Electrical Design Engineer - Microgrids, Morrisville/Raleigh, NC

Delta-Electronics-; Morrisville (NC); On-site; USD 110,000 - 170,000; Full time

Job summary

Delta Electronics Americas is seeking an experienced Electrical Engineer to design and analyze electrical systems for BESS, microgrids, and PV installations. You will develop diagrams, protection schemes, and coordination studies, while coordinating with control teams and overseeing design through commissioning.

You will work on-site at Raleigh (Morrisville) or Detroit-area offices with 15–25% travel to project sites, and you must be legally authorized to work in the United States.

Qualifications

• B.S. in Electrical Engineering (Power Systems concentration preferred).
• 5+ years of electrical design experience in BESS, microgrid, utility-scale PV, industrial power, or substation engineering. Senior candidates: 8+ years.
• Knowledge of NEC/NFPA 70, NFPA 855 for energy storage, IEEE 1547-2018, IEEE 519, and IEEE C37 protection series.

Responsibilities

• Develop single-line diagrams, protection schemes, and load flow studies for BESS, PV, and genset microgrids.
• Size and specify medium- and low-voltage equipment and associated components.
• Coordinate protection settings with IEDs and validate grid compliance per IEEE/NFPA standards.
• Own the electrical scope across RFQ, design, FAT/SAT, and commissioning phases.
• Submit AHJ packages and manage RFIs, changes, and site punch lists.

Skills

Electrical design

Protection coordination

Single-line diagrams

Load-flow analysis

Cable schedules

NEC knowledge

Goose/MMS mapping

Education

B.S. Electrical Engineering (Power Systems)

M.S. is a plus

Tools

ETAP

SKM PowerTools

EasyPower

AutoCAD Electrical

IEC 61850"

Job description

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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