Electrical Design Engineer - Microgrids, Morrisville​/Raleigh, NC

Who We Are

Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of smart energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, “To provide innovative, clean and energy-efficient solutions for a better tomorrow,” Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change.

Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across five continents. Delta has 158 sales offices, 72 R&D centers and 48 manufacturing facilities worldwide.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the DJSI World Index of Dow Jones Sustainability™ Indices for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership level ratings for its substantial contribution to climate change and water security issues and named Supplier Engagement Leader for its continuous development of a sustainable value chain.

At Delta, we’re leading the energy transition with innovative solutions in solar inverters, energy storage systems, and EV charging infrastructure. Our technologies are helping utilities, businesses, and communities decarbonize and build resilient, intelligent energy ecosystems. Join us in creating a cleaner, smarter energy future.

Electrical Design

Develop single-line diagrams, three-line diagrams, protection one-lines, and load flow / short-circuit / arc-flash studies for BESS + PV + genset microgrids from 500 kW to 200 MW

Size and specify medium-voltage (up to 35 kV) and low-voltage equipment: transformers, switch gear, breakers, PCS, BESS enclosures, PV inverters, and auxiliary loads

Perform grounding, cable sizing, conduit fill, voltage-drop, and harmonic (IEEE 519) analyses; issue stamped calculation packages where required

Author equipment specifications, technical bid evaluations, and RFQ packages for utility-grade balance-of-plant

Protection & Control Interface

Develop protection schemes (50/51, 27/59, 81/ROCOF, 25, 32, 87) and coordinate settings with IEDs; validate anti-islanding and ride-through per IEEE  / UL 1741-SB / IEEE 2800 as applicable

Partner with the controls team on IEC 61850 GOOSE / MMS mapping, SCADA point lists, RTAC I/O schedules, and PCC metering

Support commissioning of grid-forming and grid-following modes, black-start sequencing, seamless islanding, and PCC resynchronization

Project Execution

Serve as the electrical engineer of record across RFQ, award, detailed design, procurement, factory acceptance test (FAT), site acceptance test (SAT), and commissioning phases

Coordinate with utility interconnection engineers through application, study, and witness-testing milestones

Own the AHJ / township submittal package: NEC, NFPA 855 (BESS), NFPA 70E, IBC / IFC compliance, and stamped drawings via licensed PE where required

Track electrical scope on cost, schedule, and quality; drive resolution of RFIs, change orders, and site punch lists

B.S. in Electrical Engineering (Power Systems concentration preferred); M.S. a plus

5+ years of electrical design experience in one or more of: BESS, microgrid, utility-scale PV, industrial power, or substation…