Head of Process Engineering

17 hours ago

Singapore PYXIS CF PTE. LTD. Full time

**About PYXIS CF** PYXIS CF Pte Ltd is a Singapore-based developer of next-generation Thermo-Compression Bonder (TCB) systems for advanced semiconductor packaging, including HBM, CoWoS and 2.5D/3D heterogeneous integration. Our engineering programs are anchored in Singapore to support leading semiconductor manufacturers and global OSATs. We are expanding our technical leadership team to accelerate the Alpha build of our HBM-class TCB platform targeted for 2026. **Position Overview** The Head of Process Engineering will lead the definition, development, and qualification of next-generation TCB bonding processes and their translation into equipment capability requirements. The role requires deep hands-on experience in flux-less thermal compression bonding, formic-acid/N₂ environments, and precision die-to-substrate assembly at fine pitch (< 50 µm). This position reports directly to the CEO and will collaborate closely with the Head of Equipment Engineering and software control teams. **Key Responsibilities** - Lead process development for flux-less Thermo-Compression Bonding (TCB) for advanced packaging (HBM, CoWoS, 2.5D/3D). - Define critical-to-quality (CTQ) parameters and Design Validation Plan & Report (DVP&R) frameworks for bonding yield, die tilt, and warpage control. - Establish and maintain formic-acid bonding environment and N₂ tunnel process standards. - Correlate process responses with equipment parameters (Z-axis control, force-temperature loops, heater uniformity, clamping pressure). - Develop and own process FMEA, SPC, and predictive maintenance metrics. - Interface with customers and partners (e.g. Micron Singapore, regional OSATs) for process qualification and yield improvement. - Coach and build a local team of process and integration engineers; drive knowledge transfer and documentation. - Collaborate with mechanical, control, and software groups to ensure process requirements are translated into tool specifications. - Contribute to patent generation and technical papers on bonding process innovation. **Requirements**: **Essential Qualifications** - Bachelor’s or Master’s Degree in Mechanical, Materials, Mechatronics, or Semiconductor Process Engineering. - 8+ years in advanced semiconductor packaging or wafer-level bonding process development.Demonstrated expertise in Thermo-Compression Bonding (TCB) or Hybrid Bonding (Cu-Cu / micro-bump - 50 µm pitch). - Strong understanding of thermal-mechanical interaction, formic-acid environment, and yield optimization. - Experience leading cross-site process alignment, FMEA, and equipment qualification. - Excellent analytical, documentation, and communication skills in English. **Preferred / Advantageous** - Experience with Intel / TSMC / ASMPT / Hanmi TCB tools or similar. - Knowledge of AI-based predictive control, vibration isolation, or signal-driven maintenance systems. - Proven record of mentoring engineers and managing technology transfer projects

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