Lead Thermal Engineer

Sceye is seeking a Lead Thermal Engineer with proven, hands-on experience supporting the design, analysis, and validation of thermal systems for high-altitude aerospace platforms. This role is responsible for ensuring reliable thermal performance of avionics, structures, propulsion-adjacent systems, and payloads operating in extreme stratospheric environments.

Requirements

• Design, analyze, and optimize active and passive thermal control systems for high-altitude aerospace platforms
• Perform steady-state and transient thermal analyses using analytical and numerical methods
• Develop, validate, and maintain thermal models predicting system behavior across stratospheric and mission-specific operating conditions
• Support selection, qualification, and trade studies for materials, insulation, coatings, radiators, and thermal interfaces
• Define thermal requirements, margins, and operating limits for avionics, batteries, payloads, and structural components
• Support environmental testing, including thermal vacuum, altitude simulation, and temperature cycling tests
• Analyze test data, correlate results with thermal models, and drive design updates as needed
• Collaborate with mechanical, electrical, systems, and manufacturing teams to resolve real-world thermal challenges
• Document designs, analyses, test results, and compliance with applicable engineering standards
• Support design reviews, risk assessments, and continuous improvement initiatives

Benefits

• Chef-Prepared Lunches
• Snacks & Refreshments
• Wellness Perks
• Dog-Friendly Environment
• Comprehensive Health Coverage
• 401(k) with Match
• High-Performance Culture