ON.energy

ON.energy

Senior Project Engineer - BESS

Houston, Texas, United States; Tysons · Senior

Sponsorship not specifiedDetected 24 days ago
NLPProcurementAutoCADMechanical DesignElectrical EngineeringCommunicationProblem SolvingMicrosoft Office

About the role

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

Responsibilities

  • 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.
  • Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems
  • Develop Short circuit, load flow, and arc flash studies using software such as ETAP.
  • Conduct site walks and support field activities during installation and commissioning.

Requirements

  • Bachelor's degree in Electrical Engineering, Mechanical Engineering, or other engineering discipline.
  • 5+ 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.
  • Ability to read and understand project owner specifications and engineering drawings
  • Ability to problem solve issues and have an "outside the box" mentality
  • Strong attention to detail, with the ability to recognize discrepancies

Nice to have

  • Familiarity with commissioning protocols and QA/QC procedures for electrical systems.
  • PE or EIT certification is a plus.
  • For US-based roles - What you'll get:
  • 401(k) with company match
  • For Mexico-based roles - What you'll get:
  • Professional development and growth opportunities
  • Opportunity to grow with a mission-driven team shaping the future of clean energy
  • Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.

Compensation

  • Competitive salary + annual performance-based bonus eligibility

Benefits

  • Competitive salary + annual performance-based bonus eligibility
  • Medical, dental, and vision insurance
  • Paid time off and company holidays
  • Competitive salary + annual performance bonus eligibility
  • Major medical expenses and life insurance
  • Paid time off and holidays (per local policy)
  • Benefits vary by role and location and are subject to change.

Company info

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

Equal opportunity

  • ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
  • Accommodations: If you need an accommodation during the application process, email recruitment@onenergystorage.com

This listing is sourced directly from ON.energy's careers page and normalized into a canonical job model.