Principal Electrical Engineer (Power Systems)

Location: San Francisco, United States; working in the office five days a week is an essential part of the role

Salary: $250K–$290K annually

Company

hirify.global is a vertically integrated aerospace company developing scalable technology for critical infrastructure, mission operations, and the future of flight.

What you will do

• Translate product requirements into electrical specifications, one-line diagrams, schematics, and bills of materials.
• Own the electrical architecture of the 13 MW ground power plant, including transformers, switchgear, cabling, protection, and grounding.
• Perform and review load-flow, short-circuit, protection-coordination, arc-flash, grounding, harmonics, and transient studies.
• Lead electrical validation, commissioning, troubleshooting, certification, and compliance activities.
• Collaborate with mechanical, controls, manufacturing, and cross-functional teams while representing the product with customers, utilities, suppliers, and certification bodies.
• Mentor engineers, review designs, and act as the technical authority for electrical safety.

Requirements

• BS, MS, or PhD in electrical engineering or a related field.
• 10+ years of experience designing, building, testing, and shipping electrical power systems.
• Deep experience with 1–38 kV medium-voltage systems, including generators, transformers, switchgear, protective relays, and grid-interconnect schemes.
• Strong power system analysis skills and proficiency with ETAP, SKM, or EasyPower.
• Knowledge of NEC, IEEE, IEC, UL, and NFPA 70E, with experience taking products through certification.
• Hands-on experience commissioning and troubleshooting medium-voltage equipment and generator control systems.

Nice to have

• Experience with power electronics such as inverters, rectifiers, and excitation systems.
• Experience integrating controls, SCADA, PLCs, and communication protocols.

Culture & Benefits

• In-office work five days per week to support collaboration and company culture.
• Medical, dental, and vision insurance, including Flexible Spending Accounts.
• 401(k) program and stock option plan.
• Self-managed flexible time off, paid holidays, and sick time.
• Flat structure, pragmatic engineering culture, and high ownership.