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Join to apply for the BID Writer role at Guillaume Masson

Job Title: Proposal Writer

Rate: £204 per day

Contract: Up to 12 months | Full-Time

Are you a confident proposal or bid writer with a track record of delivering high-quality, winning submissions? Do you enjoy turning technical input into compelling content? If so, this could be your next step.

Job Title: Proposal Writer

Location: Hybrid with potential for fully remote

Rate: £204 per day

Contract: Up to 12 months | Full-Time

Are you a confident proposal or bid writer with a track record of delivering high-quality, winning submissions? Do you enjoy turning technical input into compelling content? If so, this could be your next step.

We are looking for an experienced and driven Proposal Writer to join a high-performing bid team focused on delivering winning proposals across environmental, waste, energy, and water sectors.

What You'll Be Doing

• Writing persuasive, tailored content that clearly communicates the company's value proposition to clients
• Leading the creation of project summaries, executive overviews, methodologies, and case studies
• Working closely with operational teams, subject matter experts, and business development teams to gather input and shape proposal strategies
• Ensuring all written content is clear, concise, and aligned with the client's tender requirements and brand tone
• Maintaining and improving bid library content, supporting continuous improvement in bid quality
• Participating in client feedback sessions and using insights to improve future responses
  
  

• Strong background in bid/proposal writing within utilities, construction, environmental services, or facilities management
• Proven experience writing high-value bids (typically over £150k)
• Ability to manage multiple proposals and tight deadlines with confidence
• Excellent communication and stakeholder engagement skills
• High attention to detail with strong proofreading and editing ability
• Familiar with G Suite or other proposal automation tools
• Degree-level qualification and ideally APMP certified (or equivalent)
• Rates depend on experience and client requirements
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Marketing, Public Relations, and Writing/Editing

• Industries

  Marketing Services

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