UK-Wide Principal Ecologist – Lead & Shape Biodiversity

isepglobal; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working

Wellbeing support

Pension plan

Flexible working hours

Career development

Job summary

Jacobs is seeking a Principal Ecologist (UK wide) to lead ecological input on major infrastructure projects across water, transport and energy sectors. You will mentor junior ecologists, coordinate cross-disciplinary teams, and provide expert advice to clients and stakeholders.

With Chartered membership and a strong track record in terrestrial ecology, you will shape Environmental Impact Assessments and Biodiversity Net Gain strategies while advancing professional development through our global

Qualifications

• Strong background in terrestrial ecology with significant industry experience.
• Chartered membership (or eligibility) of a relevant professional body.
• Proven track record in leading ecological input on large-scale projects.
• Excellent written and verbal communication skills, with sharp attention to detail.
• Technical specialization in terrestrial ecology or broad adaptability.

Responsibilities

• Deliver major infrastructure projects across water, transport, and energy sectors.
• Apply expertise in Environmental Impact Assessment, Habitats Regulations Assessment, and/or Biodiversity Net Gain.
• Collaborate across disciplines, ensuring ecological requirements are integrated into design and delivery.
• Lead ecological monitoring programmes, manage surveys, ensure data quality.
• Provide expert advice, acting as the main point of contact for clients and stakeholders on large-scale projects.
• Build cross-functional networks across geographies and cultures to develop effective solutions.
• Mentoring and learning, sharing knowledge through global communities of practice, conferences, and training events.
• Career pathways offered with management or technical progression options.

Skills

Leadership

Stakeholder engagement

Technical ecology

Communication skills

Project management

Education

Chartered membership (or eligibility)

Job description

Jacobs is seeking a Principal Ecologist (UK wide) to lead ecological input on major infrastructure projects across water, transport and energy sectors. You will mentor junior ecologists, coordinate cross-disciplinary teams, and provide expert advice to clients and stakeholders.

With Chartered membership and a strong track record in terrestrial ecology, you will shape Environmental Impact Assessments and Biodiversity Net Gain strategies while advancing professional development through our global