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Technical Proposal Writer

Portchester, United Kingdom

Job ID IMS20222106-84668
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Our team in the UK has an unwavering focus on our commitment to excellence in everything we do, delivering mission solutions with speed, innovation and flawless execution.

  • Full Time
  • Level: Experienced
  • Location: On Site
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful team member at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Collaborative
  • Detail-Oriented
  • Influential
  • Organised
  • Strategic
  • Technical


A dynamic market environment combined with pioneering technology and a collaborative team, makes every day interesting and engaging.

Thomas, Program Finance Manager, Crawley, UK

L3Harris Work Perks

  • Health

    • Private medical insurance and group life assurance
    • Benefit allowance to help you pay for insurance
    • Options for dental and critical illness coverage as well as a health cash plan and gym membership

  • Family

    • Employee and Family discount programme
    • Employee Assistance Programme
    • Optional partner life assurance

  • Well-Being

    • Generous annual holiday allowance
    • Retirement savings plan with employer contribution
    • Employee assistance programme to provide advice and guidance on finance, mental health, and more
    • Casual “dress for your day” policy

Job Description

L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Technical Proposal Writer

Location: Portchester, United Kingdom

Job ID: IMS20222106-84668

Applications will ONLY be considered for candidates who are eligible to work in the United Kingdom.


We are looking to appoint a Technical Proposal Writer to join our team based in Portchester, Hampshire. The Technical Proposal Writer will play a prime role in the generation of the technical elements of bids and proposals as well as other related documentation in support of Business Development and Product Management.

The position is ideal for an individual with very strong attention to detail and a genuine interest and understanding within engineering. Good communication skills are critical as this role will involve close collaboration with a wide range of stakeholders across Engineering, Business Development, Sales and Marketing and Operations.

Primary responsibilities include:

  • Production, maintenance, update and verification of technical documentation
  • Support to Business Development and Sales by developing the technical elements of assigned bids and proposals
  • Support to Product Management by developing capability definitions and product datasheets
  • Working closely with all the relevant teams across the business to understand the technology, products and services.


  • Seeing the Big Picture
  • Leading & Communicating
  • Collaborating and Partnering
  • Building Capability for All
  • Delivering at Pace
  • Managing a Quality Service
  • Achieving Commercial Outcomes

Essential Experience:

  • Contribution to bids and proposals
  • The ability to produce and deliver high quality, well formatted technical documentation.
  • A particular attention to detail in the production of written and published material.
  • Excellent written skills in English.

Desirable Experience:

  • Some engineering exposure, ideally with some form of qualification and/or technical experience in a relevant engineering discipline.
  • Use of graphics/image editing software (e.g Adobe Photoshop) for photo manipulation.
  • Previous experience operating small boats (sail/power).
  • Some understanding of working with technical requirements

Benefits: In addition to a competitive salary, we provide a range of flexible benefits including:

  • Auto Enrolment Retirement Savings Plan (up to 7% employer contribution)
  • Group Life Assurance, Private Medical Insurance and Income Protection
  • Employee Assistance Programme
  • 25 days annual leave, plus bank holidays and holiday buy/sell
  • Discounts with travel, major retailers, family days out and much more
  • Cycle to Work Scheme
  • Free parking (subject to availability)
  • Free mortgage advice
  • Plus, a range of other flexible benefits

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