Assistant Proposals Manager

Willmott Dixon; Greater London; Hybrid; GBP 42,000 - 62,000; Full time

Job summary

Willmott Dixon is seeking an Assistant Proposals Manager to develop high-quality submissions for interiors construction projects. You will coordinate content with project teams and SMEs, ensuring timely responses from early research through submission, while working flexibly from home and our central London office opposite the Old Bailey.

The role requires strong organisational skills, bid-writing ability, and familiarity with Microsoft Office and Adobe InDesign.

Qualifications

• Experience in a bid, proposals or work-winning environment.
• Strong organisation and coordination skills with multiple deadlines.
• Experience coordinating content and contributions from internal stakeholders.
• Strong written communication with attention to detail.
• Experience using Microsoft Office.
• Adobe InDesign or wider Adobe Suite experience.
• APMP membership or certification.
• Relevant degree or equivalent qualification.

Responsibilities

• Coordinate bid content from multiple stakeholders to produce high-quality submissions.
• Track contributors, information and deadlines from opportunity research to submission.
• Collaborate with Project Managers, Proposals Team and subject matter experts.
• Support opportunity research and manage relevant portals.
• Coordinate presentation of bids with graphic design colleagues.

Skills

Bid/proposals experience

Organisational & coordination skills

Content coordination across internal s

Written communication

APMP membership/certification

Stakeholder relationship building

Education

Relevant degree or equivalent qualification

Tools

Microsoft Office

Adobe InDesign / Adobe Suite

Job description

Are you an organised and creative proposals professional looking to further develop your career in work winning? We’re looking for a motivated and detail-focused Assistant Proposals Manager to support the development of high-quality submissions that help us win exciting interiors construction projects across a diverse range of sectors.

Working as part of our Proposals team, you’ll collaborate with Project Managers (Proposals), Proposals Managers, project teams and subject matter experts to coordinate content and contributions across multiple bids. You’ll help keep information, contributors and deadlines on track from early opportunity research through to submission.

Working flexibly from home and from our office opposite the Old Bailey in central London, you’ll have experience in a bid, proposals or work winning environment - perhaps as a Bid Coordinator, Bid Writer, Bid Assistant, Proposals Coordinator or in a similar role. You’ll have strong organisational and communication skills, with the ability to coordinate multiple stakeholders, work to tight deadlines and produce clear, accurate and engaging content. Microsoft Office experience is essential, with Adobe InDesign or wider Adobe Suite experience desirable.

As the successful Assistant Proposals Manager, you’ll be a key point of contact for proposal content, coordinating timely responses from across the business and supporting the production of consistent, high-quality submissions. You’ll also support opportunity research, manage relevant portals and work with colleagues in graphic design to coordinate the presentation of our bids.

The Project

Essential and Desirable Criteria

Essential skills:

• Experience of working in a bid, proposals or work winning environment.
• Strong organisation and coordination skills, with the ability to manage multiple deadlines.
• Experience of coordinating content and contributions from a range of internal stakeholders.
• Strong written communication skills, with good attention to detail.
• Experience of using Microsoft Office.
• Ability to build positive working relationships and collaborate effectively across teams.
• Experience of Adobe InDesign or the wider Adobe Suite.
• Relevant degree or equivalent qualification and/or APMP membership or certification.

Personal Qualities

• Be a collaborative team player who builds positive relationships.
• Take ownership for coordinating activity and keeping work on track.
• Prioritise and plan effectively to deliver agreed objectives.
• Present information clearly, concisely and accurately.
• Identify customer needs and expectations and strive to deliver them.
• Be proactive in seeking information, support and practical solutions.
• Set high standards for the quality and accuracy of your work.

Additional Information

About Us

With over 170 years of rich history, Willmott Dixon’s purpose is beyond profit; delivering brilliant buildings, transforming lives, strengthening communities and enhancing the environment so our world is fit for future generations. Ensuring that we add lasting value to the neighbourhoods we work in; our values, people, innovation, partnerships and focus on sustainability has allowed us to build a successful and solid privately owned business where our people can thrive.

Willmott Dixon was recognised by The Sunday Times as one of the Top 10 ‘Big’ Companies to Work For in 2025, named among the Times Top 50 Employers for Gender Equality in 2024, and ranked in the Top Five of Europe’s 1,000 best workplaces by the Financial Times in 2025.

Willmott Dixon is also the first major contractor and developer to win a King's Award for Enterprise in the category of sustainable development.