Process Engineer

Reposted One Month Ago
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Woburn, MA, USA
In-Office
Mid level
Industrial • Manufacturing
The Role
Process Engineer responsible for semiconductor fabrication, thin film processes, mechanical design, and Statistical Process Control with a focus on improving chip yield.
Summary Generated by Built In

Are you passionate about semiconductor fabrication, thin-film technologies and solving complex manufacturing challenges?

At Coherent, you will help develop and improve the processes used to manufacture advanced thin-film tunable filters. Working across both manufacturing and product development, you will play an important role in improving wafer and chip yield, reducing fabrication costs and shortening production cycle times.

This is a hands-on, on-site engineering position where your ideas and technical expertise will directly influence product performance and manufacturing excellence.

What You’ll Do

  • Support manufacturing and development activities for thin-film tunable filters.
  • Work with key fabrication processes, including:
    • Photolithography.
    • Wet and dry etching.
    • Thin-film deposition.
    • Wafer and chip metrology.
  • Develop, optimise and document fabrication processes.
  • Analyse wafer measurement data and resolve results that fall outside process capability.
  • Identify opportunities to improve wafer and chip yield, quality and reliability.
  • Reduce fabrication costs, waste and production cycle times.
  • Apply Statistical Process Control to monitor performance and improve process stability.
  • Operate, troubleshoot and support the repair of high-vacuum equipment.
  • Investigate equipment failures and recommend component upgrades or modifications.
  • Design mechanical components and systems using CAD.
  • Produce detailed technical drawings and translate designs into effective manufacturing processes.
  • Set up, operate and troubleshoot test equipment.
  • Manage multiple technical priorities while delivering high-quality solutions within agreed timelines.
  • Clearly communicate technical findings and complex concepts to colleagues across the organisation.

About You

  • Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Physics, Chemistry, Materials Science or another relevant technical discipline.
  • At least three years of experience in semiconductor or thin-film device fabrication.
  • Practical knowledge of thin-film fabrication processes and equipment.
  • Hands-on experience with photolithography.
  • Experience operating and troubleshooting high-vacuum equipment.
  • Knowledge of equipment failure analysis, repair and component modification.
  • Experience using Statistical Process Control.
  • Ability to interpret wafer measurement data and resolve process-capability issues.
  • Strong problem-solving skills and the ability to work with limited supervision.
  • Effective interpersonal, communication and presentation skills.
  • Ability to manage multiple programmes, priorities and deadlines.
  • Proficiency in Microsoft Excel, PowerPoint and Word.

Desirable Experience

  • AutoCAD or comparable computer-aided design software.
  • Mechanical design and preparation of detailed engineering drawings.
  • Wastewater Treatment certification.
  • Hazardous Materials training.

Working at Coherent

This is an on-site position within a collaborative, hands-on engineering and manufacturing environment. You will regularly interact with colleagues across development, manufacturing, equipment and quality teams.

Occasional travel, off-site meetings or overtime may be required, with some flexibility in working hours to support business and production needs.

The role requires regular computer use, movement within office, laboratory and manufacturing environments, and occasional lifting of equipment or materials weighing up to 20 pounds.

Our ICARE Values

Everything we do is guided by our ICARE values:

  • 🤝 Integrity – Create an environment of trust.
  • Collaboration – Innovate through the sharing of ideas.
  • 🎯 Accountability – Own the process and the outcome.
  • 🌍 Respect – Recognise the value in everyone.
  • 🚀 Enthusiasm – Find a sense of purpose in work.
     

Join us and help develop the processes behind the next generation of advanced optical technologies

About UsCoherent 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.


Skills Required

  • BS in EE, ME, or other physical/chemical sciences
  • 3+ years applicable experience in fabrication of semiconductor and/or thin film devices
  • Knowledge of thin film fabrication processes, equipment failure analysis, and equipment upgrades
  • High-vacuum tool operation and troubleshooting
  • Photolithography process experience
  • Proficiency in Excel, PowerPoint, and MS Word
  • Experience and knowledge on Statistical Process Control
  • Demonstrated ability to effectively communicate complex concepts
  • Experience with AutoCAD

Coherent Corp. Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Coherent Corp. and has not been reviewed or approved by Coherent Corp..

  • Healthcare Strength Healthcare Strength: Health coverage includes multiple national and region-specific options (UHC HDHP/HSA, PPO, EPO; Kaiser in CA; Health Net in OR) plus separate dental (Delta Dental) and vision (VSP), indicating strong breadth and choice. This breadth supports a solid total package in certain roles and locations.
  • Equity Value & Accessibility Equity Value & Accessibility: An Employee Stock Purchase Plan allows buying shares at 85% of market price with contributions up to 10% of pay, expanding ownership access. This feature can materially bolster total rewards even when base pay is mid‑pack.
  • Leave & Time Off Breadth Leave & Time Off Breadth: Paid time off includes 15 vacation days for new hires, 10 paid holidays, and additional paid time during a December shutdown. This structure provides a clear and competitive baseline for time away from work.

Coherent Corp. Insights

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The Company
HQ: Saxonburg, PA
3,569 Employees

What We Do

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Headquartered in Saxonburg, Pennsylvania, Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at coherent.com.

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