Senior Thermal Engineer

Responsibilities

• Possess a solid understanding of heat‑transfer and thermal analysis & testing fundamentals.
• Create Flotherm thermal models based on the Design Engineer’s SolidWorks assemblies.
• Determine the appropriate level of detail required for achieving accurate thermal simulation results.
• Perform Flotherm thermal simulations to identify assembly hot‑spot locations and internal component thermal margins.
• Analyze thermal gradients and determine reliability margins within detailed SMT semiconductor and optical packages.
• Conduct lab testing with prototype and production hardware to verify and support thermal simulation results.
• Export Flotherm models for customer use and address customer questions related to thermal performance and design.
• Review production data for temperature reporting accuracy and determine calibration factors needed to maintain accurate reporting.
• Analyze and propose cutting‑edge heat‑dissipation materials and methods (e.g., thermal interface materials, heat‑pipes, vapor chambers).
• Generate clear and concise reports summarizing thermal simulations and test results.
• Perform 3D modeling of parts, assemblies, and drawings using SolidWorks (preferred).
• Interface with Electrical Engineers to collaborate on printed circuit board layout.
• Attend weekly meetings and design reviews as required.
• Provide feedback, alternate ideas, and suggestions to improve product quality and overall company productivity.

Requirements

• B.S. degree (minimum) in Mechanical Engineering or a related Engineering/Science field.
• Minimum 5 years of experience in thermal design, analysis, or a related discipline.
• Highly motivated self‑starter with strong communication skills; able to excel in a fast‑paced, high‑tech environment.
• Proficiency with Siemens Flotherm (XT and/or standard) for thermal analysis, including hand calculations and computer simulation.
• Proficiency with Microsoft Office.
• Experience with 3D solid modeling in SolidWorks (preferred).
• Hands‑on experience assembling and disassembling mechanical assemblies.
• Solid understanding of safe use of basic hand tools and machine‑shop equipment.
• Ability to work both independently and as part of a team.

Working Conditions

This role is based on‑site in Horsham, PA and may require occasional off‑site meetings or travel. Regular use of a computer and other office equipment is necessary. Interaction with team members and external contacts is a regular part of the job, and occasional overtime or flexible hours may be needed to accommodate executive needs.

Physical Requirements

• Sitting for extended periods while working on a computer or conducting meetings.
• Use of hands and fingers for typing, writing, and handling documents.
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
• Ability to communicate well both verbally and in writing.
• Mobility within the office environment to attend meetings or interact with colleagues.

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of ISO 9000, ISO 9001, ISO 14001, and/or other applicable standards within the Quality Management System and Environmental Management System.

Culture Commitment

• Integrity – Create an Environment of Trust
• Collaboration – Innovate Through the Sharing of Ideas
• Accountability – Own the Process and the Outcome
• Respect – Recognize the Value in Everyone
• Enthusiasm – Find a Sense of Purpose in Work

About Us

Coherent is a global leader in lasers, engineered materials, and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard work through a competitive compensation program. It’s an exciting opportunity to work for a company that offers stability, longevity, and growth. Come join us!