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Lead Mechanical Engineer (Analyst) at Coherent Corp.

Coherent Corp. · Longmont, United States Of America · Onsite

$88,550.00  -  $151,580.00

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The Lead Mechanical Engineering (Analyst) is responsible for directing and executing structural, thermal, and opto-mechanical analyses in support of the development of high-performance opto-mechanical systems, such as telescopes, beam directors, and related instruments and subsystems.

Primary Duties & Responsibilities

This role spans the development of precision structures, mechanisms, and optical support assemblies for platforms ranging from terrestrial to spaceborne. The analyst performs detailed stress, thermal, and dynamic assessments using both closed-form methods as well as advanced finite element techniques, and leads the characterization of optical performance in demanding thermal and vibrational environments. Responsibilities include ensuring system survivability, alignment, and optical performance under operational and survival loads, preparing comprehensive analysis reports, developing structural test requirements, and supporting environmental testing campaigns—including dynamic and thermal verification—to validate analytical predictions and confirm compliance with system requirements.

  • 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

Education & Experience

  • Typically requires a Bachelor’s degree in Mechanical Engineering.  An understanding of precision mechanism design and/or opto-mechanical design principles, as well as hands-on hardware assembly, integration, and testing are essential.
  • 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.

Skills

  • Expertise in finite element analysis (FEA); Femap with NX Nastran or SimCenter 3D preferred
  • Strong knowledge of structural mechanics, heat transfer, and dynamics as applied to precision opto-mechanical systems; experience with Computational Fluid Dynamics (CFD) is a plus
  • Experience with thermal-structural coupling and integrated opto-mechanical performance characterization; experience with Sigfit a plus
  • 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.).  Familiarity with composites is a plus. 
  • Strong technical writing skills (analysis reports and design review documentation)
  • Effective communication and teamwork skills for cross-discipline collaboration

Working Conditions

  • Job operates in a professional office environment
  • Routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines
  • Work in a cubicle office

Physical Requirements

  • Walk. Occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Talking. Expressing or exchanging ideas by means of the spoken word. Those activities in which they must convey detailed or important spoken instructions to other employees accurately, loudly, or quickly.
  • Hearing. Perceiving the nature of sounds at normal speaking levels with or without correction. Ability to receive detailed information through oral communication, and to make the discriminations in sound.
  • Use hands/fingers to type/handle.  Operating a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
  • Sedentary Work. Sedentary work involves sitting most of the time. Jobs are sedentary if walking and standing are required only occasionally and all other sedentary criteria are met.

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 the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

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


 

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

 

To conform to U.S. Government export regulations (ITAR), applicant must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8. U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State."

 

About Company

II-VI Aerospace & Defense is a high technology company, offering careers in offices and campuses in California, Colorado, Florida, Pennsylvania, and Ohio. We work with emerging technology in areas of atmospheric sensing and imaging, adaptive optics, optical communications, coherent beam combining, and numerical performance analysis of atmospheric optics systems. II-VI A&D has recently been awarded several new government contracts and we are offering opportunities to leverage your technical experience and interpersonal skills for something more than a simple paycheck. If this sounds like the type of environment you are seeking at this point in your career, and if your background meets these qualifications, please apply. We will offer a competitive salary and benefits. Since II-VI A&D is a rapidly expanding organization, it means that significant opportunities exists for career advancement and professional development.

Company

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!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.


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