Principal/ Senior Mechanical Engineer

PBA SYSTEMS PTE LTD; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

PBA SYSTEMS PTE LTD in Singapore seeks an experienced Principal/Senior Mechanical Engineer to lead end-to-end design, simulation and integration of customised module solutions for diversified industries, including semiconductor, medical, pharmaceutical and aerospace.

You will mentor junior engineers, collaborate with cross-functional teams, drive ECOs, BOMs, ISO compliance and manufacturability, using SolidWorks and PDM to deliver reliable, cost-effective results.

Qualifications

• Degree in mechanical engineering or equivalent.
• 10+ years of experience in semiconductor equipment or industrial automation.
• Proficient with SolidWorks and PDM for design and drawing management.
• Knowledge of motion control components and precision motion modules.
• Independent, responsible and able to work professionally.

Responsibilities

• Lead mechanical design of customized solutions using SolidWorks.
• Perform tolerance analysis and coordinate with the FEA team.
• Oversee prototyping, assembly, testing, and DVT.
• Collaborate on DFMA with vendors and manufacturing teams.
• Manage ECOs and BOMs in ISO-compliant processes.
• Mentor junior engineers and CAD designers.

Skills

SolidWorks

PDM

Motion control knowledge

Education

Degree in mechanical engineering

Tools

SolidWorks

PDM

FEA

Job description

Job Summary

We are seeking an experienced and detail-oriented Principal/Senior Mechanical Engineer to join our engineering team in Singapore. In this role, you will lead the end-to-end design, simulation, and integration of customised module solutions for diversified industries, such as semiconductor, medical, pharmaceutical, aerospace, etc. You will work closely with cross-functional teams-including electrical, motion control, and manufacturing-to translate complex technical requirements into reliable, manufacturable, and cost-effective solutions.

Job Responsibilities

• Mechanical Design: Lead the design and development of customized engineering solutions using SolidWorks.
• Analysis & Simulation: Perform tolerance stack-up analysis and work with FEA team to optimize structural integrity, vibration control, and dynamic performance.
• Prototyping & Qualification: Oversee physical prototyping, assembly, alignment, functional testing, and Design Verification Testing (DVT).
• Design for Manufacturability (DFMA): Collaborate with machining vendors and internal manufacturing teams to select optimal materials, heat treatments, and fabrication processes.
• Lifecycle & ECO Management: Drive Engineering Change Orders (ECOs), maintain Detailed Bill of Materials (BOMs), and ensure full compliance with ISO standards.

Technical Mentorship: Guide and review the technical output of junior mechanical engineers and CAD designers.

Requirements

• Degree in mechanical engineering or equivalent.
• At least 10 years of working experience in semiconductor equipment or industrial automation.
• Proficient with mechanical design and drawing management using SolidWorks and PDM.
• In-depth knowledge of motion control components (linear guides, ball screws, direct-drive motors, encoders, air bearings, pneumatic systems).
• Knowledgeable in design and assembly of precision motion modules.
• Responsible and able to handle work professionally, independently and efficiently.