xAI

Protection Relay Engineer

xAI
onsite senior full-time Memphis, TN
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First indexed 18 Apr 2026

Description

We're seeking an experienced Protection Relay Engineer/Specialist to join our Memphis team. This role will focus on the design, configuration, commissioning, and support of SEL-based protection and automation systems for high-reliability power infrastructure supporting our AI compute facilities.

Responsibilities:

  • Perform detailed configuration and programming of SEL protective relays (e.g., SEL-751, SEL-787, SEL-700G, etc.) using acSELerator QuickSet and SEL Grid Configurator.
  • Develop and implement custom automation logic in SEL RTAC platforms using acSELerator Architect, IEC 61131-3 languages (Structured Text, Ladder Logic), and SEL Logic Engine.
  • Design and test SCADA communication protocols including DNP3, Modbus, IEC 61850 GOOSE/MMS, and SEL protocols over Ethernet and serial interfaces.
  • Conduct factory acceptance testing (FAT), site acceptance testing (SAT), relay setting validation, and end-to-end functional verification.
  • Generate comprehensive documentation: one-line diagrams, logic diagrams, setting files, HMI screens, and commissioning reports.
  • Provide technical support during system energization, troubleshooting, and post-commissioning maintenance.
  • Collaborate with project managers, SCADA engineers, and field crews to ensure seamless integration and schedule compliance.
  • Remain current with SEL firmware updates, NERC CIP cybersecurity requirements, and industry best practices.

Basic Qualifications:

  • Advanced proficiency in acSELerator QuickSet, Architect, and RTAC Web Interface.
  • Demonstrated ability to develop complex automation sequences, synchrophasor applications, and remedial action schemes.
  • Expertise in relay event analysis using SEL SynchroWAVE and Event Reporter.
  • Familiarity with IEC 61850 configuration via SCL files (SCD, ICD, CID).
  • SEL Authorized Training (e.g., SEL-5030, SEL-5033) preferred; PE license a plus but not required.
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/xai/jobs/4965890007