1 to 25 of 872 Performance Tuning Jobs

As our technology footprint expands, we are seeking an experienced Senior Cloud & Systems Administrator to join our IT team. This role is critical in ensuring the stability, security, and performance of our infrastructure while driving forward new initiatives in cloud, virtualization, data platforms, and enterprise security. Position Overview The Senior Cloud & Systems Administrator will be responsible for managing, maintaining … services. •Implement and maintain enterprise security measures, including Entra ID configurations, Conditional Access policies, multi-factor authentication (MFA), and other identity security controls. •Administer Microsoft SQL Server environments, including performance tuning, backup strategies, query troubleshooting, and optimization. •Provide day-to-day administration and configuration of Microsoft Fabric for data platform and analytics needs. •Develop, maintain, and test backup … strategies to ensure data integrity and business continuity. •Support SaaS applications and integrations, ensuring secure connectivity, data flow, and user access alignment with company standards. •Proactively monitor systems for performance and reliability issues, applying corrective actions as needed. •Assist in planning and executing infrastructure upgrades, migrations, and integrations. •Collaborate with cross-functional teams to support business applications and IT More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you’ll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you’ll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You’ll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years’ experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

experienced Mainframe CICS Engineer to join a global technology infrastructure team supporting large-scale, mission-critical financial systems. The ideal candidate will have deep technical expertise in CICS administration, performance tuning, and troubleshooting within a 24x7 Sysplex and CICSPlex environment. This role is fully remote and requires hands-on experience with CICS system engineering, CICSPlex SM, and related … performance management tools. Candidates should be capable of handling complex production issues independently, including on-call responsibilities across global teams. Key Responsibilities Manage and maintain CICS environments in a large-scale, 24x7 Sysplex/CICSPlex infrastructure. Perform system and software maintenance, configuration, and tuning for high availability and performance. Conduct problem determination, dump analysis, and root cause resolution … for production issues. Support software upgrades and maintenance using SMP/E. Analyze and optimize CICS parameters for performance and reliability across multiple regions. Monitor and analyze CICS SMF records using CICS Performance Analyzer and other monitoring tools. Collaborate with global operations and development teams across the US, UK, and Asia. Provide on-call support on a rotational More ❯

across on-premises and cloud platforms . The ideal candidate will have a strong understanding of PostgreSQL architecture, clustering technologies, and migration strategies, along with hands-on experience in performance tuning, backup/recovery, and disaster recovery procedures. Key Responsibilities: Database Administration: Install, configure, and maintain PostgreSQL databases in production and non-production environments. Perform database refresh activities … between environments as required. Execute patching and upgrade activities to ensure databases remain secure, stable, and up to date. Architecture & Performance: Demonstrate a good understanding of PostgreSQL database architecture, including memory management, indexing, and query optimization. Handle performance issues by analyzing query execution plans, tuning configurations, and implementing best practices. High Availability & Clustering: Implement and manage repmgr … Database Administrator in enterprise environments. Strong knowledge of PostgreSQL architecture, including WAL, MVCC, and vacuum processes. Hands-on experience with repmgr clustering, failover handling, and node recovery. Expertise in performance tuning, query optimization, and troubleshooting. Experience with migration strategies from on-premises to cloud platforms. Familiarity with Google Cloud or Azure database services. Proficiency in backup, recovery, and More ❯

development team. This is a remote-first role. About The Role As the Lead Developer of the Document Automation Portal, you will: Lead by Example: Write clean, maintainable, high-performance code in the latest versions of .NET Core and Angular, while setting the technical direction for the team. Own Team Delivery: Take accountability for the work of a … person development team, ensuring timely, high-quality delivery against sprint and release goals. Mentor & Manage: Provide technical guidance, coaching, and feedback to your team. Lead performance reviews, workload planning, and ensure professional development. Recruit & Grow Talent: Drive interviewing and hiring for the Document Automation Portal team, ensuring we attract and retain top engineering talent. Architect Solutions: Apply modern architectural … patterns and design principles to ensure scalability, security, and sustainability of the platform. Optimize Performance: Apply deep expertise in performance tuning across both applications and databases. Lead AI Integration: Champion the thoughtful use of AI-assisted coding tools, ensuring they enhance productivity without compromising quality, maintainability, or security. Deliver Resilient Cloud Solutions: Engineer solutions using Azure services More ❯

and Power BI services—all managed using modern DevOps and Infrastructure as Code (IaC) practices with Terraform. You’ll act as a technical leader across key areas such as performance tuning, automation, monitoring, migrations, CI/CD, and Azure Landing Zone (ALZ) adoption. You’ll also collaborate closely with cross-functional teams to support ongoing cloud transformation while … observability tools such as Azure Monitor, Log Analytics, and custom dashboards. Write and optimise Kusto Query Language (KQL) queries for diagnostics and analytics. Support, Troubleshooting & Leadership Provide expert-level performance tuning, query optimisation, and incident troubleshooting. Lead SQL Server upgrades, migrations, and implementation of disaster recovery (DR) and high availability (HA) solutions. Conduct annual disaster recovery testing across More ❯

