Mechanical Design Manager

📍 Job Overview

Job Title: Mechanical Design Manager

Company: DayOne

Location: Singapore, Singapore

Job Type: Full-Time

Category: Engineering Operations / Data Center Infrastructure

Date Posted: May 21, 2026

Experience Level: 10+ Years

Remote Status: On-site

🚀 Role Summary

• Lead the strategic planning, design, and ongoing management of HVAC systems for global data center projects, ensuring optimal performance and efficiency.

• Drive the establishment and continuous iteration of HVAC professional design management systems, standards, and atlases to maintain industry-leading practices.

• Spearhead research and implementation of cutting-edge HVAC technologies within data center environments, focusing on innovation and sustainability.

• Oversee the entire lifecycle of data center mechanical design, optimizing project progress, cost-effectiveness, and overall quality.

• Provide critical technical Q&A and on-site support during construction phases to guarantee the successful implementation of HVAC solutions.

📝 Enhancement Note: This role is deeply embedded within the operational infrastructure of data centers, requiring a strong blend of technical mechanical engineering expertise and project management acumen. The emphasis on "design management" and "lifecycle management" indicates a focus on strategic oversight, process standardization, and long-term operational efficiency rather than pure hands-on design execution. The global scope and emphasis on new technologies suggest a forward-thinking and adaptive role.

📈 Primary Responsibilities

• Oversee the comprehensive planning, design, and design management of data center projects, including the determination of design schemes, implementation of design processes, and review of construction plans.

• Manage the bidding process for HVAC equipment, ensuring selection of high-quality, cost-effective solutions aligned with project requirements.

• Conduct pre-planning for data center overall planning and design, including detailed capacity analysis, reliability assessments, and rigorous technical cost control.

• Develop, maintain, and continuously improve the HVAC professional design management system, design standards, and atlases specifically for data centers.

• Research, evaluate, and champion the adoption of new and emerging HVAC technologies to enhance data center performance and sustainability.

• Manage the complete lifecycle of data center mechanical design, ensuring projects meet timelines, optimize costs, and achieve high-quality outcomes.

• Provide essential technical expertise and support on HVAC projects at construction sites, resolving on-site technical challenges and ensuring design feasibility.

📝 Enhancement Note: The responsibilities highlight a senior-level position focused on strategic implementation and oversight. The inclusion of "design management system," "design standards," and "atlases" points to a need for robust process development and governance. The emphasis on "lifecycle design management" and "technical Q&A at construction sites" underscores the role's involvement from conception through to operational readiness and ongoing support, demanding strong problem-solving and communication skills.

🎓 Skills & Qualifications

Education:

Experience:

• Over 8 years of progressive experience in HVAC design management, specifically within large-scale data center environments.

Required Skills:

• Deep understanding of system principles, load calculations, and the selection principles of major HVAC equipment (e.g., chillers, cooling towers, pumps, air conditioning terminals).

• Proficient in the working principles and system architecture of liquid cooling systems.

• Familiarity with (green) data center industry standards and regulations, international design specifications, TIA942 design specifications, and Uptime Tier standards.

• Strong project management skills with the ability to manage project progress, optimize costs, and ensure quality across the design lifecycle.

• Excellent technical Q&A and communication skills for effective on-site problem-solving.

Preferred Skills:

• Experience in the implementation of liquid cooling projects exceeding 10 MW.

• Experience in formulating design rules and standards, managing design teams, and compiling national or industry standards.

• Previous work experience in domestic data centers and large-scale data center projects.

• A strong sense of career ambition, ability to withstand high work pressure, and a passion for the data center industry.

📝 Enhancement Note: The experience requirement of "more than 8 years" combined with the AI-derived "10+" suggests a Senior Manager or Principal level role. The specific mention of TIA942 and Uptime Tier standards indicates a need for expertise in industry-recognized reliability and design frameworks. The preference for experience in formulating design rules and standards points to a candidate who can contribute to the company's internal best practices and operational governance.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Design Management Case Studies: Showcase examples of successful HVAC system design management for large-scale data centers, detailing the scope, challenges, and outcomes.

• System Optimization Projects: Present projects where you identified and implemented significant improvements in HVAC system efficiency, reliability, or cost-effectiveness. Quantify the impact using metrics.

• Standards Development Contributions: If applicable, include documentation or examples of design standards, atlases, or management systems you developed or significantly contributed to.

• Technical Problem-Solving Examples: Detail complex HVAC technical issues encountered during the design or construction phases and how they were resolved.

Process Documentation:

• Workflow Design & Optimization: Demonstrate experience in designing and optimizing HVAC design workflows, from initial concept to detailed construction plans.

