Mechanical Engineer – HVAC & Critical Facilities

AECOMs Enterprise Capabilities is seeking a Mechanical Engineer to join the Mechanical Engineering team in Milan Italy.
The position is suited for engineers with around 5 years of experience in HVAC and mechanical building services with exposure to data centers or mission-critical facilities.

The role focuses on the design and coordination of HVAC and cooling systems supporting data center and critical infrastructure projects within multidisciplinary teams.

Key Responsibilities

• Support the design of HVAC and heat rejection systems for data centers and mission-critical environments considering cooling loads redundancy concepts flexibility for phased expansion airflow management humidity control and energy efficiency.
• Contribute to the selection and layout of cooling solutions such as CRAH/CRAC units chilled water systems DX systems in-row cooling fan wall units and basic containment strategies based on project requirements.
• Perform cooling and heating load calculations using industry tools under the supervision of senior engineers when required.
• Assist in the design of chilled water plants precision cooling systems and mechanical ventilation systems including preliminary equipment sizing and component selection.
• Prepare and support the development of technical drawings specifications calculation notes and reports in English.
• Develop HVAC schematics basic system architectures single-line control diagrams and P&IDs for mechanical systems.
• Support HVAC system modeling in Revit coordinate with other disciplines and assist with clash detection activities using Revit and/or Navisworks.
• Work closely with electrical architectural and structural teams to ensure coordinated and integrated design solutions.
• Stay updated on data center cooling technologies HVAC best practices and applicable international standards.

Qualifications :

• Bachelors degree in Mechanical Engineering.
• Approx. 5 years of professional experience in HVAC and mechanical systems design for buildings industrial or critical facilities.
• Exposure to data center mission-critical or high-reliability HVAC systems.
• Familiarity with HVAC and mechanical ventilation system design Chilled water systems and basic cooling plant Thermal load calculations and equipment sizing and ASHRAE and general HVAC design standards.
• Working knowledge of design tools such as AutoCAD and/or mechanical calculation software.
• Working knowledge of Revit for HVAC modeling.

• Familiarity with data center design guidelines (e.g. Uptime Institute TIA-942 ANSI/BICSI).
• Exposure to installation or commissioning phases of HVAC systems.
• Basic understanding of control strategies and sequences of operation.
• Awareness of energy efficiency and sustainability principles.
• Ability to work in multidisciplinary project teams.
• Good level of English written and spoken.
• Any relevant certifications (data center energy sustainability) are a plus but not required.

Additional Information :

What We Offer

AECOM: A World of Opportunities and Benefits

• Attractive Compensation Package: We offer a competitive salary along with a range of exclusive benefits including hybrid work meal vouchers welfare program resources for personal well-being and mental health gym memberships health insurance laptop smartphone employee assistance program business travel insurance service recognition awards and a pension savings plan.

• Office in the Heart of Milan: Central location with easy access to all the citys conveniences.

• Work Flexibility: We offer flexible work options to help you maintain an optimal work-life balance.

• Public Transport Allowances: We help cover the costs of your daily commute.

• Culture of Equity Diversity and Inclusion in Welcoming Workplaces:  Our culture promotes a welcoming and respectful work environment. AECOM Italy has obtained gender equality certification.

• Professional Growth and Development: We invest in your future with training and development programs to help you achieve your career goals.

This offer is open to all genders in compliance with legislative decree 198/2006 and to people of all ages and nationalities according to legislative decrees 215/03 and 216/03.

Remote Work :

No

Employment Type :

Full-time