226 to 250 of 1,501 Performance Tuning Jobs in England

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

re now looking to appoint a UK-based Oracle Database Administrator (DBA) to support their UK SaaS platform. This is a technical, production-facing role focused on the stability, performance, and availability of enterprise-scale Oracle environments, running on Windows Server. Over time, the successful candidate will also have the opportunity to cross-skill into Microsoft SQL Server as … broader group’s infrastructure evolves. Key Responsibilities: Administer, monitor, and optimise Oracle databases supporting the UK platform Manage backup, recovery, upgrades, patching, and high availability configurations Support schema changes, performance tuning, and database-level troubleshooting Collaborate with development and support teams to resolve operational issues Document configurations and procedures to support continuity and knowledge sharing Participate in on … time Strong experience as a production Oracle DBA In-depth knowledge of Oracle 12c/19c, RMAN, and Oracle Enterprise Manager Strong SQL and PL/SQL development and tuning skills Experience running Oracle on Windows Server Sound understanding of security, backup, and high availability Excellent problem-solving and communication skills Interest in, exposure of, or experience with Microsoft More ❯

administration (AWS RDS experience is desirable) Production experience of running critical services on PostgreSQL In depth knowledge of high availability approaches, backup and recovery procedures as well as database performance tuning Experience with PowerShell or other scripting languages for automation Experience building and debugging database stored procedures, triggers and functions Experience of change management procedures and documentation of … administration (AWS RDS experience is desirable) Production experience of running critical services on PostgreSQL In depth knowledge of high availability approaches, backup and recovery procedures as well as database performance tuning Experience with PowerShell or other scripting languages for automation Experience building and debugging database stored procedures, triggers and functions Experience of change management procedures and documentation of More ❯

is an excellent opportunity for a highly skilled Siebel Developer looking to contribute to a dynamic and innovative team. If you are passionate about enterprise application development, integration, and performance optimisation, we encourage you to apply and be part of an exciting digital transformation journey. CGI was recognised in the Sunday Times Best Places to Work list 2024 and … play a crucial role in designing, developing, and maintaining enterprise-scale Siebel solutions. You will be responsible for supporting the full software development lifecycle (SDLC), ensuring seamless integration, optimal performance, and a robust Siebel infrastructure. Working within a multi-functional team, you will collaborate with developers, testers, and business analysts to gather requirements, assess technical feasibility, and implement solutions … this role, you will be expected to manage and optimise Siebel Dev and SIT environments, ensuring a smooth migration of changes from development to testing. You will contribute to performance tuning initiatives, identifying and resolving bottlenecks in online and batch integrations to enhance system reliability. A key aspect of your responsibilities will include troubleshooting and resolving Siebel interface More ❯

Establish and maintain sound backup and recovery policies and procedures Database design and implementation Implement and maintain database security (create and maintain users and roles, assign privileges) Perform database tuning and performance monitoring Perform application tuning and performance monitoring Setup and maintain documentation and standards Plan growth and changes (capacity planning) Work as part of a … database, related utilities and tools A good understanding of the underlying operating system A good knowledge of the physical database design Ability to perform both Oracle and operating system performance tuning and monitoring Knowledge of ALL Oracle backup and recovery scenarios A good knowledge of Oracle security management A good knowledge of how Oracle acquires and manages resources More ❯

improvement, they are now looking for a skilled SQL Developer to join their R&D team. This role offers the opportunity to shape the company’s SQL estate, optimise performance, and support data-driven decisions across the business. My client offers a supportive, open and informal working environment where every voice is heard. Whether you’re solving technical challenges … their regular team socials, you’ll be part of a business that values people just as much as product. Key Responsibilities Maintain and evolve the SQL Server estate, including performance tuning and optimisation Write, review and improve complex T-SQL queries, stored procedures, and database structures Support cross-functional teams with their data requirements Troubleshoot slow-running queries … and address performance bottlenecks Respond to and resolve support tickets ranging from basic updates to complex data merges Monitor database performance and proactively identify improvements Contribute to the development of data integrity processes and automation tools Skills and Experience 3+ years’ experience as a SQL Developer or in a similar data-focused role Advanced knowledge of Microsoft SQL More ❯

improvement, they are now looking for a skilled SQL Developer to join their R&D team. This role offers the opportunity to shape the company’s SQL estate, optimise performance, and support data-driven decisions across the business. My client offers a supportive, open and informal working environment where every voice is heard. Whether you’re solving technical challenges … their regular team socials, you’ll be part of a business that values people just as much as product. Key Responsibilities Maintain and evolve the SQL Server estate, including performance tuning and optimisation Write, review and improve complex T-SQL queries, stored procedures, and database structures Support cross-functional teams with their data requirements Troubleshoot slow-running queries … and address performance bottlenecks Respond to and resolve support tickets ranging from basic updates to complex data merges Monitor database performance and proactively identify improvements Contribute to the development of data integrity processes and automation tools Skills and Experience 3+ years’ experience as a SQL Developer or in a similar data-focused role Advanced knowledge of Microsoft SQL More ❯