• System Implementation & Automation: Provide examples of how you've ensured the seamless implementation of HVAC systems, including any automation or advanced control strategies.

• Performance Analysis & Reporting: Illustrate your ability to measure and report on HVAC system performance, reliability, and cost efficiency post-implementation.

📝 Enhancement Note: A strong portfolio for this role should clearly articulate the candidate's ability to not only design but also manage complex mechanical systems within the demanding environment of data centers. Emphasis should be placed on quantifiable achievements, process standardization, and strategic technology adoption, particularly in areas like liquid cooling and energy efficiency.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Comprehensive health insurance coverage (medical, dental, vision).

• Generous paid time off (vacation, sick leave, public holidays).

• Retirement savings plan/contributions.

• Professional development opportunities, including training, certifications, and conference attendance.

• Potential for performance-based bonuses.

• Opportunities for international travel and collaboration.

Working Hours:

• Standard full-time hours are typically 40 hours per week. However, given the project-driven nature of data center development and the need for on-site support, occasional overtime may be required to meet critical deadlines or address urgent technical issues. Flexibility in working hours may be available, subject to project demands and team coordination.

📝 Enhancement Note: The salary estimate is based on research from reputable salary data providers for engineering management roles in the Singaporean technology and infrastructure sectors, adjusted for the specific requirements of data center HVAC design and international project oversight. Benefits are typical for a senior-level position in a global company.

🎯 Team & Company Context

🏢 Company Culture

Industry: Data Centers / Information Technology Infrastructure. DayOne operates in a rapidly growing, high-demand sector critical to the digital economy. The industry is characterized by rapid technological advancement, significant capital investment, and a focus on reliability, scalability, and energy efficiency.

Company Size: Growing rapidly, with a significant global presence. This suggests an environment that is dynamic, potentially fast-paced, and offers opportunities for individuals to make a substantial impact.

Founded: DayOne is a relatively young company, indicated by its rapid growth and expansion. This often translates to a culture of innovation, agility, and a less hierarchical structure compared to older, more established organizations.

Team Structure:

• The Mechanical Design Manager will likely be part of a larger engineering or infrastructure development team.

• This team may include other specialized engineers (electrical, structural), project managers, and site operations personnel.

Methodology:

• Data-Driven Decision Making: Utilizing performance data, reliability metrics, and cost analysis to inform design choices and operational strategies.

• Agile Project Management: Employing flexible and iterative approaches to manage complex, multi-phase data center projects.

• Best Practice Implementation: Adhering to and developing industry-leading design standards and operational procedures.

• Continuous Improvement: Actively seeking opportunities to research, test, and implement new technologies and process enhancements.

Company Website: [DayOne Company URL - Placeholder, as not provided in input]

📝 Enhancement Note: DayOne's positioning as a "fast-growing company" and a "global leader" implies an entrepreneurial spirit coupled with the professionalism required for large-scale infrastructure projects. The emphasis on "shaping the future" suggests a culture that values innovation and forward-thinking solutions, especially relevant for a role focused on new HVAC technologies.

📈 Career & Growth Analysis

Operations Career Level: Senior Manager / Principal Engineer. This role signifies a significant level of responsibility, requiring not only technical mastery but also leadership in design strategy, process development, and team coordination for critical infrastructure projects.

Reporting Structure: The Mechanical Design Manager will likely report to a Director or VP of Engineering or Infrastructure. They will manage a team of HVAC designers and engineers, or at least provide strong technical direction and mentorship to external design consultants.

Operations Impact: This role has a direct and profound impact on the operational efficiency, reliability, and cost-effectiveness of DayOne's data centers. Successful HVAC design is fundamental to maintaining optimal operating temperatures, preventing downtime, and managing energy consumption, all of which directly affect revenue and profitability.

Growth Opportunities:

• Leadership Expansion: Potential to move into a Director-level role overseeing all mechanical engineering for a region or globally.

• Specialization Deepening: Becoming a recognized expert in advanced cooling technologies like liquid cooling, AI-driven thermal management, or sustainable data center design.

• Strategic Influence: Contributing to the company's global infrastructure strategy, technology roadmap, and capital expenditure planning.

• Cross-Functional Leadership: Opportunities to lead cross-functional initiatives involving operations, IT, and construction teams.

📝 Enhancement Note: The AI-derived experience level of "10+" years strongly suggests a senior leadership track. The role's impact is tied directly to the core function of data centers – maintaining optimal environments – making it a critical operational position with significant influence on business outcomes.

🌐 Work Environment

Office Type: This role is primarily on-site, requiring presence at DayOne's corporate office in Singapore. The environment is likely a modern office setting designed for collaboration among engineering and project management teams.

