Senior Environmental Consultant

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 8,000+ switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Here is how you can be a part of that switch:

We are seeking Senior Environmental Consultants to support the delivery of major infrastructure programmes across highly regulated sectors, including transport, energy, water, and nuclear. These roles sit within the Environmental Services discipline and involve providing technical leadership, project delivery, and assurance across a range of environmental specialisms.

These are pipeline opportunities to support new projects commencing in 2026, with roles anticipated across multiple UK regions.

Key Responsibilities

• Lead and deliver environmental services inputs across complex infrastructure projects, ensuring compliance with legislation, standards, and best practice.
• Provide technical leadership within one or more environmental disciplines (e.g. environmental management, EIA coordination, consents, ecology, acoustics, or water/hydrogeology).
• Manage and coordinate environmental work packages, delivering high-quality outputs to time, cost, and quality.
• Support project teams in identifying environmental risks, constraints, and opportunities, and developing effective mitigation strategies.
• Review, assure, and approve environmental documentation and technical deliverables.
• Interface with clients, regulators, and internal stakeholders to support effective environmental management and decision-making.

About You

• Significant experience working as an environmental consultant within regulated infrastructure environments.
• Strong knowledge of environmental legislation, policy, and assessment processes relevant to major projects.
• Ability to lead technical delivery and provide clear, pragmatic advice to project teams and clients.
• Excellent written and verbal communication skills, with experience producing and reviewing technical reports.
• Comfortable working independently while contributing to multi-disciplinary project teams.

Desirable

• Chartered or working towards chartership with a relevant professional body (e.g. IEMA, CIEEM, IES).
• Experience leading environmental inputs on large or complex infrastructure programmes.
• Experience mentoring junior staff or leading small technical teams.

• These are ongoing opportunities to support anticipated project demand in the New Year.
• Opportunities are available across multiple UK regions.
• Roles may be based within highly regulated environments and will require compliance with relevant security policies and procedures.
• Candidates must be eligible to obtain and maintain appropriate UK security clearance

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.