Job Role: Mobile Mechanical & Electrical Engineer Location: West Midlands (covering Wales) Contract: Permanent, Full Time Salary: Up to £50,000 per annum + Company Car or Car Allowance Mainstay Recruitment are recruiting for an experienced Mobile Mechanical & Electrical Engineer to support the safe, effective, and compliant delivery of engineering services across a diverse Defence estate for our client. This is a mobile role covering a wide geographic area, requiring autonomous working across multiple sites. The successful candidate will play a critical role in implementing and administering the MOD Safe System of Work, acting as an Appointed Person for relevant technical disciplines including electrical, HVAC, and water systems. The role carries significant responsibility for safety, compliance, and technical assurance. You will be responsible for the practical implementation and ongoing operation of JSP 375, ensuring safe systems of work are rigorously applied. This includes maintaining oversight of all activities within your area of responsibility, assessing the competence of Skilled Persons, issuing permits to work, producing risk assessments and method statements, and ensuring all engineering activities are carried out safely and compliantly. As a key technical authority, you will provide expert advice and support to internal teams, supply chain partners, Defence Infrastructure representatives, and end users. You will...