Senior Proposals Executive in Bristol

Reporting to: Proposal Manager

Closing date for applications: Monday 16 February 2026

This role is based in London or Bristol and requires existing right to work in the UK. At this time, we are not able to offer visa sponsorship for this role.

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.

Job details:

• Location: London/Bristol - Hybrid
• Salary: £56,000 - £70,000
• Team: Commercial Operations

About Kaluza:

Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

What you’ll be doing:

As Senior Proposal Executive in a growing team, you’ll have an exciting opportunity to help shape and embed processes. Supporting the Proposal Manager, your efforts will drive efficiency, improve quality, and deliver to the business a high performing proposals function where your contributions will be recognised.

Your key responsibilities will broadly include:

• Leading the end-to-end proposal response process, particularly for high value and strategic opportunities, including writing, editing, and coordinating responses to RFPs and RFIs.
• Collaborating with cross-functional teams – including sales, pre-sales, product, engineering and other business functions – to respond to live queries and proactively develop evolving content.
• Peer-reviewing colleagues’ drafts.
• Developing deep product knowledge over time, to translate complex information into clear, persuasive, and client-focused content.
• Ensuring compliance with proposal guidelines by reviewing submission requirements, tracking deadlines, and delivering polished, on-brand proposals consistently.
• Being a driving force in managing and maintaining the Loopio content library, working with SMEs to ensure content remains accurate and reliable, and taking ownership and content specialism of assigned sections.

About you:

Ideally you’ll be:

• Technically minded and detail oriented, with the ability to write clearly and effectively.
• Highly experienced in the proposal management space.
• Extremely organised personally, and strong at keeping others focused and organised around a project, often in the face of competing priorities.
• Clear, confident and able to collaborate effectively with subject-matter experts.
• Self-driven, resourceful, and enthusiastic about developing specialised technical and company-specific knowledge (and content).

What will set you apart:

• Energy, SaaS, or technology experience.
• The ability to maintain quality in a fast-paced environment.
• A flexible approach in the face of shifting priorities.
• A focus on continuous process improvement – and the ideas and energy to make it happen.
• Proficiency – or the motivation to rapidly become proficient – with proposal management tools (we use Loopio) and Google Workspace for document creation and organisation.
• Fluency in Japanese would be of interest (but is not a key requirement).

Kaluza values:

Here at Kaluza we have five core values that guide us as a business: We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.

From us you’ll get:

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday
• Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like
• Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
• Dedicated personal learning and home office budgets
• And more…

We want the best people:

We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.