John Cockerill, enablers of opportunities
Driven since 1817 by the entrepreneurial spirit and thirst for innovation of its founder, the John Cockerill Group develops large-scale technological solutions to meet the needs of our time: facilitating access to
low-carbon energies, enabling sustainable industrial production, preserving natural resources, contributing to greener mobility, enhancing security and installing essential infrastructures.
Its offer to companies, governments and communities consists of services and associated equipment for the sectors of energy, defense, industry, environment, transport and infrastructures.
With more than 8 200 employees, John Cockerill achieved a turnover of € 1.649 billion in 2025 in 27 countries, on 5 continents.
The Design Engineer is an employee in charge of the basic design of the products of the Energy Sector of John Cockerill. He/She proceeds to the thermal and mechanical design of HRSG’s (Heat Recovery Steam Generators) for the proposals department and executes the detailed engineering during project execution from the award of an order to the provisional acceptance of the equipment. The Design Engineer is particularly responsible to ensure that the design of the product is compliant to the calculation request, to applicable codes and norms, to the contractual technical specifications and to internal standards as defined in the Design Process according to the QMS (quality management system) of the Energy Sector.
Objectives
The Design Engineer is responsible for the sizing and the detailed design of products for proposals and project execution under the hierarchical responsibility of the Design Manager and the functional responsibility of the Technical Project Manager with the following objectives:
Responsibilities
The duties of the Design Engineer are amongst others:
Competencies
The Design Engineer has a specialist profile. He/She must be available for temporary missions, sometimes on short notice, including international travels.
He/She adheres to the essential values of John Cockerill:
His/Her soft skills are:
His/Her technical skills are:
John Cockerill offers you career and development opportunities within its various sectors in a friendly working environment.
Do you want to work for an innovative company that will allow you to take up technical challenges on a daily basis?
We look forward to receiving your application and to meeting you!
Discover our job opportunities in details on Career - John Cockerill

John Cockerill designs, integrates, modernizes and maintains equipment in the domains of energy, defence, steelmaking, the environment and industry in general.
John Cockerill assists its clients throughout the whole of the lifecycle of their equipment, to improve its economic, technical and environmental performance.
The benefits of John Cockerill are numerous: a unique combination of engineering and maintenance expertise and in the management of technical international projects, a vast geographical and technological scope and a capacity of innovation based on the concrete need of its clients.
John Cockerill has an experienced workforce of 8,000 in Europe, Africa, North America, Brazil, China, India, Indonesia, Mexico, New Caledonia, Saudi Arabia, South Korea and Vietnam.
Proud of its past and aware of its ability to invent the processes of the future, John Cockerill intends to contribute to today's societal challenges and generate sustainable industrial progress for the benefit of its customers, employees, shareholders, surrounding communities and the planet.