Senior Sustainability Consultant (LEED AP)

Ethos • Irvine, CA

5d

About The Position

Ethos is seeking a passionate and experienced Senior Sustainability Consultant to join their dynamic team. This role will focus on environmental certifications, particularly LEED AP, and will involve shaping sustainability strategies for diverse projects including commercial, residential, and data centers. The consultant will collaborate with clients, design teams, and internal stakeholders to deliver robust solutions aligned with sustainability best practices and legislative requirements. This position offers an opportunity to influence real-world environmental outcomes and contribute to the growth of Ethos's sustainability consultancy services.

Requirements

• 5+ years' experience as a sustainability consultant or in a related role.
• A degree in sustainability, construction, environmental science, engineering, or a related discipline.
• LEED AP (with Speciality) qualification.
• Proven experience delivering third-party certification schemes (e.g. LEED, BREEAM, HPI).
• Professional qualifications in: BREEAM Assessor / AP, HPI Assessor
• Experience supporting the implementation of sustainability strategies across large-scale or complex projects.
• Previous experience mentoring or line-managing junior sustainability professionals.
• Strong technical expertise and a passion for delivering measurable change in the built environment.
• Strong working knowledge of environmental assessments such as LEED, BREEAM, HPI, and EU Taxonomy.
• Practical experience conducting Life Cycle Assessments (LCA).
• Familiarity with net-zero carbon, operational and embodied carbon strategies.
• Skilled at working in collaborative, multi-disciplinary environments.
• Confident in managing your own workload and supporting junior consultants.
• Excellent communication and stakeholder management skills.
• Comfortable engaging with clients and project teams at all stages.

Responsibilities

• Lead and manage sustainability certification processes (LEED, HPI, EU Taxonomy, etc.).
• Deliver HPI services and provide strategic input to support its successful implementation.
• Liaise with clients, design teams, and other stakeholders to establish sustainability criteria and project goals.
• Conduct pre-assessments, credit reviews, and gap analyses for LEED, HPI, and other rating systems.
• Coordinate and compile documentation for environmental credits and certification evidence.
• Undertake Life Cycle Assessments (LCA) to inform design and material decisions.
• Support the Sustainability Directors in evolving the company’s sustainability service offering and QA/QC processes.
• Produce clear, high-quality reports and sustainability guidance for clients and internal teams.
• Attend site visits and project meetings to monitor progress and maintain alignment with project sustainability targets.
• Mentor junior team members and oversee their contributions to project deliverables.

Benefits

• Flexible working times
• 20 Days holidays up to 25 days
• Pension Scheme
• Refer a Friend scheme
• Gym / Fitness membership Allowance
• Subsidised Health Insurance Allowance
• Healthcare check-ups and flu vaccinations
• Working travel out-of-pocket expenses
• Travel tax scheme or bike-to-work scheme
• Regular training/mentoring / further college support
• Support for Chartership
• A Professional Subscription Fee paid by the company
• Paid Statutory Leaves
• Heavily subsidised social committee
• Flexible Fridays and a 9-day fortnight working schedule

What This Job Offers

• Job Type: Full-time
• Career Level: Senior