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Coherent Corp. · 1 day ago

Sr Opto-Mechanical/FEA Engineer

Saxonburg, PA

Full-time

Onsite

Senior Level, Lead/Staff

$113K/yr - $157K/yr

10+ years exp

Coherent Corp. is a global leader in lasers, engineered materials and networking components, and they are seeking a Sr Opto-Mechanical/FEA Engineer. The role involves leading the design and optimization of precision optical assemblies, conducting advanced simulations, and collaborating with engineering teams to deliver integrated solutions.

Responsibilities

Lead opto-mechanical design and system level optimization of precision optical assemblies such as refractive and reflective laser beam scanners, and high-power photonic hardware

Develop and execute advanced FEA and CFD simulations for structural, thermal, and fluid flow performance using tools such as ANSYS, COMSOL, and related solvers

Architect thermal management solutions for high power optics and processors including heat spreaders, microchannel coolers, cold plates, liquid cooling loops, and advanced TIM interfaces

Perform coupled multiphysics simulations including thermal mechanical distortion, thermal lensing, vibration sensitivity, and stress induced optical aberrations

Design and optimize micro scale and macro scale cooling solutions including forced convection, two phase cooling concepts, and hybrid air liquid systems

Translate optical performance requirements into robust mechanical and thermal designs that preserve wavefront quality, alignment stability, and long term reliability

Lead tolerance analysis, sensitivity studies, and worst case design assessments for optomechanical assemblies

Drive material selection for optical and thermal components including metals, ceramics, composites, diamond, silicon, and advanced thermal interface materials

Develop predictive thermal and fluid dynamic models for GPUs, CPUs, and high heat flux electronic packages

Support prototype build, validation testing, and thermal mechanical characterization including correlation of experimental data with simulation results

Own design for reliability including fatigue, creep, thermal cycling, shock, and vibration qualification

Collaborate closely with optical engineers, electrical engineers, packaging engineers, and manufacturing teams to deliver fully integrated system solutions

Lead technical trade studies balancing performance, cost, manufacturability, and risk for complex opto-mechanical platforms

Generate detailed technical documentation including design reports, simulation methodologies, verification plans, and qualification summaries

Mentor junior engineers in advanced simulation techniques, optomechanical best practices, and system level design thinking

Contribute to intellectual property development, publications, and advanced R & D initiatives in opto-mechanics and thermal engineering

Qualification

Advanced FEAOptomechanical system designThermal managementExpert level ZemaxEngineering scripting with PythonAdvanced COMSOLCFD analysisThermodynamic modelingCollaborationMentoringTechnical documentation

Required