Data Engineer

Assystem GmbH; Bristol; On-site; GBP 50,000 - 80,000; Full time

Benefits offered by this job

25 Days Annual Leave + Bank Holidays

8% Company Pension Contributions

Healthcare Cash Plan

Free Digital Gym Access

Exclusive Discounts

24/7 Employee Support Line

Paid Professional Membership Fees

Volunteer Days

Cycle to work

Volunteer days

Job summary

A leading engineering consultancy based in Bristol is seeking a Data Engineer for a permanent position in the nuclear sector. The successful candidate will design and develop data products that enhance analytics capabilities, working closely with analysts and architects. Essential skills include strong knowledge of SQL and experience with Power BI. This role offers competitive benefits including hybrid working, generous leave, and professional development support.

Qualifications

• Experience designing and developing data pipelines and products within an analytics environment.
• Strong working knowledge of SQL or Python for data transformation.
• Experience developing data visualization solutions, preferably Power BI.
• Understanding of data integration, reconciliation techniques and data quality controls.

Responsibilities

• Design and engineer data products and services that integrate with business systems.
• Build and maintain ingestion, transformation, and load routines for analytics platform.
• Support troubleshooting of data quality or performance issues across the data pipeline.
• Operate and support live data products, optimise for cost, performance and reliability.
• Collaborate with Performance Analysts and Data Architects to ensure trusted insights.

Skills

SQL

Python

Data visualization (Power BI)

Analytical skills

Collaboration

Analytical skills

Stakeholder communication

Tools

Databricks

Power BI

Microsoft Office

Job description

Our Vacancy# Data Engineer* Nuclear* Permanent / Digital* Bristol* United Kingdom* 23/01/26* On site* Share## Job Description **The Job Mission**The **Data Engineer** is responsible for designing, building, testing, and operating robust data products that underpin Assystem’s analytics and reporting capability. Working as part of a multidisciplinary **Information Management Pod**, the role translates business and architectural designs into scalable, secure, and maintainable data solutions.The Data Engineer works closely with **Performance Analysts** and **Data Architects** to deliver high-quality data pipelines and products that enable trusted insight and decision-making across major nuclear programmes. **Key Responsibilities*** Review business objectives, requirements, and functional designs to assess feasibility and define appropriate technical implementation approaches* Design and engineer data products and services that integrate seamlessly with business systems and processes, aligned to architectural standards* Develop data products using **Databricks, Power BI**, and other appropriate technologies, applying robust, scalable, and maintainable engineering practices* Build and maintain ingestion, transformation, and load routines to support the organisation’s analytics platform* Test data products to ensure they meet functional, quality, performance, and security requirements* Operate and support live data products, improving cost, performance, and reliability through optimisation, monitoring, and continuous improvement* Support troubleshooting and resolution of data quality or performance issues across the data pipeline **Contextual Information**The Data Engineer operates within an **Information Management Pod**, delivering technical solutions based on architectures defined by the **Data Architect** and requirements captured by the **Performance Analyst**. The role is fundamental to ensuring that analytics platforms are supported by reliable, well-engineered data pipelines.All activities are governed by the **Information Design Authority (IDA)** process, which ensures consistency between requirements, architecture, and technical delivery. Any deviations identified during development or operation must be formally captured and managed through the IDA governance framework.This role suits an engineer who enjoys working in regulated, safety-critical environments and who can balance technical excellence with strong collaboration across business and delivery teams. **Qualifications, Knowledge & Skills**Essential* Experience designing and developing data pipelines and products within an analytics or reporting environment* Strong working knowledge of **SQL or Python** for data transformation, validation, and troubleshooting* Experience developing and supporting data visualisation solutions (**Power BI preferred**)* Understanding of data integration, reconciliation techniques, and data quality controls* Strong analytical and numerical skills, with the ability to communicate technical concepts clearly to non-technical stakeholders* Ability to work independently, manage multiple priorities, and collaborate effectively across multidisciplinary teams* Proficiency with **Microsoft Office** tools* General engineering knowledge or experience working in **engineering, construction, or asset-intensive environments**Desirable* Experience using **Databricks** or similar cloud-based data platforms* Familiarity with **data governance frameworks** and working in highly regulated environments (e.g. nuclear, infrastructure, or safety-critical sectors)* Knowledge of **advanced Power BI features** and **VBA** for automation* Experience working within structured delivery environments with formal governance and change controlJoin 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. **Your Benefits Package** 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 timeWe 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.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.