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We are currently partnering with a highly specialised engineering and technology organisation who are looking for a System Controls Design Engineer to join their expanding R&D team in Chelmsford. The business operates within an advanced, innovation-led environment focused on the development of ultra-low temperature refrigeration and cooling technologies. Working at the intersection of thermodynamics, control systems, and product engineering, they are developing highly technical systems used within demanding and regulated applications. This is an excellent opportunity for someone with a strong background in control systems, modelling, and system integration who enjoys working across the full product development lifecycle. In role, you will support the design and development of advanced refrigeration systems, focusing on control algorithms, simulation, integration, and performance optimisation. You will work closely with R&D, engineering, manufacturing, and supplier teams to ensure systems are robust, efficient, and aligned with technical and commercial requirements.
Job Responsibility:
Design and develop control systems for ultra-low temperature refrigeration applications
Develop and implement PID and advanced control strategies for precise thermal regulation
Build, calibrate, and validate numerical models using MATLAB/Simulink or similar tools
Analyse system performance data and optimise control strategies and thermodynamic efficiency
Support integration of sensors, actuators, and refrigeration hardware into complete systems
Collaborate with cross-functional teams to define system architecture and technical requirements
Support testing, validation, and continuous improvement activities throughout development
Prepare and maintain technical documentation including specifications, control logic, and operating procedures
Requirements:
Degree in Control Systems Engineering, Mechanical Engineering, Electrical Engineering or similar
Strong experience in control systems design and system dynamics
Experience with modelling and simulation tools such as MATLAB/Simulink
Knowledge of embedded or industrial control software development
Understanding of sensors, actuators, and system integration principles
Strong analytical and problem-solving capability with a data-driven approach
Excellent communication skills and the ability to work collaboratively across teams