who will be responsible for implementation, support and maintenance of mission critical database environments. The administration of these environments includes clustering, storage, securing, monitoring, performancetuning, troubleshooting, and disaster recovery. This person will help manage and support current and future database and storage environments and initiatives, and proactively … up with the dynamic and growing business needs of DRW. Responsibilities: Proactively manage and optimize various database platforms and related OS environments Perform database performance and query tuning Implement and maintain production and non-production databases Perform database backups, restores, log shipping, mirroring and replication, etc. Work with … system engineering team on database server installations, configurations, system performancetuning and capacity planning Collaborate with development teams on database design, implementation and usage optimization Respond to production and business-critical issues and needs Position Requirements: 5+ years of production Oracle database engineering experience 5+ years of production More ❯
Mainframe Performance QA Engineer BCP Special Pool IRC248855 Job: IRC248855 Location: United Kingdom - London Designation: Lead Test Engineer Experience: 5-10 years Function: Quality Assurance Skills: DB2, IBM IMS, JCL, Performance testing/tuning, z/OS Work Model: Remote, Hybrid The client is a world-leading … years of hands-on experience: Good knowledge of IMS (log (IMS type 07 and Type 56FA) and ABEND analysis, DC Monitor (DFSUTR20), STROBE, Performance Analyzer, IMSASAP/GPAR, ability to read SYSUDUMPs, etc.) Performancetuning techniques: OS (z/OS,) Database (IMS, DB2) with focus on IMS … tuning Strong expertise in performance testing and tuning Strong technical QA experience Excellent skills in defining, documenting, and analyzing test strategy, test plan, test cases, and test results Excellent test case execution and troubleshooting skills Testing proficiency (release-specific testing, regression testing) Testing in a Waterfall environment More ❯
database solutions that support our enterprise applications and analytics systems. You will play a critical role in defining data strategy, ensuring scalability, security, and performance of SQL-based systems, and collaborating with cross-functional teams to support business goals. Key Responsibilities: Design, architect, and implement high-performance SQL … Server/Oracle/PostgreSQL solutions. Define data architecture standards and best practices for the organization. Develop complex queries, stored procedures, triggers, and performancetuning strategies. Lead the migration of legacy systems to modern data platforms (e.g., cloud-based SQL solutions). Collaborate with DevOps, application developers, BI … in SQL development, data architecture, or database administration. Expert knowledge of relational database systems like Microsoft SQL Server, Oracle, or PostgreSQL. Strong experience with performancetuning, indexing, and query optimization. Experience designing large-scale, distributed data systems in hybrid or cloud environments (e.g., Azure SQL, AWS RDS). More ❯
database solutions that support our enterprise applications and analytics systems. You will play a critical role in defining data strategy, ensuring scalability, security, and performance of SQL-based systems, and collaborating with cross-functional teams to support business goals. Key Responsibilities: Design, architect, and implement high-performance SQL … Server/Oracle/PostgreSQL solutions. Define data architecture standards and best practices for the organization. Develop complex queries, stored procedures, triggers, and performancetuning strategies. Lead the migration of legacy systems to modern data platforms (e.g., cloud-based SQL solutions). Collaborate with DevOps, application developers, BI … in SQL development, data architecture, or database administration. Expert knowledge of relational database systems like Microsoft SQL Server, Oracle, or PostgreSQL. Strong experience with performancetuning, indexing, and query optimization. Experience designing large-scale, distributed data systems in hybrid or cloud environments (e.g., Azure SQL, AWS RDS). More ❯
be responsible for designing, implementing, managing, and optimizing Azure SQL database environments. This role requires expertise in cloud-based database administration, high availability solutions, performancetuning, and security best practices. You will collaborate with development, infrastructure, and security teams to ensure efficient database operations that align with business … objectives. Main Duties and Responsibilities Design, implement, and maintain Azure SQL databases to support business applications. Monitor and optimize database performance, security, and availability. Configure and manage high availability and disaster recovery (HA/DR) solutions such as Always On Availability Groups. Perform database tuning, indexing, and query … . Expertise in database backup, recovery, and disaster recovery planning. Experience implementing security best practices, including RBAC, encryption, and auditing . Strong understanding of performancetuning techniques , including indexing strategies and query optimization. Familiarity with PowerShell scripting and Infrastructure as Code (IaC) tools such as Terraform or ARM More ❯
