EC Source Services, LLC

Principal Protection and Controls Engineer

EC Source Services, LLC

full-time

Posted on:

Location Type: Remote

Location: Arizona • California • United States

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Job Level

Lead

About the role

  • Design and develop protection, control, and communication systems for high-voltage substations and transmission/distribution projects
  • Prepare engineering design packages, including one-line and three-line diagrams, AC/DC schematics, panel layouts, wiring diagrams, and bills of materials
  • Develop relay protection schemes and coordinate settings for various system configurations
  • Create and review logic diagrams, functional control drawings, and SCADA I/O lists
  • Perform calculations and studies to ensure system reliability, selectivity, and coordination
  • Coordinate with substation physical design, relay settings, telecommunications, and other project teams to ensure cohesive and accurate designs
  • Provide technical support during project construction, commissioning, and troubleshooting phases
  • Ensure compliance with industry standards, client requirements, and company QA/QC processes
  • Participate in project meetings and site visits to gather field data and verify design implementation
  • Review vendor drawings and specifications for relays, RTUs, control panels, and related equipment
  • Support the development of cost estimates, project proposals, and schedules for protection and controls projects
  • Mentor junior engineers, technicians, and drafters, providing technical guidance and quality reviews

Requirements

  • Bachelor’s degree in Electrical Engineering or a related field (Power Systems focus preferred)
  • 5+ years of experience in protection and controls design for high-voltage substations or transmission/distribution systems
  • Strong understanding of protective relaying principles, control systems, and substation automation
  • Experience developing one-line diagrams, three-line diagrams, AC/DC schematics, panel layouts, wiring diagrams, and related documentation
  • Proficiency with protective relay coordination and settings, SCADA systems, and communication protocols (DNP3, IEC 61850, Modbus, etc.)
  • Familiarity with industry standards such as IEEE, NESC, NEMA, and ANSI
  • Experience using AutoCAD, MicroStation, or other electrical design tools
  • Strong analytical, organizational, and problem-solving skills with a high attention to detail
  • Excellent written and verbal communication skills with the ability to collaborate across multidisciplinary teams
  • Professional Engineer (P.E.) license or eligibility for future licensure preferred
  • Ability to manage multiple projects and deliver quality results within schedule and budget constraints
Benefits
  • Health insurance
  • Retirement plans
  • Paid time off
  • Flexible work arrangements
  • Professional development
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
protection and controls designprotective relaying principlescontrol systemssubstation automationone-line diagramsthree-line diagramsAC/DC schematicspanel layoutswiring diagramsrelay coordination
Soft Skills
analytical skillsorganizational skillsproblem-solving skillsattention to detailwritten communicationverbal communicationcollaborationmentoring
Certifications
Bachelor’s degree in Electrical EngineeringProfessional Engineer (P.E.) license