The PSV (Public Service Vehicle) Shift Engineer plays a critical role in maintaining the safety, reliability, and performance of buses and public transport fleets. At Transdev—one of the world’s leading mobility companies—Shift Engineers ensure that buses are serviced, repaired, and compliant with transport legislation. This includes diagnosing faults, conducting routine maintenance, performing mechanical and electrical repairs, and collaborating with other engineers across shifts to keep the fleet moving.
The typical salary for a PSV Shift Engineer at Transdev in the UK ranges between £37,000 and £46,000 per year, depending on experience, qualifications, and shift patterns. Some roles also include night shifts or weekends, which can offer additional premiums or overtime.
If you’re applying for a PSV Shift Engineer role at Transdev, you’re not just joining a company—you’re becoming part of a mission to improve public transport with safety, sustainability, and efficiency at the forefront.
20 Interview Questions and Answers for Transdev PSV Shift Engineer Role
1. Tell us about your experience working with PSV vehicles.
Answer: I have over [X years] of hands-on experience maintaining and repairing PSV vehicles, including routine servicing, diagnostics, and major overhauls. I’m fully qualified with an NVQ Level 3 in Vehicle Maintenance and have worked on various makes including Volvo, Mercedes, and Wrightbus.
2. How do you diagnose a fault in a modern bus engine?
Answer: I use a combination of OEM diagnostic tools, onboard vehicle diagnostics (OBD), and manual inspection. I always start with fault codes and then cross-check with performance issues and mechanical signs to identify the root cause efficiently.
3. What health and safety protocols do you follow in the workshop?
Answer: I always adhere to COSHH, PPE guidelines, and Risk Assessments. I ensure tools are maintained, spills are handled properly, and all work is carried out according to Health & Safety Executive (HSE) standards.
4. How do you handle unexpected breakdowns during your shift?
Answer: I stay calm, prioritize safety, and respond quickly. I assess whether a roadside fix is possible or if recovery is needed, communicate with control, and ensure minimal service disruption.
5. What’s your experience with hybrid or electric buses?
Answer: I’ve undergone OEM-specific training for hybrid and electric buses. I’m comfortable working with high-voltage systems and understand the safety protocols, battery management, and regenerative braking systems involved.
6. What types of tools and diagnostic equipment are you experienced with?
Answer: I’ve used TEXA, Jaltest, Snap-On scanners, multimeters, pneumatic tools, and hydraulic lifts. I stay updated with new tools and technologies to improve diagnostics and efficiency.
7. Describe a time you solved a difficult mechanical issue.
Answer: A bus had intermittent power loss. After checking fuel systems and injectors, I discovered a failing ECU sensor connection. Replacing the wiring harness fixed the issue permanently.
8. How do you manage your workload during busy shifts?
Answer: I prioritize jobs based on urgency, safety, and service schedules. I communicate with the shift supervisor regularly and document all work clearly to maintain continuity.
9. How do you ensure compliance with VOSA standards?
Answer: I follow the DVSA guidelines closely, ensure all inspections are logged, defects are rectified, and that vehicles meet MOT and safety inspection standards.
10. What makes you a good fit for Transdev?
Answer: I bring technical expertise, reliability, and a safety-first mindset. I admire Transdev’s sustainability goals and would take pride in keeping a public transport fleet in top condition.
11. How do you stay up to date with new vehicle technology?
Answer: I attend training sessions, read technical bulletins, and engage with online forums and OEM updates to stay current with new systems and practices.
12. What would you do if you noticed a safety-critical defect missed by another engineer?
Answer: I’d report it immediately to the supervisor and ensure the vehicle is taken out of service if needed. Safety always comes first.
13. Can you work rotating or night shifts?
Answer: Yes, I’m fully flexible and understand the importance of maintaining fleet availability around the clock.
14. What’s your approach to documentation and record-keeping?
Answer: I record all inspections, parts used, repairs made, and test results accurately and promptly, in line with legal and company standards.
15. How do you handle conflicts or disagreements on shift?
Answer: I remain professional, communicate openly, and focus on resolving the issue constructively to maintain a smooth working environment.
16. Have you ever trained or mentored a junior engineer?
Answer: Yes, I’ve helped onboard apprentices, demonstrating procedures and safety checks while fostering their confidence and skills.
17. What’s your understanding of preventative maintenance?
Answer: Preventative maintenance is about proactively servicing and inspecting components to avoid breakdowns and costly repairs. It extends vehicle life and ensures service reliability.
18. Describe your process for performing a daily defect check.
Answer: I follow a checklist covering brakes, lights, tires, doors, fluids, and safety systems. Any defect is reported and repaired before the vehicle returns to service.
19. How do you ensure quality in your repair work?
Answer: I follow manufacturer specifications, double-check critical components, and test thoroughly. I also seek feedback from test drivers to ensure performance.
20. Where do you see yourself in five years within Transdev?
Answer: I see myself progressing into a lead engineering or supervisor role, mentoring others and contributing to Transdev’s ongoing success and innovation in transport solutions.
Interview Coaching and Tips for PSV Shift Engineer Candidates
Research Transdev thoroughly – Know their fleet, sustainability projects, and community impact.
Be specific – Use real examples from your experience when answering questions.
Dress appropriately – Even for technical roles, first impressions count.
Bring documentation – Certificates, licenses, or training records can add weight to your application.
Stay calm and confident – Take a breath before answering, and don’t rush.
Final tip: Practice makes perfect. Rehearse these questions out loud, ideally with a friend or mentor in the field. With preparation and confidence, you can showcase your true value to Transdev.
