Role overview

Qualifications

8+ years of total electrical engineering experience
3 to 5 years of direct experience dedicated to Battery Energy Storage Systems (BESS)
Bachelor’s or Master’s degree in Electrical Engineering
Strong hands-on experience performing power system modeling and engineering studies using ETAP and SKM

Responsibilities

Develop and review comprehensive engineering packages, including Single-Line Diagrams (SLDs) and overall electrical layouts
Specify and integrate critical equipment such as Power Conversion Systems (PCS) and transformers
Perform and validate essential electrical engineering calculations and cable schedules
Lead the integration of Balance-of-Plant (BOP) systems, collaborating across engineering disciplines

Key facts

Remote from: United States
Full time
Senior (5-10 years)
Telecommunications Engineer
English

Hard skills

Battery Technology Power System Simulator For Engineering Engineering Research One-Line Diagram Electrical Plans Examination Cable Routing Power Electronics Distribution Transformer Engineering Calculations

Other skills

Communication
Teamwork

About the company

IS International Services, LLC

IS International Services, LLC (IS) is a controls system integrator, providing solutions and services globally. On the engineering front we provide control system hardware, software design, along with I&C and electrical design services on a T&M or fixed price structure. We specialize in PLC programming with expertise in over 15 different PLC platforms. Our process experience ranges from power generation, power transmission, factory automation, to oil and gas process automation. Our low overhead structure allows us to deliver top notch engineering at very competitive price points.In addition to project engineering execution we can provide personnel via statement of work, with a focus specialization on high-end engineers. Our model is different from other companies in that our account managers and executive management are all engineers. We have PMP certified project managers as well to support your business. This unique structure allows us to augment your business with our engineering personnel without your company having to increase full-time headcount.

Company details

Company size51 - 200

Links

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Job description

Job Summary

IS International Services is seeking a Senior BESS Electrical Engineer to drive the engineering and technical review of utility-scale battery storage projects. In this fully remote senior position, you will own the electrical design process from concept through execution. You will mentor project teams, ensure seamless integration of low-voltage and medium-voltage components, evaluate balance-of-plant systems, and interface with cross-functional teams to deliver high-performing renewable energy assets.

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.

Requirements

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.