Principal Facilities Electrical Engineer (High Voltage)

We are seeking an Electrical Engineer with specialized expertise in commissioning, project execution and operational readiness within a high-demand semiconductor manufacturing environment. This critical role ensures the seamless integration of new and upgraded electrical systems - from design validation through energization - while maintaining uninterrupted fabrication operations. The ideal candidate will have extensive experience with medium-voltage electrical systems up to 12,000 V and a proven track record of executing complex projects safely and efficiently.   Key Responsibilities: • Commissioning & Startup Leadership: • Lead commissioning for facility upgrades, expansions and new tool installations. • Develop commissioning plans and validation protocols for performance, functionality and compliance with design and operational requirements. • Troubleshoot and resolve technical issues to ensure timely energization and successful system handoff.   • Project Execution & Documentation: • Author, review and approve electrical project scopes of work (SOWs) and switching/LOTO schedules for outages, tie-ins and energizations. • Create and maintain SOPs, maintenance procedures and emergency response plans aligned with industry best practices. • Manage electrical change orders, submittals and RFIs during project execution.   • Facility Upgrades & Tool Installation: • Provide electrical engineering support across the project lifecycle, including new fab construction, expansions and tool installations. • Ensure designs comply with NEC, SEMI standards, corporate specifications and power quality requirements for sensitive equipment. • Validate voltage, current, grounding and harmonic performance for new tool hook-ups.   • Power System Reliability & Safety: • Apply load-shedding and restoration strategies to minimize risk during planned outages and unplanned events. • Champion electrical safety, particularly during medium-voltage (up to 12 kV) energization and maintenance. • Maintain compliance with NFPA 70E, OSHA and NFPA 70B standards. • Ability to read single-line drawings. • Develop and implement robust LOTO procedures for complex multi-sourced and medium-voltage systems. • Maintain accurate as-built documentation and participate in electrical incident. • Preferred Bachelor’s degree in Electrical Engineering or equivalent • 5-10 years of electrical engineering experience, construction support, and operational troubleshooting. • Proficient in power distribution systems, motor control centers (MCCs), VFDs and backup/emergency power systems. • Experience with low and medium-voltage systems up to 12,000 V is required. • Good knowledge of electrical codes and standards, including NEC, NFPA 70E, IEEE, and NETA. • Skilled in Revit and CAD drafting platforms (e.g. AutoCAD). Preferred Qualifications • BS in Electrical Engineering with a focus on power systems or controls.  • Control systems troubleshooting and commissioning experience. • Experience performing power systems studies, including protective device coordination, arc flash analysis, short circuit calculations and cable schedules. • Background supporting electrical systems in high-reliability environments, such as semiconductor, pharmaceutical or data center facilities. • This role will work on site in Roseville, CA. • This position works Monday- Friday, overtime as required • Indefinite US work authorized individuals only.  Future sponsorship for work authorization unavailable.   About Bosch BOSCH is a proud supporter of STEM (Science, Technology, Engineering & Mathematics) Initiatives: • FIRST Robotics (For Inspiration and Recognition of Science and Technology) • AWIM (A World In Motion) “Equal Opportunity Employer, including disability / veterans.”