High Voltage Battery Engineer

Location:

Stockport (SK2) – Cheshire, North West, United Kingdom

Salary:

Market related

Type:

Permanent

Main Industry:

Search Engineering Jobs

Advertiser:

Jonathan Lee Recruitment Ltd

Job ID:

132759488

Posted On:

12 March 2026

High Voltage Battery Engineer

Location: North West
Salary: Competitive Salary + overtime
Permanent Role

Overview:

We’re looking for a hands-on High Voltage Battery Engineer to work with EV and Battery Energy Storage Systems (BESS) in real-world, safety-critical environments.

This is a site-based engineering role, focused on diagnosing, repairing, dismantling, and safely handling high-voltage lithium-ion battery systems (400V-1000V+ DC). You’ll act as the HV technical authority on site, ensuring work is carried out safely, compliantly, and to a high technical standard.

Key Responsibilities:

* Diagnose, repair, dismantle, and rework HV lithium-ion battery packs (EV & BESS)
* Perform HV isolation, discharge, testing, and fault-finding
* Identify issues at cell, module, pack, and BMS level
* Support site-based assessment, remediation, commissioning support, and decommissioning activities
* Act as HV technical lead on site, ensuring RAMS and safe systems of work are followed
* Write, review, and implement RAMS for HV battery activities
* Produce technical reports, repair records, and battery condition assessments
* Support continuous improvement of HV battery handling and dismantling processes

Essential Experience & Skills:

* Minimum 3 years’ hands-on experience with high-voltage lithium-ion battery systems
* Practical experience with EV batteries and/or BESS
* Proven background in HV battery diagnosis, repair, or dismantling
* Experience working under formal HV safety rules and permit-to-work systems
* Strong understanding of:
* Lithium-ion battery architecture (cell/module/pack)
* Battery Management Systems (BMS)
* HV isolation, testing, and fault-finding
* Confident writing and implementing RAMS
* Comfortable working in site-based, safety-critical environments

Desirable:

* Strong BESS exposure
* HV Authorised Person (AP) or equivalent
* Experience in recycling or end-of-life battery processing

Package:

* Competitive Salary
* Overtime available
* Pension scheme
* 20 days annual leave + bank holidays
* Ongoing HV training and professional development
* Access to a company vehicle

Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.

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