Materials & Vacuum Physics Expert 80-100%

To complement our team, we are looking for a customer- and teamoriented individual for our division Plasma Control Technologies at the Flamatt site as a

Materials & Vacuum Physics Expert 80-100%

For over 75 years, we have been following our curiosity. It drives us and has made Comet a leading Swiss technology company worldwide. Curiosity and the spirit of research have allowed us to become and remain innovative. For a better and sustainable world.

We develop and produce innovative high-tech components and systems based on X-ray and radio-frequency technology. Our developments make an important contribution to safer, more efficient and more sustainable production, mobility and communication. 

In the Plasma Control Technologies (PCT) division, we manufacture specialized components that are required for the precise control of plasma processes and are used in the production of memory chips or touch screens for sensors, smartphones or tablets.

What you will do:

• Drive material selection, development, and validation for vacuum capacitor components to ensure high performance, reliability, and long service life under high-voltage RF vacuum conditions
• Conduct technological studies and experimental projects aligned with the product roadmap, using structured scientific and data-driven methodologies
• Analyze and mitigate vacuum breakdown phenomena such as field emission, arcing, contamination, and outgassing effects in vacuum systems
• Develop and optimize advanced joining and surface engineering solutions, including ceramic-to-metal brazing, diffusion bonding, coatings, and surface treatments
• Plan, execute, and interpret material characterization, reliability, and failure analysis tests using techniques such as SEM, EDX, CT, and leak testing

What you bring:

• MSc or PhD in Materials Science, Physics, Mechanical Engineering or related field and strong expertise in materials science, vacuum technology, and high-voltage/RF systems, with deep understanding of material behavior under extreme operating conditions
• Hands-on experience with material characterization, surface analysis, failure investigation, and reliability assessment methodologies
• A structured, analytical, and detail-oriented approach to experimentation, root-cause analysis, and engineering problem solving
• Ability to collaborate effectively across multidisciplinary teams, clear communication, good English skills while German is a big plus
• Proven capability to lead technical projects, make data-driven engineering decisions, and contribute to continuous technology and process improvement

Why join us? Break new ground with us:

• Work on innovative solutions for global technical challenges
• Benefit from flexible working options and hybrid working
• Take part in Comet’s success through profit sharing
• Work with international colleagues and grow as a team
• Enjoy our diverse educational and career opportunities
• Profit from on-site perks such as discounted meals, free fruit, and support for health initiatives like "bike to work”
• Benefit from tax-free fringe benefits via Swibeco.ch, employee discounts (e.g. brack.ch, CC Aligro, SIXT), mobility perks including fleet discounts, free parking and e-charging stations for cars and bikes
   

We are curious about you and look forward to receiving your complete online application and will be happy to answer any questions you may have.

For this vacancy, we only consider direct applications. Submissions from recruitment agencies will not be considered.

Comet AG 
Herrengasse 10
3175 Flamatt
Switzerland
comet.tech/careers