Job description
SAJ is a global manufacturer and innovator of smart energy storage solutions. Since its founding in 2005, the company has also offered advanced products in power generation and industrial automation. Guided by the principle "technology-driven and service-oriented," SAJ covers the entire value chain from research and development (R&D) and production to operation and service. Driven by a successful localization strategy and a presence in over 80 countries, the company pursues the clear goal of becoming the world's leading brand in the industry and actively shaping a green future through safe and reliable technologies.
Key Responsibilities
- Provide pre-sales technical support to Sales Managers, distributors, installers, EPCs and key customers, including product selection, system configuration and technical solutions.
- Deliver after-sales technical support, troubleshooting installation, commissioning, communication, software and product-related issues.
- Build and maintain strong technical relationships with key customers through regular meetings, visits and project support.
- Support new product launches, technical training, webinars, workshops and customer events in the Italian market.
- Collect and communicate customer requirements, market feedback and recurring technical issues to Product and R&D teams.
- Support local product testing and validation, including firmware, software, compatibility and system integration testing.
- Maintain and localise technical documentation such as manuals, FAQs, troubleshooting guides and training materials.
- Work closely with Sales, Product, Service and R&D teams to ensure timely resolution of customer and product issues.
Requirements
- Bachelor's degree or above in Electrical Engineering, Electronics, Renewable Energy, Automation or a related technical field.
- Relevant experience in solar PV, inverter, battery energy storage or renewable energy systems is highly preferred.
- Good understanding of PV systems, inverters, batteries, electrical systems and system commissioning.
- Previous experience in technical support, field service, application engineering or pre-sales engineering is preferred.
- Strong troubleshooting and problem-solving skills.
- Comfortable communicating directly with installers, distributors, EPCs and professional customers.
- Strong customer-service mindset and ability to manage technical issues independently.
- Good communication and cross-functional collaboration skills.
- Willingness to travel within Italy and occasionally within Europe.
- Fluent Italian and good English skills are required. Chinese is preferred.
About this role
About SAJ Digital Energy GmbH
Company Overview
SAJ Digital Energy GmbH
HeadquartersFrankfurt am Main, Germany
Founded2022
What They Do
SAJ Digital Energy GmbH is the German branch of SAJ, a company founded in 2005 in Guangzhou, China, specializing in smart energy storage solutions (source: linkedin.com). The company develops and markets a wide range of products, including solar inverters, battery storage systems, integrated energy storage solutions, as well as monitoring and service software (source: saj-electric.com). SAJ offers "full-scene" solutions that intelligently link solar power generation, energy storage, consumption, and energy management to make energy safer, more efficient, and more economical (source: saj-electric.com). The German company focuses on trading, sales, and marketing of solar products as well as motor drives and control systems, complemented by customer service and technical support (source: northdata.de). SAJ serves customers in over 80 countries and holds more than 300 certifications and awards (source: unef.es).
Projects & Track Record
SAJ focuses on the manufacturing and distribution of energy storage and inverter solutions with an annual production capacity of up to 7 GW (source: solar365.nl). The company has a global sales network covering more than 100 countries (source: unef.es). In 2017, SAJ was ranked by IHS Markit as one of the top 10 global brands for single-phase inverters, and in 2019, SAJ held a 25% market share of home storage inverters in the Australian PV market (source: solar365.nl). Since June 2025, the German branch has been a member of the European industry association CEST, highlighting its active role in the European energy transition (source: cestonline.eu).
Recent Developments
In 2025, SAJ Digital Energy Germany GmbH joined the European association CEST as a full member, strengthening the company’s position as a provider of smart energy storage solutions in Europe (source: cestonline.eu). At the same time, the European sales and service network was expanded with locations in Germany, Italy, Spain, the Netherlands, Belgium, and the Nordic countries (source: saj-electric.com). The company’s communications continue to focus on smart storage, inverter, and monitoring solutions as well as comprehensive service offerings, rather than operating utility plants (source: linkedin.com).
Working There
SAJ Digital Energy GmbH offers employment opportunities in sales, marketing, customer service, technical support, research and development, production, and industrial automation technology (source: linkedin.com). The German company places special emphasis on customer service and technical support, indicating local hiring needs in support, field service, and commercial roles (source: northdata.de). With branches in Germany, Benelux, Italy, Spain, and the Nordic countries, SAJ offers diverse opportunities for employees in sales and after-sales service at the country level (source: saj-electric.com).
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