Manager / Principal Engineer (Mechanical)

Job Summary

Functions as a senior technical specialist or lead in mechanical design, independently applying advanced engineering techniques and analyses to solve complex problems and develop methods.

Responsibilities

• Design mechanical process systems for water and wastewater treatment plants at concept, functional, preliminary, and detailed stages, including screening, physical-chemical, biological, blower, odour control, disinfection, and sludge treatment plants
• Design various pumping systems for water, wastewater, and sludge treatment plants across all design phases
• Design ancillary systems such as chemical feed, mechanical ventilation, and drainage systems from concept to detailed design
• Prepare General Arrangement and equipment layout drawings to support project requirements
• Develop mechanical process equipment and pump specifications aligned with project needs
• Perform mechanical equipment and pipe sizing and calculations to ensure system efficiency and compliance
• Review and evaluate vendor submissions to verify compliance with specifications and project standards
• Coordinate mechanical design activities with civil, structural, electrical, building services, and instrumentation & control disciplines to ensure integrated solutions
• Lead meetings and discussions with clients, contractors, and vendors to drive project progress and resolve issues
• Provide engineering support for bids and proposals to secure new projects
• Deliver engineering support during construction, testing, and commissioning phases to ensure design intent is met
• Prepare project cost estimates for clients to support budgeting and decision-making
• Manage design and project execution where mechanical/process scope is primary, ensuring timely and quality deliverables

Preferred competencies and qualifications

• Professional Engineer (PE) registration with the Professional Engineers Board Singapore is preferred
• University degree in mechanical engineering
• Minimum 10–15 years of experience in mechanical design for municipal and industrial wastewater treatment
• Ability to work independently to produce project deliverables within timelines
• Experience leading and guiding engineering teams and performing QA/QC on designs
• Proficient written and oral communication skills with strong interpersonal abilities

Note: Resumes may be processed by automated systems or AI tools to support screening purposes.