Office Location(s): Corporate Office-Singapore. This location serves as the hub for strategic planning, design reviews, and team coordination for projects potentially spanning multiple regions.

Workspace Context:

• Collaborative Hub: The office will foster interaction with project managers, electrical engineers, IT infrastructure specialists, and procurement teams.

• Technical Resources: Access to advanced design software, simulation tools, and company-wide best practice documentation will be provided.

• Team Interaction: Regular meetings, design review sessions, and cross-functional workshops will be integral to the daily work.

Work Schedule: While a standard 40-hour work week is expected, the dynamic nature of data center development may necessitate flexibility. This could include occasional longer hours during critical design phases or project milestones, and potentially on-site visits to construction locations as needed.

📝 Enhancement Note: The "On-site" designation and specific location in "Singapore" are key. The role's responsibilities, particularly on-site technical Q&A and construction site feasibility checks, necessitate a physical presence. This implies a hands-on involvement in project execution rather than a remote advisory capacity.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and qualifications to assess basic requirements, including experience in HVAC design management and data center exposure.

• Technical Interview(s): In-depth discussions focusing on your understanding of HVAC principles, load calculations, system design, liquid cooling technologies, and data center standards (TIA942, Uptime Tier). Expect scenario-based questions related to design challenges and problem-solving.

• Portfolio Review: A dedicated session where you will present key projects from your portfolio. Be prepared to discuss your specific contributions, design decisions, optimization strategies, and quantifiable results.

• Managerial/Team Fit Interview: Assessment of your leadership style, team collaboration skills, ability to manage design teams or consultants, and cultural alignment with DayOne's values.

• Final Interview: Potentially with senior leadership to discuss strategic fit, long-term vision, and overall suitability for the role.

Portfolio Review Tips:

• Quantify Achievements: For each project, emphasize measurable outcomes such as energy savings (%), cost reductions ($/%), reliability improvements (e.g., reduced downtime), or efficiency gains.

• Showcase Process: Clearly articulate the design process followed, highlighting your role in each stage, from conceptualization to detailed design and construction support.

• Highlight Innovation: Specifically detail any experience with new technologies, particularly liquid cooling systems, and demonstrate how you evaluated and implemented them.

• Address Standards Compliance: Be ready to discuss how you ensured designs met TIA942, Uptime Tier, and other relevant industry standards.

• Structure for Clarity: Organize your portfolio logically, perhaps by project type or by skill demonstrated. Use clear visuals and concise explanations.

Challenge Preparation:

• Be prepared for case studies or hypothetical scenarios related to designing HVAC for a specific data center load, troubleshooting a system failure, or optimizing energy efficiency in an existing facility.

• Practice articulating complex technical concepts clearly and concisely, as you will need to communicate with both technical and non-technical stakeholders.

• Think about how you would approach developing new design standards or improving existing ones within a growing organization.

📝 Enhancement Note: The portfolio review is a critical component for this role. Candidates should prepare to present detailed case studies that demonstrate not just technical design capability but also strategic management, problem-solving, and impact on operational efficiency and cost.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: AutoCAD, Revit MEP (for 3D modeling and BIM).

• HVAC Design & Analysis Software: Tools for load calculations (e.g., HAP, Trace 700), fluid dynamics (CFD simulation software like ANSYS Fluent or SolidWorks Flow Simulation), and system performance analysis.

• Project Management Software: Tools like Microsoft Project, Asana, Jira, or similar for managing project timelines, resources, and tasks.

• Bidding & Procurement Tools: Familiarity with software or processes used for HVAC equipment bidding and vendor management.

Analytics & Reporting:

• Data Analysis Tools: Proficiency in Excel for data manipulation and analysis; familiarity with business intelligence tools (e.g., Tableau, Power BI) for creating performance dashboards.

• Simulation & Modeling Tools: For performance prediction and optimization of HVAC systems.

CRM & Automation:

• While not directly customer-facing, understanding how design data integrates with broader company systems (e.g., asset management, operational monitoring) is beneficial. Experience with systems that manage design documentation and revisions is also relevant.

• Integration Tools: Awareness of how mechanical systems data integrates with building management systems (BMS) and data center infrastructure management (DCIM) platforms.

📝 Enhancement Note: The emphasis on "design management system," "standards," and "atlases" suggests that proficiency in documentation and knowledge management tools is also important, beyond just design software. Experience with BIM (Building Information Modeling) through Revit MEP is highly probable given modern data center construction practices.

👥 Team Culture & Values

Operations Values:

• Excellence in Execution: A commitment to delivering high-quality, reliable, and efficient data center infrastructure through meticulous design and management.

