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About the Role

Allye Energy is seeking a Commissioning Specialist to join the Test & Commissioning team. This role involves hands-on commissioning and testing of Battery Energy Storage Systems (BESS), ensuring they meet performance and safety requirements before deployment. It requires a blend of electrical competence and software literacy for executing test scripts, verifying installations, and interpreting data.

Responsibilities

• Execute commissioning test scripts and software validation procedures.
• Configure and verify control system parameters, communication settings, and alarm thresholds.
• Perform system integration checks between BMS, EMS, inverters, and monitoring platforms.
• Verify data logging, remote connectivity, and cloud platform integration.
• Support firmware updates and software configuration changes during commissioning.
• Perform pre-commissioning electrical checks including breaker operation, CT clamp installation, and wiring verification.
• Verify correct installation of protection devices, isolation points, and safety systems.
• Conduct insulation resistance testing, continuity checks, and earth fault loop impedance tests.
• Support energisation procedures and system power-up sequences.
• Ensure test equipment is correctly configured and calibrated for accurate data collection.
• Collect, review, and interpret commissioning test data to determine pass/fail outcomes.
• Identify anomalies, discrepancies, and issues requiring escalation to engineering.
• Complete commissioning checklists, test reports, and handover documentation.
• Maintain accurate records of test results, configuration settings, and as-commissioned states.
• Provide feedback to improve test procedures and commissioning processes.
• Conduct factory acceptance testing (FAT) on systems prior to dispatch.
• Travel to customer sites to perform site acceptance testing (SAT) and commissioning.
• Follow health and safety procedures, including safe isolation and lock-out/tag-out (LOTO) protocols.
• Coordinate with installation contractors and site personnel during commissioning activities.

Requirements

• Relevant electrical qualification (City & Guilds, NVQ Level 3, HNC/HND, or equivalent) or demonstrable experience.
• 2+ years of experience in electrical testing, commissioning, or a related technical role.
• Comfortable working with software systems, running scripts, and interpreting software outputs.
• Practical experience with electrical test equipment: multimeters, insulation testers, power analysers, oscilloscopes.
• Ability to read and interpret electrical schematics, wiring diagrams, and single-line diagrams.
• Strong attention to detail with the ability to interpret data and make sound pass/fail judgements.
• Methodical, process-driven approach with excellent documentation habits.
• Good communication skills for reporting findings and coordinating with engineers and site teams.
• Willingness to travel to customer sites across the UK (occasional international travel may be required).
• Full UK driving licence.
• Experience with battery energy storage systems, solar PV, or grid-connected power systems.
• Familiarity with BMS, EMS, SCADA, or industrial control systems.
• Experience with communication protocols: Modbus, CAN bus, Ethernet/IP.
• HV/LV switching authorisation or experience with high-voltage systems.
• 18th Edition Wiring Regulations qualification (BS 7671).
• ECS/CSCS card or equivalent site competency certification.
• Basic scripting or command-line experience (Python, Bash, or similar).
• Experience with data logging, time-series data, or monitoring platforms.
• First Aid at Work certification.

Skills

• Electrical testing
• Commissioning
• Software systems
• Test scripts
• Data interpretation
• Electrical schematics
• Wiring diagrams
• Single-line diagrams
• Multimeters
• Insulation testers
• Power analysers
• Oscilloscopes
• Health and safety procedures
• LOTO protocols
• BMS
• EMS
• SCADA
• Modbus
• CAN bus
• Ethernet/IP
• Python
• Bash

Location

• UK
• Customer sites

Work Type

• Full-time
• Onsite
• Workshop
• Customer sites

Experience Level

• 2+ years of experience

Education Level

• Relevant electrical qualification (City & Guilds, NVQ Level 3, HNC/HND, or equivalent)

About the Company

• Allye Energy is revolutionising the energy storage sector with our cutting-edge Battery Energy Storage Systems (BESS) built using repurposed EV batteries.