Senior Java Developer – High-Performance FX Trading We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution … while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists. Key Responsibilities: Application Development: Design, develop, and maintain high-performance FX Matching applications using Java. Apply event-driven architecture principles to create scalable and responsive systems. Conduct OS-level and Java performancetuning … efforts and maintain automated test frameworks. Promote secure coding practices and contribute to compliance and risk mitigation strategies. Key Requirements: Proven experience building high-performance systems for FX or similar financial trading applications. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Strong expertise in low More ❯
Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯
Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯
technologies. Scripting: SQL, PL/SQL, Shell, PowerShell. Tools: pgAdmin, SSMS, Oracle Enterprise Manager, AWS RDS, Azure SQL, etc. Backup solutions, monitoring tools, and performancetuning utilities. Minimum Qualifications: Degree or equivalent qualification; 2-3 years of Database Administration experience. Duties and Responsibilities: Database Management & Maintenance Install, configure … and upgrade database management systems (DBMS) such as Oracle, SQL Server, MySQL, PostgreSQL, etc. Perform routine maintenance including backups, updates, and patches. Monitor database performance and tune for efficiency (indexing, query optimization, etc.). Manage database storage and capacity planning. Security & Compliance Implement and manage database security policies including … recovery strategies. Perform regular data backups and test restoration procedures. Respond quickly to restore data in the event of a failure or breach. Monitoring & PerformanceTuning Monitor database activity and usage. Analyze slow-running queries and make recommendations for optimization. Use tools to track performance metrics and More ❯
maintaining data integrity and security. You will work closely with cross-functional teams to implement best practices in database modernisation, conversion and migration management, performancetuning, and capacity planning during migration processes. Key Responsibilities: Lead the planning and execution of Oracle database modernisation/conversion/migration, ensuring … in Oracle Exadata. Strong knowledge of Oracle Database architecture, features and tools. Experience with data migration methodologies and tools. Ability to design and implement performancetuning strategies for database optimization. Expertise in SQL and PL/SQL programming. Experience with backup/recovery strategies and disaster recovery planning. More ❯
maintaining data integrity and security. You will work closely with cross-functional teams to implement best practices in database modernisation, conversion and migration management, performancetuning, and capacity planning during migration processes. Key Responsibilities: Lead the planning and execution of Oracle database modernisation/conversion/migration, ensuring … in Oracle Exadata. Strong knowledge of Oracle Database architecture, features and tools. Experience with data migration methodologies and tools. Ability to design and implement performancetuning strategies for database optimization. Expertise in SQL and PL/SQL programming. Experience with backup/recovery strategies and disaster recovery planning. More ❯
committed to achieving net zero by 2040. Key Responsibilities Collaborate with the DBA team to optimize database queries and improve ETL job performance. Perform performancetuning of ETL processes to meet project requirements and deadlines. Troubleshoot and resolve issues related to ETL processes, data integration, and system performance. … Informatica PowerCenter (ETL tool) including designing and developing mappings, workflows, and sessions. Solid understanding of data modeling concepts and data warehousing. Practical experience on performancetuning techniques for ETL jobs. Excellent problem-solving skills and ability to work independently or in a team. Strong communication and documentation skills. More ❯
committed to achieving net zero by 2040. Key Responsibilities Collaborate with the DBA team to optimize database queries and improve ETL job performance. Perform performancetuning of ETL processes to meet project requirements and deadlines. Troubleshoot and resolve issues related to ETL processes, data integration, and system performance. … Informatica PowerCenter (ETL tool) including designing and developing mappings, workflows, and sessions. Solid understanding of data modeling concepts and data warehousing. Practical experience on performancetuning techniques for ETL jobs. Excellent problem-solving skills and ability to work independently or in a team. Strong communication and documentation skills. More ❯
eFX trading systems Java Developer +Hybrid working in London +6 months + +Inside IR35 +£500 - £600 a day Skills: + Low latency & high performancetuning +FX experience To support financial and technology teams in London responsible for the client's state of the art global electronic FX … experience of tools associated with Enterprise Java application development eg: BitBucket/Git Flow SonarQ TeamCity IntelliJ Jira Devops Containerisation Virtualisation Low latency & high performancetuning If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will More ❯
to work first hand with multiple stakeholders across different tech stack like Cloud, AI etc. Key responsibilities: Design & develop in JAVA on GCP Platform. Performancetuning and optimization. Exploring new capabilities and components & doing PoC for assessment. Debugging & troubleshooting. Your Profile Essential skills/knowledge/experience: Experience … programming Java + Camunda. Sound knowledge on JAVA, GCP and Camunda. Hands on experience on working on GCP Platform. Strong experiencing on designing, developing & performancetuning of applications. Strong debugging and troubleshooting capabilities. Desirable skills/knowledge/experience: Knowledge on development & deployment on GCP platform. Knowledge on More ❯