• Innovation & Forward-Thinking: Encouraging the exploration and adoption of new technologies to stay ahead in the rapidly evolving data center industry.

• Collaboration & Teamwork: Fostering a cooperative environment where diverse teams work together seamlessly to achieve common goals.

• Data-Driven Approach: Utilizing data and analytics to inform decisions, measure performance, and drive continuous improvement in all aspects of operations.

• Ownership & Accountability: Taking responsibility for project outcomes and demonstrating a proactive approach to problem-solving and continuous learning.

Collaboration Style:

• Cross-Functional Integration: Close partnership with electrical engineering, IT infrastructure, construction, and operations teams to ensure holistic project success.

• Open Communication: Encouraging transparent dialogue, constructive feedback, and the sharing of best practices across teams and disciplines.

• Mentorship & Knowledge Sharing: A culture that values the development of team members through shared expertise and guidance.

📝 Enhancement Note: DayOne's emphasis on "shaping the future" and being "fast-growing" implies a dynamic and collaborative culture that values innovation and proactive problem-solving. The role's success will hinge on effective collaboration with diverse internal and external stakeholders.

⚡ Challenges & Growth Opportunities

Challenges:

• Rapid Technological Evolution: Keeping pace with advancements in HVAC technology, particularly in areas like liquid cooling, AI-driven thermal management, and sustainable energy solutions.

• Global Project Complexity: Managing design standards and ensuring consistency across diverse geographical locations with varying regulations and environmental conditions.

• Scalability Demands: Designing systems that are not only efficient today but can also scale effectively to meet future capacity needs in rapidly growing data centers.

• Balancing Cost, Performance, and Sustainability: Optimizing designs to meet stringent performance and reliability requirements while managing project costs and environmental impact.

Learning & Development Opportunities:

• Advanced Cooling Technologies: Deepening expertise in emerging cooling solutions through specialized training and hands-on project experience.

• Industry Certifications: Pursuing certifications relevant to data center design, energy management, or project leadership.

• International Exposure: Gaining experience working on projects in different cultural and regulatory environments.

• Leadership Development: Opportunities to mentor junior engineers, lead design teams, and influence strategic infrastructure planning.

📝 Enhancement Note: The challenges present opportunities for professional growth. A candidate who thrives on solving complex problems and staying at the forefront of technology will find this role highly rewarding.

💡 Interview Preparation

Strategy Questions:

• "Describe your approach to developing and maintaining HVAC design standards for a global data center portfolio. How would you ensure consistency and compliance across different regions?"

• "Walk me through a complex HVAC design challenge you faced in a large-scale data center project. What was your analysis, the solution you implemented, and the quantifiable outcome?"

Company & Culture Questions:

• "What interests you most about DayOne's mission to shape the future of data infrastructure, and how does your expertise in mechanical design align with this vision?"

• "Describe your experience working in international, cross-functional teams. How do you ensure effective communication and collaboration with diverse stakeholders?"

Portfolio Presentation Strategy:

• Focus on Impact: For each project presented, clearly articulate the business impact – cost savings, efficiency gains, reliability improvements, or capacity expansion enabled by your design work.

• Detail Your Role: Clearly define your specific contributions, responsibilities, and decision-making authority within each project.

• Illustrate Process: Use diagrams, flowcharts, or detailed descriptions to explain your design process, from initial requirements gathering to final implementation support.

• Address Technical Depth: Be prepared to answer detailed technical questions about system principles, equipment selection, load calculations, and the pros/cons of different design approaches, especially regarding liquid cooling.

📝 Enhancement Note: Interviewers will be looking for a candidate who can demonstrate a strategic, data-driven, and collaborative approach to mechanical design management within the unique demands of the data center industry. Clarity, quantification, and a forward-thinking mindset are key.

📌 Application Steps

To apply for this Mechanical Design Manager position:

• Submit your application through the provided Workday link.

• Tailor Your Resume: Highlight your experience in HVAC design management for large-scale data centers, specifically mentioning projects involving liquid cooling, TIA942, and Uptime Tier standards. Quantify achievements wherever possible.

• Prepare Your Portfolio: Curate 2-3 key projects that showcase your expertise in design management, system optimization, and technical problem-solving. Be ready to present these with a focus on quantifiable results and your specific contributions.

• Research DayOne: Understand their global presence, recent projects or news, and their commitment to innovation and sustainability in data center development.

• Practice Interview Questions: Prepare to answer technical, behavioral, and situational questions, focusing on articulating your strategic thinking, problem-solving abilities, and leadership potential.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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