Principal Human Factors Engineer

BAE Systems
20 Oct 2021
03 Nov 2021
Full Time
Contract Type

Principal Engineer - Human Factors (Safety)

Would you like to play a key role in the implementation of Human Factors in Submarine Design and in the design of Submarine Nuclear Build Facilities? We currently have a vacancy for an experienced Principal Engineer - Human Factors (Safety) to join the team at one of the following site locations: Frimley, Filton (Bristol), Broad Oak (Portsmouth) or Barrow-in-Furness.

As a Principal Engineer - Human Factors (Safety), you will gain exposure to a wide variety of complex Human Factors challenges across both Submarine and Site/Facilities and Operational Programmes of work, giving you the opportunity to enhance your skills in all areas of Human Factors, in a team which is dedicated to influencing the design of Submarines, complex systems and site facilities to ensure they are optimised for their intended users, improving usability, safety and crew / operator wellbeing.

You will be part of a large, enthusiastic Human Factors department, reporting to one of the Human Factors Engineering Managers, working closely with stakeholders including Engineers, Designers, Safety Case Teams, End Users (Operators) and Client Representatives.

We are also able to offer paid overtime (subject to business requirements).

Your main responsibilities as a Principal Engineer - Human Factors (Safety) will involve:

  • Providing Human Reliability Analysis (Qualitative and Quantitative) and Human Factors support to the Safety Case
  • Producing work stream specific Human Factors Integration Plans (HFIPs)
  • Supporting Hazard Identification (HAZID)
  • Assisting in identifying Human Based safety claims (HBSCs)
  • Providing HF input to the Fault Schedule, including Human Error Probability calculations
  • Assessing Safety Actions (SAs) - Operator Claims in the safety case
  • Conducting HF Screening for detailed assessment
  • Performing Detailed Human Error Assessments (DHEA)

Your skills and qualifications as a Principal Engineer - Human Factors (Safety):


  • Degree or equivalent qualification and experience in Human Factors/Ergonomics/Psychology or safety related discipline (Product Safety/Nuclear Safety)
  • Experience conducting Human Reliability Analysis and Detailed Human Error Assessments
  • Understanding of Safety Case Processes (Deterministic and Probabilistic Assessments)
  • Experience using Human Error Qualitative and Quantitative Assessment techniques (HEART and THERP tools)
  • Understanding of how to substantiate claims made on the operator within the safety case


  • Chartered Member of CIEHF or similar professional accreditation
  • Experience of Human Factors in Nuclear Safety Cases, the regulatory framework and nuclear site licensing conditions
  • Experience in writing Human Factors Integration Plans

What we're looking for in you:

You will be a skilled communicator, possessing a good level of diplomacy to enable successful interaction with a range of stakeholders who may have conflicting requirements. You will have the ability to work autonomously or as part of a wider team of experienced professionals and will have a desire to further develop your experience and career across Human Factors with a focus on enhancing professional development in all domains. There exists a strong mentoring ethos within the team to support development, and you will be willing to demonstrate this behaviour and use your knowledge and experience to aid the development of others.

Location: Frimley, Filton (Bristol), Broad Oak (Portsmouth) or Barrow-in-Furness.

*Relocation options available within the UK for those meeting role criteria

Salary: Competitive

At BAE Systems we are committed to supporting work life balance for all our employees and embrace a range of modern working practices, which aim to enhance flexibility for individuals whilst also enabling business performance. Flexibility provisions vary by role, but include; hybrid working arrangements, flexible working patterns and shift working.

Benefits: Our employees receive an excellent benefits package which includes a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. We also offer a range of additional benefits such as flexible working, an employee assistance programme, Cycle2work and many local and national employee discounts. Some employees may also be eligible for an annual incentive.

BAE Systems

BAE Systems is one of the world's leading global defence, security and aerospace companies. We work at the cutting edge of technology, creating more than 100 new inventions every year for customers in over 100 countries.

Maritime - Submarines

Our Submarines business has been safely delivering world class submarines to the UK Royal Navy for more than a century.

The Astute class will equip the Royal Navy with its largest and most capable generation of attack submarines. We are responsible for the design, build, test and commissioning of these state-of-the-art vessels. In total, seven boats will make up the fleet, each weighing a mighty 7,400 tonnes.

Dreadnought is the successor to the Vanguard class of nuclear deterrent submarines. We will deliver four submarines to the Royal Navy, with the first submarine entering service in the early 2030s. Dreadnought is widely considered to be one of the world's most complex engineering challenges.

We have sites in Barrow-in-Furness, Filton, Frimley, Ash Vale, Broad Oak and Weymouth, and we pride ourselves on employing the best professionals around. Join us and you'll be part of something important; something you can be proud of.

At BAE we want to be the leading employer in defence and security for valuing diversity and inclusion. We care about difference in all forms and want to create an inclusive environment where everyone can be themselves and reach their full potential.

We welcome candidates from all backgrounds and particularly from sections of the community who are currently under-represented within our industry, including women, people from ethnic minorities, people with disabilities and LGBTQ+ individuals. We also want to be a preferred home for veterans and reservists.

For more information on our Diversity & Inclusion work, please click here.

Please be aware that many roles working for BAE Systems will be subject to both security and export control restrictions. These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation.

Due to the volume of applications we receive, we sometimes close our vacancies early. It is therefore advisable to apply as early as possible if you would like to be considered for a role with BAE Systems.

Find out more at #subsgodeeper on LinkedIn

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