal service disruption Automate migrations using T-SQL and related tooling Tune performance through indexing, partitioning and query optimisation Identify migration risks and drive mitigation and remediation Support configuration of workflows, interfaces, payroll data and reports Ensure … CTEs, window functions, stored procedures) Indexing, partitioning and query optimisation Microsoft SQL Server and SSMS Database design, data modelling and normalisation Performance tuning and troubleshooting Migration planning, cutover and rollback approaches Requirements gathering and specification writing Strong analytical and numerical skills Client-facing communication and documentation Great ...

Infrastructure Engineer - Database Administration

Hiring Organisation
South Hampshire College Group
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£40,000
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 ...

SQL DBA (DV)

Hiring Organisation
Experis
Location
Reading, Berkshire, South East, United Kingdom
Server 2022. The Role You will be responsible for supporting and administering mission-critical SQL Server environments, ensuring high levels of availability, performance, security and resilience. Key responsibilities include: Administering and supporting SQL Server production, pre-production and development environments. Leading database incident resolution, root cause analysis and problem … Server patching, upgrades and migration projects. Managing high availability and disaster recovery solutions. Designing, implementing and testing backup and recovery procedures. Proactively monitoring and tuning database performance. Supporting application and development teams with deployments and releases. Maintaining database security, auditing and compliance standards. Producing technical documentation, operational procedures ...

Mid Infrastructure Engineer (Azure & Hybrid)

Location
Southampton, England, United Kingdom
expertise across hybrid cloud environments. As an Infrastructure Engineer, you will support and enhance both on-premises and cloud-based infrastructure, ensuring high availability, performance, and security across a hybrid environment. You will work across Microsoft on-premises infrastructure technologies, virtualisation platforms, and Azure services, contributing to both operational … where possible and helping prevent recurring incidents. You communicate clearly and keep relevant stakeholders informed. Continuous improvement: You proactively identify opportunities to improve infrastructure performance, security and efficiency, contributing to automation and the adoption of modern technologies and practices. Resilience and security: You support effective patching, maintenance, backup ...

Interim Data Migration Analyst (Salesforce, SQL)

Location
Reading, England, United Kingdom
lookup and master-detail), record types, and field types. Strong SQL Server and T-SQL skills, including stored procedures, joins across large data sets, performance tuning, and data quality checks. Experience with data extraction and loading tools for Salesforce (e.g., Data Loader, Bulk API, SSIS, Azure Data Factory … Agile delivery and tools such as Jira and Confluence. Be rewarded for your efforts We believe people should be paid based on their performance so our pay and benefits reflect this and are designed to attract the very best talent. We encourage everyone in our organisation to explore opportunities ...

Data Scientist

Location
Reading, England, United Kingdom
practices. Collaborate with stakeholders to understand data requirements and translate them into efficient and effective technical solutions. Optimise data systems and processes to improve performance, reliability, and scalability. Provide technical expertise and guidance on data science approaches, tools, and best practices. Support integration of multiple data sources to create … Data governance and quality assurance Problem-solving and analytical thinkingStakeholder engagement and technical communication, including at design forums where relevant Continuous improvement and innovation Performance tuning and optimisation People management Recruiter: Hollie Doran Role Level: Experienced Colleague Location: Kildean, Edinburgh, Reading What we offer: We’re dedicated ...

Senior Infrastructure Engineer (GCP) - Engine by Starling

Location
Southampton, England, United Kingdom
case studies with Women in Tech. As a Senior Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

SQL DBA - Azure

Location
Reading, England, United Kingdom
related issues and oversee application databases within the estate. Day to day, this will include Troubleshoot data-related issues, ensuring smooth business operations. Perform performance tuning and implement database backups for disaster recovery. Manage SQL Server Databases and develop databases for MI reporting. Create scripts for system integration … Design and implement Azure data protection features, overseeing application architecture suitability. Manage communication with infrastructure partner teams. Create and manage virtual networks with high performance and security levels. Continuously improve cloud-based solutions and define best practices for deployment and maintenance while ensuring optimal application performance and uptime. ...

Network/Wireless Engineer – L3

Location
Brighton, England, United Kingdom
analyzing, troubleshooting, and resolving network hardware and software connectivity issues. You will play a critical part in supporting network infrastructure, maintaining wireless technologies, optimizing performance, and providing network security solutions. The ideal candidate will have hands-on experience with network administration , wireless technologies , and routing/switching protocols . … ensure scalability, security, and reliability. Work on network design blueprints and participate in architecture review boards to provide recommendations on improving the network. Network Performance & Optimization: Monitor network performance continuously to detect bottlenecks and propose solutions to improve overall network efficiency. Conduct capacity planning to support future network ...

Senior Software Developer NEC Software Solutions UK

Location
Bracknell, England, United Kingdom
development of large applications using an Oracle database and toolset Solid PL/SQL skills, with experience of writing design specifications, problem solving and performance tuning Experience of technologies including XML, JSON, SOAP, REST, HTML and CSS is desirable. Experience with AI software development tools would ...

3rd Line Support Analyst

Location
Camberley, England, United Kingdom
users. Provide guidance and training to 1st and 2nd line support staff to enhance their technical skills and improve overall service quality. Monitor system performance, identify bottlenecks, and implement optimisations to ensure optimal operation of IT services. Coordinate with external vendors and service providers to resolve hardware and software … access and cyber threats. Assess current and future IT infrastructure needs, ensuring resources are available to meet the demands of the enterprise. Analyse service performance data, identify areas for improvement, and implement solutions to enhance service quality and efficiency. Ensure IT operations comply with industry standards and regulations ...

Staff Engineer Screening Operations and Logistics

Location
Bracknell, England, United Kingdom
quality, documentation and thoughtful use of AI-assisted engineering. Own end-to-end technical solutions for screening operations and logistics systems, ensuring reliability and performance at scale. Mentor and guide junior engineers on best practices in backend development, system design and code quality. Drive continuous improvement initiatives to optimize … system performance, reduce technical debt and enhance operational efficiency. Communicate technical decisions and architectural trade-offs clearly to both technical and non-technical stakeholders. What You Bring Demonstrable experience in Python or Java backend engineering Demonstrable experience in software architecture and integration patterns Demonstrable experience in AI-assisted engineering ...

S/4 Senior Basis Consultant

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
Role As an S/4 Senior Basis Consultant, you will design, implement, and maintain complex SAP S/4HANA systems, ensuring high performance, availability, and alignment with enterprise architecture standards. You will lead technical teams across system administration, database management, cloud migration, and integration strategy to deliver robust … technical architecture, installation, configuration, and maintenance of SAP S/4HANA, SAP HANA databases, and associated SAP cloud and on-premise components. Manage system performance tuning, high availability/disaster recovery setup, and lifecycle upgrades/system copies across complex landscape topologies. Collaborate with cloud providers (AWS, Azure ...