Data Engineer - Databricks

Assystem; Bristol; On-site; GBP 55,000 - 85,000; Full time

Benefits offered by this job

Hybrid Working

25 Days Annual Leave

Bank Holidays

Buy & Sell Holiday

8% Company Pension Contributions

Income Protection

3x Salary Death-in-Service Cover

Healthcare Cash Plan

Discounts

Cycle to Work Scheme

Volunteer Days

Job summary

Assystem is recruiting a Data Engineer to design, develop and support data products for reporting, analytics and operations on a major nuclear project. You will work with Databricks, SQL, Python and Azure technologies to deliver robust, scalable data solutions across safety, quality, schedule, cost and operations.

The role requires independent delivery, ownership of technical delivery and contribution to improving the data platform while collaborating with Data Architects and Performance

Qualifications

• Minimum 2 years' experience delivering data engineering or BI solutions.
• Strong commercial Databricks experience and Azure/Power BI knowledge.
• Experience building ETL/ELT pipelines and data integration across sources.
• Proficient with Spark, PySpark, Spark SQL, and SQL optimization.
• Experience with large, complex datasets and data modelling concepts.
• Knowledge of data quality, reconciliation, and governance processes.
• Knowledge of data modelling principles and BI concepts.
• Experience with Power BI and data visualization.
• Databricks certification desirable.
• Experience in regulated industries and IMS governance may help.

Responsibilities

• Design, develop, and maintain data products using Databricks and Azure.
• Build scalable ETL/ELT pipelines ingesting data from multiple systems.
• Develop data transformations with PySpark, Spark SQL, SQL, and Python.
• Create curated datasets for BI, reporting, and analytics.
• Implement data quality, reconciliation, validation, and monitoring.
• Optimize pipelines for performance, reliability, and cost.
• Support reusable engineering frameworks, templates, and standards.
• Translate requirements into technical solutions and document them.

Skills

Databricks

Spark SQL

PySpark

SQL development

Power BI analytics

Data modelling

Data quality

Automation (Python)

IMS governance

Education

Degree in Computer Science or related

Databricks certification

Tools

Databricks

SQL Server

Power BI

Azure

Python

Job description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

Overview

Working on a major nuclear power plant project with experience in Databricks, the Data Engineer will be responsible for designing, developing, testing, and supporting data products that underpin reporting, analytics, and operational decision-making across the project programme.

Working within a multidisciplinary Data & Analytics team, the successful candidate will use Databricks, SQL, Python, and Microsoft technologies to deliver robust, scalable, and maintainable data solutions. They will collaborate closely with Data Architects and Performance Analysts to transform business requirements into high-quality data products that support project performance reporting across safety, quality, schedule, cost, and operational functions.

This role requires a Data Engineer who can work independently, take ownership of technical delivery, and contribute to the continuous improvement of the organisation's data platform.

Key Responsibilities

• Design, develop, and maintain data products using Databricks and associated Azure technologies.
• Build scalable ETL/ELT pipelines to ingest, transform, and load data from multiple enterprise systems.
• Develop data transformations using PySpark, Spark SQL, SQL, and Python.
• Create and maintain curated datasets that support business intelligence, reporting, and analytics.
• Implement data quality, reconciliation, validation, and monitoring processes.
• Optimise data pipelines and workloads to improve performance, reliability, and cost efficiency.
• Support the development of reusable engineering frameworks, templates, and standards.

Delivery & Support

• Translate business requirements and functional designs into technical solutions.
• Develop, test, document, and deploy data products in line with established engineering standards.
• Support production data products and resolve issues impacting data quality or availability.
• Participate in release, deployment, and change management activities.
• Contribute to continuous improvement initiatives across the data platform.
• Work closely with Data Architects to ensure solutions align with enterprise architecture and data standards.
• Collaborate with Performance Analysts and business stakeholders to understand reporting and analytical requirements.
• Communicate technical solutions and implementation approaches clearly to technical and non-technical audiences.
• Ensure compliance with Information Design Authority (IDA) governance processes.
• Maintain appropriate technical documentation, data lineage, and support materials.

Qualifications

• Minimum 2years' experience delivering data engineering or business intelligence solutions.
• Strong proven commercial experience with Databricks.
• Strong experience developing ETL/ELT pipelines and data integration solutions.
• Experience using Apache Spark, PySpark, and Spark SQL.
• Strong SQL development and optimisation skills.
• Experience working with large and complex datasets from multiple source systems.
• Knowledge of data modelling principles and analytical data structures.
• Experience implementing data quality and reconciliation processes.
• Experience working with Power BI and data visualisation solutions.
• Understanding of semantic models, reporting datasets, and business intelligence concepts.
• Ability to support analysts in delivering meaningful reporting and insights.
• Databricks certification.
• Experience within construction, infrastructure, engineering, utilities, energy, or regulated industries.
• Familiarity with Integrated Management System (IMS) or similar governance frameworks.
• Knowledge of Power BI advanced features and dashboard development.
• Experience with automation using VBA or Python.

Qualifications

• Degree or equivalent qualification in Computer Science, Data Engineering, Information Systems, Mathematics, Engineering, or a related discipline.
• Relevant Databricks, Azure, or Power BI certifications are desirable.

Software Experience

• Databricks
• SQL Server
• Power BI
• Python

Additional Information

What we offer

• Hybrid Working – Flexibility to work from home and the office
• 25 Days Annual Leave + Bank Holidays
• Buy & Sell Holiday – Make your time off work for you
• 8% Company Pension Contributions
• Income Protection & 3x Salary Death-in-Service Cover
• Competitive Sick Pay – Support when you need it
• Healthcare Cash Plan – Claim back on dental, optical & more
• Free Digital Gym Access – Expert-led fitness classes
• Exclusive Discounts – Restaurants, days out & top brands
• 24/7 Employee Support Line – Mental health, financial & legal help
• Cycle to Work Scheme – Save money & go green
• Free Flu Jabs & Eye Test Vouchers
• Paid Professional Membership Fees
• Volunteer Days – Make a difference on company time

Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.