Senior Controls Engineer – OT SCADA Projects
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Job Description
Sr. Controls Engineer leading SCADA design and support for utility-scale solar and renewable energy projects. Mentoring junior engineers while ensuring quality standards and customer engagement.
Responsibilities:
- 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!
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