Microgrid Power Systems Engineer — Validation & Grid Code

Delta Electronics (Americas) Ltd.

Morrisville (NC)

On-site

USD 90,000 - 120,000

Full time

14 days+

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Job summary

Delta Electronics Americas is seeking an experienced Power Systems Engineer to lead end-to-end studies for utility-grade and microgrid projects. You will perform RMS/EMT analyses, assess protection schemes, RAM modeling, and SIL/HIL validation, coordinating with control and commissioning teams to ensure robust, compliant interconnection with utilities.

The role requires 3–7+ years in power systems, hands-on experience with PSCAD/PSS/E/DIgSILENT, ETAP or CYME, and strong English communication.

Qualifications

Bachelor’s or Master’s degree in Electrical Engineering, Power Systems, Systems Engineering, or related field.
3–7+ years of experience in power system studies, protection engineering, validation, and/or reliability modeling (level commensurate with experience).
Hands-on experience with at least two of: PSCAD, PSS®E, DIgSILENT PowerFactory (RMS/EMT modeling and study execution).
Experience with protection study tools such as ETAP and/or CYME; understanding of protection coordination methods.
Familiarity with inverter-based resources, microgrid control interactions, and utility interconnection requirements.
Experience with HIL/real-time simulation (e.g., RTDS) or equivalent closed-loop validation methods.
Strong analytical, documentation, and cross-functional collaboration skills.
Professional working proficiency in English; additional languages are a plus.
Ability to travel up to ~15%, including international travel as needed.

Responsibilities

Perform RMS and EMT-level studies using PSCAD, PSS®E, and/or DIgSILENT PowerFactory (load flow, short-circuit, transient stability, frequency response, voltage performance).
Evaluate inverter-dominated dynamics including weak-grid operation, SCR sensitivity, control interactions, and fault recovery behavior.
Assess islanding, black-start, resynchronization, and large load-step response for microgrid operational readiness.
Develop/validate detailed models for PCS, BESS, plant controllers, and microgrid controls; manage model assumptions and versioning.
Ensure compliance with IEEE 1547 and utility/region-specific interconnection requirements; respond to technical clarifications from utilities and EPCs.
Prepare formal study packages and compliance reports; present results and mitigations to customers, utilities, and internal design reviews.
Perform symmetrical and asymmetrical fault studies for grid-connected and islanded conditions.
Execute protection coordination studies and validate relay settings, zones, and clearing times (e.g., ETAP, CYME, MATLAB).
Assess inverter fault current contribution, relay sensitivity, and protection performance in inverter-based resource environments.
Support adaptive and inverter-based protection scheme evaluations; ensure protection–control coordination with control/firmware teams.
Document coordination curves, assumptions, study conclusions, and recommended mitigation measures.
Support FAT, SAT, commissioning, and utility witness testing for protection and interconnection performance.
Develop RAM models and perform reliability analyses to support architecture trade-offs and SLA commitments.
Run Monte Carlo simulations and sensitivity analyses to quantify availability drivers and optimize redundancy vs. cost.
Provide inputs for architecture decisions and SLA/availability justification.
Document modeling data sources, results, and actionable recommendations for design and operations.
Develop SIL and HIL test environments and execute closed-loop validation with RTDS or equivalent.