Assistant Manager, Process & Mechanical (Power Plant & Utilities)

SembCorp Utilities Pte. Ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Sembcorp Utilities Pte. Ltd. is seeking a seasoned engineer to lead front-end engineering design for power plants and centralized utility facilities.

You will develop process deliverables and ensure compliance with safety and quality standards. Take a lead role in thermal and hydraulic calculations, equipment selection, and cost estimation, while coordinating with multi-discipline teams to meet schedule and budget targets.

Qualifications

• Bachelor’s degree in chemical or mechanical engineering or equivalent.
• Minimum of 5-8 years of experience in engineering and project management within the energy sector.
• Experience in Combined Cycle Power Plant (CCPP) and Utilities projects engineering is required.
• Proficiency in multiple energy resource simulation and optimization tools is advantageous.
• Experience in project development and execution is preferred.

Responsibilities

• Perform Front-End Engineering Design (FEED) and basic process design for power plants, centralized utility facilities, water systems, mechanical systems, and HVAC systems for data centers and process plants.
• Develop key engineering deliverables including P&IDs, heat and mass balance, process flow diagrams, operating/control philosophies, overall supply schemes, layouts, equipment specifications, LCOE, etc.
• Design and specify mechanical systems such as pumps, compressors, heat exchangers, cooling towers, absorption chillers, and chilled water systems for large-scale facilities including data centers, industrial process plants, power plants, centralized utility facilities, water systems, and mechanical systems.
• Perform thermal and hydraulic calculations for process and mechanical systems to ensure optimal design and performance.
• Lead and continuously improve internal engineering best practices and procedures to ensure high-quality deliverables for project support.
• Oversee and coordinate process design and inter-discipline reviews with a focus on safety, quality, performance, reliability, and operational flexibility, while optimizing project and lifecycle costs.
• Conduct engineering activities during conceptual engineering and project development including pre-feasibility/feasibility studies, technical due diligence, cost estimation, site survey, technical proposal to customer, project/EPC scoping strategy, vendor selection and review, determine LCOE, budgetary quotation review and clarifications, and related technical support.
• Evaluate emerging technologies and innovative engineering solutions for potential application.
• Participate in project execution phases including development of Scope of Work, Design Memoranda, Minimum Functional Specifications, technical tender evaluations, design clarifications, and resolution of site-related issues during installation, testing, and commissioning.
• Participate in HAZOP, QRA, EIA studies.
• Review and approval of detailed design submitted by Contractors and ensure compliance with Standards and all the company best practices.
• Proficient in process simulation and mechanical design tools; hands-on experience in Thermoflow, Flowmaster, AFT software preferred; familiarity with mechanical design codes (ASME, API, ISO) and HVAC standards essential.
• Establish system and documentation for company engineering standards & specification, ITP, approved vendor/manufacturer list, material specifications, discipline’s schedule of rates and cost estimate template, engineering checklists etc.
• Ensure all activities carried out are in full compliance with all regulatory and authority requirements.
• Ensure engineering support is provided in a timely manner to all stakeholders through resource planning, close collaboration with disciplined engineers and team members, contractor management, etc.
• Where applicable, provide training and guidance to other team members.

Skills

Critical thinking

Teamwork

Analytical communication

Leadership

Independent

Stakeholder liaison

Education

Bachelor’s degree in chemical or mechanical engineering

Tools

Thermoflow

Flowmaster

AFT software

ASME

API

ISO

Job description

About Sembcorp

Sembcorp is a leading energy and urbansolutions provider headquartered in Singapore. Led by its purpose to drive energy transition, Sembcorp delivers sustainable energy solutions and urban developments by leveraging its sector expertise and global track record.

Join us in shaping a sustainable energy future

Drive Asia’s energy transition with us! OurGas & Related Servicessegment is a key growth engine, deliveringreliableand efficientenergy to industries and communities acrossmultiple countries. We support Asia’s growing energy needs while advancing the shift to a lower-carbon future.

