Senior Development Engineer III - 1D Systems Modeling and Simulation

Job Duties

Join the world's largest HVAC company, named by Forbes as one of America's Best-In-State Employers 2025!

Senior Development Engineer III - 1D Systems Modeling and Simulation - Plymouth, MN - Hybrid

Daikin Applied is seeking a Senior Development Engineer III to develop, calibrate, and deploy both steady-state and dynamic 1D system models for commercial HVAC products, including chillers, air handlers, and applied terminal systems. As part of the central Model-Based Engineering (MBE) team, this role spans library development, tool development, and application for product design across both steady-state and dynamic simulation, supporting control strategy development, performance optimization, and model-in-the-loop (MiL) testing.

The position combines steady-state and dynamic library and ecosystem development with the application and support of modeling and simulation for product development. The ideal candidate brings strong programming skills, a solid understanding of HVAC thermodynamic systems, and a forward-thinking approach to simulation automation and AI/ML integration. Operating with growing technical independence, the role contributes to simulation best practices, supports cross-functional teams, and helps mentor junior engineers.

Come be a part of an exciting journey at Daikin Applied, where innovation and excellence drive our every endeavor!

Location:Hybrid - Plymouth, MN

Your Responsibilities:

Develop, calibrate, and validate both steady-state and physics-based dynamic models of HVAC systems, including compressors, heat exchangers, expansion devices, and control logic

Design and implement libraries and development frameworks for steady-state and dynamic system simulation with an emphasis on reusability, modularity, and integration

Build tools that automate model generation, parameterization, calibration, and results processing for thermodynamic system simulations

Interface Modelica models with Simulink, Python, and testing frameworks via FMI/FMU to support model-in-the-loop (MiL) workflows

Collaborate with global MBE teams and modeling practitioners to define simulation requirements and standardize toolsets, workflows, and modeling libraries across business units (Chillers, Air Handlers, Terminal Systems)

Support the new product development phase-gate process, helping ensure appropriate design maturity across milestones

Champion model standardization, documentation, traceability, and lifecycle governance practices

Develop test plans and support component, subsystem, and system testing to validate simulation models

Investigate and apply machine learning (ML) and artificial intelligence (AI) tools to accelerate calibration, surrogate modeling, controller tuning, or automation of complex modeling workflows

Provide guidance on best practices for simulation tool development, version control, and continuous integration, and help mentor junior engineers

Your Qualifications:

Bachelor's degree in Mechanical Engineering or a related technical field

6+ years of relevant experience (or equivalent: M.S. with 4+ years; Ph.D. with relevant modeling or tool development experience)

Strong understanding of thermodynamic cycle modeling, HVAC&R systems, heat transfer fundamentals, and both steady-state and dynamic system behavior

Proficiency in one or more technical computing languages such as Julia, Python, MATLAB, or R, with demonstrated experience developing tools, libraries, or simulation software

Experience with standard system simulation tools such as Dymola (preferred), GT Suite, Simscape, or Amesim, and familiarity with the FMI standard

Experience building and executing structured simulation workflows, including model integration with Simulink and FMI/FMU-based tools

Familiarity with steady-state modeling platforms such as VapCyc, CoilDesigner, EES, or equivalent tools

Experience designing model libraries, parameter databases, and calibration routines, and troubleshooting complex models

Effective communication and presentation skills, with the ability to convey technical concepts to both technical and non-technical audiences

Strong problem-solving and analytical skills, with the ability to estimate work tasks and support project planning activities

Demonstrated ability to work independently and collaboratively in a cross-functional, globally distributed environment

Your Preferred Qualifications:

Master's or Ph.D. in Mechanical Engineering or a related technical field

Working knowledge of Fortran, C, C++, Java, or C#

Experience with MiL and HiL simulation workflows

Experience with machine learning, data analytics, or AI-assisted modeling and automation

Familiarity with version control systems (e.g., Git) and software development best practices

Background in experimental data acquisition and validation of simulation models using test data

Exposure to API development, database interaction, or simulation-as-a-service frameworks

Familiarity with controls development and embedded system integration

Understanding of model reuse, simulation governance, and lifecycle management concepts

Experience working with or across international engineering teams.

Your 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 match

Paid time off and company paid holidays

Paid sick time in accordance with the federal, state and local law

Tuition Reimbursement after 6 months of continuous service

Work visa sponsorship is not available for this position

The typical annual base salary for this position ranges from$90,400 - $151,800 plus a 10% bonus in Minnesota. The range displayed represents the pay range for all positions in the job grade which these positions fall. Individual base pay will depend on a wide range of factors including your skills, qualifications, experience, and location.

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If you're looking for an engaging career with growth opportunities in a supportive environment, you'll love a career at Daikin Applied!

Equal Opportunity Employment: It is the policy of Daikin Applied to provide equal employment opportunity (EEO) to all persons regardless of race, creed, color, religion, gender, gender identification, sexual orientation, age, national origin, disability, protected veteran status, genetic information, marital status, membership or activity in a local commission, or any other characteristic protected by federal, state or local law.

Minimum Education Required

Bachelor Degree

Minimum Experience Required

6 - 20 years

Shift

First (Day)

Number of Openings

1

Public Transportation Accessible

Yes

Veterans Encouraged to Apply

No

Physical Required

Yes

Drug Test Required

Yes

Compensation

$11.41 / Hourly

Postal Code

55441

Job Type

Full Time

Place of Work

On-site

Requisition ID

R003845

Job Benefits

Not specified