II-VI Aerospace & Defense · 7 hours ago
Lead Mechanical Engineer (Analyst)
Longmont, CO
Full-time
Onsite
Senior Level, Lead/Staff
5+ years expII-VI Aerospace & Defense is a high technology company specializing in opto-mechanical systems. The Lead Mechanical Engineer (Analyst) is responsible for directing structural, thermal, and opto-mechanical analyses to support the development of high-performance systems, ensuring compliance with operational requirements and leading environmental testing campaigns.
AerospaceAppsManufacturingSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform and lead detailed structural, thermal, and dynamic analyses of opto-mechanical systems
Develop and validate finite element models for stress, steady state and transient thermal, modal, random vibration, and shock analyses (Femap with NX/Nastran and/or SimCenter 3D preferred)
Use closed-form methods to provide quick-turn assessments and to validate FEA results
Characterize operational and survival loads (thermal cycles, random/sine, shock, launch, wind, seismic), predict system response, assess structural integrity and stability
Conduct STOP analysis to characterize optical performance (e.g., wavefront error, line-of-sight jitter, alignment stability); experience with preparing results for processing with optical analysis software such as Code V or Zemax using Sigfit or Matlab preferred
Prepare and deliver analysis reports and design review documentation (PDR, CDR)
Develop structural and thermal test requirements to validate analytical predictions
Support environmental testing campaigns (vibration, shock, thermal, thermal-vacuum) including test planning, data correlation, and anomaly resolution
Contribute to risk assessments and design trades, recommending design modifications based on analysis outcomes
Collaborate closely with design engineers, optical engineers, systems engineers, and test teams to ensure requirements compliance
Mentor less experienced engineers in analysis tools, methods, and best practices
Qualification
Required
Bachelor's degree in Mechanical Engineering
Understanding of precision mechanism design and/or opto-mechanical design principles
Hands-on hardware assembly, integration, and testing
Minimum 7 years of related experience in a professional role with a bachelor's degree in Optical Sciences or related discipline; or minimum of 5 years of experience with a master's degree, or 3 years of experience with a doctorate in a relevant field
Expertise in finite element analysis (FEA)
Strong knowledge of structural mechanics, heat transfer, and dynamics as applied to precision opto-mechanical systems
Experience with thermal-structural coupling and integrated opto-mechanical performance characterization
Familiarity with optical performance metrics (wavefront error, jitter, line-of-sight stability) and their mechanical drivers
Proficiency in environmental loads analysis (thermal environments, random vibration, acoustic, shock, seismic, wind)
Ability to correlate analysis with test data and refine models based on measured results
Knowledge of materials selection for precision structures (aluminum, steel, invar, ceramics, structural adhesives, etc.)
Strong technical writing skills (analysis reports and design review documentation)
Effective communication and teamwork skills for cross-discipline collaboration
Must be eligible for and able to obtain and maintain a U.S. Government Security Secret Clearance
Preferred
Experience with Femap with NX/Nastran and/or SimCenter 3D
Experience with Computational Fluid Dynamics (CFD)
Experience with Sigfit
Familiarity with composites
Benefits
Competitive salary and benefits
Comprehensive career development platform
Stability, longevity and growth
Company
II-VI Aerospace & Defense
II-VI Aerospace & Defense provides optical assemblies.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Sheila Campbell
Sr. Human Resources Business Partner
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