Job Title: Senior BESS Commissioning ManagerLocation: Germany Projects: Germany & EuropeSalary: Up To €120,000 + Bonus + Benefits The OpportunityWe are supporting a rapidly growing energy storage business with the recruitment of an experienced Senior BESS Commissioning Engineer to lead and support the commissioning, testing and successful delivery of large-scale Battery Energy Storage System (BESS) projects across Europe.This is a highly hands-on technical role for an experienced commissioning or electrical engineer with a strong background in BESS, renewable energy, power systems or electrical equipment. You will take ownership of commissioning activities on site, leading technical troubleshooting, fault diagnosis, system testing and customer acceptance. You will work closely with Project Management, R&D, Quality and After-Sales teams to resolve complex technical issues and ensure projects are delivered safely, efficiently and to schedule. The role would suit an experienced BESS Commissioning Engineer, Senior Commissioning Engineer, Field Service Engineer or Electrical Engineer looking to take on greater responsibility within the rapidly expanding energy storage market. Key ResponsibilitiesBESS Commissioning & Delivery Take ownership of commissioning activities for large-scale BESS projects from initial energisation through testing, SAT and final handover. Lead and execute commissioning activities across battery containers/cabinets and associated electrical, thermal, fire protection and control systems. Develop and manage commissioning plans, testing procedures and site activities in line with project requirements and schedules. Coordinate with site teams, subcontractors, customers and internal engineering teams to ensure commissioning milestones are achieved. Identify technical risks early and implement solutions to minimise project delays. Electrical & System CommissioningLead the commissioning, testing and troubleshooting of key BESS subsystems, including: Battery systems and battery containers Fire Suppression Systems (FSS) Liquid Cooling / Thermal Management Systems (TMS/HVAC) DC systems up to 1500V DC Auxiliary AC systems (220V / 400V AC) Battery Management Systems (BMS) BMS communication and control systems Protection and monitoring systems PCS & EMS Commissioning Lead or support the commissioning and functional testing of Power Conversion Systems (PCS) and Energy Management Systems (EMS). Understand the operating principles and interfaces between BESS, PCS, EMS and grid systems. Troubleshoot system-level issues across battery, PCS, EMS and grid interfaces. Work with internal R&D and engineering teams to resolve complex commissioning and integration issues. Fault Finding & Technical Troubleshooting Take ownership of technical fault diagnosis and resolution during commissioning. Analyse electrical, communication, control and system-level faults using appropriate testing and diagnostic methods. Develop corrective actions and drive technical issues through to resolution. Provide technical guidance to less experienced engineers and site personnel. Identify recurring technical issues and provide structured feedback to R&D and product engineering teams. Maintain clear records of commissioning issues, root causes, corrective actions and final resolution. Testing, SAT & Grid Connection Lead and participate in Site Acceptance Testing (SAT) and system performance testing. Support energisation and grid connection activities. Coordinate testing between BESS, PCS, EMS, protection systems and grid infrastructure. Support project acceptance, commissioning documentation and final customer handover. Ensure all commissioning results and technical documentation meet project requirements. Customer & Stakeholder Management Act as a senior technical representative on site, working directly with customers, EPC contractors and project stakeholders. Provide technical explanations and recommendations to customers throughout commissioning. Support customer training covering system operation, maintenance and troubleshooting. Manage technical discussions confidently with both internal engineering teams and external stakeholders. Build strong working relationships with customers and project partners. Project & Team Coordination Coordinate commissioning activities with Project Management, Engineering, R&D, Quality and After-Sales teams. Take ownership of commissioning schedules and ensure technical activities remain aligned with overall project milestones. Coordinate subcontractors and other site resources where required. Provide technical leadership and guidance to junior commissioning engineers. Support the development and standardisation of commissioning procedures and best practices. Health & Safety Ensure all commissioning activities are carried out in accordance with EHS requirements, electrical safety procedures and site regulations. Take responsibility for safe working practices during energisation, testing and fault-finding activities. Identify and mitigate electrical and site-specific risks before commissioning work begins. What We're Looking For 5+ years of professional experience in commissioning, field service, electrical engineering or a closely related technical discipline. Strong hands-on experience commissioning BESS, renewable energy, power systems, electrical equipment or similar complex