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Posted 22 July, 2026

MESM CAT A2 and B Operator

Frazer-Nash Consultancy
Warrington, OTA, NZ Full Time
Reference: 193d642bc1cf8c74

Job Description

Job Title: MESM CAT A2 and B Operator Salary range: £50,000 to £76,000 per annum, depending on experience Location: Glasgow, Plymouth, Bristol or Warrington – other locations may be considered Working Pattern: Flexible hybrid – time split between office, client sites and working from home. Closing date: 30th June 2026 (early applications encouraged). If you answered yes to the questions about submarine engineering or safety, and you want to be challenged and learn new things, Frazer‑Nash Consultancy is interested in hearing from you. We are a leading engineering, systems and technology consultancy supporting the Royal Navy’s submarine programme. Our high‑calibre MESM operators help provide expertise in safety, design, modification, maintenance and safety analysis for naval nuclear reactors and submarines. What will you be involved in? Producing safety case documentation to underwrite the operation of the naval nuclear reactor plant. Optimising the scope for maintenance periods. Assessment of submarine commission and life extensions. Supporting AUKUS. Embedded client roles supporting all classes of submarines. Conducting safety hazard analysis to inform the design of future submarines. Providing technical oversight to support civil nuclear power stations during planned maintenance outages. Providing SM SQEP experience to support facility engineering and help future‑proof critical shore side infrastructure. Qualifications Experienced MESM Cat A2/Cat B operators. Experience working in the commercial industry supporting the submarine enterprise. Knowledge of submarine whole‑boat or nuclear safety cases and safety analysis techniques, including HAZID, hazard management, functional hazard assessment, categorisation and classification. Experience in risk management and reduction, including ALARP assessments. Familiarity with technical assurance/governance. Incorporated Engineer or Chartered Engineer status (or working towards this for our more junior roles). Due to the nature of the work that Frazer‑Nash Consultancy undertakes, candidates will be required to undergo pre‑employment screening and must satisfy clearance criteria for UK National Security Vetting. Benefits Competitive salary with yearly reviews. 25 days holiday + the opportunity to buy 5 days. Welcoming work culture. Flexible working options. Enhanced parental benefits. Company pension scheme. Targeted professional development. Life assurance. Private healthcare membership. Bonus scheme linked to company performance. Paid membership fees to a professional institution. Support in attaining professional membership. Cycle to work scheme. Season ticket loan. Further optional benefits you can tailor to your personal requirements. #J-18808-Ljbffr

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