Business Development Manager – Sustainability

CARBON3; Sevenoaks; On-site; GBP 40,000 - 60,000; Full time

Job summary

Join CARBON3 as a Business Development Manager to drive growth in renewable energy solutions. You will spearhead sales strategy, client relations, and market expansion in a mission-led business focused on sustainability. This role offers competitive base salary, uncapped commission, and real career progression as we scale.

Benefits

Competitive base salary + uncapped commission

Real career progression as we scale

EV salary sacrifice scheme

25 days annual leave + 8 bank holidays

Access to Employee Assistance Programme (EAP)

Ongoing training & development

Company events and socials

Company pension

Qualifications

• Strong sales background with Housing Associations, Local Authorities, or new build contractors.
• Experience in renewables, energy efficiency, or EV is desirable.
• Proven ability to grow revenue and foster client relationships.

Responsibilities

• Define and implement winning sales strategies.
• Engage with key decision-makers to build long-term value.
• Drive lead generation and cultivate strategic partnerships.

Skills

Sales

Client Relationship Management

Market Expansion

Bid Management

Market Intelligence

Job description

Business Development Manager – Sustainability

Business Development Manager – Sustainability

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At Carbon3, we’re on a mission to accelerate the UK’s transition to net-zero. Since 2019, we’ve partnered with major names across housing, local government, commercial, and new build construction sectors to deliver cutting-edge renewable energy solutions – from large-scale Solar PV and Air Source Heat Pumps to EV charging infrastructure and ESG-focused retrofit programs.

Whether it’s a 1,000-home new build scheme, a public sector decarbonisation project, or a national O&M portfolio, our team delivers high-impact results that are commercially sound and environmentally focused.

About the Role

We’re growing fast – and we’re looking for an ambitious Business Development Manager to help us scale. You’ll be at the forefront of our pipeline and revenue growth in Solar PV, ASHPs, EV Charging, and Maintenance (O&M), with a particular focus on Housing Associations, Local Authorities, Facilities Management, and New Build Construction.

What You’ll Be Doing

• Sales Strategy: Define and implement winning sales strategies across new and existing markets.
• Client Relationships: Engage with key decision-makers in housing, new build development, public sector, and commercial spaces – building long-term value.
• Market Expansion: Drive lead generation, qualify opportunities, and cultivate strategic partnerships.
• Bid Management: Lead the preparation of compelling proposals and tenders, backed by technical and delivery teams.
• Performance & Forecasting: Monitor pipeline progress, report on performance, and refine approaches to optimise results.
• Market Intelligence: Keep ahead of policy, funding, and competitor developments to sharpen our competitive edge.

What You’ll Bring

• Strong sales background with Housing Associations, Local Authorities, Facilities Management, or new build contractors and developers.
• Experience in renewables, energy efficiency, or EV is highly desirable.
• Proven ability to grow revenue and foster long-term client relationships.
• Confident in proposal writing, presenting and closing deals.
• Team player with strong collaboration and communication skills.
• Proactive, self-starter mindset suited to a high-growth, mission-led business.

What You’ll Get

• Competitive base salary + uncapped commission
• Join a mission-led business focused on sustainability & impact
• Real career progression as we scale
• EV salary sacrifice scheme
• 25 days annual leave + 8 bank holidays
• Access to Employee Assistance Programme (EAP)
• Ongoing training & development
• Company events and socials
• Company pension

Ready to Build a Better Future With Us?

Apply now to join a fast-growing team where your voice will be heard, your work will matter, and your career will thrive.

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Business Development and Sales

• Industries

  Services for Renewable Energy

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