Mechanical Design Manager
Petaling Jaya , Selangor
|Onsite
|Direct hire
Petaling Jaya, Selangor
|Onsite
|Direct hire
Job ID 8046|Posted Jan 14, 2026
JOB DESCRIPTION
About Horizontal: Established since 2003 in the US, Horizontal solves complex challenges across two distinct businesses: Horizontal Digital and Horizontal Talent. We are consistently recognized for being a top workplace and one of the fastest growing private companies. Horizontal Talent specializes in staffing for IT, Digital & Creative and Business & Strategy markets. We have global offices in US, UAE, India, Malaysia and Australia.
Job Summary:
Key Responsibilities:
Job Summary:
- Oversees and leads the mechanical engineering design for large-scale data centre projects, ensuring high-performance, reliable, and energy-efficient mechanical systems.
- This role manages the design of critical cooling infrastructure—including chilled water, DX systems, CRAC/CRAH, ventilation, heat rejection, and mechanical plant rooms—while coordinating with architects, electrical teams, civil/structural engineers, and hyperscaler/client requirements.
- Ensures all mechanical designs meet Tier III/IV standards, Uptime Institute guidelines, and the fast-track delivery demands typical of mission-critical data centre construction.
Key Responsibilities:
- Lead and manage the full mechanical design process for data centres from concept to detailed design.
- Develop mechanical design strategies based on cooling load, redundancy (N+1, N+2), energy efficiency, and client specifications.
- Ensure systems comply with relevant standards (ASHRAE, Uptime Institute, local codes).
- Oversee design of chilled water systems, direct expansion systems, CRAH/CRAC units, adiabatic/evaporative cooling, and heat rejection systems.
- Perform load calculation, equipment sizing, and system optimization for mission-critical cooling.
- Coordinate closely with electrical, architectural, C&S, fire protection, and ICT teams for seamless MEP integration.
- Work with BIM teams to validate mechanical design accuracy in federated models.
- Align design deliverables across consultants, contractors, and vendors.
- Review design drawings, equipment selections, specifications, and technical submissions.
- Conduct value engineering to optimize performance and cost efficiency.
- Ensure mechanical systems provide required maintainability, accessibility, and reliability.
- Evaluate and approve mechanical equipment from OEMs (chillers, cooling towers, pumps, CRAH/CRAC, AHUs, etc.).
- Ensure vendor designs integrate properly into the overall project.
- Provide technical support during installation, testing, and commissioning phases.
- Respond to RFIs, coordinate design clarifications, and resolve site issues.
- Ensure installation follows mechanical design intent and meets commissioning requirements.
- Prepare and manage mechanical design reports, basis of design (BoD), and technical documentation.
- Ensure all design documentation aligns with client/hyperscaler standards and project BEP.
- Support final handover, as-built documentation, and operational readiness.
Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer.
We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.
In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact us.
All applicants applying must be legally authorized to work in the country of employment.
We're sorry!
Applications from candidates outside of our global target markets are currently not accepted through Job Board - but that could change in the future. We will update Job Board if we expand to your market. Do you have other candidate related questions? Contact us today.
We're sorry!
Applications outside of the assigned country are currently not accepted for this job - but that doesn't mean we can't work with you. Visit our Job Board to view the jobs available within your market.
Access denied.
Users logged in to client accounts are unable to access Job Board. If you are interested in viewing and applying for open jobs, please log out of your current account. If you are a hiring manager interested in viewing candidates available to hire, click below to go to Talent Board.