Senior BESS Electrical Engineer

IS International Services, LLC

Senior BESS Electrical Engineer developing electrical designs for utility-scale battery projects while mentoring project teams in a remote environment.

Posted 7/17/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in utility-scale electrical engineering design, including the development of comprehensive engineering packages and integration of critical equipment. Proficient in performing essential calculations and ensuring compliance with industry standards.

Highest-signal resume keywords

Utility-Scale DesignComponent IntegrationTechnical CalculationsMultidisciplinary CoordinationStandards Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Electrical EngineeringSingle-Line Diagrams (SLDs)Power Conversion Systems (PCS)Medium-Voltage (MV) TransformersLow-Voltage (LV) TransformersSwitchgearCable SchedulesSizing AssessmentsBalance-of-Plant (BOP) SystemsUtility Interconnection Requirements

Soft Skills

CollaborationLeadership

Industry Keywords

NECNFPAIEEEULIEC

About the role

Key responsibilities & impact

Develop and review comprehensive engineering packages
Specify and integrate critical equipment
Perform and validate essential electrical engineering calculations
Lead the integration of Balance-of-Plant (BOP) systems
Ensure all designs align with utility interconnection requirements

Requirements

What you’ll need

**Key Responsibilities**
- **Utility-Scale Design:** Develop and review comprehensive engineering packages, including Single-Line Diagrams (SLDs), overall electrical layouts, grounding designs, and cable routing maps.
- **Component Integration:** Specify and integrate critical equipment such as Power Conversion Systems (PCS), battery enclosures, medium-voltage (MV) / low-voltage (LV) transformers, and switchgear.
- **Technical Calculations:** Perform and validate essential electrical engineering calculations, cable schedules, and sizing assessments for utility-scale systems.
- **Multidisciplinary Coordination:** Lead the integration of Balance-of-Plant (BOP) systems, collaborating across engineering disciplines to maintain technical accuracy and project alignment.
- **Standards Compliance:** Ensure all designs align with utility interconnection requirements and adhere strictly to NEC, NFPA, IEEE, UL, and IEC standards.

Benefits

Comp & perks

**Qualifications & Requirements**
- **Core Experience:** 8+ years of total electrical engineering experience.
- **BESS Expertise:** At least 3 to 5 years of direct experience dedicated to Battery Energy Storage Systems (BESS).
- **Software Proficiency:** Strong hands-on experience performing power system modeling and engineering studies using **ETAP** and **SKM**.
- **Education:** Bachelor’s or Master’s degree in Electrical Engineering.
- **Integrator Background:** Previous professional experience working directly with utility-scale BESS integrators is highly desirable.
- **Licensure:** A Professional Engineer (PE) license is preferred but not required for this position.
- **Compliance Knowledge:** Deep, operational understanding of industry codes (NEC, NFPA, IEEE, UL, IEC) and the utility grid interconnection process.
- **Professional Skills:** Excellent communication skills with a proven ability to thrive in a fast-paced, remote, cross-functional team environment.