1 to 25 of 551 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 ❯

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

Senior Oracle Database Administrator (DBA) to join our IT infrastructure team The ideal candidate will have extensive hands-on experience managing large-scale Oracle environments, ensuring high availability, security, performance tuning, and disaster recovery for mission-critical databases. Key Responsibilities: Administer, monitor, and maintain Oracle databases (12c, 19c, and newer) across development, test, and production environments.Performdatabase installation, configuration … upgrades, migrations, and patch management.Optimize database performance throughquery tuning, indexing, and resource management.Implement and maintainbackup, recovery, and disaster recovery strategies (RMAN, Data Guard, GoldenGateManageuser access, roles, and database security policies.Collaborate with application teams to design efficientdatabase schemas and data models.Automate administrative tasks usingPL/SQL, Shell scripting, and Python where applicable.Support 24x7 production environments and participate in on … junior DBAs and developers. Required Qualifications: 15+ years of overall IT experience, with10+ years in Oracle database administration.Strong knowledge ofOracle RAC, ASM, Data Guard, and OEM Cloud Control.Expertise in performance tuning, capacity planning, and troubleshooting.Solid understanding ofUnix/Linux environments, including scripting.Experience with Oracle Cloud Infrastructure (OCI) or AWS RDS for Oracle preferred.Proficiency inSQL, PL/SQL, and More ❯

leading Data & AI Regulatory Risk provider on a mission to optimise and stabilise their MS SQL platform. We're looking for technically strong SQL DBAs with a passion for performance tuning and system reliability. What You'll Do: Review and enhance existing database architecture Optimise performance and stability to meet scale forecasts Identify improvement opportunities across on … prem and Azure SQL environments Apply your expertise to performance tuning, availability, and configuration You'll Bring: Proven experience as an MS SQL DBA (On-Prem and Azure) Deep knowledge of SQL performance management and tuning Strong grounding in configuration and availability best practices Additional Info: Basic clearance checks required If you're an experienced SQL 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 ❯

to manage our SQL Server environment and Azure SQL Data Warehouse. This is a fantastic opportunity for a SQL Database Administrator who enjoys tackling complex database challenges and improving performance and efficiency.What you’ll be doing: Administering, monitoring, and maintaining Microsoft SQL Server databases as a SQL Database Administrator Supporting Azure PaaS databases, including Azure SQL and Managed Instances … Managing backups, restores, and recovery models Implementing and maintaining High Availability (HA) and Disaster Recovery (DR) solutions Troubleshooting database connection issues, including server firewall, proxy, and networking challenges Performing performance tuning and optimisation (PTO) to keep systems running at their best Advising, rearchitecting, and tuning existing databases for improved performance and cost savings Managing Database Access … with Database Server Security Patch Management Strong experience with Azure SQL Data Warehouse and ETL/data pipelines (ADF) Proficiency in Database Access Management Expertise in SQL Server Administration, Performance Tuning & Optimisation Experience with backups, restores, and recovery models Knowledge of High Availability (HA) and Disaster Recovery (DR) solutions Ability to support Azure PaaS databases (Azure SQL, Managed More ❯

to manage our SQL Server environment and Azure SQL Data Warehouse. This is a fantastic opportunity for a SQL Database Administrator who enjoys tackling complex database challenges and improving performance and efficiency. What you’ll be doing: Administering, monitoring, and maintaining Microsoft SQL Server databases as a SQL Database Administrator Supporting Azure PaaS databases, including Azure SQL and Managed … Managing backups, restores, and recovery models Implementing and maintaining High Availability (HA) and Disaster Recovery (DR) solutions Troubleshooting database connection issues, including server firewall, proxy, and networking challenges Performing performance tuning and optimisation (PTO) to keep systems running at their best Advising, rearchitecting, and tuning existing databases for improved performance and cost savings Managing Database Access … with Database Server Security Patch Management Strong experience with Azure SQL Data Warehouse and ETL/data pipelines (ADF) Proficiency in Database Access Management Expertise in SQL Server Administration, Performance Tuning & Optimisation Experience with backups, restores, and recovery models Knowledge of High Availability (HA) and Disaster Recovery (DR) solutions Ability to support Azure PaaS databases (Azure SQL, Managed More ❯

