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Control Testing Engineer - Morrisville/Raleigh, NC Delta Electronics (Americas) Ltd. - 2.4 Morrisville, NC Job Details Full-time 17 hours ago Qualifications Electrical compliance testing Underwriters Laboratories (UL) standards Electrical engineering Modbus Energy storage systems Python Electrical systems commissioning

Full Job Description Who We Are:

Delta, founded in 1971, is a global provider of power and thermal management solutions. Its mission statement, "To provide innovative, clean and energy-efficient solutions for a better tomorrow," focuses on addressing key environmental issues such as global climate change. As an energy-saving solutions provider with core competencies in power electronics and automation, Delta's business categories include Power Electronics, Mobility, Automation, and Infrastructure. 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. Role Summary You will own the test strategy for the full microgrid control stack — from

PCS/BESS

firmware and Unit Controller through RT, SCADA, and EMS. You will build and run HIL test benches on RTDS automate regression, and produce the evidence needed for

UL 1741-SB, IEEE

1547-2018, and customer/utility acceptance.

Key Responsibilities:

Design and operate HIL test benches using RTDS — model power systems, PCS/BESS, and grid scenarios Define test plans for islanding, blackstart, ride-through (LVRT/HVRT/FRT), protection coordination, mode transitions, and EMS dispatch Build automated regression: Python / TestStand / pytest pipelines integrated with Azure DevOps CI/CD; publish coverage and pass/fail dashboards Run integration tests across different layers validate timing, data contracts, alarm propagation, and failover behavior Generate certification evidence and test reports for

IEEE 1547-2018, UL

1741-SB, and customer specific factory and site acceptance tests (FAT/SAT) Support commissioning and field issues into regression cases

Minimum Qualifications:

BS/MS in Electrical / Power / Control Systems Engineering; 4+ years (

Senior:

7+) in controls testing, HIL, or commissioning Hands-on with RTDS and/or OPAL-RT, including model build, I/O mapping, and amplifier interfaces (PHIL is a plus) Strong Python scripting; experience with one automation framework (pytest, robot, TestStand, LabVIEW) Working knowledge of Modbus

TCP, IEC 61850

(GOOSE/MMS), DNP3 — and how to inject/simulate them in test Familiarity with

UL 1741-SB, IEEE

1547-2018, and FAT/SAT processes for energy storage and microgrids

Preferred Qualifications:

Cybersecurity test exposure (fuzzing protocols, IEC 62443 verification) Field commissioning experience on BESS / microgrid / utility-scale projects 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. #LI-DM