Location
Rayleigh, Essex, United Kingdom
Posted
June 19, 2026
Job Description
Commissioning Engineer – Battery Energy Storage Systems (BESS)
📍 Rayleigh, Essex
💷 £50 per hour
📅 Initial 3-Month Contract (Likely Extension to 6 Months+)
⏰ Monday–Thursday 08:00–18:00 | Early Finish Friday
We are currently seeking an experienced Commissioning Engineer to support the delivery of a major Battery Energy Storage System (BESS) project in Essex.
This is an excellent opportunity for commissioning professionals from a range of electrical infrastructure backgrounds, including power generation, utilities, substations, rail, renewables, industrial automation, data centres or transmission and distribution projects.
While previous BESS experience would be advantageous, we are particularly interested in candidates with strong commissioning, testing, energisation and fault-finding experience gained on complex electrical systems.
Key Responsibilities
* Support the commissioning and energisation of battery energy storage equipment a...
📍 Rayleigh, Essex
💷 £50 per hour
📅 Initial 3-Month Contract (Likely Extension to 6 Months+)
⏰ Monday–Thursday 08:00–18:00 | Early Finish Friday
We are currently seeking an experienced Commissioning Engineer to support the delivery of a major Battery Energy Storage System (BESS) project in Essex.
This is an excellent opportunity for commissioning professionals from a range of electrical infrastructure backgrounds, including power generation, utilities, substations, rail, renewables, industrial automation, data centres or transmission and distribution projects.
While previous BESS experience would be advantageous, we are particularly interested in candidates with strong commissioning, testing, energisation and fault-finding experience gained on complex electrical systems.
Key Responsibilities
* Support the commissioning and energisation of battery energy storage equipment a...