At Leilac we’re passionate about enabling the transition to a carbon neutral world by providing the most compelling decarbonisation solution for global cement and lime.

Our purpose-driven team members are unwavering in their commitment to solve this urgent global challenge for industry, global society and our planet.

Working at Leilac

Simon Thomsen Engineer from Leilac

On a daily basis, we’re working on the frontline to preserve our planet and our way of life.

We know the actions we take today will determine whether we avoid the worst effects of climate change, and which companies will survive and thrive in a carbon constrained world.

We’re scientists, engineers, project managers and innovators. We’re team players and collaborators. And we’re each applying our unique skills and Leilac’s breakthrough technology to create sustainable industries and a sustainable planet.

Employees at Leilac's plant

A career with Leilac provides the opportunity to grow both personally and professionally as part of a down-to-earth, caring, honest and ingenious team that shares your passion and values.

Meet some of our team

Introducing Youssef Aaraj

Process Engineer

Introducing Tom Hills

Technical Lead, Process Development
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Leilac’s vision is the rapid creation of sustainable cement and lime for industry, global society and our planet.

Our values provide the foundation of our culture. They guide our thinking and behaviours, propelling us towards our vision.

Sense of urgency

Means we embrace the rate of change necessary to align with climate targets. We are committed to making a sustainable future a reality.

Positive impact

Is what drives us in our work, every day. We are driven to use our unique skills to prevent future harm to our planet.


Reflects our ability to think outside the box, to challenge each other and adapt quickly to new opportunities.


Means we are a purpose-driven company and determined to make a positive difference for the long-term.


Fostering a diverse and inclusive culture is not just a moral imperative, it is foundational to driving innovation and business success. Diversity is a key focus for Leilac.


At the core of our spirit is teamwork. We are a down-to-earth, caring, honest, ingenious and dedicated team of people working together to solve global challenges.

Sustainable Development Goals

Sustainable Development Goals

The Sustainable Development Goals (Global Goals) are a universal call to action to end poverty, protect the planet and ensure that all people enjoy peace and prosperity.

Leilac’s innovation, development and partnership initiatives are aligned with the Global Goals, helping to accelerate our work in delivering the transition to a carbon neutral world.

Current job opportunities

Public Engagement Manager

As the leader of Leilac’s public engagement activity, this role will develop and deliver campaigns that support and build Leilac’s brand, provide education on climate change and industrial decarbonisation, and create advocacy for Leilac’s technology for sustainable industry.

Leilac’s Public Engagement Manager will work with the Digital Marketing and Communications teams to develop impactful campaigns that create public support for Leilac’s technology solutions. Campaigns will target broad brand and reputation building at a national and international level, as well as support for individual projects and their immediate local public stakeholders.

The ideal candidate will have a passion for climate change mitigation and industrial decarbonisation, strong collaboration and relationship building skills, an ability to distil complex concepts into simple key messages, and a proven track record of delivering impactful content and successful stakeholder engagement.

Full Time Europe, United States of America or Asia-Pacific
Technical Writer

An experienced professional with a strong grounding in engineering or the physical sciences, Leilac’s technical writer will lead the production of technical reports, white papers and other deliverables targeted at stakeholders in industry and government. The ideal candidate will have experience in technical communications, with a proven ability to distil complex concepts and information into clear and compelling pieces of thought leadership.

Working within Leilac’s Corporate Affairs team, this role will involve close collaboration with Leilac’s Technology and Engineering teams to develop strategically important content that supports business growth. This is an exciting opportunity for a talented communicator to work at a fast-growing and purpose-driven company developing leading industrial decarbonisation solutions.

Full Time Europe, United States of America or Asia-Pacific
Project Controls Engineer

Join us as Project Controls Engineer to develop project controls and tools, ensuring seamless project delivery and design management.

Collaborate with Project Managers, streamline processes, and enhance efficiency. Monitor project schedules, evaluate progress, and liaise with finance for cost reporting. We are looking for a self-motivated and highly collaborative Engineer with 5+ years of project engineering expertise.

Full Time UK, France, Ireland
Pilot Plant Engineer

We’re seeking a Pilot Plant Engineer for our cutting-edge Leilac-1 pilot plant in Belgium.

As a vital part of our team, you’ll ensure safe operations, drive upgrades, and contribute to efficiency projects. Embrace a purpose-driven culture where innovation thrives, and diversity is celebrated. Make a positive impact while enjoying personal and professional growth, competitive rewards, and the chance to work on groundbreaking solutions that shape the world.

Full Time Belgium
Process Engineer

Join Leilac as a Process Engineer and play a leading role in applying and developing our innovative technology in the cement industry. Collaborate with our engineering and R&D teams, as well as external partners, to optimise processes and deliver integrated models for projects. Utilise your expertise to drive process design, ensure compliance, and monitor performance. Make a meaningful impact on our mission of decarbonising the cement industry.

Full Time UK, France, Ireland
CAD Drafter

We’re hiring a CAD Drafter to join our team. In this role, you’ll utilize CAD software to create site layouts, technical drawings, and 2D/3D models. You’ll collaborate closely with the design and engineering team, both internally and externally, to optimize plant layout and design, support manufacturing and production planning, review drawings and documents, and ensure compliance with Health and Safety requirements. Join us and play a vital role in our mission to decarbonise the cement and lime industry.

Full Time UK, France, Ireland
R&D Engineer

Leilac is looking for a passionate and skilled R&D Engineer to join their Technology Development team. As an R&D Engineer, you will support and run technology development projects to enable the transition to a carbon-neutral world by providing a compelling decarbonisation solution for global cement and lime. You will be responsible for organizing and planning activities within small R&D projects and collaborating with technical team members to progress towards the project objectives.

To excel in this role, you should have 5+ years of experience in a project engineering role, particularly within an innovative industrial field. You should also have a mindset of leadership and ownership of activities, with a strong ability to take initiative and make decisions as necessary.

Full Time UK, France, Ireland
Senior Mechanical Design Engineer

For Leilac’s US team, we are looking for a Senior Mechanical Design Engineer to perform detailed mechanical design of bespoke mechanical equipment for environments with elevated temperature. This person will support the engineering, design and development of the Calix calciner technology within the cement, lime and other industrial processing industries, forming a part of a collaborative team. Reporting to the Engineering Team Lead, the role can be based anywhere in the US.

In this role, it is key to have a thorough understanding of thermomechanical stress, thermal expansion, cyclical thermal loading, and an ability to calculate thermodynamics. You are experienced in detailed mechanical design, including specification of equipment requirements, equipment design and fabrication methods. After 5+ years of experience in detailed mechanical design, you are ready to join a purpose-driven business and be a part of the journey as Leilac establishes in the US.

Pilot Plant Manager

Leilac is looking for a Pilot Plant Manager for its unique decarbonisation technology pilot plant located in Lixhe, Belgium. A fluent French speaker, the Pilot Plant Manager will be responsible for the operations and maintenance of the pilot plant and lead the operations. This role will also be responsible for ensuring safe execution of upgrade and optimisation projects, managing routine and as required maintenance and repairs including all required contractors and suppliers.

The right candidate will have on-site experience from cement or mineral processing plants, excellent project management skills, and a chemical or process engineering degree. This is an exciting opportunity for someone who is interested in R&D and wants to be the part of a solution for a more sustainable cement production.

Full Time Belgium
Team meeting at Leilac

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