PCVD R&D Engineer – Specialty Fiber Preform Processes (Optical Fiber)

Location: Douvrin, France; onsite at the plant. Occasional international travel may be required.

Company

hirify.global develops and manufactures optical fiber and cable technologies through international R&D and production organizations.

What you will do

• Develop, optimize, qualify, and industrialize PCVD processes for specialty fiber preforms and optical fibers.
• Support advanced fiber products including multi-core, PANDA, polarization-maintaining, reduced-diameter, and future specialty fibers.
• Design and analyze experimental programs, define process specifications and operating windows, and establish qualification criteria.
• Lead process qualification and validation with Product R&D, Quality, Process Control, and Manufacturing teams.
• Drive yield improvement, cost reduction, process robustness, root-cause analysis, corrective actions, and operational excellence.
• Support technology transfer, equipment and tooling upgrades, metrology improvements, industrial investments, and knowledge sharing across international sites.

Requirements

• Master’s degree in Engineering or Science, such as Materials Science, Physics, Optics, Photonics, Chemistry, Mechanical Engineering, or Process Engineering; a PhD is advantageous.
• Experience in industrial R&D, process development, manufacturing engineering, or technology development.
• Strong experimental, data analysis, statistical methods, problem-solving, process characterization, and industrial qualification skills.
• Experience with Design of Experiments and qualification methodologies.
• Knowledge of optical fiber manufacturing, glass processing, deposition, plasma, precision assembly, glass drilling, or advanced manufacturing processes is advantageous.
• Fluent English is mandatory. French is advantageous.

Culture & Benefits

• International, multicultural, and multisite R&D environment.
• Opportunities for individual responsibility, professional development, and feedback.
• Inclusive culture focused on diversity, equity, and gender equality.
• International development programs, employee surveys, and access to an internal academy.
• Strong focus on safety, quality, continuous improvement, and knowledge sharing.