Project Engineer - BESS
Listed on 2026-08-20
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Engineering
Electrical Engineering
ON.energyis building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software,ON.energy develops
projects worldwide that set new benchmarks for resilience.
Location:
Remote considered / Hybrid in Houston, TX or Tysons, VA preferred
Travel: 20-30% travel to project sites in the US
ON.energyis building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software,ON.energy develops
projects worldwide that set new benchmarks for resilience.
Location:
Remote considered / Hybrid in Houston, TX or Tysons, VA preferred
Travel: 20-30% travel to project sites in the US
Overview- Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.
- Manage the technical scope of projects and serve as the technical point of contract to the project manager.
- Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.
- Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.
- Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.
- Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems
- Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisition s and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required
- Develop Short circuit, load flow, and arc flash studies using software such as ETAP.
- Assist in developing project schedules, procurement plans, and technical documentation.
- Conduct site walks and support field activities during installation and commissioning.
- Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.
- Identify technical risks and propose mitigation strategies in coordination with Project Management.
- Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and On Energy Storage’s internal standards.
- Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or other engineering discipline.
- 3+ years of experience in project engineering, preferably within the BESS, electrical infrastructure, or data center sectors.
- Familiarity with energy storage systems (CATL, Sungrow, Tesla, etc.) and high-voltage infrastructure.
- Strong understanding of electrical schematics, single-line diagrams, and equipment layouts.
- Strong understanding of the electrical system design, system studies, relay coordination, and protection & control.
- Proficiency in Microsoft Office, AutoCAD, power system study programs (Ex. ETAP, SKM).
- Basic understanding of Civil, Mechanical, and Structural work.
- Ability to read and understand project owner specifications and engineering drawings
- Ability to manage subcontractors and drive schedule of Engineering activities
- Ability to manage multiple projects concurrently
- Ability to problem solve issues and have an “outside the box” mentality
- Strong attention to detail, with the ability to recognize discrepancies
- Able to produce clear and concise documentation
- Strong work ethic
- Excellent interpersonal skills with the ability to work with clients and staff in a team.
- Excellent communication, problem-solving, and cross-functional…
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