Senior Sustainability Consultant
- Hiring from
- United Kingdom
- Work type
- Hybrid
- Posted
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At Optimised, we help organisations take control of energy, utilities and sustainability performance - reducing cost, carbon and operational complexity at scale.
We’re looking for a Senior Sustainability Consultant to lead carbon accounting and climate disclosure projects for our clients, from the first conversation through to delivery and beyond.
Based in our Bristol office, you’ll join our Net Zero Advisory & Reporting team, working alongside Sustainability Consultants and Data Analysts. You’ll run your own projects from start to finish - shaping the scope, managing the commercials and making sure clients get work they can rely on - while guiding the day-to-day work of more junior colleagues.
You’ll be trusted to work independently and make sound decisions, and you’ll know when something needs to go further. Just as importantly, you’ll help clients understand what their carbon data means for them and spot where else we can help.
If you want to lead meaningful climate work, see the real difference it makes to clients and help shape how our practice grows, we’d love to hear from you.
We know great candidates don’t always tick every box. If you’re excited by this opportunity, share our purpose and believe you have the capability and ambition to succeed, we encourage you to apply.
Why join Optimised?
We’re not just another energy consultancy.
As a certified B Corp, we combine commercial performance with genuine environmental impact - helping organisations reduce energy consumption, control utility spend and accelerate decarbonisation.
With offices across the UK, this is an exciting opportunity to join a business with strong momentum, ambitious plans and a clear purpose.
Our solutions span:
We work closely with clients to deliver measurable operational and financial outcomes - not just reports and recommendations.
We’re looking for a Senior Sustainability Consultant to lead carbon accounting and climate disclosure projects for our clients, from the first conversation through to delivery and beyond.
Based in our Bristol office, you’ll join our Net Zero Advisory & Reporting team, working alongside Sustainability Consultants and Data Analysts. You’ll run your own projects from start to finish - shaping the scope, managing the commercials and making sure clients get work they can rely on - while guiding the day-to-day work of more junior colleagues.
You’ll be trusted to work independently and make sound decisions, and you’ll know when something needs to go further. Just as importantly, you’ll help clients understand what their carbon data means for them and spot where else we can help.
If you want to lead meaningful climate work, see the real difference it makes to clients and help shape how our practice grows, we’d love to hear from you.
We know great candidates don’t always tick every box. If you’re excited by this opportunity, share our purpose and believe you have the capability and ambition to succeed, we encourage you to apply.
Why join Optimised?
We’re not just another energy consultancy.
As a certified B Corp, we combine commercial performance with genuine environmental impact - helping organisations reduce energy consumption, control utility spend and accelerate decarbonisation.
With offices across the UK, this is an exciting opportunity to join a business with strong momentum, ambitious plans and a clear purpose.
Our solutions span:
- Utility Management
- Net Zero Reporting & Sustainability
- Energy Management, Data & Performance
We work closely with clients to deliver measurable operational and financial outcomes - not just reports and recommendations.
Carbon accounting
Climate disclosure and net zero
Project delivery
Sales and commercial
Developing others
Growing our practice
- Lead carbon accounting projects from start to finish, measuring Scope 1, Scope 2 and Scope 3 emissions in line with the Greenhouse Gas (GHG) Protocol.
- Own every stage, from setting boundaries and collecting data to calculations, quality checks and final reporting.
- Use carbon accounting software to manage client data, calculate emissions and produce clear, accurate outputs.
Climate disclosure and net zero
- Lead climate-related disclosure work based on the TCFD framework and the UK Sustainability Reporting Standards (UK SRS) that are replacing it for listed companies, including climate risk, scenario analysis, and metrics and targets.
- Contribute to net zero target setting and pathway work, including Science Based Targets initiative (SBTi) submissions.
- Support our Reporting team with SECR, and support our REGO, RGGO and wider renewable advisory services.
Project delivery
- Run projects from mobilisation to close, including planning, resourcing and timelines, and deliver the agreed scope within the agreed costings.
- Turn client requirements into a clear delivery plan, keep clients updated on progress and present outputs in a way that shows what they mean for the client.
- Raise commercial, delivery, quality or client risks early with the right person, with a clear view of the options.
Sales and commercial
- Lead proposals and client conversations, with support, from pre-sales through to contract - understanding what the client needs, shaping the scope, writing proposals and presenting pitches.
- Manage the commercial performance of your projects, tracking revenue, days spent and gross margin, and acting early on budget pressure or scope creep.
