Lead Mechanical Engineer for Data Center at Aecom USA

Bucharest, , Romania -

Full Time

Start Date

Immediate

Expiry Date

13 Aug, 26

Salary

0.0

Posted On

15 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

HVAC Design, Heat Rejection Systems, CFD Analysis, Hydronic Calculations, Data Center Infrastructure, Load Calculations, P&ID Development, BIM Revit, AutoCAD, Energy Efficiency, Uptime Institute Standards, Tia 942, Capacity Planning, Airflow Management, Technical Documentation, Mentoring

Industry

Civil Engineering

Description

Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. Job Description AECOM is seeking to hire a highly skilled Mechanical Electrical engineer at Senior level in the Data Center and Mission Critical team for our Bucharest office. The ideal candidate for this position should be familiar with the tech sector, mission critical and data center industry, understanding the requirements of scale, speed, and consistency in data centers. The openings are in the mechanical design engineering field. Responsibilities, required experience, and qualifications are summarized below: Here is what you will do: Data Center Heat Rejection and HVAC System Design: Developing and designing Heat Rejection and HVAC systems specifically tailored for data centers, considering factors such as type of cooling requirement as air cooled or direct fluid cooled, associated cooling loads, future flexibility of the system to accommodate variable heat distribution scenarios, phased construction and operation, airflow management, humidity control, system redundancy providing concurrent maintainability, energy efficiency, and compliance with industry standards and best practices. Cooling System Selection: Selecting appropriate air/water side cooling systems for data centers, including Fan wall units, computer room air handlers (CRAHs), chilled water systems, DX systems and CRAC units, in-row cooling, and containment solutions, based on the specific cooling requirements of the data center and the criticality of the equipment. Computational Fluid Dynamics (CFD) Analysis: Conducting internal CFD simulations to optimize airflow distribution, transient period analysis, identify hotspots, and ensure efficient cooling throughout the data center. Conducting external CFD on individual buildings and/or campus-wide to simulate effects of different electrical and mechanical components on each other and effects on design day selection criteria capacity of each component. For both types, prepare and/or direct preparation of models and analyse the results to recommend design modifications and optimize the Heat rejection and HVAC system performance. Coordinate the required changes and resulting effects with other trades on project. Redundancy and Fault Tolerance: Designing HVAC systems with redundancy and fault-tolerant features to ensure continuous operation of the data center in the event of equipment failure or maintenance activities. This includes the design of backup cooling systems, automatic switchover mechanisms, and monitoring systems. Heat Load Calculation and Capacity Planning: Performing heat load calculations for data centers to determine the cooling requirements based on the IT equipment, power density, anticipated growth, and phasing of the construction and operational steps. Conducting capacity planning to ensure the HVAC system can accommodate future expansions and upgrades. Performing HVAC loads for admin and common sections of the facility. Energy Efficiency and Sustainability: Implementing energy-efficient HVAC design strategies, such as utilizing economizers, variable speed drives, energy recovery systems, and optimizing airflow management techniques, to minimize energy consumption and support sustainability initiatives. Air Quality and Filtration: Ensuring the data center's air quality is maintained at optimal levels by designing appropriate filtration systems and implementing air quality monitoring mechanisms. Addressing concerns related to particulate matter, humidity control, and contaminant removal to protect sensitive IT equipment. Coordination with Electrical and Mechanical Systems: Collaborating with electrical engineers and mechanical engineers to integrate the heat rejection and HVAC system seamlessly with the electrical infrastructure, UPS systems, emergency power systems, fire suppression systems, and other critical infrastructure components. Qualifications Qualifications Here’s what we’re looking for: 6+years in similar field or technology sector. Proficiency in HVAC, hydronic and air side system design, including load calculations, equipment selection, hydronic calculations, ductwork and piping design, control systems, and energy analysis. Experience with internal and external computational fluid dynamics (CFD) analysis for optimizing airflow and temperature distribution is beneficial. Collaborating with electrical engineers and mechanical engineers to integrate the heat rejection and HVAC systems seamlessly with the electrical infrastructure, UPS systems, emergency power systems, fire suppression systems, and other critical infrastructure components. Experience in preparing detailed technical drawings, specifications, and documentation related to the HVAC design for data centers. Meeting and communicating design plans effectively with clients, architects, contractors, and other project stakeholders. Experience in reviewing/approving contractor shop drawings, material technical submittals, and RFIs. Experience in reviewing contractor submitted and creating Method of Procedures (MOP) and Commissioning (Cx) procedures and documents. Experience in developing air and fluid flow diagrams, P&IDs and sequence of operations (SOO) is required. Experience in understanding and interpretation of local building codes, regulations and standards. Must have excellent knowledge about data center TIER Standard Topology as per Uptime Institute, TIA 942, ANSI/BICSI 002, etc. Experience in data center mechanical and electrical equipment installation and operation is required. Must have excellent knowledge with hands on experience on related software like Carrier HAP, Trane TRACE, Ansys, IES, Six Sigma, TileFlow, Pipe-Flo, Cradle, NavisWorks, BIM(Revit), AutoCAD or similar Candidate with data center and/or mission critical facilities design and/or consultancy background with experience in large scale greenfield data center mechanical systems design will be preferred. Experience of directing and mentoring junior engineers. Qualification: Education: A bachelor's degree in mechanical engineering, HVAC engineering, or a related field from an accredited university is typically required. Preference would be given to candidates with a master's degree or advanced coursework in HVAC systems or energy management. Professional certifications related to HVAC engineering would be advantageous. Additional Information At AECOM, you will have freedom to grow in a world of opportunity Our Freedom to Grow hybrid working philosophy is the cornerstone of our success as a business – supporting a culture of flexibility, trust and performance at AECOM. #LI-IP1 About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. State/Province: Bucureşti Business Group: DCS Legal Entity: AECOM Engineering & Construction Romania S.R.L. Business Line: Building Engineering Work Location Model: Hybrid Operating Group: Group Support Primary Location: RO - Bucharest, 11-15 Tipografilor S

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Responsibilities

Design and optimize heat rejection and HVAC systems specifically for data centers, ensuring redundancy and energy efficiency. Conduct CFD simulations and collaborate with electrical engineers to integrate cooling systems with critical infrastructure.