to work first hand with multiple stakeholders across different tech stack like Cloud, AI etc. Key responsibilities: Design & develop in JAVA on GCP Platform. Performancetuning and optimization. Exploring new capabilities and components & doing PoC for assessment. Debugging & troubleshooting. Your Profile Essential skills/knowledge/experience: Experience … programming Java + Camunda. Sound knowledge on JAVA, GCP and Camunda. Hands on experience on working on GCP Platform. Strong experiencing on designing, developing & performancetuning of applications. Strong debugging and troubleshooting capabilities. Desirable skills/knowledge/experience: Knowledge on development & deployment on GCP platform. Knowledge on More ❯
Experienced Professional Workplace Hybrid Your Responsibilities Responsible for managing and maintaining Lockton's database SQL estate, ensuring data integrity, security, and availability, while optimising performance and troubleshooting any issues that arise. Install, configure, and maintain SQL Server databases. Monitor system health and performance to ensure high levels of … performance, availability, and security. Perform database tuning and optimisation. Manage database backup and recovery processes. Experience of upgrading SQL versions. Implement and maintain database security (user roles, permissions, etc.). Troubleshoot and resolve database issues. Develop and maintain shell scripts for database management. Assist with database design and … Qualifications Requirements: Proven experience as a SQL Database Administrator. Strong knowledge of SQL Server (2014, 2016, 2017 and later versions). Experience with database performancetuning and optimisation. Familiarity with backup and recovery processes. Understanding of database security best practices. Experience with high-availability and disaster recovery options More ❯
Staff Software Engineer, GPU Performance, Core ML link Copy link corporate_fare Google place London, UK Advanced Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders;deep expertise in domain. Apply link Copy link Bachelor's degree or equivalent practical experience. 8 years of experience in … or Python). 5 years of experience with Machine Learning (ML) design and ML infrastructure (e.g., model deployment, model evaluation, data processing, debugging, fine tuning). Experience working with GPUs. Experience in a technical leadership role leading project teams and setting technical direction. Preferred qualifications: Master's degree or … Expertise in tailoring algorithms and ML models to exploit GPU strengths and minimize weaknesses. Knowledge of low-level GPU programming (CUDA, OpenCL, etc.) and performancetuning techniques. Understanding of modern GPU architectures, memory hierarchies, and performance bottlenecks. Ability to develop and utilize sophisticated performance models and More ❯
Server with minimal service disruption Integrate supplementary modules such as Workload Change Manager Workload Archiving and Workflow Insights into existing environments to maximize system performance System Health Monitoring Proactively manage the health of the Control M environment by continuously monitoring core components and identifying issues before they become service … impacting Utilize observability tools e.g. AppDynamics Splunk Thousand Eyes to analyze system performance and optimize operations Testing Deployment Develop and execute comprehensive functional and non functional test cases for major changes such as version upgrades or the deployment of new Control M Agent Plug Ins Employ scripting e.g. Python … conducting gap analyses facilitating knowledge sharing sessions and developing tailored training plans Troubleshoot and resolve production issues swiftly to maintain high system availability and performance Qualifications: Technical Expertise Demonstrable experience in upgrading and maintaining core Control M components In depth knowledge of Control M modules including Workload Change Manager More ❯
Server with minimal service disruption Integrate supplementary modules such as Workload Change Manager Workload Archiving and Workflow Insights into existing environments to maximize system performance System Health Monitoring Proactively manage the health of the Control M environment by continuously monitoring core components and identifying issues before they become service … impacting Utilize observability tools e.g. AppDynamics Splunk Thousand Eyes to analyze system performance and optimize operations Testing Deployment Develop and execute comprehensive functional and non functional test cases for major changes such as version upgrades or the deployment of new Control M Agent Plug Ins Employ scripting e.g. Python … conducting gap analyses facilitating knowledge sharing sessions and developing tailored training plans Troubleshoot and resolve production issues swiftly to maintain high system availability and performance Qualifications: Technical Expertise Demonstrable experience in upgrading and maintaining core Control M components In depth knowledge of Control M modules including Workload Change Manager More ❯
Inside IR35) This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
london, south east england, united kingdom Hybrid / WFH Options
Vallum Associates
system optimization. This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
system optimization. This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
system optimization. This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
