Project Controls Engineer, OT SCADA Projects

Terabase Energy

. Execute controls design for utility-scale solar, BESS, and hybrid projects under senior engineer guidance .

Posted 11/5/2026contractRemote • United StatesMid-LevelSenior💰 $120,000 - $130,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in IEC 61131-3 programming and control systems for utility-scale solar and BESS projects, with a strong focus on project-specific requirements, commissioning, and technical documentation. Proficient in troubleshooting and implementing control algorithms while effectively communicating with both technical and non-technical stakeholders.

Highest-signal resume keywords

IEC 61131-3 ProgrammingAcSELerator ProficiencyUtility-Scale Renewable Power Plant ControlsFactory Acceptance Test (FAT) ExperienceSCADA Troubleshooting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Control Logic DevelopmentCodesys ProgrammingActive Power ControlReactive Power ControlAutomatic Voltage Regulation (AVR)Primary Frequency Response (PFR)Modbus-TCPDNP3OPC-UAC37.118

Soft Skills

Technical CommunicationProblem-SolvingCollaborationDocumentation SkillsPresentation Skills

Tools & Technologies

BitbucketWiresharkDiagram BuilderPSCADPSSETSATRTDSOPAL-RTSpeedgoatTyphoon

Industry Keywords

Utility-Scale SolarBattery Energy Storage Systems (BESS)Hybrid ProjectsProject-Specific DevelopmentInterconnection RequirementsERCOTPJMBPAIEEE 2800NERC

About the role

Key responsibilities & impact

Execute controls design for utility-scale solar, BESS, and hybrid projects under senior engineer guidance
Review project scopes to identify project-specific requirements and deviations from standard controls offerings
Program and commission SEL controllers using AcSELerator
Develop control logic in Codesys using IEC 61131-3 structured text and continuous function charts
Document requirements, develop logic, test in simulated/lab environments, and document test results
Implement and validate closed-loop Active Power, Reactive Power, AVR, and PFR algorithms
Maintain code artifacts in Bitbucket according to version-control procedures
Troubleshoot SCADA and controls issues using Wireshark, breakpoints, cross-reference, and watch-list tools
Produce system architecture diagrams, control narratives, logic diagrams, commissioning documents, and operator manuals
Contribute to feature development, bug fixes, continuous improvement, and lessons-learned programs
Prepare technical documentation, FAT materials, and customer-facing presentations
Support senior engineers as a controls technical contact for EPCs, asset owners, and grid operators
Lead assigned portions of FAT presentations and communicate with non-technical audiences
Flag technical risks and schedule pressures to project management with proposed solutions
Maintain Jira tickets daily
Travel up to 10% for on-site commissioning, FAT, and customer engagements

Requirements

What you’ll need

Bachelor’s degree or higher in Engineering, Control Systems, Computer Science, or related field
3+ years of IEC 61131-3/PLC programming experience, preferably in Codesys or AcSELerator environment
2+ years of utility-scale renewable power plant controls experience (solar, BESS, or hybrid) preferred, including exposure to project-specific development work, Factory Acceptance Test (FAT), commissioning and Site Acceptance Test (SAT)
Proficient IEC 61131-3 programming using AcSELerator and Codesys
Familiarity with Diagram Builder, traces, cross-references, breakpoints, and watch lists
Working knowledge of Modbus-TCP, DNP3, OPC-UA, C37.118, and related industrial protocols
Understanding of Primary Frequency Response (PFR), Automatic Voltage Regulation (AVR), active/reactive power closed-loop control, and capacitor bank functionality
Familiarity with Utility/ISO testing and interconnection requirements, including ERCOT, PJM, BPA, IEEE 2800, and NERC
Exposure to Power Plant Controller (PPC) design, configuration, and commissioning
Familiarity with PSCAD, PSSE, and/or TSAT modeling processes is a plus
Exposure to HIL hardware such as RTDS, OPAL-RT, Speedgoat, or Typhoon is a plus

Benefits

Comp & perks

This is a temporary role without benefits.