Were looking for Principal Controls Engineer with project-based engineering experience to lead network-and-controls-related hardware product design, documentation, project-specific technical compliance and support the development activities related to these products. This is a product focused role-we need someone who can speak fluently about both network architecture and industrial control systems, ideally have experience in mission critical applications, and interface with IT, software, project, commissioning and O&M engineering teams. Key Responsibilities: • Support the business development team by providing technical proposals e.g. network diagrams that meet the customers needs. • Collaborate across control systems, SCADA, and IT teams to ensure complete and secure connectivity • Integrate and support industrial protocols like Modbus, DNP3, and OPC-UA • Compile product technical information packages for the project engineering team. • Co-lead review and validation of network/controls product-related topics during the project execution phase. • Maintain technical documentation including as-built drawings • Support product development by capturing design improvement feedback from the different project phases: design, commissioning and O&M. • Support product development by recommending design approaches and vendors of the main equipment. • Participate in product design sprints with the development team. • Participate in the products commissioning phase. Required Experience • Bachelors degree in Controls Engineering, Electronics Engineering, or similar technical field. • 12+ years of hands-on controls engineering experience in project-based or industrial settings. • Proven experience in project network deployments, not just operations • Strong grasp of protocols (TCP/IP, BGP, OSPF, VLANs, VPNs) • Significant experience with control systems and operational technology (OT) • Ability to produce and read network and control architecture drawings • Excellent communication skills across technical and non-technical teams. • Willing to travel up to 20% for product FAT inspection and site commissioning witnessing. Preferred Experience • Certifications: ISA CAP/CCST, Rockwell, Siemens, Schneider or similar • Experience with BESS, SCADA, EMS, Safety Systems or utility-scale infrastructure • Background in energy, utility, or data center environments For US-based roles - What youll get: • Competitive salary + annual performance-based bonus eligibility • Medical, dental, and vision insurance • 401(k) with company match • Paid time off and company holidays For Mexico-based roles - What youll get: • Competitive salary + annual performance bonus eligibility • Christmas Bonus (Aguinaldo): 30 days • Major medical expenses and life insurance • Paid time off and holidays (per local policy) For all roles: • Professional development and growth opportunities • Opportunity to grow with a mission-driven team shaping the future of clean energy • Benefits vary by role and location and are subject to change.