Senior Staff Engineer, Thermal Simulation

Location: Daily onsite presence at the San Jose headquarters, United States, with 10–20% domestic and international travel.

Base pay range: $189,000–$301,000 USD annually, plus incentive opportunities.

Company

hirify.global develops technology solutions for smartphones, electric vehicles, hyperscale data centers, IoT devices, and other advanced applications.

What you will do

• Lead hands-on thermal modeling and analysis for semiconductor packages, advanced packaging, and electronic systems.
• Build and analyze detailed models in ANSYS Icepak and Siemens Flotherm, including setup, boundary conditions, solver execution, and post-processing.
• Influence architecture, design, material selection, and structural integrity for high-performance advanced packaging and related components.
• Analyze simulation and measurement results to improve product reliability and resolve packaging issues.
• Support customers throughout product development, from thermal architecture and feasibility studies through optimization and design recommendations.
• Develop simulation methodologies, engineering standards, innovative solutions, reports, presentations, and customer reviews.

Requirements

• PhD in Mechanical Engineering, Thermal/Fluids, or a related physical science is preferred, with 10+ years of industry experience.
• Experience with CFD tools including ANSYS Icepak, Flotherm, and CELSIUS.
• Strong foundation in heat transfer, fluid mechanics, thermal management, and electronics cooling.
• Understanding of IC chip and package architectures, thermal design constraints, and SiP thermal analysis.
• Ability to independently build models, perform analysis, troubleshoot results, and develop engineering recommendations.
• Strong communication and collaboration skills for cross-functional and cross-cultural work.

Culture & Benefits

• Inclusive workplace focused on innovation, diversity, humility, kindness, and dedication.
• Medical, dental, vision, and 401(k) benefits.
• 4+ weeks of paid time off annually, plus holidays and sick leave.
• Family support benefits, including fertility and adoption stipends, medical travel support, and virtual veterinary care.
• Emotional wellness resources, including confidential therapy sessions and on-demand wellness applications.
• Onsite café and gym, virtual fitness classes, charitable giving match, and a flexible work environment.