Environmental Engineer (HSE-ENV-PM-2026-38-LD)
Introduction
As an Environmental Engineer, you will actively contribute to support CERN in limiting its impact on the environment, mainly in the domains of water protection and hazardous substances.
Functions
- Act as the organisation’s reference expert for environmental protection in the domain of water and in the domain of hazardous substances.
- Monitor, evaluate and address all existing and emerging issues related to effluent water quantity and quality and to hazardous substances.
- Analyse and propose mitigation measures on water-related issues and hazardous substances linked to the CERN campus, industrial facilities, accelerators and experiments.
- Propose common applicable environmental requirements for projects and existing activities.
- Develop CERN-specific environmental guidelines.
- Conduct site visits and environmental investigations and issue related reports. This includes the participation or coordination of environmental incidents/accidents follow-up.
- Share knowledge, inform and proactively raise awareness on environmental protection best practices.
- Build synergies and work with other CERN Departments in view of reducing CERN’s impact on environment and globally improve environmental protection.
- Interact with French speaking local technical authorities.
Qualifications
Master's degree or equivalent relevant experience in the field of Environmental Engineering or a related field.
Experience:
- Experience in providing technical expertise, in particular for environmental protection in the water domain and hazardous substances, within multi-disciplinary teams operating technical installations.
- Hands-on chemical pollutants (metals, organic or emerging pollutants), including monitoring, characterisation, and mitigation strategies.
- Experience in the technical application of environmental regulations.
- Hands-on experience with ecotoxicology subjects with the understanding of chemical and biological impacts on aquatic environments would be an asset.
- Knowledge of wastewater treatment and sanitation infrastructure, including operational processes and environmental constraints, or, water treatment technologies, such as physical, chemical, and biological treatment methods would be an asset.
Technical competencies:
- Knowledge of EU regulations, in particular linked to water protection or hazardous substances (knowledge of French or Swiss Environmental regulations is an asset).
- Environmental protection, environmental evaluations and implementation of prevention measures.
- Stakeholder relationship management.
- Drafting and writing of official documents in both French and English.
- Ability to analyse complex environmental data and translate findings into actionable recommendations.
Behavioural competencies:
- Solving Problems: adopting a pragmatic approach; understanding the value of adopting generic rather than gold -plated' technical solutions.
- Learning and Sharing Knowledge: keeping up-to-date with developments in own field of expertise and readily absorbing new information.
- Communicating Effectively: expressing opinions, ideas and suggestions with conviction and in a logical/structured manner; keeping to the point.
- Managing Self: working well autonomously; taking on activities and tasks without prompting.
Language skills:
Spoken and written English or French, with a commitment to learn the other language.
Additional Information
Eligibility and closing date:
Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organisation. Employing a diverse workforce is central to our success. We welcome applications from all Member States and Associate Member States.
This vacancy will be filled as soon as possible, and applications should normally reach us no later than 09.03.2026 at 23:59 CET.
Employment Conditions
Contract type: Limited duration contract (5 years). Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position.
Working Hours: 40 hours per week
Job Flexibility: Fully Onsite
This position involves:
- Work in Radiation Areas.
- Interventions in underground installations.
- A valid driving licence.
- Stand-by duty, and work during nights, Sundays and official holidays, when required by the needs of the Organisation.
Job grade: 6-7
Job reference: HSE-ENV-PM-2026-38-LD
Field of work: Health, Safety and Environment
Benchmark Job Title: Health, Safety and Environment Engineer
Global Benefits
- A competitive salary (tax free), increasing in line with your years of relevant experience.
- 30 days of paid leave per year plus 2 weeks annual closure.
- Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
- Family, child and infant monthly allowances depending on your individual circumstances.
- A relocation package (installation grant, removal, travel expenses) depending on your individual circumstances.
- Possibility to extend your contract up to 8 years + eligibility for indefinite contract tenure.
Overview of CERN - Discover a world where the impossible is made possible!
At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.
Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.
If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!
More information about us, here: careers.cern