OT Communications Manager – PV & BESS

Description

OT Communications Manager **Do you want to drive the energy transition from within?** As part of our growth and organizational strengthening, we are seeking to hire an **OT Communications Manager** for our technical team, responsible for designing, coordinating, and standardizing industrial communications across our renewable energy projects—particularly photovoltaic (PV) plants, battery energy storage systems (BESS), and hybrid projects. We seek a candidate with solid technical expertise in industrial networks and communications, capable of defining robust architectures, leading a technical team, and ensuring proper integration of various plant systems and equipment. What will your day-to-day responsibilities be? * Lead the design and definition of communication architectures for our PV, BESS, and hybrid projects. * Define network segments, VLANs, IP addressing, ports, connectivity, and static routing. * Supervise the design of cabling layouts, communication diagrams, network schematics, and technical documentation. * Define and validate industrial communication protocols such as IEC 60870\-5\-104, DNP3, and Modbus, among others. * Ensure compatibility and integration among SCADA, RTUs, PLCs, gateways, industrial switches, and equipment from different manufacturers. * Analyze customer technical requirements and adapt communication solutions to meet each project’s specific needs. * Coordinate and allocate tasks across the global communications team, supervising proper execution and ensuring internal coordination. * Collaborate with other technical disciplines to ensure efficient plant system integration. * Provide remote technical support for incidents and participate in resolving communication-related issues. * Guarantee robust, standardized solutions aligned with each project’s technical and operational criteria. Requirements * University degree in Telecommunications Engineering, Electrical Engineering, Electronics Engineering, Industrial Engineering, Automation, or a related field. * 12\-15\+ years of professional experience, with a strong background in industrial communications, OT networks, and/or automation applied to electrical, energy, or industrial environments. * Advanced experience in designing and defining OT communication and network architectures, including TCP/IP, VLANs, IP addressing, segmentation, ports, and routing. * Experience working with industrial protocols such as IEC 60870\-5\-104, DNP3, and Modbus. * Solid knowledge of SCADA, RTUs, PLCs, gateways, and industrial switches, as well as integration among equipment from different manufacturers. * Demonstrable experience leading or coordinating technical teams, distributing workloads, and supervising deliverables. * Ability to interpret customer technical requirements and translate them into robust, scalable communication solutions. * Autonomy, problem-solving capability, and sound judgment for making technical decisions. * Availability to respond to critical incidents outside regular working hours when necessary, providing remote support to ensure continuous plant communication operations. * Experience in renewable energy projects—including photovoltaic plants, BESS, electrical substations, or hybrid plants—will be highly valued. About Grenergy We are a Spanish multinational clean energy producer. Founded in 2007 and listed on the stock exchange since 2015, we operate in three key regions: the U.S., Europe, and Latin America. Thanks to our commitment to battery technology, we deliver clean, affordable, reliable, and constant energy—anywhere, anytime, 24/7\. With a team of over 600 people, we not only believe in the future of energy—we actively foster talent. We firmly believe in diversity and equal opportunity to create a dynamic environment where you can grow and make a difference. Grenergy is committed to providing equal employment opportunities without discrimination to all employees and candidates, regardless of race, gender, age, ancestry, color, religion, disability, marital status, origin, gender identity, sexual orientation, or any other characteristic. \#LI\-CF1