Senior 1D Systems Modeling Engineer - Hybrid HVAC Innovator

Daikin Applied; Plymouth (MN); Hybrid; USD 90,000 - 152,000; Full time

Benefits offered by this job

Medical insurance

401K with employer match

Paid time off

Tuition Reimbursement

Job summary

Daikin Applied, the world’s largest HVAC company, seeks a Senior Development Engineer III for 1D systems modeling in Plymouth, MN. You will develop and calibrate steady-state and dynamic models for chillers, air handlers, and terminal systems, supporting MiL testing and AI-assisted optimization.

Ideal candidates bring strong HVAC thermodynamics knowledge, advanced programming skills, and experience with libraries, frameworks, and tool development.

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 Julia, Python, MATLAB, or R with demonstrated experience developing tools or simulation software.
• Experience with Dymola (preferred), GT Suite, Simscape, or Amesim and familiarity with FMI standard.

Responsibilities

• Develop, calibrate, and validate steady-state and dynamic models of HVAC systems.
• Design and implement libraries and development frameworks for system simulation with emphasis on reusability and modularity.
• Build tools to automate model generation, parameterization, calibration, and results processing.
• Interface Modelica models with Simulink, Python, and testing frameworks via FMI/FMU to support MiL workflows.
• Collaborate with global MBE teams to standardize toolsets, workflows, and modeling libraries across business units.
• Support product development phase-gate processes and ensure design maturity across milestones.
• Champion model standardization, documentation, traceability, and lifecycle governance.

Skills

HVAC systems

Thermodynamics

Modeling & simulation

Python

Julia

MATLAB

Dymola

FMI/FMU

MiL/HiL

Team collaboration

Education

Bachelor's in Mechanical Eng

MS or PhD preferred

Tools

Dymola

GT Suite

Simscape

Amesim

VapCyc

CoilDesigner

EES

Git

Job description

Daikin Applied, the world’s largest HVAC company, seeks a Senior Development Engineer III for 1D systems modeling in Plymouth, MN. You will develop and calibrate steady-state and dynamic models for chillers, air handlers, and terminal systems, supporting MiL testing and AI-assisted optimization.

Ideal candidates bring strong HVAC thermodynamics knowledge, advanced programming skills, and experience with libraries, frameworks, and tool development.