First Bus London are looking for a Lead Mastertech to serve as the senior technical authority across multiple depots.

The job holder will head diagnostic strategy, mentor the  depot engineers, and act as the primary escalation point for advanced mechanical and electrical faults.

Your deep technical expertise will support the engineering leadership in developing best-in-class practices across our EV and ICE vehicle fleets, ensuring technical excellence and operational readiness at all times.

Key Responsibilities

• Lead and oversee complex fault diagnostics and in-depth repair work across a wide range of vehicle systems, with a focus on EV and hybrid technologies.
• Act as the primary escalation point for depot engineers when resolving high-level faults or system failures.
• Provide strategic technical guidance to Engineering Managers across garages, ensuring consistency in standards and practices.
• Mentor and train depot-based technicians, delivering on-site technical coaching, troubleshooting assistance, and continuous professional development.
• Conduct advanced diagnostic testing on electric, hybrid, and diesel vehicles using the latest manufacturer and third-party tools.
• Collaborate closely with the Technical and Engineering Leadership Teams, contributing detailed reports on fault trends, component failures, and performance analytics.
• Drive technical excellence by liaising with OEMs, component suppliers, DVSA, the FTA, and London Buses to ensure compliance and early adoption of best practices.
• Promote health & safety protocols, ensuring all procedures are followed and documented in line with company and legal standards.
• Maintain the masterTech support vehicle in pristine operational condition at all times.
• Contribute to the ongoing development of EV training, sharing subject matter expertise and promoting technical consistency across the fleet.
• Attend and guide on internal and external training sessions, ensuring all depot teams stay up to date with evolving technology and legislation.

Key Competencies

• Strong leadership and coaching ability; experience supervising or mentoring technical staff.
• Exceptional diagnostic capability across mechanical, electrical, and emissions systems (Euro 6 and above).
• In-depth experience with hybrid and fully electric vehicle systems (BEVs) is highly desirable.
• Strong communication and stakeholder management skills.
• High-level understanding of legislation and compliance (H&S, DVSA, environmental).
• secure in one's belief in drafting technical documentation, reports, and performance analysis summaries.
• Proven ability to foster collaboration between engineering teams, OEMs, and regulatory bodies.

Qualifications

• NVQ Level 3 (or equivalent) in Heavy Vehicle Engineering (essential)
• Additional certifications in EV/Hybrid technology (desirable)
• Proficient IT skills, including diagnostic software and report writing tools
• Valid UK driving license

Closing Date for application 29th August 2025