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Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable air mobility. We are designing, manufacturing, and operating an all-electric aircraft that can carry four passengers while producing minimal noise. We are seeking a Staff ECS Thermal and Flow Analysis Engineer to join our Thermal Management team. This hands-on role will primarily focus on the design, analysis, and optimization of the Environmental Control System (ECS) and the overall fuselage ensuring cabin comfort, avionics cooling, and safe operation across all flight conditions. You will work closely with the ECS team, system architects, and test engineers to develop system-level and component-level flow and thermal models that inform design decisions and support verification, validation, and certification activities.
Job Responsibility:
Perform detailed 1D and 3D flow and thermal analyses for ECS and other ventilation systems for the cabin, electronic bays and the rest of fuselage
Support ECS architecture definition including air distribution, heat exchanger sizing, and control strategies
Develop steady-state and transient thermal/fluid models using tools such as Ansys Fluent, Start CCM+, Matlab, and similar
Analyze pressure drops, mass flow distributions, and cabin air mixing under various flight and ground conditions
Evaluate heat loads from avionics, electronics, and cabin occupants to ensure temperature and humidity control targets are met
Evaluate solar loading on the structure and through transparencies
Correlate analytical models with test data from component and system-level validation campaigns
Collaborate with multidisciplinary teams (structures, avionics, powertrain, flight sciences) to ensure system integration and compliance with safety and environmental requirements (e.g., DO-160)
Contribute to the development of requirements, test plans, and verification documentation for certification
Requirements:
M.S. or Ph.D. in Mechanical or Aerospace Engineering (or related field)
5+ years of experience in thermal and flow analysis
Strong proficiency in thermal/fluid modeling tools (Thermal Desktop, SINDA/Fluint, Flownex, GT-Suite, or CFD codes)
Solid understanding of thermodynamics, fluid dynamics, and heat transfer
Experience with CFD tools such as ANSYS Fluent, Star-CCM+, or OpenFOAM for detailed flow assessments
Familiarity with DO-160 and environmental qualification standards for aircraft systems
Strong data analysis and scripting skills (Python or MATLAB preferred)
Excellent communication and documentation skills
Nice to have:
Experience with ECS and thermal management of aerospace systems
Hands-on experience with system integration or testing (ECS pack, vapor cycle system, ram-air systems)
Experience with certification and compliance documentation