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About the Role

Drive the structural and mechanical design of containerized and enclosure-based Battery Energy Storage Systems (BESS), including ISO/intermodal-style containers and outdoor cabinets, for MW/MWh-scale utility installations serving data centers. This role requires hands-on expertise in large outdoor enclosure and container structural design, internal equipment integration, environmental sealing, and BESS safety compliance. You will collaborate with cross-functional teams to ensure the platform meets performance, reliability, manufacturability, serviceability, transportability, compliance, and cost targets, delivering production-ready designs from concept through deployment.

Responsibilities

Own the structural and mechanical design of containerized and enclosure-based BESS platforms, from concept through production and field deployment.
Design the container/enclosure structure for transport, lifting, and handling, meeting shock, vibration, and road/sea transport requirements.
Design internal equipment layout and integration for manufacturability, installation, serviceability, and maintenance access.
Integrate cooling/HVAC, ventilation, and fire-suppression and deflagration-venting systems into the enclosure.
Design sheet metal, weldment, extrusion, and molded components with appropriate material selection, sealing, gasketing, and corrosion protection for outdoor environments.
Ensure weatherproofing and ingress protection while maintaining required airflow, venting, and serviceability.
Perform structural, modal/vibration, seismic, and thermal FEM/FEA on the enclosure and mounting systems.
Develop foundation, anchoring, and seismic mounting interfaces.
Apply GD&T and tolerance stack-up analysis, and deliver complete manufacturing drawing packages.
Manage BOM and CAD data within PLM/PDM tools and drive engineering change releases.
Drive DFMEA, DFM/DFA, root-cause analysis, and corrective actions.
Prepare and execute structural and environmental validation test plans.
Support supplier selection and design reviews, including travel to vendor and factory sites.
Design to and support certification against applicable standards.
Provide technical guidance and mentor junior engineers.

Requirements

Bachelor's degree in Mechanical Engineering with 8+ years of relevant industry experience, or a Master's degree (Mechanical Engineering, Product Design, or a related discipline) with 6+ years of relevant industry experience.
Strong experience designing large outdoor enclosures or containerized systems from concept to mass production, preferably for BESS or comparable electro-mechanical products.
Strong fundamentals in engineering mechanics, strength of materials, and structural and seismic design.
Proficiency in FEM/FEA and CAE tools for structural, modal/vibration, seismic, and thermal analysis.
Strong skills in sheet metal, weldment, extrusion, and molded-component design, including material selection, sealing, and corrosion protection.
Proficiency with 3D CAD (SolidWorks or equivalent) and PLM/PDM tools (e.g., Arena or Agile) for BOM and CAD data and ECO/ECR management.
Strong GD&T, tolerance stack-up, and manufacturing-drawing skills.
Working knowledge of design for manufacture and assembly (DFM/DFA), DFMEA, and root-cause analysis for field failures.
Working knowledge of standards such as UL 9540/9540A, NFPA 855/68/69, IEC, NEMA, ISO intermodal container, and seismic/building codes, as well as country-specific standards.
Clear written and verbal communication, including strong presentation skills.

Skills

ISO/intermodal container design
Twistlock and corner-casting lifting
Road/sea transport engineering
Integrating thermal/HVAC systems
Integrating fire-suppression systems
Integrating deflagration-venting systems
Cooling-component specifications (ducts, fans, HVAC units)
Design and sustaining activities on high-volume or high-value production
Rapid prototyping with 3D printing or high-temperature resin materials

Location

Austin, Texas

Work Type

On-site

Experience Level

8+ years of relevant industry experience (Bachelor's)
6+ years of relevant industry experience (Master's)

Education Level

Bachelor's degree in Mechanical Engineering
Master's degree in Mechanical Engineering, Product Design, or a related discipline

Salary/Compensations

$100,000 to $151,000 per year

Benefits

Bonus
Equity
Benefits

About the Company

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products.
Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source.
Today, the Enphase Energy System enables users to make, use, save, and sell their own power.
Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.
Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!