Key Roles and Responsibilities

• Perform Front-End Engineering Design (FEED) and basic process design for power plants, centralized utility facilities, water systems, mechanical systems (e.g., piping, pressure vessels, rotating equipment), and HVAC systems for data centers and process plants.
• Develop key engineering deliverables including P&IDs, heat and mass balance, process flow diagrams, operating/control philosophies, overall supply schemes, layouts, equipment specifications, LCOE, etc.
• Design and specify mechanical systems such as pumps, compressors, heat exchangers, cooling towers, absorption chillers, and chilled water systems for large‑scale facilities including data centers, industrial process plants, power plants, centralized utility facilities, water systems, and mechanical systems (e.g., piping, pressure vessels, rotating equipment).
• Perform thermal and hydraulic calculations for process and mechanical systems, including heat exchangers, piping networks, pumps, compressors, cooling towers, absorption chillers, and chilled water systems to ensure optimal design and performance.
• Lead and continuously improve internal engineering best practices and procedures to ensure high‑quality deliverables for project support.
• Oversee and coordinate process design and inter‑discipline reviews with a focus on safety, quality, performance, reliability, and operational flexibility, while optimizing project and lifecycle costs.
• Conduct engineering activities during conceptual engineering and project development including but not limited to pre‑feasibility/ feasibility studies, technical due diligence, cost estimation, site survey, technical proposal to customer, project / EPC scoping strategy, vendor selection and review, determine LCOE, budgetary quotation review and clarifications, and all related technical support and solutions etc.
• Evaluate emerging technologies and innovative engineering solutions for potential application.
• Participate in project execution phases including development of Scope of Work, Design Memoranda, Minimum Functional Specifications, technical tender evaluations, design clarifications, and resolution of site‑related issues during installation, testing, and commissioning.
• Participate in HAZOP, QRA, EIA studies.
• Review and approval of detailed design submitted by Contractors and ensure compliance with Standards and all the company best practices.
• Proficient in process simulation and mechanical design tools; hands‑on experience in Thermoflow, Flowmaster, AFT software preferred; familiarity with mechanical design codes (ASME, API, ISO) and HVAC standards essential.
• Establish system and documentation for company engineering standards & specification, ITP, approved vendor/manufacturer list, material specifications, discipline’s schedule of rates and cost estimate template, engineering checklists etc.
• Ensure all activities carried out are in full compliance with all regulatory and authority requirements.
• Ensure engineering support is provided in a timely manner to all stakeholders through resource planning, close collaboration with disciplined engineers and team members, contractor management, etc.
• Where applicable, provide training and guidance to other team members.

Key Decisions & Dimensions

• All activities in full compliance with all legal / authority requirements.
• All projects (development and execution) are to be designed, executed and performed to a high quality at competitive costs, safely, within schedule, within budget and meet Sembcorp and industry quality requirements.
• All value engineering and strategic plans developed shall ensure Capex remains competitive, is sustainable and meets the company’s business and operational needs.
• All developed and accumulated knowledge / value must be systematically retained within company

Qualifications & Experience

• Bachelor’s degree in chemical or mechanical engineering, or equivalent.
• Minimum of 5-8 years of experience in engineering and project management within the energy sector.
• Experience in Combined Cycle Power Plant (CCPP) and Utilities projects engineering is required.
• Proficiency in multiple energy resource simulation and optimization tools is advantageous.
• Experience in project development and execution is preferred.

Skills / Competencies & Preferred Characteristics

• Demonstrate critical thinking skills, positive attitude, teamwork, analytical communication skills, leadership skills.
• Able to work independently and as a good team player in a deadline‑driven team environment.
• Liaise and maintain good working relationships with stakeholders.

Our Culture at Sembcorp

At Sembcorp, our culture is shaped by a strong set of shared behaviours that guide the way we work and uphold our commitment to driving the energy transition.

We foster an institution‑first mindset, where the success of Sembcorp takes precedence over individual interests. Collaboration is at the heart of what we do, as we work seamlessly across markets, businesses, and functions to achieve our goals together. Accountability is a core principle, ensuring that we take ownership of our commitments and deliver on them with integrity and excellence. These values define who we are and create a workplace where our people can thrive while making a meaningful impact on driving energy transition.

Join us in making a real impact!