Senior Opto-Mechanical Engineer

Roles & Responsibilities

About ST Engineering

ST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Our history spans more than 50 years, and our strategy is underpinned by our core values – Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture – from the people we hire, to working with each other, to our partners and customers.

About our Line of Business – Advanced Networks & Sensors

Our Advanced Networks & Sensors business specializes in platform digitalization, advanced connectivity, and cutting-edge manufacturing. This diversity of capabilities presents a range of roles through which you can contribute to the development of innovative, secure, and patented products. Join our team and play a crucial role in developing tomorrow's technology and connectivity solutions and services to sectors spanning defence, public security, government, and the commercial realm. Your work will have a global impact as we empower customers through advanced communications, intelligent sensors, and the deployment of AI-enabled Edge applications for mission-critical roles.

Together, We Can Make A Significant Impact

You will play a key role in the mechanical design and integration of cutting-edge laser and electro-optics systems for defence and security applications. Working closely with optical, electronics, and systems engineers, you will lead the development of precision opto-mechanical assemblies that meet stringent performance, environmental, and operational requirements. Your contributions will be critical in ensuring the robustness, alignment stability, and field readiness of these advanced systems.

Be Part of Our Success

• Lead the design, development, and integration of opto-mechanical subsystems for advanced laser and electro-optics systems, including optical mounts, enclosures, alignment mechanisms, thermal management, and vibration isolation
• Perform tolerance, structural, and thermal analyses using simulation tools to ensure mechanical stability and robustness of design
• Oversee the fabrication, assembly, and precision alignment of opto-mechanical subsystems, ensuring manufacturability and field readiness
• Perform prototyping, integration, environmental testing, ruggedisation, and optimisation for mobile or fixed deployment platforms
• Collaborate with system, electronics, and optical engineers to ensure mechanical designs meet performance and operational requirements
• Develop and maintain comprehensive and accurate technical documentation, including design records, test reports, and validation data, ensuring compliance with configuration management and industry standards

Qualities We Value

• Bachelor's or Master's Degree in Mechanical Engineering or equivalent
• Minimum 5 years of experience in opto-mechanical design for precision systems, preferably in defense, aerospace, or photonics industries
• Strong background in CAD tools (e.g., SolidWorks, Creo) and FEA tools (ANSYS, COMSOL)
• Familiar with optical alignment methods, thermal and vibration management for sensitive optical assemblies
• Hands-on experience in optical alignment and integration is strongly preferred
• Deep understanding of optical-mechanical interface requirements
• Structured, detail-oriented mindset for engineering documentation and system integration
• Strong collaboration skills to work across optical, electronics, and systems teams
• Proactive in problem-solving and field support during testing or deployment
• Ability to work collaboratively with multidisciplinary teams toward shared objectives
• Strong analytical and troubleshooting capabilities in both lab and field settings
• Working location is in Ang Mo Kio
• Singaporeans Only

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures
• Safe space where diverse perspectives are valued, and everyone's unique contributions are celebrated
• Meaningful work and projects that make a difference in people's lives
• A fun, passionate and collaborative workplace
• Competitive remuneration and comprehensive benefits

Tell employers what skills you have

Vibration Isolation
Technical Documentation
Troubleshooting
Tolerance
System Integration
Thermal Management
Fabrication
Value Creation
Sensors
Assembly
Manufacturing
CAD
Electronics
Mechanical Engineering
ANSYS

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