improvement, they are now looking for a skilled SQL Developer to join their R&D team. This role offers the opportunity to shape the company's SQL estate, optimise performance, and support data-driven decisions across the business. My client offers a supportive, open and informal working environment where every voice is heard. Whether you're solving technical challenges … their regular team socials, you'll be part of a business that values people just as much as product. Key Responsibilities Maintain and evolve the SQL Server estate, including performance tuning and optimisation Write, review and improve complex T-SQL queries, stored procedures, and database structures Support cross-functional teams with their data requirements Troubleshoot slow-running queries … and address performance bottlenecks Respond to and resolve support tickets ranging from basic updates to complex data merges Monitor database performance and proactively identify improvements Contribute to the development of data integrity processes and automation tools Skills and Experience 3+ years' experience as a SQL Developer or in a similar data-focused role Advanced knowledge of Microsoft SQL More ❯

client is seeking a Security Cleared Oracle DBA to support its Financial Crimes & Fraud Prevention Division. This 12-month contract role (inside IR35) requires expertise in Oracle database administration, performance tuning, high-availability solutions, and regulatory compliance within a highly secure financial environment. The successful candidate will be responsible for managing and maintaining Oracle databases, ensuring system security … performance, and availability for critical fraud detection and transaction monitoring systems. Key Responsibilities - Install, configure, and maintain Oracle databases (12c, 19c, or later) supporting financial crime and fraud prevention platforms. - Optimize database performance, implement indexing strategies, and conduct query tuning. - Ensure data integrity, high availability (HA), and disaster recovery (DR) through Data Guard, RMAN, and GoldenGate. - Implement database … real-time monitoring and analytics tools. - Maintain detailed documentation, runbooks, and compliance reports. Required Skills & Experience - Strong experience as an Oracle DBA Engineer, responsible for database administration, security, and performance tuning. - Hands-on expertise with Oracle Enterprise Manager, RMAN, and SQL Developer. - Experience with high-availability solutions including Data Guard, RAC, and GoldenGate. - Understanding of database security best practices More ❯

Responsibilities Provide strategic and technical leadership for the design, implementation, and optimisation of IT infrastructure in line with a cloud-first strategy Oversee a team of engineers, driving accountability, performance, and continuous improvement Deliver infrastructure enhancements across cloud platforms, virtual environments, and on-premise systems Take ownership of operational processes including Major Incident Management, Change Management, Capacity Planning, and … Supplier Management Ensure system performance, availability, and security across the global infrastructure estate Collaborate with vendors, internal stakeholders, and project management teams to align technical initiatives with business objectives Lead the migration of on-premise workloads to cloud platforms (particularly AWS) Monitor and tune system performance; identify and resolve performance issues proactively Participate in the design and … standards including ISO 27001 and 20000 Required Skills & Experience 10+ years of experience in IT infrastructure, systems administration, and operations Proven leadership experience with the ability to drive team performance and deliver infrastructure improvements Broad expertise across Linux and Windows environments, virtualisation (VMware/Hyper-V), and networking (physical and virtual) Strong scripting and automation experience (e.g., PowerShell, Bash More ❯

Responsibilities Provide strategic and technical leadership for the design, implementation, and optimisation of IT infrastructure in line with a cloud-first strategy Oversee a team of engineers, driving accountability, performance, and continuous improvement Deliver infrastructure enhancements across cloud platforms, virtual environments, and on-premise systems Take ownership of operational processes including Major Incident Management, Change Management, Capacity Planning, and … Supplier Management Ensure system performance, availability, and security across the global infrastructure estate Collaborate with vendors, internal stakeholders, and project management teams to align technical initiatives with business objectives Lead the migration of on-premise workloads to cloud platforms (particularly AWS) Monitor and tune system performance; identify and resolve performance issues proactively Participate in the design and … standards including ISO 27001 and 20000 Required Skills & Experience 10+ years of experience in IT infrastructure, systems administration, and operations Proven leadership experience with the ability to drive team performance and deliver infrastructure improvements Broad expertise across Linux and Windows environments, virtualisation (VMware/Hyper-V), and networking (physical and virtual) Strong scripting and automation experience (e.g., PowerShell, Bash More ❯

international company specialized in asset management, financial advice and investment strategies, we are looking for a LEAD DEVELOPER to take ownership of the development and delivery of a high-performance electronic FX trading platform. The person will play a key role in leading a small but growing team of engineers, working closely with product leads, quant analysts, and trading … . Oversee code quality, review PRs, and manage release cycles. Design and implement core components of the trading engine (execution models, risk controls, etc.). Optimize system latency and performance (Java-based backend). Extend monitoring and analytics tools (Prometheus, Grafana, Python). Guide and mentor a diverse team of developers (junior to senior levels). Collaborate with stakeholders … platforms Proven leadership in driving complex technical projects Experience with FIX protocol, capital markets, or EFX platforms is a strong plus Solid knowledge of software architecture, automated testing, and performance tuning Excellent communication in English A balance of technical depth and emotional intelligence Tech Stack Languages: Java, Python Infrastructure & CI/CD: GitLab, CI pipelines Monitoring & Analytics: Prometheus More ❯