9 of 9 ETL Jobs in Hertfordshire

performance tuning and model management. Proven ability to manage and optimize very large datasets in Power BI and Azure. Solid understanding of SQL, ETL processes, and data warehousing. Familiarity with Azure Synapse, Data Lake, and Analysis Services (AAS/SSAS). Strong performance tuning: aggregations, incremental refresh, Hybrid tables, Direct ...

production environments. Solid knowledge of Hive, Impala, HDFS, and Parquet . Advanced SQL skills; experience with Oracle databases . Experience designing and supporting ETL/ELT pipelines and data quality frameworks . Working knowledge of Autosys & Apache Airflow Experience with CI/CD tools (Git, Harness, UrbanCode Deploy ...

Proven experience in Power BI development and data visualization Strong skills in DAX, SQL, and data modeling techniques Understanding of data warehousing concepts and ETL processes Experienced with Dynamics BC or 4PS Ability to communicate complex data insights effectively to diverse audiences Experience in project management and a collaborative mindset ...

security - 0Auth 2.0, JWT, managed identities, secrets Experience integrating with enterprise platforms such as Salesforce, ServiceNow, SAP, Pega Coding/scripting experience (Python, JavaScript, ETL tools) Excellent communication skills, with the ability to engage non-technical stakeholders Strong documentation skills - diagrams, data flows, design specs Desirable Qualifications Working within secure ...

understand business requirements for data migration. Design and implement robust data migration strategies. Develop scripts and processes to automate data extraction, transformation, and loading (ETL) processes. Work closely with stakeholders, including business users and IT teams, to ensure data requirements are met, and migrations proceed without disruption to business operations. … Responsibilities: Plan, coordinate, and execute data migration projects within set timelines. Design and build ETL solutions, ensuring data quality and integrity throughout the migration process. Troubleshoot and resolve data-related issues promptly to minimise disruption. Collaborate with various teams to align migration processes with organisational goals and regulatory standards. Proficiency ...

performance tuning, reconciliation logic). Strong proficiency in Python for data analysis and automation (pandas, data validation frameworks, scripting). Experience supporting or validating ETL/ELT pipelines and data quality frameworks (rules, thresholds, exception handling). Working knowledge of Autosys & Apache Airflow (monitoring schedules, reruns, failure triage). Experience … OpenShift). Familiarity with AWS S3 for large-scale data storage and dataset movement patterns. Experience supporting Tableau dashboards (data validation, extract refresh checks, reconciliation to source). Nice-to-Have Ideally, you have experience with tools including PySpark, Spark SQL, Hive, Impala, HDFS, Parquet, and Oracle databases. Experience ...

process Key Responsibilities Analyse existing data structures and understand business and technical requirements for migration initiatives. Design and deliver robust data migration strategies and ETL solutions. Develop automated data extraction, transformation, and loading (ETL) processes using industry-standard tools and scripts. Work closely with stakeholders to ensure seamless migration and … promptly. Collaborate with wider engineering and architecture teams to ensure migrations align with organisational and regulatory standards. Relevant exposure; Strong hands-on experience with ETL 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 ...

premise infrastructure , ensuring our Generative AI capabilities are powerful, private, and resilient. Key Responsibilities Architect & Build: Design, develop, and optimize scalable data pipelines (ETL/ELT) within air-gapped or on-premise data centers. AI Integration: Engineer data structures specifically for Natural Language Processing (NLP) and Large Language Models (LLMs … transition GenAI prototypes into production-ready, locally-hosted solutions. Technical Requirements Languages Expert-level Python and advanced SQL . Data Engineering Experience with ETL/ELT and orchestration tools like Apache Airflow or NiFi . On-Prem Tech Proficiency with Hadoop/HDFS , Spark , and containerization via Docker/Kubernetes ...

and optimise data usage Ensure data quality, governance and compliance standards are met across all data assets Support data exchange and processing solutions including ETL, APIs and integration layers Contribute to the ongoing improvement of data platforms and architectures Stay up to date with emerging technologies and provide input into … technologies such as MS SQL or Oracle Experience with noSQL technologies such as MongoDB, InfluxDB or Neo4J Strong data exchange and processing experience including ETL, ESB and API-based integrations Development experience, ideally using Python Knowledge of big data technologies such as the Hadoop stack Exposure to NLP and ...