Technical Service Manager - Utility Scale

Who We Are:

·       Private equity-backed AISWEI is a leading provider of renewable energy solutions -  providing the world with solar inverters, batteries, EV chargers, heat pumps, and energy management solutions

·       AISWEI has more than 16 years of expertise in R&D and manufacturing, with a strong technology heritage from both Germany and China

·       With 32GW of annual production volumes (2025), AISWEI is one of the largest manufacturers of solar string inverters world-wide

·       AISWEI is operating under its own brand in China and its Solplanet brand internationally, and is trusted by leading global brands as an ODM service provider

·       Our team passionately believe that that we are all fellow citizens of one planet, and we are truly honored about deploying our solutions to local societies worldwide – every day

Title: Technical Service Engineer - Utility Scale

Industry: Photovoltaic, Utility Scale Solar, Solar Inverter, Energy Storage, Field Service, Medium Voltage Solutions

Primary Location: Poland, preferred Warsaw, with frequent travel across EMEA project sites

Employment

Employment Type: Full-time

As a Technical Service Engineer - Utility Scale, you will

•    Provide field service support for utility-scale PV projects across EMEA

•    Support installation, commissioning, testing, troubleshooting and maintenance of utility-scale inverter systems and related equipment

•    Perform site inspections, technical audits, fault diagnosis and corrective actions in cooperation with customers, EPCs and internal teams

•    Support MV station, communication, monitoring and inverter-related activities within the defined scope of service responsibility

•    Act as a customer-facing technical representative during commissioning, service interventions and warranty-related activities

•    Provide structured technical feedback, service reports, issue documentation and root cause information to HQ Service, Quality and R&D teams

•    Support preparation and execution of service procedures, commissioning checklists, maintenance instructions and safety documentation

•    Deliver technical training to customers, partners, EPC teams and internal colleagues when required

•    Coordinate spare parts, service tools, test equipment and site readiness requirements for assigned projects

•    Support service activities related to strategic agreements, key accounts and utility-scale reference projects

•    Ensure that service activities are performed in line with safety standards, quality expectations and customer requirements

•    Work closely with the Technical Manager, Sales and HQ Service teams to ensure fast and professional issue resolution

•    Contribute to continuous improvement of products, service processes and customer documentation based on field experience

Your background and skills:

•    Degree or technical education in Electrical Engineering, Power Electronics, Automation, Energy Systems or a related technical field

•    3+ years of experience in field service, commissioning, troubleshooting or technical support in solar PV, power electronics, industrial automation or electrical systems

•    Experience with solar inverters and utility-scale PV plants is strongly preferred

•    Knowledge of electrical safety, LV/MV systems, communication systems, monitoring platforms and site commissioning procedures

•    Ability to read electrical diagrams, technical manuals, commissioning protocols and service documentation

•    Strong troubleshooting skills and ability to work under pressure on customer sites

•    Hands-on mindset, high safety awareness and willingness to travel extensively across EMEA

•    Good reporting skills and ability to document technical issues clearly

•    Good communication skills and customer-oriented attitude

•    Fluent English; Polish or another European language is an advantage

•    Driving license and ability to work on project sites are required

Your attributes:

•    Self-motivated and performance driven

•    Excellent interpersonal and communication skills

•    Can-do attitude and hands-on mindset

•    Proactive, dynamic, solution and customer oriented

•    Structured, reliable and able to operate in an international environment

•    High ownership, accountability and willingness to build new business structures

What we offer:

·       Giving you the unique opportunity to be part of a spirited and diverse team of passionate experts that work together within an exceptionally open-minded environment

·       Assisting you to develop, personally and professionally, to grow internally within an international environment which leverages your abilities, skills and expertise.

·       Providing you the unique opportunity to be part of an ambitious, energetic and rapidly growing Solplanet team with flat hierarchies, fast decision making and strong opportunities to successfully cultivate your long-term path within the renewable energy industry.