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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