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About the Role
As an Electrical Design Engineer, you will own the electrical design documentation for islanded behind-the-meter microgrids, translating architecture into a buildable plant. You will size system components and produce technical inputs for the Engineer of Record, working under the Director of Power Systems Engineering.
Responsibilities
- Create and maintain electrical single-line and three-line diagrams, wiring schedules, and system schematics for islanded BTM microgrids.
- Size conductors, OCPD, disconnects, and switchgear across MV/LV and DC collection in compliance with NEC, UL 1741-SB, UL 9540, and NFPA 855.
- Produce the basis-of-design and technical inputs for the Engineer of Record, and coordinate their review and stamp.
- Develop equipment layouts and DC collection designs for ground-mount PV + BESS.
- Maintain the drawing set through revisions, ensuring procurement, the EOR, and field execution use a single source of truth.
- Support OEM technical evaluation with necessary electrical inputs for selection and purchase orders.
- Track FEOC-compliant equipment options for ITC eligibility.
Requirements
- BSEE, power systems, or related STEM discipline.
- 3+ years in utility-scale solar, BESS, or power-systems design, with hands-on ownership of SLDs/three-lines and equipment sizing.
- Proficiency in electrical CAD (AutoCAD Electrical or similar) and a power-system study tool (SKM, ETAP, CYME, or similar).
- Strong understanding of NEC, NESC, IEEE standards.
- Working knowledge of UL 1741-SB, UL 9540/9540A, and NFPA 855 for PV and energy-storage integration.
- Experience with conductor, OCPD, disconnect, and switchgear sizing across DC, LV, and MV (34.5 kV class).
- Experience producing basis-of-design and working to or with an Engineer of Record.
- Extreme attention to detail with a bias for speed and rapid iteration.
Skills
- Electrical CAD
- Power-system study tools
- NEC
- NESC
- IEEE standards
- UL 1741-SB
- UL 9540/9540A
- NFPA 855
- Conductor sizing
- OCPD sizing
- Disconnect sizing
- Switchgear sizing
- Basis-of-design production
- Ground-mount utility-scale PV + BESS design
- MV collector design
- MV switchgear design
- Substation-adjacent design
- Islanded microgrid design
- Off-grid microgrid design
- BTM microgrid design
- Grid-forming inverter architecture
- Grid-following inverter architecture
- ERCOT / Texas project experience
Location
- West Texas
Work Type
- Full-time
Experience Level
- 3+ years
Education Level
- BSEE
- Power systems degree
- Related STEM discipline
Benefits
- Up to $15K relocation bonus
- Unlimited PTO
- Health insurance
- Dental insurance
- Vision insurance
- $1K monthly stipend for meals
About the Company
- TAR is building the world’s first off-grid power plant for data centers powered by renewable technologies.
- We are building GW-scale power faster than ever before by rethinking every layer of the stack.
- We vertically integrate to solve every bottleneck, from racking systems to power electronics to dispatch algorithms to on-site construction.
- TAR is both a hardware and software company, building massive, critical, physical infrastructure.
- TAR is working directly with one of the largest compute providers to scale and deploy 5GWs by 2028.
- We operate on principles of high ownership, high agency, speed, first principles, no ego, no hierarchy, and passion.