and Power BI services—all managed using modern DevOps and Infrastructure as Code (IaC) practices with Terraform. You’ll act as a technical leader across key areas such as performance tuning, automation, monitoring, migrations, CI/CD, and Azure Landing Zone (ALZ) adoption. You’ll also collaborate closely with cross-functional teams to support ongoing cloud transformation while … observability tools such as Azure Monitor, Log Analytics, and custom dashboards. Write and optimise Kusto Query Language (KQL) queries for diagnostics and analytics. Support, Troubleshooting & Leadership Provide expert-level performance tuning, query optimisation, and incident troubleshooting. Lead SQL Server upgrades, migrations, and implementation of disaster recovery (DR) and high availability (HA) solutions. Conduct annual disaster recovery testing across More ❯

and Power BI services—all managed using modern DevOps and Infrastructure as Code (IaC) practices with Terraform. You’ll act as a technical leader across key areas such as performance tuning, automation, monitoring, migrations, CI/CD, and Azure Landing Zone (ALZ) adoption. You’ll also collaborate closely with cross-functional teams to support ongoing cloud transformation while … observability tools such as Azure Monitor, Log Analytics, and custom dashboards. Write and optimise Kusto Query Language (KQL) queries for diagnostics and analytics. Support, Troubleshooting & Leadership Provide expert-level performance tuning, query optimisation, and incident troubleshooting. Lead SQL Server upgrades, migrations, and implementation of disaster recovery (DR) and high availability (HA) solutions. Conduct annual disaster recovery testing across More ❯

database solutions to support large-scale migration and modernization initiatives. Key Responsibilities Lead and manage end-to-end DB2 to PostgreSQL migration projects. Design and architect PostgreSQL databases for performance, scalability, and reliability. Conduct performance tuning , query optimization , and manage replication strategies. Develop and maintain backup and recovery procedures. Collaborate with cross-functional teams to ensure database … Minimum 14 years of total experience in database architecture and administration. At least 5 years of hands-on experience with DB2 to PostgreSQL migrations . Strong knowledge of PostgreSQL performance tuning and replication . Proven experience with backup, recovery, and disaster recovery planning . Familiarity with cloud-based PostgreSQL environments (AWS RDS/Aurora) . Excellent collaboration and More ❯

database solutions to support large-scale migration and modernization initiatives. Key Responsibilities Lead and manage end-to-end DB2 to PostgreSQL migration projects. Design and architect PostgreSQL databases for performance, scalability, and reliability. Conduct performance tuning , query optimization , and manage replication strategies. Develop and maintain backup and recovery procedures. Collaborate with cross-functional teams to ensure database … Minimum 14 years of total experience in database architecture and administration. At least 5 years of hands-on experience with DB2 to PostgreSQL migrations . Strong knowledge of PostgreSQL performance tuning and replication . Proven experience with backup, recovery, and disaster recovery planning . Familiarity with cloud-based PostgreSQL environments (AWS RDS/Aurora) . Excellent collaboration and More ❯

database solutions to support large-scale migration and modernization initiatives. Key Responsibilities Lead and manage end-to-end DB2 to PostgreSQL migration projects. Design and architect PostgreSQL databases for performance, scalability, and reliability. Conduct performance tuning , query optimization , and manage replication strategies. Develop and maintain backup and recovery procedures. Collaborate with cross-functional teams to ensure database … Minimum 14 years of total experience in database architecture and administration. At least 5 years of hands-on experience with DB2 to PostgreSQL migrations . Strong knowledge of PostgreSQL performance tuning and replication . Proven experience with backup, recovery, and disaster recovery planning . Familiarity with cloud-based PostgreSQL environments (AWS RDS/Aurora) . Excellent collaboration and More ❯

database solutions to support large-scale migration and modernization initiatives. Key Responsibilities Lead and manage end-to-end DB2 to PostgreSQL migration projects. Design and architect PostgreSQL databases for performance, scalability, and reliability. Conduct performance tuning , query optimization , and manage replication strategies. Develop and maintain backup and recovery procedures. Collaborate with cross-functional teams to ensure database … Minimum 14 years of total experience in database architecture and administration. At least 5 years of hands-on experience with DB2 to PostgreSQL migrations . Strong knowledge of PostgreSQL performance tuning and replication . Proven experience with backup, recovery, and disaster recovery planning . Familiarity with cloud-based PostgreSQL environments (AWS RDS/Aurora) . Excellent collaboration and More ❯

database solutions to support large-scale migration and modernization initiatives. Key Responsibilities Lead and manage end-to-end DB2 to PostgreSQL migration projects. Design and architect PostgreSQL databases for performance, scalability, and reliability. Conduct performance tuning , query optimization , and manage replication strategies. Develop and maintain backup and recovery procedures. Collaborate with cross-functional teams to ensure database … Minimum 14 years of total experience in database architecture and administration. At least 5 years of hands-on experience with DB2 to PostgreSQL migrations . Strong knowledge of PostgreSQL performance tuning and replication . Proven experience with backup, recovery, and disaster recovery planning . Familiarity with cloud-based PostgreSQL environments (AWS RDS/Aurora) . Excellent collaboration and More ❯

