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Senior Data Engineer

Adecco • TRAFFIC • London, Not Specified, United Kingdom • £550 - £600 / * • 16h ago

Location - London, Bristol or Manchester (1 day a month onsite)

Duration - 6 months

Rate - £550 - £600pd (inside ir35)

As a Data Engineer in the Cyber and Domains Protection Team you will:

Work within an Agile team to support the development of dashboards and build automated reports to meet the needs of technical and non-technical users
Work with the data analyst and user researcher to update relevant data models to allow business intelligence data to meet the organisation's specific needs
Develop business intelligence reports that can be automated, reused and shared with users directly
Implement data flows to connect operational systems, data for analytics and business intelligence (BI) systems
Build accessible data for analysis
Deliver data solutions in accordance with agreed organisational standards that ensure services are resilient, scalable and future-proof
Investigate problems in systems, processes and services

This role aligns to the Data Analyst role in the Government Digital and Data Profession Capability Framework. At this role level, your skills include:

Applying statistical and analytical tools and techniques
Communicating between the technical and non-technical
Data ethics and privacy
Data management
Data preparation and linkage
Data visualisation
Developing code for analysis

You will also have the following specialist skills, at Working level:

Advanced SQL proficiency: expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar
Cloud data ecosystem (AWS): hands-on experience with core AWS data services. Key services include:
- S3 for data lake storage
- AWS Glue for ETL and data cataloging
- Amazon Redshift or Athena for data warehousing and analytics
- Lambda for event-driven data processing.
ETL/ELT pipeline development: experience in designing, building, and maintaining robust, automated data pipelines. You should be comfortable with both the theory and practical application of extracting, transforming, and loading data between systems
Programming for data: Strong scripting skills, including Python
Infrastructure as code (IaC): Experience deploying and managing cloud infrastructure using tools like Terraform or AWS CDK / CloudFormation

Data modelling and warehousing:

Dimensional Data Modeling: Deep understanding of data warehousing concepts and best practices. Experience of, and ability to, transform raw transactional data into well-structured analytics-ready datasets using schemas like the star schema (Kimball methodology)
Data Quality & Governance: build trust in data by implementing data validation checks, testing frameworks, and clear documentation within your pipelines

Experience in the following areas is not essential but would be beneficial:

Data Orchestration Tools: Familiarity with modern workflow management tools like Apache Airflow, Prefect, or Dagster
Modern Data Transformation: Experience with dbt (Data Build Tool) for managing the transformation layer of the data warehouse
BI Tool Familiarity: An understanding of how BI tools like AWS QuickSight consume data, and the ability to structure datasets optimally for visualization and reporting e

Please submit a copy of your latest CV for more information on this vacancy.

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