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.

Key Responsibilities

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, switchgear, 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 1547-2018 / 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

Minimum Qualifications

• 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 engineering. Senior candidates: 8+ years

• Working knowledge of NEC (NFPA 70), NFPA 855 for energy storage, IEEE 1547-2018, IEEE 519, and IEEE C37 protection series

• Hands-on experience with ETAP, SKM PowerTools, EasyPower, or Auto Electric for load-flow, short-circuit, arc-flash, and protection coordination

• Comfort reading and producing single-line diagrams, control schematics, and cable schedules; AutoCAD Electrical or equivalent

• Ability to work on-site at the Raleigh (Morrisville) or Detroit-area (Plymouth Township) office and travel to project sites 15–25% of the time

• Legally authorized to work in the United States without sponsorship

Preferred Qualifications

• Professional Engineer (PE) license in NC, MI, or ability to obtain reciprocity within 12 months

• Direct commissioning experience with grid-forming inverters, battery energy storage systems, or hybrid PV+BESS plants

• Familiarity with IEC 61850 (GOOSE / MMS / SV), SEL RTAC platforms, DNP3, and Modbus TCP

• Experience interfacing with utility interconnection processes under FERC 2222, IEEE

1547.1 conformance, or ISO/RTO market participation rules

Benefit at Delta Electronics Americas

Life at Delta

EEO Statement

Delta Electronics Americas is an Equal Opportunity Employer and is committed to compliance with all applicable federal, state, and local laws. Delta Electronics America is committed to fostering a diverse, inclusive, and respectful workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, age, marital status, national origin, disability, veteran status, or any other protected characteristic.

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