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Protection & Controls Design Engineer

Expanse ElectricalHouston, TX

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Job Description

The Protection & Control (P&C) Design Engineer is responsible for designing, developing, and implementing protection and control systems for high-voltage substations, transmission, and distribution systems. This role ensures reliable system performance, personnel safety, and compliance with industry standards and client specifications.

Key Responsibilities:

  • Develop protection and control design packages for substations (typically 15 kV - 500 kV).
  • Prepare one-line diagrams, three-line diagrams, AC/DC schematics, wiring diagrams, and panel layouts.
  • Design relay protection schemes for transformers, lines, buses, and breakers.
  • Perform relay coordination studies and protection setting calculations using tools such as SEL AcSELerator, Aspen OneLiner, or ETAP.
  • Specify and select relays, meters, RTUs, communication equipment, and control panels.
  • Review and interpret customer technical specifications and standards to ensure design compliance.
  • Provide technical support during the construction, commissioning, and testing of protection and control systems.
  • Coordinate design activities with civil, structural, and physical design teams to ensure integration of all substation systems.
  • Review vendor drawings and support equipment procurement efforts.
  • Prepare project documentation, including bills of material, test plans, and design reports.
  • Ensure all designs adhere to applicable NERC, IEEE, IEC, and utility standards.
  • Support field engineers and technicians with troubleshooting and startup assistance.

Qualifications:

Education:

  • Bachelor's degree in Electrical Engineering (BSEE required, power systems focus preferred).

Experience:

  • 3+ years of experience in protection & control design for substations or transmission/distribution systems.
  • Familiarity with protective relay logic and SCADA integration.
  • Proficiency in AutoCAD, MicroStation, or equivalent CAD software.
  • Experience with SEL, GE, or Siemens relays preferred.

Certifications (Preferred):

  • Professional Engineer (PE) license or Engineer-in-Training (EIT) certification.
  • NCEES record or ability to obtain PE in multiple states a plus.

Key Skills and Competencies:

  • Strong knowledge of electrical power systems, relaying principles, and control logic.
  • Ability to interpret complex electrical drawings and develop detailed designs.
  • Excellent written and verbal communication skills.
  • Strong attention to detail and commitment to quality.
  • Ability to manage multiple projects and meet deadlines.
  • Collaborative mindset with effective teamwork across disciplines.

Work Environment:

  • Primarily office-based with occasional field visits to substation or project sites.
  • May require travel to client or construction sites (

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