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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Technical Support Engineer - **Company:** Alphaess - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Communications Protocols, Modbus, Operational Data Store, TCP/IP - **Published:** September 17, 2026 - **Apply:** https://www.buscojobs.com.es/technical-support-engineer-en-madrid-ID-372307071 ## About the Role Bachelor's degree or above in Electrical Engineering, Automation, Renewable Energy, or related fields Experience in energy storage, photovoltaic, inverter, battery systems, or related electrical industries is preferred Solid electrical and system knowledge with the ability to independently analyze onsite issues and perform troubleshooting Hands-on experience in onsite installation, commissioning, or technical service Familiarity with communication protocols such as Modbus, CAN, and TCP/IP is preferred Strong communication and coordination skills, with the ability to collaborate efficiently with customers, installers, and internal teams Customer-oriented, proactive, and capable of working independently and driving problem resolution Fluent in English as working languages Willingness to travel within Europe when required What we offer: A steep learning curve and an appreciative corporate culture. Insights into the corporate development and strategic orientation of a rapidly growing start-up company Participation in a highly motivated and efficient team Expand horizons as the company grows globally Compensation higher than the average level ## Description Alpha ESS is a leading manufacturer of electricity storage systems and a pioneer in the successful implementation of the energy transition.After more than 10 years of experience in the production of energy storage solutions, Alpha ESS has already installed over 30,000 stationary storage solutions worldwide.Due to the extensive investments in research & development since the beginning, Alpha ESS has been able to establish itself as an innovative full-range supplier on the European market.In order to be able to continue this success, Alpha ESS is reaching out to new talented colleagues.We are looking for enthusiastic, responsible, and reliable new members of our team who want to work together to preserve the environment and our planet.Responsibilities:Act as the technical interface for the company's energy storage products, providing professional technical support to distributors, installers, and service partners throughout project delivery and after-sales processes Responsible for onsite installation guidance, commissioning, testing, and troubleshooting of energy storage systems, with the ability to quickly identify and resolve system issues Support technical analysis for residential and C&I ESS projects, including communication, EMS, inverter, and battery system related issues Handle customer complaints and technical escalation cases, coordinate internal resources, and drive issue resolution to improve customer satisfaction Maintain close communication with R&D and product teams, provide feedback on onsite issues and product improvement suggestions, and support continuous product optimization Collect and organize onsite operational data, service reports, and technical documentation to ensure accurate and complete service records Provide technical training to distributors, installers, and service partners, covering product installation, commissioning, maintenance, and troubleshooting Qualifications:Bachelor's degree or above in Electrical Engineering, Automation, Renewable Energy, or related fields Experience in energy storage, photovoltaic, inverter, battery systems, or related electrical industries is preferred Solid electrical and system knowledge with the ability to independently analyze onsite issues and perform troubleshooting Hands-on experience in onsite installation, commissioning, or technical service Familiarity with communication protocols such as Modbus, CAN, and TCP/IP is preferred Strong communication and coordination skills, with the ability to collaborate efficiently with customers, installers, and internal teams Customer-oriented, proactive, and capable of working independently and driving problem resolution Fluent in English as working languages Willingness to travel within Europe when required What we offer:A steep learning curve and an appreciative corporate culture.Insights into the corporate development and strategic orientation of a rapidly growing start-up company Participation in a highly motivated and efficient team Expand horizons as the company grows globally Compensation higher than the average level#J-*****-Ljbffr ## Related Videos - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Dos and don'ts with react hooks. 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