Leon Sokhis, PE

619-***-**** **** Camino Corto, San Diego CA 92120 adeig3@r.postjobfree.com LinkedIn

Extensive experience in design and development of electrical power and controls systems, gas turbines and electrical systems optimization, gas compressors driven by gas turbines and electrical motors, facility electrical engineering, and technical customer support. Experience in forensic engineering, renewable energy system design, short circuit, coordination and arc flash calculations.

Professional Experience

Genentech (Roche), Consultant, Electrical Engineer, Professional Engineer May 2019 – Present

Maintain electrical facility with 17 MW of power output. Facilities include: energy storage, PV system, fuel cells and diesel generators.

Design and implement comprehensive grounding system.

Review and stamp electrical drawings.

Reviewed existing and proposed a new design and selection of UPS system. Worked with vendors and suppliers of UPS system.

Support and sustain all “in-house” electrical issues, work cross-functionally with electrical contractors and suppliers, overseeing and accepting contractor’s work including power distribution and lighting systems.

Provided calculation for short circuit, coordination and arc flash studies utilizing SKM Power Tools software.

Clean Spark, Senior Electrical Engineer, Professional Engineer April 2017 – May 2019

Designed Solar PV systems integrated with battery storage solutions for military and commercial installations.

Employed proprietary microgrid targeted software.

Responsible for electrical and control systems design.

Reviewed and stamped electrical drawings.

DONAN, Forensic Electrical Engineer, Professional Engineer November 2016 – April 2017

Responsible for conducting thorough investigations of electrical failures in residential and commercial facilities. Covered the entire West Coast territory.

Collaborated with investigators of other disciplines, issued detailed reports on said electrical failures, and provided comprehensive recommendations on action-oriented solutions.

Investigations included wind turbines, inverters, industrial ovens and other commercial grade equipment failures. Conducted investigations of grounding and short circuits issues. Provided recommendations for issue mitigation and product improvements and optimization.

Solar Turbines Inc., Product Refurbishing and Upgrades Group: PM/Principal Application Engineer 2004 – August 2016

Evaluated and finalized decisions relating to the following electrical systems: generator evaluation, synchronization to multiple buses, load sharing and load shaving, excitation evaluation, grounding and instrumentation selection, start motors and VFDs selection.

Programmed PLC and VFD. Selected and optimized gas turbine starting sequence, fuel and oil supply, critical turbine parameters such as internal combustion temperature, compressor discharge pressure, turbine exhaust temperature. Provided recommendation on gas turbine selection, evaluated generators’ capability curves and ability system to work in extreme geographical locations.

Developed a program for a blink-less transfer and optimum gas turbine (generator set) performance in a system with two PLCs working synchronously.

Provided custom technical and commercial pricing proposals for evaluated equipment. Issued recommendation to maximize generator and compressor sets performance.

Worked cross-functionally with Solar’s field employees and customers, provided recommendations daily.

Solar Turbines Inc., Oil & Gas PAE Group: Application Engineer 2001 – 2004

Provided technical consultation to the sales force on issues concerning electrical, controls, and power generation, as well as technical customer support to new and current customers during the buying process.

Identified critical issues, delivered precise customer requirements to Manufacturing, and managed these issues to successful resolutions.

Developed solutions for complex technical projects and implemented proactive strategies for risk management. Specialized in international projects, Power Generation projects, and Electric Motor Drives.

Solar Turbines Inc., Controls System Group: Senior Design Engineer 1996 - 2001

Designed all phases of hardware and software, created custom HMI, configured and tested deliverable systems.

Worked closely with customers to determine interface integration with their existing systems.

Reviewed problems and specified implementation phases and initial operation of new systems.

Worked with Project Management and provided a high level of support to manufacturing and test organizations to resolve design issues.

Designed two generator sets installed at the world tallest, at the time, buildings Petronas Twin Tower in Kuala Lumpur, Malaysia.

Tower Engineering, Project Engineer – Napa, California 1996

Designed and evaluated power distribution and controls systems for industrial and commercial facilities, including healthcare, educational and institutional facilities.

Worked directly with customers, supervised multiple projects for various facilities during design and construction stages. Insured safe and timely project execution.

Reynolds Metals Co., Electrical Engineer – Torrance, California 1990-1996

Designed, installed and tested power distribution systems, developed automated control systems for aluminum manufacturing. Worked with Texas Instrument (TI) and Allen Bradley (AB) programmable logical controllers (PLC), VFD (Toshiba and AB), conveyers, and ovens.

Automation & Control Systems Inc., Facility Electrical Engineer – Odessa, Ukraine 1981-1989

Implemented design of Power Generation and Control Systems for automated chemical processing plants.

Developed new equipment for existing and new operations.

Programmed variable speed drives. Used analog and digital instrumentation base to provide output signals and receive motor feedbacks. Used silicon-controlled rectifiers (SCR) with an output current up to 200 Amperes.

Evaluated bids, selected contractors, managed projects, supervised personnel and contractors’ teams.

Education

Odessa Institute of Technology – Odessa, Ukraine

Bachelor of Science in Engineering (BSEE). Major in Power and Control Systems.

University of California, San Diego - School of Extended Studies and Public Programs- San Diego, California

Power Systems Engineering Certificate (2016)

Secure Communication Networking for Distributed Energy Resources (2019)

Professional Electrical Engineer

California State Board of Registration for Professional Engineer and Land Surveyors. Lic. #E014950 (Current, obtained in 1995).

NFPA70E 2018 - certificate

Electrical Contractor License C-10

California State License Board Lic. #698466 (Inactive, obtained in 1994).

Additional skills

MatLab, Autocad, Revit, MS Office, Visio, OpenDSS, SAM, DER-CAM, SKM-Power Tools

Languages

Fluent in English, Russian, Ukrainian

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