Thermal Engineer; Mechanical; TS

Thermal Engineer (Mechanical) - TS required

$140000 - $200000 per year | Pasadena, CA | On-site | Permanent

Our client is a leading engineering and technical services organization supporting complex aerospace, defense, and government research programs. Their teams work on highly specialized engineering challenges involving advanced electronic hardware, mission-critical systems, and demanding environmental requirements.

This is an opportunity to join a collaborative technical environment where experienced engineers work directly with multidisciplinary project teams on sophisticated hardware and systems supporting high-profile government programs.

The organization offers competitive compensation, comprehensive benefits, professional development opportunities, and flexible work schedules when available.

• Be part of a highly visible, long-term program supporting cutting-edge space exploration and advanced aerospace technologies.
• Work alongside world-class engineers and technical leaders on mission-critical projects.
• Competitive salary of $160,000-$175,000, depending on experience.
• Comprehensive benefits package including medical, dental, vision, 401(k), paid time off, life insurance, disability coverage, and professional development opportunities.
• Stable, long-term career opportunity with meaningful technical challenges and room for continued growth.
• Collaborative environment that values technical excellence, innovation, and mission success.

We are seeking an experienced Mechanical Thermal Engineer to support advanced aerospace and government projects in Pasadena, CA. This role will focus on thermal and structural analysis of electronic hardware, systems, and subsystems, including enclosures and related mechanical components.

The ideal candidate will bring significant experience in thermal/structural analysis and testing, electronics packaging, and working within highly regulated engineering environments.

• Perform thermal and structural analyses of electronic hardware designs and systems/subsystems.
• Determine component temperatures across a variety of operating and environmental conditions.
• Assess random vibration and fatigue life of electronic hardware.
• Review thermal and structural analyses submitted by subcontractors.
• Support environmental qualification and testing programs.
• Participate in program and project design reviews.
• Collaborate extensively with engineers, project managers, customers, and other technical disciplines.
• Prepare and communicate technical findings, analysis results, and recommendations.
• Support quality, verification, and documentation activities as needed.
• Perform other engineering duties as assigned.

• U.S. Citizenship or Permanent Resident status required due to the sensitivity of customer-related information.
• Active TS clearance required.
• Bachelor's degree in Mechanical Engineering, Aerospace/Aeronautical Engineering, Physics, or a closely related discipline.

15+ years of recent, relevant engineering experience.

• Extensive experience performing thermal and structural analysis and testing of electronic hardware.
• Strong knowledge of thermal and structural design principles, analysis methodologies, and testing.
• Experience with engineering analysis/design tools such as ANSYS, COSMOS, Thermal Synthesizer System (TSS), Thermal Analyzer System (TAS), Solid Works, or comparable software.
• Strong background in electronics packaging, mechanical engineering, or engineering/manufacturing environments.
• Ability to analyze complex engineering problems and communicate technical conclusions clearly.
• Strong written and verbal communication skills.
• Ability to…