HIL Test Engineer - Microgrid Controls

Delta Electronics (Americas) Ltd.; Plymouth (MI); On-site; USD 110,000 - 160,000; Full time

Job summary

Delta Electronics Americas seeks an experienced test engineer to own the test strategy for the full microgrid control stack, from firmware to EMS. You will build and run HIL test benches on RTDS and OPAL-RT to automate regression and produce evidence for UL 1741-SB, IEEE 1547-2018, and site acceptance tests.

Responsibilities include designing HIL benches, defining test plans, building regression pipelines, and generating certification reports while supporting commissioning and field issues in a

Qualifications

• BS/MS in Electrical / Power / Control Systems Engineering, 4+ years in controls testing or HIL.
• Experience with RTDS and/or OPAL-RT, model build and I/O mapping.
• Strong Python scripting and one automation framework (pytest, robot, TestStand, LabVIEW).
• Working knowledge of Modbus TCP, IEC 61850 (GOOSE/MMS), DNP3.
• Familiar with UL 1741-SB, IEEE 1547-2018, and FAT/SAT processes.

Responsibilities

• Design and operate HIL test benches using RTDS to model power systems, PCS/BESS, and grid scenarios.
• Define test plans for islanding, blackstart, ride-through, protection coordination, and EMS dispatch.
• Build automated regression pipelines (Python / TestStand / pytest) with Azure DevOps CI/CD.
• Run integration tests across layers, validating timing, data contracts, alarms, and failover.
• Generate certification evidence and test reports for IEEE 1547-2018, UL 1741-SB, FAT/SAT.
• Support commissioning and field issues into regression cases.

Skills

Python scripting

HIL testing

RTDS

OPAL-RT

Automation frameworks

Education

BS in Electrical / Power / Control Systems Engineering

MS in Electrical / Power / Control Systems Engineering

Tools

RTDS

OPAL-RT

TestStand

LabVIEW

Modbus TCP

IEC 61850

DNP3

Job description

Delta Electronics Americas seeks an experienced test engineer to own the test strategy for the full microgrid control stack, from firmware to EMS. You will build and run HIL test benches on RTDS and OPAL-RT to automate regression and produce evidence for UL 1741-SB, IEEE 1547-2018, and site acceptance tests.

Responsibilities include designing HIL benches, defining test plans, building regression pipelines, and generating certification reports while supporting commissioning and field issues in a