Senior OT SCADA Controls Engineer Utility-Scale Projects

Terabase Energy

Sacramento (CA)

On-site

USD 150,000 - 190,000

Full time

11 hours ago

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Benefits offered by this job

Generous time off and holiday policy

Career progression

Home office set up allowance

Job summary

Terabase Energy is seeking a Sr. Controls Engineer – OT SCADA Projects to lead design, configuration, commissioning, and support of plant control systems for utility-scale solar, storage, and hybrid renewable energy projects.

You will mentor junior engineers, ensure adherence to Utility/ISO standards, and drive product standards with 80% project execution and 20% continuous improvement. You will program and commission SEL controllers with AcSELerator, develop Codesys logic, validate power

Qualifications

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 and Codesys

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
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 with Product Engineering
Review documentation prepared by junior controls engineers
Lead Continuous Improvement and Lessons Learned program
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 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
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