electrical systems. Proven experience taking ownership of commissioning activities from energisation through to SAT, acceptance and handover. Strong practical understanding of BMS, PCS and EMS, including their interfaces and operating principles. Experience troubleshooting electrical, communication and control-system faults in live project environments. Strong understanding of DC systems up to 1500V and AC auxiliary systems. Ability to read and interpret: Electrical schematics Wiring diagrams Single-line diagrams Communication topology drawings Experience with industrial communication protocols such as CAN and Modbus RTU/TCP. Good understanding of primary and secondary electrical systems. Experience with grid connection, substations, protection systems or power plant commissioning is highly advantageous. Strong knowledge of electrical commissioning and testing methodologies. Ability to independently diagnose problems, identify root causes and implement corrective actions. Experience working directly with customers, EPC contractors and subcontractors on technical issues. Strong project coordination and stakeholder management skills. Bachelor's degree or higher in Electrical Engineering, Energy Engineering, Renewable Energy, Communication Engineering or a related discipline. Fluent English for technical, customer and project communication. Mandarin Chinese proficiency is required for communication with internal engineering and project teams. Willingness to travel extensively and undertake long-term international assignments, particularly across Europe. Ideal Candidate BackgroundWe are particularly interested in experienced professionals from backgrounds such as: Senior BESS Commissioning Engineer | Senior Commissioning Engineer | BESS Field Service Engineer | Senior Field Service Engineer | Electrical Commissioning Engineer | HV Commissioning Engineer | Power Systems Engineer | Renewable Energy Commissioning Engineer | Battery Storage Engineer Candidates with direct experience commissioning utility-scale BESS projects will be highly attractive. Strong candidates from PV, substations, power generation, HV electrical systems or other complex renewable-energy commissioning environments may also be considered. What Makes the Role Attractive?This is an opportunity to play a key technical role in the delivery of large-scale BESS projects across Europe, working directly with cutting-edge battery storage technology. You will have significant ownership of commissioning activities and direct exposure to BMS, PCS, EMS, grid connection, system integration and customer acceptance. For an experienced commissioning engineer, the role offers the opportunity to become a senior technical specialist within a rapidly expanding energy storage business, while working across major international projects.

Construction Project Manager – BESS Location: Germany (Projects in Northern Germany)Type: PermanentSalary: Up To €90,000 + Bonus + Car The OpportunityA growing renewable energy company is looking for an experienced Construction Project Manager to lead the delivery of large-scale BESS projects across Germany. You’ll take ownership of the construction phase, coordinating EPC contractors, subcontractors and internal teams across civil, electrical and balance-of-plant works. Key Responsibilities Lead construction delivery from mobilisation through to completion.Coordinate EPC contractors, subcontractors and site teams.Manage programme, quality, HSE and project progress.Coordinate civil, electrical and mechanical interfaces.Review construction plans, programmes and technical documentation.Manage site meetings, reporting, variations and contractor performance.Work closely with engineering, procurement and project development teams.Support testing, commissioning and final handover. About You Experience as a Construction Project Manager, Construction Manager or Site Manager.Background in renewable energy or energy infrastructure.Strong contractor and subcontractor management experience.Good understanding of civil and electrical construction interfaces.Strong knowledge of project programmes, quality and HSE.Fluent German and good English.Willingness to travel to project sites across Germany. Next StepClick 'Apply' or send your CV to h.safavi@pipermaddox.com

Piper Maddox are partnered with one of the leading utility-scale BESS IPPs in the country on a Procurement Manager opportunity focused on utility-scale BESS assets. The role is with a highly capitalized platform that is entering an exciting phase of continued growth and is looking for someone who can step into a highly visible, hands-on procurement position supporting critical battery storage projects.The company has recently undergone a significant capital expansion, including securing over $1B in construction financing and substantially increasing its corporate credit capacity, and has also entered into an agreement to be acquired by a major global investment platform managing more than $1T in assets.Key Responsibilities Include: Lead procurement activity across utility-scale BESS projects, supporting active project execution end to end.Manage supplier engagement, sourcing strategy, RFPs, and contract negotiations.Work cross-functionally with legal, engineering, finance, and development teams.Own battery supply agreements, LTSAs, and day-to-day vendor communication.