IS International Services, LLC

Project Engineer

Houston, TX

full_time

About This Job

The Project Engineer will support the planning, execution, and delivery of BESS projects serving hyperscale and enterprise data center clients. This role involves detailed technical coordination, design reviews, customer and contractor collaboration, and active support during construction and commissioning phases. The ideal candidate will have strong experience with BESS systems and a solid background in project engineering or electrical systems integration.

Key Responsibilities

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Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.

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Manage the technical scope of projects and serve as the technical point of contract to the project manager.

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Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.

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Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.

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Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.

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Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems

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Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisitions and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required

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Develop Short circuit, load flow, and arc flash studies using software such as ETAP.

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Assist in developing project schedules, procurement plans, and technical documentation.

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Conduct site walks and support field activities during installation and commissioning.

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Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.

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Identify technical risks and propose mitigation strategies in coordination with Project Management.

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Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and the company’s internal standards.

Qualifications

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Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or a related field.

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3+ years of experience in project engineering, preferably within the BESS, electrical infrastructure, or data center sectors.

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Familiarity with energy storage systems (CATL, Sungro, Tesla, etc.) and high-voltage infrastructure.

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Strong understanding of electrical schematics, single-line diagrams, and equipment layouts.

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Strong understanding of the electrical system design, system studies, relay coordination, and protection & control.

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Proficiency in Microsoft Office, AutoCAD, power system study programs (Ex. ETAP, SKM).

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Basic understanding of Civil, Mechanical, and Structural work.

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Ability to read and understand project owner specifications and engineering drawings

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Ability to manage subcontractors and drive schedule of Engineering activities

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Ability to manage multiple projects concurrently

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Ability to problem solve issues and have an “outside the box” mentality

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Strong attention to detail, with the ability to recognize discrepancies

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Able to produce clear and concise documentation

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Strong work ethic

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Excellent interpersonal skills with the ability to work with clients and staff in a team.

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Excellent communication, problem-solving, and cross-functional coordination skills.

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Ability to travel to project sites across the U.S. as needed (up to 30%).

Preferred Qualifications

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Experience working on EPC or design-build projects in the energy or critical infrastructure sector in North America.

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Familiarity with commissioning protocols and QA/QC procedures for electrical systems.

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PE or EIT certification is a plus.

Project Engineer

About This Job

Key Responsibilities

Qualifications

Preferred Qualifications

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