Amentum is a premier global technical and engineering services partner. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. We are now recruiting for Human Factors Assessor to join us permanently on our major projects. Purpose and Scope: As the Human Factors Assessor you will be part of our major programme safety case team, providing specialist human factors design and safety assessment. Is accountable to the Safety Case Manager. Responsibilities: As the Human Factors Assurance Engineer your responsibilities will include: Undertaking human factors design and safety case assessment, and associated activities, interfacing with engineering, project management, project controls and document management functions. Acting in any human factors or equivalent role. Supporting the Safety Case Manager; Supporting wider Programme safety case and engineering leads when requested. Assisting Head of Profession in capability development and establishment and implementation of resource strategies, recruitment plans and competence. Advises Amentum and Client leadership, engineering, programme and project management, and clients (intelligent Customer), on regulatory compliance, standards and guidance. Interfacing as necessary with suppliers. Supporting the client in interactions with Regulators and safety committees. Education, Experience, Knowledge, Skills, and Abilities Required: Ideally hold a Bachelor of Science degree (or equivalent education); Human Factors assessment, and HAZAN production; Experience of UK and International standards, e.g. Technical Assessment Guides; Experience of a range of nuclear hazard identification and analytical tools; Experience of ergonomics/human factors design Experience of relevant code (THERP, HEART etc.) application in a wide range of nuclear operations and fault scenarios; Ability to gain and retain Security Clearance and willingness to obtain Developed Vetting; Ability to travel for several days at a time in the UK and occasional overseas travel; Good oral and written communication skills, including presentation and report writing; Good MS applications, organizational skills and ability to perform detail-oriented work. Desirable: Experience of UK nuclear site licensing, safety assessment principles, regulatory guidance on safety assessment and nuclear Site Licence Conditions; Experience in two or more UK Nuclear Site Licensee Organisations; Experience of Regulatory permissioning/flexible permissioning; Experience of safety case in civil reactors and defence sector; Experience of international nuclear safety assessment; Project management and project controls skills; Stakeholder management skills; Ability to mentor and coach. Position will require ability to gain and retain Security Clearance and willingness to obtain Developed Vetting. Amentum is an equal opportunities employer. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, gender identity, marital status, family structure, medical condition including genetic characteristics or information, veteran status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal EEO laws and supplemental language at EEO including Disability/Protected Veterans and Labor Laws Posters .