At Hadean, we are building the next generation of defence technology. As a key player in the UK’s defence tech ecosystem, our world-leading software is trusted by defence organisations and militaries worldwide.

We specialise in AI-powered digital wargaming and Command & Control systems that help users understand complexity, make better decisions, and operate at scale. Joining Hadean means working on technology with real-world impact, alongside a team that is driven to push the limits of what’s possible.

The Role

We are looking for a talented and motivated technical writer who can communicate technical concepts effectively. In this role, you will author documentation and content to help Hadean and our partners succeed. This will include internal, customer, and user-focused content. You will collaborate with Product Managers / Specialists, Engineers, and Field Engineers to lead in the construction of comprehensive guides, documentation, and explanations of our products and their functionality.

Key Responsibilities

• Author and maintain product documentation

• Write guides and tutorials for onboarding users and developers

• Write API specifications for services and SDKs

• Collaborate with Engineers and Field Engineers in an agile development environment

• Work with people across the organisation to collect and centralise information

Skills Knowledge and Expertise

• Excellent written and spoken English communication skills

• Experience writing technical documentation

• Comfortable writing detail-oriented, user-centric material

• Good at learning and understanding technical concepts

• Experience with version control such as git

• Knowledge of OpenAPI / Swagger is nice to have

• Experience with agile processes and Atlassian technologies such as Jira is nice to have

Job Benefits

We make Hadean an awesome place to work with competitive benefits…

• The option to work from home or from our fantastic office in Shoreditch, London

• Private Health Insurance

• Enhanced pension scheme

• Flexible working

• Enhanced parental leave

• 3 extra days off at Christmas (on top of our standard 25)

• L&D budget

• Quarterly business reviews with team dinners and events (including global virtual social events)

• Regularly scheduled socials

• Share options

• Quarterly awards with cash prizes

A Place For Everyone

We believe diversity drives innovation and for that reason we strongly encourage those from all backgrounds to apply for roles at Hadean. We are an equal opportunity employer and aim to build a workforce that is truly representative of the communities in which we operate and our clients.

If you need reasonable adjustments at any point in the application or interview process, please speak with the People team who will be happy to support you. If you have a preferred pronoun, please feel free to highlight this during the process (e.g. she/her, he/him, they/them, etc.).