7 of 7 Performance Tuning Jobs in Hertfordshire

Senior Power BI Architect

Hiring Organisation
Persistent Systems
Location
Watford, England, United Kingdom
lead the design, development, and optimization of enterprise-scale BI solutions. This role requires deep technical expertise in Power BI, data modeling, and performance tuning, especially for large and complex datasets. The ideal candidate will be proficient in tools like DAX Studio, Tabular Editor, and Azure-based data … + Amazon QuickSight). Design and optimize complex data models using Tabular Editor and DAX Studio. • Manage and optimize very large datasets (VLDB) for performance and scalability. Collaborate with business stakeholders to gather requirements and translate them into technical solutions. Lead performance tuning, including DAX optimization ...

Oracle Database Administrator (DBA)

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Letchworth Garden City, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
annum depending on experience and skills. Job Summary We're seeking an experienced Oracle Database Administrator (DBA) to ensure the performance, availability, security, and integrity of mission-critical Oracle database environments for our client. This role combines proactive maintenance, incident resolution, and strategic improvements across on-premise and cloud … remotely, joining a collaborative technical team. Key Responsibilities Administer, configure, and maintain Oracle databases to ensure high availability and performance. Monitor database health and performance, identifying bottlenecks and tuning systems effectively. Perform backup, recovery, patching, and upgrade operations , including disaster recovery planning. Collaborate with development, infrastructure, and support ...

Oracle Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
migration and integration of databases across multi cloud database environments including Oracle Cloud AWS Azure and Google Cloud Ensure high availability scalability and performance of database systems Collaborate with cross functional teams to define and implement database solutions that meet business requirements. Requirements: Handson experience with migrating large database … with migrating database to ATPADW Design Database consolidation and reduce OPEX spending Provide technical leadership and mentorship to junior database architects and administrators Conduct performance tuning capacity planning and security assessments Stay updated with the latest advancements in database technologies and cloud offerings Implement and manage Exadata ...

Senior Infrastructure Engineer

Hiring Organisation
Nextech
Location
Hertford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
Responsibilities Design, implement and support on-premise and Azure-based infrastructure Manage servers, virtualised environments, storage (SAN/NAS) and network devices Monitor system performance, availability, backups and security Support disaster recovery and business continuity processes Respond to infrastructure incidents and contribute to continuous improvement Maintain technical documentation … Hands-on experience configuring and managing routers, switches, and firewalls. Experience with SAN (Storage Area Network) and NAS (Network Attached Storage) technologies, including provisioning, performance tuning, and backup strategies. Excellent written and verbal communication skills. Experience in configuring and managing LogicMonitor for infrastructure monitoring, including custom dashboard creation ...

Pyspark Engineer (AWS Glue) Stevenage / Hybrid £80k

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
processes and tools (Talend, Informatica, Matillion, Pentaho, MuleSoft, Boomi) or scripting using Python, PySpark, and SQL. Proficient-level SQL skills for complex query development, performance tuning, indexing, and data transformation across on-premise databases and AWS cloud environments. Solid understanding of data warehousing and modelling techniques (Star Schema ...

Security Engineer - MOD DV - Inside IR35

Hiring Organisation
Sanderson Government and Defence
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
servers. Elastic (Elastic Stack/Elastic Security): Hands-on with index lifecycle management (ILM), ingest pipelines, ECS mapping, transforms, and enrichment. Experience designing and tuning detection rules (KQL, EQL), response actions, case workflows, and Elastic Security posture features. Skilled in Fleet/Agent deployment, data stream design, and performance tuning at scale. Strong client management and relationship building experience SIEM experience with Splunk/Elastic Excellent analytical and problem-solving skills coupled with ability to assess complex situations, identify risks, and recommend effective solutions Proven hands-on experience operating Elastic Stack/Elastic Security and Splunk Enterprise ...

SIEM Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
retire, with version control and rollback. Automate workflows and configurations using CI/CD, SOAR, scripting and IaC tools (Terraform, Ansible). Ensure platform performance, stability and reliability, including capacity planning, high availability, disaster recovery and proactive monitoring. What you will bring: Hands-on experience with Elastic Security … Splunk ES, including detection engineering, indexing, parsing and performance tuning. Strong expertise in data pipeline engineering, log enrichment, data quality and large-scale ingestion architectures (ECS/CIM). Proven ability to design, test and optimise detection content, including MITRE ATT&CK-aligned rules and risk-based alerting ...