Senior Bid Writer

Mott MacDonald; Birmingham; On-site; GBP 40,000 - 60,000; Full time

Job summary

Mott MacDonald is seeking a Bid Writer to produce high-quality, compliant responses for complex tenders in the transportation sector. You will collaborate with specialists to craft compelling narratives, embed win themes, and ensure accuracy across all submissions.

You will drive the content lifecycle, apply AI-assisted drafting wisely, and help refine proposals to meet client goals while maintaining strict deadlines and quality standards.

Qualifications

• Excellent report and bid/proposal writing skills with strong attention to detail.
• Track record of writing high-scoring responses in competitive bids, with evaluator feedback.
• Experience developing winning proposals and bid content across complex procurements.
• Ability to prioritise and work under pressure to tight deadlines.
• Professional qualifications such as APMP, CIM, CEng or equivalent; familiarity with Shipley bid processes.

Responsibilities

• Lead the writing and production of bid responses for high-value opportunities.
• Coordinate inputs from subject matter experts and ensure responses meet tender requirements.
• Direct the use of AI tools to create first drafts, then refine with win themes and evidence.
• Verify every fact and figure against source material before submission.
• Contribute to bid reviews and post-award lessons learned for continual improvement.
• Support bidding strategy and knowledge-sharing across the business.

Skills

Bid writing

Proposal writing

Attention to detail

Communication skills

AI-assisted writing

Verification of content

Team collaboration

Education

Degree standard education

Job description

Birmingham, United Kingdom / Croydon, United Kingdom / London, United Kingdom

Location/s: London, Croydon or Birmingham; UK

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.

About the business unit

We help conceive, drive, and implement transport solutions for cities, regions, and asset owners/operators around the globe. From preparing the business case and advising on related issues - such as revenue, procurement, and environmental legislation - to delivering the completed infrastructure and helping maintain it. Our planning, engineering, environmental and management skills cover the whole project cycle. We play a major role in developing and delivering the Global Transport Sector Strategy.

Overview of the role

Based in the Transportation business unit you will have a technical profilespanning bid response production. The Bid Writer will be responsible for preparing winning bidresponses. You will use your facilitation and people skills to craft appropriately pitched technical inputinto compliant submissions that hit the evaluation criteria, address client hot buttons and showcaseour win themes. You will review bid feedback and learn from client and other comments to drivecontinual improvement in bid production.

Key responsibilities and duties include:

• Working with subject matter experts across the business to drive, lead and assist in the writingand production of best in class bid quality answers that meet the quality and scoring criteria ofhigh value and complex bids, tenders, proposals including PQQ and ITT responses
• Analyse tender documents, evaluation criteria and client requirements
• Coordinate contributions from multiple stakeholders and ensure responses are accurate,consistent and submitted on time
• Challenge and improve technical content to ensure it demonstrates value to the client
• Ensure all bid responses are compliant with the requirements of the tender
• Ensure responses demonstrate measurable outcomes and benefits
• Direct generative AI tools to produce structured first drafts grounded in approved content, thensubstantially rework the output to embed win themes, client-specific insight and evidence
• Verify every fact, figure, case study and claim in AI-assisted content against source material before it enters review, treating unverified AI output as a compliance risk
• Deliberately differentiate, identify and eliminate generic, AI-default language so responses couldonly have been written for this client, by this business
• Working with Mott MacDonald’s practice leaders and technical and regional directors to developthe narratives for client-facing material including bid submissions
• Leading on storyboarding sessions as outlined in the Company’s Business Management System to develop bid answers
• To carry out relevant research and liaise with appropriate departments and specialists to obtainrelevant information/details to allow written solutions to be developed and considered
• Taking part in bid reviews, listening to and responding to feedback
• Supporting the management of bid production
• Assisting with the development of bidding strategy and delivery processes based on continualimprovement including capturing of benefits, added value and innovation
• Facilitate communication during and after bids are submitted both internally and externally
• Ensuring feedback is understood and implemented
• Sharing best practice across the business to enhance quality submissions
• Taking note of industry developments and evolving client drivers to align bid responses with client project strategic goals and objectives
• Contributing to a knowledge bank of bid material, evidence and responses to facilitate strategicdevelopment of quality responses
• Acting as a champion of and acts credibly in accordance with the organisation’s values (PRIDE)
• Degree standard education

Plus a strong combination of the following:

• Experience in the Transportation sector and or other Engineering sector
• Excellent report and bid/proposal writing skills- with a specific focus on attention to detail
• A track record of writing high-scoring responses in competitive bids, with evaluator feedback or scores to evidence it
• Evidential experience of developing winning proposals
• Ability to prioritise and able to work under pressure
• Ability to establish and maintain excellent working relationships with colleagues and potential clients, with a particular focus on sharing best practice with colleagues
• Ability to demonstrate a flexible approach to work which may involve flexible working hours
• Professional qualification i.e. APMP, CIM, CEng or equivalent
• Ability and experience of bid management and response processes, such as Shipley

We want someone who:

• Has an excellent command of both written and spoken English
• Has a talent for writing bid responses that answers a client’s brief
• Has an ability to listen and interview subject matter experts with an output that marries words to grab attention and get the message across effectively
• Has first class personal and communication skills with the person being confident to engage with senior directors of the business
• Skilled in AI-assisted writing: prompt design and critically, editing AI output into distinctive, evidence-rich, high-scoring responses
• Able to articulate a clear personal method for verification and for avoiding the homogenised tone of unedited AI text
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