Let us tell you a little bit about Sparc 🚀

SPARC FOUNDRY develops and produces photonic semiconductors as part of a strong European photonics ecosystem.

The foundry will produce PICs (Photonic Integrated Circuits) and discrete components based on Group III‑V semiconductors. It will have the capacity to develop 20,000 wafers per year with different types of technologies based on Group III‑V materials, including GaAs (Gallium Arsenide), InP (Indium Phosphide) and GaN (Gallium Nitride). These components are used across industries such as automotive, telecommunications, quantum computing, consumer electronics, defence, aerospace and medicine.

⭐ What will you do with us?

As a Senior Process Engineer you will lead the development, optimisation and transfer of fabrication processes in a production‑intent cleanroom environment. You will work closely with design, device integration and manufacturing teams to ensure process robustness, yield improvement and scalable manufacturing of integrated circuits.

Key Functions

Develop, qualify and document cleanroom fabrication processes for devices including epitaxy, lithography, etch, deposition, lift‑off and metrology.
Work on equipment configuration and fine‑tuning within a cleanroom environment.
Work with design teams to verify process‑design compatibility using KLayout, Cadence, Lumerical and COMSOL; provide feedback to improve manufacturability and performance.
Lead process transfers from Customers into pilot and manufacturing, defining process windows, control plans, and run cards to ensure reproducible yields.
Implement and maintain process control and statistical methods to monitor variation, troubleshoot issues, and drive yield and reliability improvements.
Collaborate with equipment, metrology and materials suppliers to qualify tools and materials; participate in root‑cause analyses and corrective actions.
Prepare technical reports, process documentation and training materials; mentor junior engineers and promote best practices across teams.
Represent Sparc in technical reviews with partners and customers, clearly communicating process capabilities, limitations and roadmaps.

🧠 What skill set are we looking for?

Proven experience (typically 5+ years) in semiconductor process engineering, with a track record of delivering process improvements or successful transfers to production.
Design tools: Hands‑on experience with KLayout and Cadence for mask/layout verification and rule‑checking; simulation experience with Lumerical and COMSOL is required to correlate process variations with optical performance.
Cleanroom fabrication processes: Deep practical knowledge of semiconductor process flows; experience with lithography, dry/wet etch, metallisation, chemical mechanical polishing and wafer handling.
Technical fit: Strong experimental design, process characterisation and statistical analysis skills; ability to translate simulations into manufacturable processes.
English level: Fluent written and spoken English to communicate effectively across a multicultural engineering organisation and in customer interactions.
Sparc culture: Demonstrated alignment with a fast‑moving, collaborative and transparent engineering culture; ownership mindset and pragmatic problem solving.

🌟 Personal traits we value

Passion for technology — a genuine interest in advancing integrated semiconductor manufacturing.
Attention to detail — meticulous documentation, careful execution of process steps and rigorous data recording.
Analytical thinking — strong problem‑solving skills and the ability to apply statistical and simulation tools to identify root causes and optimise processes.
Collaborative team player — comfortable working across design, test, equipment and manufacturing teams to achieve common goals.

💼 What we offer:

💸 Competitive and transparent compensation
This position includes the following gross annual salary range €30.000 and €45.000 and up to €65.000 for Staff Process Engineer (15+ years of experience). Specifics will be discussed during our first conversation.

🛫 Clear and adaptive paid time off
You’ll get 30 paid days off each year (23 standard vacation days + 7 additional company‑wide days)
☀️Morning working schedule
From mid‑June to September, our working hours are 8:00–15:00, just like every Friday during the rest of the year.
💻 Remote Day
You can choose which day per week you want to work from home.
🏢 New branded office (coming soon!)
We are building a new branded office full of services oriented to enhance our employee experience.
⚖️ Real work–life balance
Flexibility is built into the way we operate. We understand and value your life outside working hours, and taking care of your rest time and holidays is part of our culture.
🌐 Multicultural team
We’re a diverse group representing 5+ nationalities, and English is our common language to ensure everyone stays connected and included.
🎊 Team moments and activities
We enjoy spending time together, whether it’s for team‑building sessions, casual gatherings, or company meetups throughout the year.
🧳 Visa Sponsorship and Relocation Services
We are happy to sponsor visas for you and your family. In addition, we work with specialised partners to provide a full relocation package if you are coming from abroad.

If this role sounds like a good fit and you are excited to help scale photonic manufacturing, please apply — we look forward to hearing from you.

Senior Process Engineer (Semiconductor Industry)

Senior Process Engineer at Sparc Foundry: lead photonic fabrication process development and production transfer, mentor peers, and help advance Europe’s photonics.