Junior I&C Engineer - Nuclear

Are you passionate about engineering? Do you want to make a difference?  

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.  

Join us and start building tomorrow’s world today!

What will you be doing? 

ALTEN UK is looking for Junior Instrumentation & Control (I&C) Engineers to join a high-impact programme in the nuclear energy project in Bristol.  You’ll support the design and operation of control room systems and process displays, contributing to the engineering and integration of logic systems across major infrastructure. If you’re looking to build a career in one of the most critical sectors of clean energy, this is your opportunity to get hands-on with cutting-edge systems and engineering teams.

Your main responsibilities will be: 

• Interpret and support the development of logic diagrams, block diagrams, and process displays for control systems.
• Assist in designing and reviewing I&C system architecture, ensuring integration within nuclear-grade environments.
• Work within control rooms and operator environments, supporting HMI (Human Machine Interface) logic and display validation.
• Collaborate with other engineering disciplines to ensure functional logic supports system performance and safety needs.
• Apply understanding of PLC systems and logic flow without direct involvement in PLC coding or development.
• Contribute to documentation, configuration management, and design tracking as per regulated project standards.

You are... 

• Passionate about engineering 
• result-oriented 
• proactive

Experience, skills and qualifications required: 

• Degree in Instrumentation & Control Engineering, Electrical Engineering, or related discipline.
• Junior Engineer with up to 1- 4 years of experience in I&C, electrical, or systems engineering.
• Knowledge of logic systems, HMI design, and control room engineering environments.
• Strong ability to interpret technical diagrams and process flowcharts.
• Comfortable working in highly regulated sectors such as nuclear, defence, or energy infrastructure.
• Exposure to PLC environments (e.g. Siemens, Schneider, Rockwell) – understanding logic but no PLC coding required.

Desirable Skills:

• Familiarity with control system engineering documentation, process control environments, or HMI-focused projects.
• Experience or academic exposure to industrial logic systems and functional architecture is preferred.

Why join us? 

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. 

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. 

We offer incredible opportunities to join inspiring projects in the most innovative companies. 

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. 

Join our passionate team and start building tomorrow, today! 

In short you get: 

• A personalised career path and a rewarding management style 
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical & Travel Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)