Control Testing Engineer

Job Description

Who we are :

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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.

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Role Summary

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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.

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Key Responsibilities

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• 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.

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• Build automated regression: Python / TestStand / pytest pipelines integrated with Azure DevOps CI/CD; publish coverage and pass/fail dashboards.

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• Run integration tests across different layers validate timing, data contracts, alarm propagation, and failover behavior.

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• Generate certification evidence and test reports for IEEE 1547-2018, UL 1741-SB, and customer specific factory and site acceptance tests (FAT/SAT).

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• Support commissioning and field issues into regression cases.

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Required Qualifications

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• BS/MS in Electrical / Power / Control Systems Engineering; 4+ years (Senior: 7+) in controls testing, HIL, or commissioning.

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• Hands-on with RTDS and/or OPAL-RT, including model build, I/O mapping, and amplifier interfaces (PHIL is a plus).

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• Strong Python scripting; experience with one automation framework (pytest, robot, TestStand, LabVIEW).

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• Working knowledge of Modbus TCP, IEC 61850 (GOOSE/MMS), DNP3 — and how to inject/simulate them in test.

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• Familiarity with UL 1741-SB, IEEE 1547-2018, and FAT/SAT processes for energy storage and microgrids. Preferred • Cybersecurity test exposure (fuzzing protocols, IEC 62443 verification).

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• Field commissioning experience on BESS / microgrid / utility-scale projects.