{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Commissioning Engineer BESS”, “description”: “
Role: Commissioning Engineer – Battery Energy Storage (BESS)
Location: North London/Essex – Site based
Start Date: 18/05/2026
Type: Contract
Rate: Up to £50 p/h
Key Responsibilities
- Carry out installation and commissioning of battery energy storage systems in line with technical requirements
- Perform testing, debugging, and fault finding on BESS equipment (including inverters, PCS, and associated systems)
- Support site planning and coordination of commissioning activities
- Troubleshoot and resolve system issues to restore performance efficiently
- Assist with maintenance and technical upgrades of energy storage systems
- Work closely with internal teams and international engineering support functions
Requirements
- 2+ years’ experience in BESS commissioning or similar energy storage projects
- Strong background in electrical engineering, HV/LV systems, or power electronics
- Experience with on-site commissioning, testing, and fault finding
- Relevant certifications such as CSCS, IOSH, NEBOSH, SMSTS, or equivalent
- HV/LV authorisation or electrical qualifications highly desirable
- Strong communication skills and ability to work in a site‑based, hands‑on environment
- Proficient in standard office/software tools
- Willingness to travel and work on projects across multiple locations
- Experience working with battery OEMs or inverter systems
- Exposure to international teams or projects
What’s on Offer
- Opportunity to work on cutting‑edge energy storage projects
- Join a fast‑growing sector at the forefront of the energy transition
- Competitive rate + benefits + career progression
Company: MDE UK
Location: London
Job Description:
Role: Commissioning Engineer – Battery Energy Storage (BESS)
Location: North London/Essex – Site based
Start Date: 18/05/2026
Type: Contract
Rate: Up to £50 p/h
Key Responsibilities
- Carry out installation and commissioning of battery energy storage systems in line with technical requirements
- Perform testing, debugging, and fault finding on BESS equipment (including inverters, PCS, and associated systems)
- Support site planning and coordination of commissioning activities
- Troubleshoot and resolve system issues to restore performance efficiently
- Assist with maintenance and technical upgrades of energy storage systems
- Work closely with internal teams and international engineering support functions
Requirements
- 2+ years’ experience in BESS commissioning or similar energy storage projects
- Strong background in electrical engineering, HV/LV systems, or power electronics
- Experience with on-site commissioning, testing, and fault finding
- Relevant certifications such as CSCS, IOSH, NEBOSH, SMSTS, or equivalent
- HV/LV authorisation or electrical qualifications highly desirable
- Strong communication skills and ability to work in a site‑based, hands‑on environment
- Proficient in standard office/software tools
- Willingness to travel and work on projects across multiple locations
- Experience working with battery OEMs or inverter systems
- Exposure to international teams or projects
What’s on Offer
- Opportunity to work on cutting‑edge energy storage projects
- Join a fast‑growing sector at the forefront of the energy transition
- Competitive rate + benefits + career progression
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Posted: May 18th, 2026