Senior Controls Engineer – OT SCADA Projects

🕒 May 5

🏄 California – Remote

🏄 California – Remote

💵 $160k - $190k / year

⏰ Full Time

🟠 Senior

👷🏻‍♀️ Engineer

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Terabase Energy

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

⚡ Energy

☁️ SaaS

Energy • Renewable Energy • SaaS

Terabase Energy is a company focused on revolutionizing the solar energy industry by developing an interconnected digital and automation platform designed to reduce costs and enhance scalability for utility-scale solar power plants. The company offers innovative solutions such as robotics-assisted construction automation and cloud-based digitization, which aim to optimize the entire lifecycle of solar power projects. With a commitment to maximizing efficiency and providing end-to-end support, Terabase is empowering clients to achieve more with their solar initiatives.

📋 Description

• Lead end-to-end controls design for utility-scale solar, BESS, and hybrid projects – from initiation through commissioning and closeout • Program and commission SEL controllers using AcSELerator; develop control logic in Codesys using IEC 61131-3 structured text • Identify project-specific deviations from standard product scope during contracting, forecast and scope project-specific development work • Implement and validate closed-loop Active Power and Reactive Power, AVR and PFR Algorithms • Maintain version control for all code artifacts according to established version control procedure • Troubleshoot complex SCADA and controls issues using Wireshark, breakpoints, cross-reference, and watch list tools • Produce project deliverables: System Architecture Diagrams, Control Narratives, Logic Diagrams, commissioning documents, and operator manuals • Contribute to new feature development and bug fixes in collaboration with the Product Engineering team • Review documentation prepared by junior controls engineers (technical and non-technical) • Lead the Continuous Improvement and Lessons Learned program, feed field insights back into product standards and templates • Coach junior engineers through FAT preparation and customer-facing presentation • Serve as primary controls technical contact for EPCs, asset owners, and grid operators through project execution, FAT, and commissioning • Lead FATs as formal presentations; communicate to non-technical audiences with supporting materials prepared in advance • Flag technical risks and schedule pressures to management with context and proposed solutions • Maintain Jira tickets daily with thorough detail; enforce Jira best practices with junior engineers • Deliver high-quality work independently across multiple concurrent projects with ownership and urgency • Leverage standardized platforms and tools; avoid project-specific one-off engineering approaches • Ensure 100% adherence to Terabase quality processes; enforce standards with junior engineers • Mentor junior controls engineers through technical guidance, code review, and FAT coaching • Project deliverables completed on time, within scope, and meeting Utility/ISO regulatory standards • Jira, version control, and documentation consistently maintained without follow-up from management • Recognized internally and externally as the go-to technical authority on Terabase SCADA and OT controls • Travel up to 10% for on-site commissioning, FAT, and customer engagements

🎯 Requirements

• Bachelor’s degree in Engineering, Computer Science, Technology, or related field • 3-5+ years of IEC 61131-3/PLC programming experience, preferably in Codesys or AcSELerator environment • 3+ years of utility-scale power plant controls experience (solar, BESS, or hybrid) • Expert IEC 61131-3 programming; primary tooling is AcSELerator (SEL controllers) and Codesys, including Diagram Builder, traces, breakpoints, and watch lists • Extensive knowledge of industrial protocols: Modbus-TCP, DNP3, OPC-UA, etc. • Expert knowledge of grid functionality: PFR, AVR, Reactive Power, Voltage Regulation, and Capacitor Banks – including the underlying grid rationale, not just controller behavior • Proficiency with Utility/ISO testing and interconnection requirements (ERCOT, PJM, BPA, IEEE 2800, NERC, etc.) • Experience with Power Plant Controller (PPC) design, configuration, and commissioning • Familiarity with PSCAD, PSSE, and/or TSAT modeling processes for utility-scale sites

🏖️ Benefits

• Generous time off and holiday policy • Remote flexibility • Flexible time off • Comprehensive benefits package • Career progression • 401k match • Stock options • Home office set up allowance • And much more!