Data Engineer

⚡️💡About Assystem

At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.

🤝Why Join the Community of Switchers?

Be part of one of the top three largest nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.

🚀The Job Mission 

TheData 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 multidisciplinaryInformation Management Pod, the role translates business and architectural designs into scalable, secure, and maintainable data solutions.

The Data Engineer works closely withPerformance Analysts andData 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 usingDatabricks, 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 anInformation Management Pod, delivering technical solutions based on architectures defined by theData Architect and requirements captured by thePerformance Analyst. The role is fundamental to ensuring that analytics platforms are supported by reliable, well-engineered data pipelines.

All activities are governed by theInformation 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 ofSQL 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 withMicrosoft Office tools

• General engineering knowledge or experience working inengineering, construction, or asset-intensive environments

Desirable

• Experience usingDatabricks or similar cloud-based data platforms

• Familiarity withdata governance frameworks and working in highly regulated environments (e.g. nuclear, infrastructure, or safety-critical sectors)

• Knowledge ofadvanced Power BI features andVBA for automation

• Experience working within structured delivery environments with formal governance and change control

🌟Why Apply?

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.

🌟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 time

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.

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.