Engineering Maintenance Technician Level 3 Apprenticeship at Sizewell B, Suffolk

  • Company: DALKIA FACILITIES LIMITED
  • Location: Leiston, IP16 4UR
  • Type: Apprenticeship
  • Salary: £24,784.00 per year
  • Sector: Engineering and manufacturing
  • Ref: NAS-2000028029
  • Application Deadline Date: 11/05/2026
  • Start Date: 04/08/2026
  • Positions Available: 1
  • Working Week: Monday - Friday, 37-hours a week exact times to be confirmed.

Brief Description

Join a team with an impressive track record of recruiting and developing apprentices. This role will involve supporting all other mechanical technicians undertaking important routine plant maintenance and fault-finding work on a wide range of mechanical plant equipment.

Training to be Provided


  • As well as guided on-the-job training specific to our organisation, you will study towards your level 3 Engineering Maintenance Technician apprenticeship. You will attend college on a day release during term time only

  • A tutor will be assigned to you, and you will receive protected study time within the workplace

  • You will also get support from our apprenticeship team through mentoring and buddying

Future Prospects

We really value our people and pride ourselves on our loyal team. We genuinely see this as a career opportunity for the right candidate and have an excellent apprenticeship track record.

Vacancy Detail

Working under supervision, the apprentice would be involved in a range of routine plant maintenance and fault-finding activities across the site, including:



  • Pumps

  • Air compressors

  • Fans

  • Drives

  • Motors

  • Pneumatic controls

  • Pressurisation units systems

  • Electrical circuits associated with equipment


Weekly / Ongoing Responsibilities:



  • Attending safety briefings and inductions

  • Completing apprenticeship coursework, assessments, and off-the-job training (typically one day per week at college)

  • Maintaining a site diary or logbook to evidence competency development

  • Participating in planned preventative maintenance (PPM) schedules alongside experienced operatives

  • Supporting emergency reactive works when issues arise on site


Power Station Specific Considerations:



  • You'll be working within a highly regulated, safety-critical environment with strict permit-to-work systems 

  • Compliance with environmental regulations is very important

  • Security clearance requirements and site access protocols must be followed (full guidance will be given pre-interview stage)

Other Information

This would suit someone with a practical mindset who likes to problem solve too. The role requires someone who has reasonable fitness levels and an understanding of working safely.



  • Security and DBS checks will be carried out prior to you starting. 

  • The role may start sooner than August subject to clearance checks. 

  • College attendance is likely to start in September and is a two year programme. 

Ready to start your adventure?