Human Factors Engineer

Company: Certain Advantage
Apply for the Human Factors Engineer
Location: Bristol
Job Description:

Position Overview

World Class Defence Organisation based in Bristol (split between working from home and onsite) is currently looking to recruit a Human Factors Engineer subcontractor on an initial 6 month contract.

Rate: £90.00 per hour

Overtime Rate: Hours worked over the standard 37 hours per week will be paid at time and a quarter

Location: Bristol

Hybrid / Remote working: circa 3 days onsite

Duration: 6 Months with very likely extension. Contracts are often ongoing and long‑term thereafter.

Interview process: One stage video interview

Background

The military operating environment is becoming more complex and new technological capabilities are required to ensure operational advantage. We believe that integration of Human Factors is critical to the development of safe, usable and effective systems. The Human Factors department is responsible for ensuring that user capability is fully considered in the weapon system, from initial concept design through development and delivery to the customer.

You will be joining a team recognised by UK MoD as an industry leader in the delivery of Human Factors Integration where you can influence systems as they develop from concept to delivery and gain first‑hand experience of working with military users.

Our team works transversally across projects through the development lifecycle, providing capabilities to users across Land, Air and Sea with ongoing projects across Battlefield, Surface Attack, Deep Strike & Air Defence domains.

Responsibilities

You will be part of the Human Factors team defining the HF elements of an anti‑ship weapon system and its mission planning and control solution against a Naval Surface Warfare requirement.

We are looking for a highly capable and enthusiastic Human Factors Engineer to support definition of the Human Computer Interface for the mission planning and control solution, including conduct of a structured programme of user engagement.

Specific duties to include:

  • Conduct Human Factors Integration through the development lifecycle, providing progressive assurance to the customer as per Def Stan 00-251
  • Analyse and assess the role of the operator within the weapon system, considering mission planning and control
  • Define and maintain HCI design and specification artefacts
  • Define and conduct user engagement activities to inform design as part of a Human‑Centred Design approach
  • Support and work closely with the wider systems teams, including provision of briefings where required
  • Coordinate across team to provide inputs to demonstrator requirements and organise and conduct user engagement events

Requirements

  • Member of the Chartered Institute of Ergonomics and Human Factors (CIEHF)
  • Experience applying Human Factors in a Defence context, including understanding of Defence Standards (e.g. 00-251)
  • Experience of Human Computer Interface design, specification and prototyping with tools such as AxureRP
  • Conduct core HF activities, including task analysis, requirements development and user engagement as part of a Human‑Centred Design approach
  • Experience working in multi‑disciplinary engineering teams, particularly with systems and software engineering
  • Understanding of Model Based Systems Engineering and SysML notation
  • Knowledge of the Naval domain and understanding of mission planning and control systems desirable

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Posted: May 27th, 2026