Senior Sustainability Consultant (LEED AP)

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About Ethos

Ethos is a collaborative team of engineers, consultants, and creative thinkers designing and delivering data centre and energy infrastructure across the world's most dynamic markets. As a multidisciplinary consultancy, we combine technical expertise, creativity, and integrated delivery to lead complex, mission-critical projects.

Built on strong relationships, clear leadership, and a can-do mindset, Ethos is entering an exciting phase of growth, expanding our capabilities and taking on increasingly high-impact projects across EMEA and beyond.

Sustainability guides how we design, collaborate, and deliver, creating innovative solutions and lasting value for our clients and communities — making Performance Made Possible.

About The Job

At Ethos, we’re leading the way in sustainable building services. As part of our continued commitment to innovation and environmental stewardship, we're seeking a passionate and experienced Senior Sustainability Consultant to join our dynamic team. 

In this role, you'll take the lead on environmental certifications, with a particular focus on LEED AP, playing a key part in shaping sustainability strategies across a diverse range of projects including commercial, residential, and data centres. You'll collaborate closely with clients, design teams, and internal stakeholders to deliver robust and forward-thinking solutions that align with sustainability best practices and legislative requirements. 

This is an exciting opportunity to influence real-world environmental outcomes while contributing to the growth and excellence of our sustainability consultancy services. 

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. 

About You

Experience & Qualifications

  • 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.

Technical Skills

  • 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.

Soft Skills

  • 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.

Why Join Us?

  • Join collaborative leaders – Work alongside experienced, approachable professionals who combine technical excellence with calm, supportive leadership.
  • Make a real impact – Contribute to mission-critical infrastructure projects that support the digital and energy transition across EMEA and beyond.
  • Grow with us – As a rapidly growing consultancy, we offer opportunities to develop your skills, broaden your experience, and build your career.
  • Shape a more sustainable future – Sustainability isn't an initiative—it's embedded in every project, every discipline, and every decision we make.

We offer:

  • Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance.
  • A culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation.
  • Opportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy.

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