- Spot opportunities to support clients further across the Optimised portfolio.
Developing others
- Oversee the day-to-day work of more junior colleagues on your projects, giving clear and regular feedback.
- Mentor less experienced colleagues and contribute to internal training and knowledge sharing.
Growing our practice
- Produce thought leadership, such as papers and webinars, with our Sales and Marketing team to help educate the market and our clients.
- Stay up to date with climate policy, carbon accounting and disclosure standards, and keep our climate policy monitor current.
- Help develop consistent ways of delivering our services, including methodologies, templates and tools.
- Degree level qualification.
- At least 5 years’ carbon accounting experience, including leading Scope 1, Scope 2 and Scope 3 projects independently using carbon accounting software.
- Experience of climate-related disclosure work aligned with TCFD or UK SRS S2. Detailed knowledge of UK SRS S1 and S2, including the new requirements for listed companies, is desirable.
- Experience of leading proposals and client conversations, with support, from pre-sales through to contract.
- Confident managing the commercials of your projects, including revenue, days spent and gross margin.
- Able to work independently, escalate issues at the right time and oversee more junior team members within a matrix structure.
- The ability to explain complex carbon data simply and build relationships at all levels, including senior executives.
- Experience of SBTi target setting and validation, and of developing net zero targets, pathways or transition plans, is desirable.
- Experience of CDP reporting is desirable.
- Experience of REGOs, RGGOs and Renewable Energy Certificate (REC) services is desirable.
- Knowledge of carbon offsetting, including offset quality and the role of offsets in a credible net zero strategy, is desirable.
- Membership of a professional institute and a commitment to continuing professional development (CPD) is desirable.
- Ability to convey real passion and belief in the business and support the drive to a net zero world.
- Purpose driven mindset.
- An open and approachable manner, backed up by high moral and ethical standards.
- Passion for social or environmental issues.
- Proactive attitude that brings drive, energy and passion to the role.
- The ability to work in a fast-paced environment and be a strong team player.
- Exceptional communication and interpersonal skills with the ability to build strong relationships both digitally and in person.
- Eligibility to work in the UK.
As well as our values-led and inclusive culture, we also have a great benefits package:
Interested?
If you're excited by this opportunity and want to help accelerate the transition to net zero, we'd love to hear from you. If you have any questions before applying, please contact us at careers@optimised.net
We are committed to creating an inclusive and flexible working environment that promotes diversity. We encourage you to apply even if you may not have all the experience listed in the advert or are seeking an alternative working pattern. We recognise that talent comes in various forms, and we are committed to providing opportunities that create an environment of growth, diversity and inclusion for everyone
If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best - please let us know so we can talk about how we can best support you and make any adjustments that may be needed. In your application, please feel free to note which pronouns you use.
Recruitment agencies
We do not work with agencies at Optimised and will not consider CVs or speculative proposals from any agencies therefore we kindly request you not to contact us.
Any CVs received from any agency will be considered as unsolicited and the property of Optimised, with no obligation to pay agency fees.
- 25 days annual leave increasing to 28 days with length of service (+ bank holidays)
- Option to buy / sell up to 3 days holiday each year
- Contributory pension scheme (5% matched)
- Life insurance
- Private medical insurance
- Enhanced family leave policies
- Award-winning employee assistance helpline and online GP service
- Cycle to work and EV car scheme
- Annual railcard
- Annual flu jab and eye test
- A professional development and sustainability allowance
- Two sustainable holiday travel days
- One paid volunteering day each year for a charity of your choice
- Up to one professional membership fee paid for by the Company each year
- Reward for introductions scheme
Interested?
If you're excited by this opportunity and want to help accelerate the transition to net zero, we'd love to hear from you. If you have any questions before applying, please contact us at careers@optimised.net
We are committed to creating an inclusive and flexible working environment that promotes diversity. We encourage you to apply even if you may not have all the experience listed in the advert or are seeking an alternative working pattern. We recognise that talent comes in various forms, and we are committed to providing opportunities that create an environment of growth, diversity and inclusion for everyone
If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best - please let us know so we can talk about how we can best support you and make any adjustments that may be needed. In your application, please feel free to note which pronouns you use.
Recruitment agencies
We do not work with agencies at Optimised and will not consider CVs or speculative proposals from any agencies therefore we kindly request you not to contact us.
Any CVs received from any agency will be considered as unsolicited and the property of Optimised, with no obligation to pay agency fees.
