Proposal Writer

  • Full Time
  • Portsmouth
  • Applications have closed.

Website SubSea Craft Ltd

Advanced Maritime Technology

Proposal Writer


  • Salary: £50,000-£60,000 DOE
  • Full Time
  • Permanent


Who we are: SubSea Craft is a fast growing, privately-funded, UK-based SME delivering Advanced Maritime Technology. We leverage our team’s defence experience with cross-industry partnerships in the field of advanced naval engineering. Our flagship product, VICTA, is a Diver Delivery Unit – a surface submersible craft designed to operate at speed over range and capable of rapid transition beneath the surface to operate submerged, enabling the discreet delivery and recovery of divers. It is a unique, innovative British product focused primarily on the defence market but with utility beyond.

What we offer:

  • Private Healthcare with optional family cover
  • Life Assurance (4 x salary)
  • Critical Illness Cover
  • Unlimited Paid Holiday
  • Ongoing professional development and training
  • Pension contribution
  • Flexible Working
  • A culture of diversity and innovative thinking


We are an innovative, dynamic, and progressive company on a mission to develop the world’s most advanced maritime technology solutions for novel and complex problems.  As we continue to grow, we are seeking a seasoned Bid Manager with a passion for technology to support our bid development process.

Role and Responsibilities:

As a Proposal Writer at SubSea Craft you will play a crucial role in securing new business opportunities within the defence market. You will be responsible for the development of high-quality, compelling proposals that meet client requirements and align with our strategic goals. This position requires an understanding of the global defence market, excellent communication skills, technical writing expertise and the ability to collaborate with cross-functional teams.

Key Responsibilities:

  1. Bid Development: Lead the bid development process from inception to submission, working closely with technical and business development teams to create winning proposals.
  1. Market Research: Stay abreast of industry trends, competitor activities, and government policies to inform bid strategies and positioning.
  1. Proposal Writing: Produce well-written, technically accurate, and compelling proposals that clearly articulate the value proposition and address client needs.
  1. Bid Management: Oversee the entire bid lifecycle, including coordinating internal resources, managing timelines, and ensuring compliance with submission requirements.
  1. Risk Assessment: Identify potential risks associated with bids and work with relevant teams to develop mitigation strategies.
  1. Quality Assurance: Conduct thorough reviews of proposals to ensure accuracy, completeness, and compliance with client specifications.
  1. Post-Bid Analysis: Evaluate the outcomes of bids, identifying areas for improvement, and contributing to lessons learned for continuous enhancement of the bid process.



  • Proven experience in bid writing and bid management, preferably within the defence sector.
  • An understanding of the defence market, procurement processes, and relevant industry standards.
  • Excellent written and verbal communication skills with the ability to convey complex technical information in a clear and concise manner.
  • Strong project management skills, with the ability to manage multiple bids concurrently.
  • Collaborative mindset with the ability to work effectively across departments and with external partners.
  • Familiarity with relevant regulations and compliance requirements in the defence industry.


  • Bachelor’s degree in a relevant field (e.g., Business, Engineering, or a related discipline).

If you don’t meet the exact requirements above but think your skills can offer something to Subsea Craft, we’d love to hear from you.


Note: Due to the nature of work undertaken at SubSea Craft, the selected candidate must be capable of meeting the security requirements of the position, which would include as a minimum Existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), with Security Check likely for specific projects.*


Values: Our people are our greatest asset, we continually strive to provide an excellent working environment to enable our team to do their best work. We have an agile professional workforce: we are founded on the belief that our people are valued and our business is trusted, inclusive and commercially-adept.


What we expect from you:

  • Teamwork, mutual respect and collaboration
  • Initiative and independent working
  • Honesty and integrity
  • Business and commercial awareness
  • Agility, adaptability and continuous development

We regret that due to the high volume of applications we are unable to acknowledge every application. Please bear in mind that if you are selected for an interview we will aim to contact you within 14 days of your application or the closing date (if stated). However, if we think that your skills and qualifications may be suitable for other similar positions we may hold your details on our database and contact you in the future. Please let us know if you do not wish us to keep your details on file.

*Please note that DBS, Driving Licence and reference checks will be carried out and all offers of employment are subject to meeting our requirements.

Our mission is to secure the competitive advantage through the accelerated research, development, and delivery of maritime technology.