Job Description

Date Posted:

2026-05-14

Country:

United Kingdom

Location:

Harlow, Essex

Position Role Type:

Hybrid

Raytheon UK has an exciting new opportunity for a Proposal Manager to join our team.

As Proposal Manager, you will be a core part of the team build around our bids – you will be responsible for managing content creation, ensuring all response documents reflect the agreed proposal strategy, value propositions, and win themes.  You will lead document authors in preparation of all proposal content and artefacts, ensuring compliance, responsiveness, quality, and consistency.  Responsible for creating and maintaining the book plan for each opportunity, the Proposal Manager co-ordinates bid writing resources and activities to deliver content to the Bid Manager in accordance with the agreed bid schedule.

Our Proposal Manager is also responsible for coaching document authors in bid writing best practices and persuasive writing techniques. To be successful in this role the Proposal Manager will quickly form working relationships within bid teams and will be required to be flexible to support the development of winning proposals.

You must be eligible and willing to gain BPSS and SC clearance, possible DV clearance.

Key Responsibilities:

• Ensure ITT/RFP/ITN requirements for the bid submission are identified and addressed and develop recommendations for the appropriate proposal document structure.  
• Work with the Bid Manager and subject matter experts to populate content plans in advance of the Bid / Proposal kick-off.   
• Lead the document authors in preparation of all proposal volumes and artifacts, and presentation collateral, delivering completed inputs to the Bid Manager against agreed deadlines, escalating issues as required.  
• Develop and maintain the book plan, managing and co-ordinating content creation activities and resources to time and schedule, and preserving all key milestones within the wider bid schedule.  
• Train / coach document authors / subject matter experts in bid writing best practices and persuasive writing techniques.  
• Responsible for developing and maintaining a standard Raytheon UK style guide and working with the Bid Manager to tailor the guide for each pursuit.  
• Lead and manage the pink/red/gold team review processes to assure proposal material quality, compliance and consistency in accordance with IPDS requirements; scheduling, organising and co-ordinating the mechanics of each review.   
• Manage the final editing, production and delivery of the Proposal (utilising proposal production staff).  
• Ensure configuration control of all key proposal documentation and ensures effective communication of changes to key stakeholders.
• Lead adoption of new software and workflows in proposal writing as required.

Required Skills and Experience

• Positive attitude – the successful candidate will be able to rapidly form relationships in newly formed bid team and will be the focal point in the bid room for the proposal.
• Demonstrable experience of managing complex proposals in a technical market
• Strong Attention to detail – experience of managing a structured and rigorous approach to ensure proposal compliance
• Experience of persuasive writing – must be able to develop and embed our win themes in every proposal
• Experience of leading successful Colour Team reviews

Desirable Skills and Experience:

• APMP Bid Management Practitioner Certification or similar
• Track record of winning bids with the UK Ministry of Defence.
• Experience of delivering writing and proposal training
• Experience of successful use of specialist proposal tools

Benefits and Work Culture

• 37hr working week with early finish Fridays - start your weekend early!
• 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days and up to 5 paid days volunteering
• 10.5% company pension contribution with 6% employee contribution
• Annual company bonus scheme (discretionary)
• 6 times salary Life Assurance with pension
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work, amongst others
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Raytheon UK

We take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.

Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.

RTX

Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon.

Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales.

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RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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