to manage our SQL Server environment and Azure SQL Data Warehouse. This is a fantastic opportunity for a SQL Database Administrator who enjoys tackling complex database challenges and improving performance and efficiency. What you’ll be doing: Administering, monitoring, and maintaining Microsoft SQL Server databases as a SQL Database Administrator Supporting Azure PaaS databases, including Azure SQL and Managed … Managing backups, restores, and recovery models Implementing and maintaining High Availability (HA) and Disaster Recovery (DR) solutions Troubleshooting database connection issues, including server firewall, proxy, and networking challenges Performing performance tuning and optimisation (PTO) to keep systems running at their best Advising, rearchitecting, and tuning existing databases for improved performance and cost savings Managing Database Access … with Database Server Security Patch Management Strong experience with Azure SQL Data Warehouse and ETL/data pipelines (ADF) Proficiency in Database Access Management Expertise in SQL Server Administration, Performance Tuning & Optimisation Experience with backups, restores, and recovery models Knowledge of High Availability (HA) and Disaster Recovery (DR) solutions Ability to support Azure PaaS databases (Azure SQL, Managed More ❯

enrichment, and mapping activities to ensure zero fallouts. • Manage execution of data migration cycles, unit test migration. • Work closely with business functions to maintain data integrity and accuracy, suggest performance tuning/optimal way to reduce fallouts while maintaining data quality. • Publish execution reports to stakeholders. • Ensure successful migration from source to target system and obtain data sanity … sign-off post cut-over • Professional experience required on SQL, PLSQL, Siebel EIM, Siebel Admin. • Good understanding on Siebel EIM performance tuning. • Deep understanding on Siebel EIM methods. • Develop PLSQL packages and performance tuning. • Demonstrated experience creating data models for application operations and performance requirements. • Deep understanding of query performance tuning • Deep understanding of Packages 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 ❯

efficient data solutions. Data Quality Assurance: Implement checks and monitoring processes to ensure accuracy and reliability. Documentation: Maintain detailed technical documentation for data architectures, pipeline designs, and operational procedures. Performance Tuning: Analyse and optimize workflows for performance and cost efficiency. Innovation: Stay current with emerging technologies and best practices to continuously improve our data engineering capabilities. What … with SSAS cubes, Azure-based data pipelines, and containerization technologies. Must have a full UK Driving Licence and access to your own vehicle. Desirable: Familiarity with DAX Studio for performance tuning and query diagnostics. Strong proficiency in DAX (Data Analysis Expressions) for creating complex measures, calculated columns, and tables Background in retail, hospitality, or gaming/gambling sectors. More ❯

Primarily, this position will provide senior-level support and guidance to our Child Care team, including mentoring Child Care developers on schema and query design, execution-plan review/tuning, and security best practices. In addition to this, this position will assist (at a senior-level) with the support, maintenance, security, and availability of the agency's SQL Server … other application teams, while prioritizing Child Care commitments. Designs, develops, implements, and maintains database, procedures, and functions that accommodate changing business priorities and technological changes while ensuring availability, scalability, performance, recoverability, reliability, and security. Acts as liaison for SQL Server database performance, integration, migration, upgrade, storage, and replication strategies. Performs SQL Server performance tuning: waits/… hours or weekend maintenance as needed. Perform other duties as assigned. Required skills (rank in order of importance): Database Administration Expert 6+ Years Backup/Recovery Expert 6+ Years Performance Tuning Expert 6+ Years RDBMS Expert 6+ Years SQL Server Expert 6+ Years T-SQL Expert 6+ Years Failover Clusters Expert 2-4 Years High-Availability Expert 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 ❯

queries for data persistence Ensure application scalability and reliability in cloud-hosted Linux based environment Collaborate with DevOps to containerize services and deploy using CI/CD pipelines Conduct performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you Strong hands-on experience with Core Java and … multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning) Deep SQL knowledge and query optimization in Oracle database Solid understanding of messaging technologies … receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Note: this page contains a description of More ❯

