About Advanced Substrate Technologies Pte. Ltd.

We are a Singapore-based subsidiary of TOPPAN Holdings Inc., a Japanese pioneer in printing technologies and a leading supplier of high-quality Flip Chip Ball Grid Array (FC-BGA) substrates. We are the first factory in Singapore to pioneer the manufacturing of high-end FC-BGA substrates used in cutting-edge semiconductor products such as network switches and artificial intelligence (AI)/machine learning (ML) devices.

Additionally, our facility will conduct research and development (R&D) aimed at advancing substrate technologies to meet the evolving performance requirements of future products in these domains. Broadcom Inc., a global technology leader specializing in semiconductor design, enterprise software, and security solutions, is also actively supporting the establishment of this state-of-the-art manufacturing facility in Singapore.

 

Resposibilities

Process Development & Optimization                  

• You’ll own lithography development for advanced packaging solutions.
• Developing manufacturable, repeatable, and high-yielding processes.
• Improving processes for cost reduction, cycle time reduction, and yield enhancement.
• Collaborating with cross-functional teams to lead innovations in lithography and their implementation efforts
• Drive the industry with advanced lithography solutions, for panel lithography

Equipment & Tooling Support       

• Active part of defining lithography equipment specifications and validating tools.
• Work with cross-functional team to monitor and maintain tool performance.

Yield & Quality Improvement                     

• Implement and refine process monitoring techniques and defect inspection, to proactively investigate and resolve lithography defects.
• Collaborate with upstream and downstream process owners (e.g., plating, deposition, etching) to ensure seamless integration.
• Support the development of process flows for advanced packaging substrates.

Data Analysis & Documentation

• Perform statistical analysis (e.g., DOE, SPC) to identify and control critical process parameters.
• Document standard operating procedures (SOPs), work instructions, and control plans.

Cross-Functional Collaboration

• Work closely with design, product engineering, equipment vendors, and manufacturing teams to support process scale-up and new product introduction (NPI).  Process Integration
• Assist with customer qualifications and reliability testing as needed.

Perform any other ad-hoc duties as assigned by the Manager, as required to support the team and organizational goals.

 

Location & Commitments

• Premises located in 9 Pesawat Drive, Singapore 619607
• Permanent, full-time role working 40 hours per week

 

Job Requirements

Professional Qualifications:

• PhD or Master’s degree in Materials Science, Chemical Engineering, Electrical Engineering, Mechanical Engineering, or a related field.
• 5–10+ years of experience in lithography development

Specialized Knowledge & Skills:

• Experience with defect analysis tools (e.g., optical inspection, SEM, AFM).
• Familiarity with process integration for advanced packaging (e.g., 2.5D/3D IC, interposers).
• Strong analytical, documentation, and problem-solving skills.
• Good communication and teamwork in a cross-functional environment.
• Familiarity with using metrology tools for thin film and etch characterization (e.g., XRF, 4PP, ellipsometry, profilometer).
• Takes part in product risk management discussions leveraging his / her expertise and knowledge to influence and drive risk management decisions.
• Using AI/ML to enhance process discovery
• Support lithography related metrology such as CD-SEM / Filmmetrics / Inspection / Defect Review and be able to create recipes and run wafers independently.

 

Contact us to apply

If you believe you possess the qualifications for this position, please submit your resume and cover letter to our HR team at hr_career@ast-sg.com.

 

Why Join Us?

• You will have the Opportunity to Make an Impact as pioneer employees in shaping our company’s culture, processes, and success from the ground up.
• You will have ample opportunities for Career Growth and Advancement as our company continues to grow.
• We do embrace Technology AI Innovation and Agile Work Environment where ideas are valued and implemented quickly.
• You will have more chances to take on Ownership initiatives with higher Recognition from the Management.
• We do offer Competitive Compensation, Benefits and Perks as we benchmark ourselves against the market data.
• We fully understand the importance of Work-Life Balance so we do offer Flexible Work Arrangement and Flexi-Time in the company.
• We are planning to introduce a Shuttle Bus Service that will transport employees from designated MRT stations, with potential expansion to include a pickup point at Johor customs.
• Our facility will have a Multi-Purpose Room cater for religious prayer, meditation time and nursing purposes.

 

Closing Statement

AST is dedicated to creating a workplace that is diverse, equitable, and inclusive, where every employee feels appreciated, respected, and empowered to share their unique perspectives.

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