Salary: £38,000 - 71,000 per year Requirements: Membership, or working towards membership, of the Chartered Institute of Ergonomics and Human Factors (CIEHF) Proven experience applying Human Factors in a defence or safety-critical environment Strong understanding of Human Factors Integration (HFI) Experience in HCI design, specification, and prototyping using tools such as Axure RP or similar Demonstrable experience in task analysis, user research, and human-centred design methods Experience working with complex systems and mission planning or control environments Ability to collaborate effectively with systems and software engineering teams Experience producing technical briefings and stakeholder updates Relevant professional experience in a similar Human Factors role is highly desirable Responsibilities: Deliver Human Factors Integration activities across the system development lifecycle in line with relevant standards Analyse operator roles within complex systems, particularly in mission planning and control environments Define and maintain Human-Computer Interface design artefacts and specifications Lead and support structured user engagement activities to inform design decisions Contribute to a human-centred design approach through task analysis and requirements development Collaborate with multi-disciplinary teams including systems and software engineering Support demonstrator activities, including planning and facilitating user trials and engagement sessions Deliver technical briefings and stakeholder updates as required Technologies: Support UX UI Design More: We are a leading organisation in the defence and advanced technology sector, and we are seeking a Human Factors Engineer to join our high-performing and well-established team. This is a fantastic opportunity to help shape cutting-edge systems used across land, air, and sea domains, with involvement throughout the full development lifecycle to ensure systems are safe, intuitive, and optimised for real-world operational use. You will contribute to mission-critical technology with direct exposure to end users and the opportunity to influence system design from concept through to delivery. We offer the chance to work on innovative programmes within a collaborative, multi-disciplinary environment, supporting meaningful human-centred design in a safety-critical setting. last updated 21 week of 2026