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Senior Mechanical Engineer – Thermal & Cooling System


15 days ago
Not Specified

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Fluence deploys lithium-ion batteries in utility scale projects, typically inside metal enclosures.

The selected candidate will play a critical role in helping Fluence deliver the next generation of energy storage products for grid utility applications. Candidate will be primarily engaging in the ongoing development of Fluence’s energy storage products, focusing on setting up and executing Thermal and Cooling System design and calculations that will guide product design and safety decisions.

The ideal candidate will have a solid fundamental understanding of steady-state and transient thermal analysis techniques with experience in thermal management design for battery energy storage enclosures or converters for Grid/EV application, with a strong proficiency in liquid cooling system equipment selection and supplier qualifications.

Experience with cooling systems design, both air cooling and liquid cooling and familiarity with 3D CFD simulation using ANSYS, 1D thermal simulation using MATLAB, NFPA codes such as NFPA 68 and 69 are beneficial.

Required qualifications:

  • Bachelor’s degree in Mechanical Engineering with 5+ years of experience in fluid and thermal sciences
  • or Master’s degree with specialization in thermal and fluid sciences or equivalent and have 3+ years of experience in BESS enclosure design and engineering.
  • Strong technical knowledge in 1D analytical calculationwith emphasis on cooling system design using engineering fundamentals and cutting-edge tools such as ANSYS & MATLAB.
  • Experience in determining sizing and placement of cooling ducts, Heat Exchangers, fans, and HVAC units by simulating both internal and external flows against heat sources and electrical components.
  • Create component specification and standardize the best design practices. Also closely work with component suppliers/manufacturers to validate design and test requirements.
  • Thermal management design of Battery Energy Storage System (BESS)/ Electronic enclosures.
  • Experience implementing heat transfer analysis through conjugate heat transfer (CHT) simulations.
  • Excellent English verbal and writing skills and works with minimal supervision while being a collaborative team player. Possesses sound business judgment.
  • Other qualifications:
  • Ability to automate Numerical Simulation workflow using either Ansys Workbench or custom post and preprocessing scripts.
  • Ability to handle transient gas-flow simulations with species transport by performing non-reactive and reactive (combustion) CFD simulations. Understanding the stoichiometry of fuel-air mixtures, flame speed, and flammability limits.
  • Previous experience in executing CFD simulations in HPC (high-performance computing) environment, either on-prem or cloud-based solutions.
  • Know-how of end-to-end design and development of new component. Hands on with Creo, BOM, Quality control, supplier qualification & design reviews.
  • What will our ideal candidate bring to Fluence?

  • Bring speed and competency that shall help fluence deliver the best products.
  • Building critical relationships and leveraging expertise and capabilities from inside and
  • outside the organization to deliver results and create value.
  • Convert the requirement to technical problem statement and provide the best solution.
  • Propose design solutions that will improve the cooling and safety of the product.
  • Work with Suppliers along with Sourcing & Quality to ensure components design can be commercialized for production to meet our business objectives.
  • Collaborate with other teams, including CAD, FEA, Electrical Engineering, Data Science, Project Engineering, and Sales on ensuring successful deployments of Fluence products in large-scale energy storage projects.
  • Provide technical consultation to other departments and colleagues.
  • Demonstrate Fluence values.
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