Principal 1D Modeling and Simulation Engineer

Make your mark at the world's largest HVAC company

Daikin Applied is seeking a Principal 1D Modeling and Simulation Engineer to lead the development and strategic integration of advanced steady-state system level modeling capabilities across multiple commercial HVAC platforms. This individual will serve as a subject matter expert and technical leader, advancing the use of 1D modeling techniques to drive innovation, improve product performance, and reduce development cycle time. The ideal candidate is a recognized authority in their domain with a demonstrated ability to lead cross-functional technical efforts, influence engineering strategy, and mentor others. Come be a part of an exciting journey at Daikin Applied, where innovation and excellence drive our every endeavor!

Location: Plymouth, MN - Hybrid

What you will do:

• Lead the development and implementation of 1D system models for various HVAC applications, including but not limited to fluid dynamics, heat transfer, thermodynamics, electrical, and mechanical systems
• Use advanced simulation tools and methods to analyze system behavior and performance of:
  • Generic vapor compression refrigeration systems
  • Different types of heat exchangers e.g. air-refrigeration fin/tube and microchannel
  • Water-source and air-source heat pumps
  • Chiller plants and centrifugal compressors in both steady-state and transient modes
  • Energy recovery systems: heat wheels, air-to-air heat exchangers
• Guide the creation of scalable, modular models that support design trade studies, control development, and optimization across multiple product families
• Develop calibration frameworks and validation strategies using physical test data; lead correlation efforts with the test lab
• Build and automate performance map tools and reduced-order models to support digital twins, virtual testing, and product development acceleration
• Drive continuous improvement of modeling methodologies and processes across the organization
• Collaborate with cross-functional engineering, test, controls, and product teams to define system requirements and ensure modeling accuracy and business relevance
• Serve as a technical mentor to other engineers and champion simulation best practices and model reuse
• Represent the MBE function in strategic initiatives, research collaborations, vendor engagements, and cross-BU technical reviews
• Contribute to setting modeling technology roadmaps and align simulation capabilities with business strategy
• Communicate technical insights to senior engineering leadership and advocate for model-based engineering adoption

What's in it for you:

• Medical/Dental/Vision coverage, PTO, 401K match, support for community involvement and much more
• The ability to make an impact and shape your career with a company that is passionate about growth
• The support of an organization that believes it is vital to include and engage diverse people, perspectives, and ideas to achieve our best

Minimum Qualifications:

• Bachelor's or Engineering, Physics, Applied Mathematics, or a related field
• 10+ years of proven experience in 1D modelling and simulation, with a strong understanding of relevant tools and techniques
• Strong understanding of thermodynamics and heat transfer fundamentals
• Experience with modeling and design of experiments (DOE)
• Familiarity with commercial HVAC equipment
• Proficiency in simulation software such as MATLAB/Simulink, Modelon Impact, GT-Suite, Dymola, VapCyc, CoilDesigner, Simscape, Amesim, or similar tools
• Solid analytical and problem-solving skills, with the ability to interpret complex data
• Strong communication skills, with the ability to present technical information clearly and effectively
• Work visa sponsorship is not available for this position

Preferred Qualifications:

• Master's degree or Ph.D. preferred
• Knowledge of programming languages (e.g., FORTRAN, Python, C++, Modelica, EES) for toolchain integration and process automation
• Experience with multi-disciplinary modeling, systems integration, and digital twin development
• Proven ability to drive innovation and process improvement through modeling and simulation
• Familiarity with model verification, validation (V&V), and uncertainty quantification (UQ) practices
• Background in project management or experience leading simulation efforts across multiple product platforms or business units

Benefits:

Daikin Applied offers the following benefits for this position, subject to applicable eligibility requirements:

• Multiple medical insurance plan options + dental and vision insurance
• 401K retirement plan with employer contributions matching 100% of the first 3% of employee contributions and 50% on the next 2% of employee contributions
• Company provided life insurance + optional employee-paid voluntary life insurance, dependent life coverage, and voluntary accident coverage
• Short-term and long-term disability
• 3 weeks of paid time off for new employees + 11 company-paid holidays
• Vacation accrues on a monthly basis, unless applicable federal, state, and local law requires a faster accrual
• Paid sick time in accordance with the federal, state, and local law
• Paid parental leave and tuition reimbursement after 6 months of continuous service

The typical annual base salary for this position ranges from $130,400-$219,100 + 25% bonus in Minnesota. The range displayed represents the pay range for all positions in the job grade which this position falls. Individual base pay will depend on a wide range of factors including your skills, qualifications, experience, and location.

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