and platform transformation. About the Role As a Senior Software Engineer, you’ll work across both application and data layers, with a strong focus on SQL, ETL, data pipelines, performance tuning, and system integrations. You’ll play a key role in shaping our future architecture, modernising legacy systems, and driving improvements in quality, performance, and scalability. This … Bus Serverless) If you love hands-on coding, owning delivery, and mentoring others, this could be the role for you. Key Responsibilities Engineering & Delivery Develop complex SQL stored procedures, performance-tuned queries, and optimise data models Design and build scalable, secure applications using C# and .NET Build and enhance data pipelines and integrations using Azure Data Factory/DataBricks … quality software at pace Refactor and re-platform legacy data centric components into modern, cloud-first services Data Engineering Drive ETL development, data ingestion, and transformation pipelines Improve database performance and optimise slow-running queries across large datasets Introduce automation and quality improvements to database change processes Leadership Path Mentor junior and mid-level engineers Contribute to engineering standards 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 ❯

Provide hands-on guidance to data engineering teams on complex technical challenges Conduct architecture reviews and design authority for data solutions Mentor engineers on best practices in data modeling, performance optimization, and cloud architecture ESSENTIAL SKILLS: Data Modeling expertise - Star schema, dimensional modeling, Data Vault, logical/physical design Snowflake Cloud Data Platform - Architecture design, performance tuning … solution design (6-12+ years experience) Data warehouse and data lake architecture patterns Migration and modernization programmes (on-prem to cloud) Data governance frameworks (security, lineage, quality, cataloging) Performance tuning and cost optimization strategies More ❯

a new platform. Actively participate in release planning, daily stand up as well as working & helping team with tactical activities like PL/SQL, ETL Development, maintenance, code review, performance tuning, bug fix, troubleshooting production incidents, design optimization etc. Recommending and following the best engineering practices. Building quality solutions that align with the technology blueprint and best practices … to solve business problems by driving design, development, and ongoing support. Strong in Oracle and postgress database Concepts. Hands-on Development in SQL/PL SQL which includes performance tuning, writing packages, stored procedures, troubleshooting skills etc. Hands on experience developing complex reports in PowerBI and OAS. Should have some exposure to Data modeling so that they can … contribute in terms of redesigning of database objects, especially during performance issues. Hands-on Development experience in Informatica PowerCenter. Exposure to Control M, Source Tree Having knowledge in cloud concepts (Aws/Azure), snowflake, data lake is preferred. Excellent communications and interpersonal skills. Good Email Communication and handshake/Status call etiquettes. Having knowledge in cloud concepts, snowflake, data 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 ❯

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 ❯

scale? Join a high-performing engineering team building cloud-native platforms used by millions. This is your opportunity to shape infrastructure strategy, modernise legacy systems, and deliver resilient, high-performance solutions using cutting-edge Azure and .NET technologies. 🌟 Your Mission As a Senior Infrastructure Engineer, you'll: Design and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform … Optimise .NET application stacks for performance, scalability, and reliability Implement observability tools to monitor and maintain system health Lead automation and CI/CD initiatives using Azure DevOps Drive cloud-native transformation , including migration from Windows VMs to Azure Web Apps, containers, and Kubernetes Own the Azure estate - from roadmap planning to hands-on delivery This role is ideal … building platforms from the ground up or leading major cloud migrations. 🧠 What You Bring 5+ years of hands-on experience with Azure infrastructure Strong knowledge of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

scale? Join a high-performing engineering team building cloud-native platforms used by millions. This is your opportunity to shape infrastructure strategy, modernise legacy systems, and deliver resilient, high-performance solutions using cutting-edge Azure and .NET technologies. Your Mission As a Senior Infrastructure Engineer, you'll: Design and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform … Optimise .NET application stacks for performance, scalability, and reliability Implement observability tools to monitor and maintain system health Lead automation and CI/CD initiatives using Azure DevOps Drive cloud-native transformation , including migration from Windows VMs to Azure Web Apps, containers, and Kubernetes Own the Azure estate - from roadmap planning to hands-on delivery This role is ideal … building platforms from the ground up or leading major cloud migrations. What You Bring 5+ years of hands-on experience with Azure infrastructure Strong knowledge of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