Coherent Corp. · 2 weeks ago
Senior Process Engineer: Dry Etch
Sherman, TX
Full-time
Onsite
Senior Level, Lead/Staff
$92K/yr - $150K/yr
10+ years expCoherent Corp. is a global leader in lasers, engineered materials and networking components. They are seeking a Senior Process Engineer to lead the development and optimization of dry etch processes for compound semiconductor applications, driving process improvements and integrating with production teams.
AerospaceIndustrialMachinery ManufacturingManufacturingNavigationSemiconductor
Responsibilities
Lead the development and optimization of dry etch processes (ICP, RIE) for compound semiconductor applications
Drive process integration and improvement initiatives to enhance device performance and yield
Define and control etch process parameters for GaAs and InP substrates, ensuring precision, uniformity, and repeatability
Utilize advanced metrology tools such as SEM, AFM, ellipsometry, profilometry, XPS, XRD, and optical interferometry for process characterization and defect analysis
Work closely with integration, production, and device engineering teams to integrate etch processes into the overall semiconductor fabrication flow
Troubleshoot process deviations, particle contamination, and chamber performance issues, implementing corrective actions and continuous improvement strategies
Establish and maintain SPC for process monitoring and optimization
Evaluate and qualify new etch chemistries, hardware configurations, and process automation tools
Develop and document process recipes, work instructions, and standard operating procedures (SOPs)
Mentor junior engineers and provide technical leadership in semiconductor dry etch and metrology
Qualification
Required
Lead the development and optimization of dry etch processes (ICP, RIE) for compound semiconductor applications
Drive process integration and improvement initiatives to enhance device performance and yield
Define and control etch process parameters for GaAs and InP substrates, ensuring precision, uniformity, and repeatability
Utilize advanced metrology tools such as SEM, AFM, ellipsometry, profilometry, XPS, XRD, and optical interferometry for process characterization and defect analysis
Work closely with integration, production, and device engineering teams to integrate etch processes into the overall semiconductor fabrication flow
Troubleshoot process deviations, particle contamination, and chamber performance issues, implementing corrective actions and continuous improvement strategies
Establish and maintain SPC for process monitoring and optimization
Evaluate and qualify new etch chemistries, hardware configurations, and process automation tools
Develop and document process recipes, work instructions, and standard operating procedures (SOPs)
Mentor junior engineers and provide technical leadership in semiconductor dry etch and metrology
Bachelor's, Master's, or Ph.D. in Materials Science, Electrical Engineering, Physics, or related field
10+ years of experience in semiconductor process engineering, specializing in dry etch (ICP, RIE)
Strong background in etch chemistry, selectivity, anisotropy, and plasma physics for III-V semiconductor processing
Expertise in GaAs and InP processing, including device fabrication challenges and best practices
Hands-on experience with metrology tools such as SEM, AFM, ellipsometry, profilometry, and XPS for process verification and defect analysis
Strong problem-solving skills with experience in data analysis, SPC, and DOE
Ability to work in a cleanroom environment and interface with cross-functional engineering teams
Experience with high-volume semiconductor manufacturing or advanced R&D prototyping
Knowledge of metal etching, dielectric etching, and post-etch cleaning techniques
Familiarity with automation (SECS/GEM), scripting, or AI-driven process control, including FDC and APC
Demonstrated leadership in technical project management and team mentoring
Will be exposed to areas where hand tools and power tools are being operated
Will be exposed to areas where hazardous chemicals or gases are stored
Ability to work in a cleanroom environment per semi-conductor protocol/requirements
Work in a class 100/1000 clean room for extended periods
Wear full cleanroom attire (smock, mask, etc.)
Work with and/or around chemicals (such as solids and acids)
Stand for up to 4 hours at a time
Lift up to 16-30 Pounds
Push/Pull up to 16-30 pounds
Sit for up to 4 hours at a time
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards
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
Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp
Company
Coherent Corp.
Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems.
10001+ employees
H1B Sponsorship
Coherent Corp. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (20)
2024 (18)
2023 (16)
2022 (6)
2021 (7)
2020 (9)
Funding
Current Stage
Public CompanyTotal Funding
$3.44BKey Investors
JP Morgan Chase
2025-09-26Post Ipo Debt· $3.03B
2021-05-07Post Ipo Equity· $410M
1987-10-09IPO
Leadership Team
Sherri Luther
CFO and Treasurer
G
Giovanni Barbarossa
Chief Strategy Officer & President Materials Segment
Recent News
GlobeNewswire
2025-12-19
2025-10-07
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