Protection Relay Engineer
Company: xAI
Location: Memphis
Posted on: February 9, 2026
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Job Description:
Job Description Job Description About xAI xAI's mission is to
create AI systems that can accurately understand the universe and
aid humanity in its pursuit of knowledge. Our team is small, highly
motivated, and focused on engineering excellence. This organization
is for individuals who appreciate challenging themselves and thrive
on curiosity. We operate with a flat organizational structure. All
employees are expected to be hands-on and to contribute directly to
the company's mission. Leadership is given to those who show
initiative and consistently deliver excellence. Work ethic and
strong prioritization skills are important. All employees are
expected to have strong communication skills. They should be able
to concisely and accurately share knowledge with their teammates.
About the Role xAI is 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. Required 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. xAI is an equal
opportunity employer. For details on data processing, view our
Recruitment Privacy Notice.
Keywords: xAI, Southaven , Protection Relay Engineer, Engineering , Memphis, Mississippi
