Assistant Bid Manager Business and market development - Business development

This is a fixed term (maternity cover) role until 16 May 2027

As an Assistant Bid Manager, you’ll support the Business and Market Development team to deliver high‑quality, compliant bids that help secure revenue and grow Energy Saving Trust’s impact. You’ll assist the Strategic Bid Manager across the full bid lifecycle, identifying and tracking new opportunities, maintaining accurate pipeline records, and coordinating bid content, reviews and sign‑off processes.

You’ll help shape strong bid responses, support commercial inputs, and ensure stakeholders are well‑briefed and aligned. A key part of your role is maintaining our central content hub, keeping case studies, CVs, templates and key company information up to date so the team can work efficiently. You’ll also build confidence using our core digital tools (Click Up, Teams, SharePoint, Contracts Advance and Salesforce) to improve collaboration and ways of working.

This varied, hands‑on role offers a clear growth path: within six months, you’ll progress from supporting individual bid tasks to confidently coordinating full end‑to‑end bid delivery while helping strengthen processes and boost bid quality.

You’ll join our Business and Market Development department, working closely with a small, friendly and highly collaborative Bid team. We bring together people from across the organisation to create strong, competitive bids that drive meaningful impact. We’re organised, supportive, and always looking for better ways to work. Sharing ideas, improving processes, and celebrating wins together. It’s a great place to learn, grow and build your career in bid management.

• Spot and shape new opportunities – You’ll monitor and manage our opportunity pipeline, identifying the tenders and frameworks that matter. Ensuring the right people are engaged at the right time.
• Coordinate compelling, compliant bids – From structuring content to supporting pricing, timelines, reviews, and approvals, you’ll help drive bids forward with clarity and confidence.
• Champion brilliant bid content – You’ll develop and maintain our content hub—the case studies, templates, CVs and company information that help us tell our story consistently and persuasively.
• Make us smarter and faster – You’ll help us get the most from our tools (Click Up, Teams, SharePoint, Contracts Advance, Salesforce), finding better ways to collaborate, plan, and deliver.

• Experience contributing to winning bids or proposals, or clear transferable skills from roles involving writing, coordination or project support.
• Excellent written communication, with strong attention to detail and a natural ability to organise information.
• A proactive, collaborative mindset – you enjoy helping things run smoothly and supporting colleagues to succeed.
• Confidence managing multiple tasks and deadlines, with strong admin and organisational skills.
• Comfortable using Microsoft Office, especially Word, Excel and Teams.

Please submit an anonymised CV and cover letter, removing your name, address, email address and any other identifying details. Please note, applications submitted without a cover letter may be rejected.

Energy Saving Trust is a leading and trusted organisation, dedicated to promoting energy efficiency, low carbon transport and sustainable energy use. We aim to address the climate emergency and deliver the wider benefits of clean energy as we transition to net zero.

At Energy Saving Trust we don’t just offer jobs – we offer careers. For our people, being part of the effort to address the climate emergency makes working for us truly meaningful and rewarding.

At Energy Saving Trust, flexibility isn't just a policy, it's how we work. Most of our roles can be done remotely, and many of our people choose to work from home full-time. Prefer an office environment? We have welcoming spaces in London, Edinburgh, Belfast, Cardiff and Hadleigh for those who want to connect in person.

We’ll support you with:

• Generous holiday (25 days + bank holidays + extra Christmas leave)
• True flexibility in how and where you work
• Strong pension & life assurance
• Enhanced family…