WellData is looking to recruit an enthusiastic, self-motivated and dynamic SQL Server Developer with at least 3 years' experience working with SQL Server, with in depth experience of Performance Tuning. The role is part magician and part juggler, you will need to be able to work your magic on the databases you have to work with and juggle … stakeholders WellData is a proactive employer when it comes to training, and it is available should it be required. Experience The following are essential: SQL Server design and development Performance Tuning PowerShell Azure including (Databases and Runbooks, Logic Apps, Data Factory) We are looking for someone who can expand the knowledge in our current team so experience of … week commencing 10th November which will be virtual Second interviews will be in person on 19th November Candidates with experience of; SQL Server Developer, Database Developer, Data Engineer, SQL Performance Tuning Specialist, Azure SQL Developer, BI Developer, ETL Developer also be considered for this role. More ❯

where you will help shape and support the systems that power our data-driven solutions. You'll work across physical and virtual environments, contributing to the reliability, scalability, and performance of our infrastructure, both on-premises and in the cloud. This is an exciting opportunity to be part of a collaborative and forward thinking team, where innovation and operational … excellence are key. Key Responsibilities Infrastructure Management Design, implement, and maintain scalable infrastructure across physical datacenters and cloud environments. Optimise resource utilisation, performance, and cost efficiency across virtual and physical systems. Lead VMware infrastructure operations including provisioning, performance tuning, snapshot management, and lifecycle maintenance across ESXi hosts and vCenter environments. Ensure effective VMware resource allocation and cluster … high availability and fault tolerance. Drive data center organisation and restructuring initiatives, including rack layout optimisation, cable management, hardware lifecycle planning, and environmental monitoring. Participate in capacity planning and performance tuning to support business growth and infrastructure scalability. Reliability & Monitoring Ensure high availability, security, and observability of systems through best practices in reliability and recoverability. Develop and maintain More ❯

database solutions in a microservices-based environment. As a member of our team, you will contribute to the full lifecycle of our data persistence layer, from schema design and performance tuning to ensuring robust replication, disaster recovery, and seamless integration within our cloud-native microservice ecosystem. Responsibilities: Design & Develop Database Solutions: Architect, design, and implement highly optimized relational … e.g., MySQL, PostgreSQL, AWS Aurora, SQL Server) and NoSQL (e.g., MongoDB, DynamoDB, Redis) database schemas, ensuring data integrity, performance, and scalability for microservices. Performance Optimization & Tuning: Proactively analyze and optimize complex queries, implement efficient indexing strategies, and manage partitioning/sharding to ensure peak database performance and handle high throughput. Reliability & Disaster Recovery : Design, implement, and … blueprints into robust, maintainable, and high-quality code, applying the latest best practices in software engineering. Required Skills/Experience: 6+ years in roles directly responsible for the availability, performance, and security of critical databases. Expertise in Database Technologies: Strong command of MySQL, PostgreSQL, AWS Aurora, SQL Server and experience with MongoDB, DynamoDB, or Redis, including schema design and More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You'll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years' experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years’ experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years’ experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years’ experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years’ experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices for high-volume, low-latency … are SingleStore, Rockset, TimescaleDB Key Responsibilities: Design and implement scalable data solutions within ClickHouse . Migrate existing SQL data models, ETL pipelines, and reporting layers to ClickHouse. Optimise query performance, data ingestion, and storage for high-frequency trading data. Collaborate with traders, quants, and data analysts to ensure alignment with business requirements. Integrate ClickHouse with surrounding systems, including trading … risk, and analytics platforms. Establish data quality controls, monitoring, and performance tuning best practices. Support the ongoing evolution of the data architecture and tooling ecosystem. Experience Required: 5+ years’ experience as a C# Engineer or ClickHouse Developer in trading or financial services. Expert-level SQL development and optimisation skills. Hands-on experience with ClickHouse (architecture, performance tuning More ❯

scripting, data transfers, and validation Perform routine health checks and troubleshooting during and after migrations Collaborate with senior DBAs, infrastructure, and application teams Execute test migrations and contribute to performance tuning and optimization Ensure high availability, disaster recovery, and security compliance throughout the migration process Maintain documentation and support incident resolution post-migration What You'll Need … backup/restore, always on, or log shipping) Proficiency in T-SQL and scripting for automation Working knowledge of SQL Server features like jobs, indexes, users/roles, and performance plans Experience supporting on-premises and/or hybrid environments Strong understanding of SQL Server tools: SSMS, SSIS, SSRS, and SQL Profiler Hands-on experience with database migration tools … and techniques Experience with cloud-based migration (e.g., Azure SQL, AWS RDS for SQL Server) Troubleshooting and performance tuning skills Good communication and documentation capabilities Willingness to learn and work in a team-oriented setting Ability to follow directions while also taking initiative when needed We are an equal opportunity employer. All aspects of employment including the decision More ❯