Electrical Design Engineer

Delta Electronics Americas; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Delta Electronics Americas is seeking an experienced Electrical Design Engineer to lead the electrical design for BESS, microgrid and utility-scale projects from the Raleigh (Morrisville) or Detroit-area offices. You will develop single-line diagrams, coordinate with control teams, and support project execution through FAT/SAT and commissioning.

Responsibilities include sizing MV up to 35 kV and LV equipment, performing grounding, protection, and harmonic analyses, and preparing specifications

Qualifications

• B.S. in Electrical Engineering; MS a plus.
• 5+ years electrical design in BESS/microgrid/utility PV/industrial power/substation; 8+ for senior.
• Knowledge of NEC/NFPA 855, IEEE 1547-2018, IEEE 519, and IEEE C37 series.
• Hands-on load-flow, short-circuit, arc-flash with ETAP/SKM/EasyPower/Auto Electric.
• Ability to read/produce single-line diagrams and schematics; AutoCAD Electrical.
• On-site work at Raleigh (Morrisville) or Detroit-area; 15–25% travel.
• Legally authorized to work in the United States without sponsorship.

Responsibilities

• Develop L1/L2 diagrams and studies for BESS + PV + genset microgrids 500 kW–200 MW.
• Size and specify MV up to 35 kV and LV equipment.
• Perform grounding, cable sizing, voltage-drop, and harmonic analyses; stamp packages where required.
• Prepare equipment specifications, tech bid evaluations, and RFQ packages for utility-grade BOS.
• Serve as electrical engineer of record across RFQ to commissioning; coordinate with utility interconnection engineers.
• Own AHJ / submittal packages (NEC, NFPA 855 for BESS, NFPA 70E); coordinate stamped drawings with PE.
• Track electrical scope on cost, schedule, quality; resolve RFIs, change orders, punch lists.

Skills

Power systems design

Protection coordination

On-site collaboration

Reading single-line diagrams

Education

B.S. in Electrical Engineering (Power Systems concentration preferred)

Tools

ETAP

SKM PowerTools

EasyPower

Auto Electric

AutoCAD Electrical

Job description

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.

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.

Required 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 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.

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.