Lead Mechanical Facilities Engineer, Data Centers in Mesa

Job DescriptionJob Description

We are a global data center company with over 80 data centers worldwide. We are building a next- 115 MW Data Center in Mesa AZ — and we’re looking for a strong mechanical leader to help drive operational excellence from the ground up.

This is a hands-on Lead-level role supporting advanced mechanical infrastructure within a high-performance, mission-critical environment. You’ll report directly to the Site Chief Engineer and play a key role in ensuring reliability, efficiency, and continuous improvement across the campus. This position will be a Monday-Friday standard hours salaried role, serving as an escalation point for all mechaical related maintenance on this site.

If you’re passionate about critical infrastructure, enjoy solving complex problems, and want to grow with a fast-moving organization, we’d love to connect.

What You’ll Do

As the Lead Mechanical Operations Engineer, you will:

• Oversee and support critical mechanical infrastructure across the campus
• Operate and maintain systems including:
• • CRAHs and CRACs
  • Chillers
  • Humidification and de-humidification systems
  • RTUs and CDUs
  • Water purification systems
• Identify issues and lead root cause analysis (RCA) and remediation efforts
• Coordinate preventive and corrective maintenance activities
• Oversee customer service requests with urgency and professionalism
• Perform hands-on PM/CM activities as needed
• Develop and execute MOPs, SOPs, and EOPs
• Supervise subcontractors and ensure safe, high-quality work
• Support regional reporting and customer QBRs
• Maintain accurate and timely documentation in ticketing and work order systems

This role blends technical depth, operational ownership, and leadership visibility.

What You Bring

We’re looking for a strong mechanical professional who thrives in fast-paced, mission-critical environments.

You have:

• 5+ years of experience managing data center mechanical infrastructure
• 3+ years leading or mentoring service technicians, serving as an escalation point on complex issues
• Deep knowledge of cooling and mechanical systems within a data center environment
• Experience developing and executing MOPs/EOPs/SOPs
• Ability to read single-line diagrams, technical manuals, and engineering plans
• Strong communication skills and the ability to collaborate across teams
• High attention to detail and strong organizational skills
• A mindset focused on continuous improvement and operational excellence

What Makes You Stand Out

• Experience supporting hyperscale data center environments
• Experience in pre-construction, construction, or pre-deployment phases of a data center build
• Demonstrated passion for data center technology and continued learning

Why This Role Is Exciting

• Opportunity to help shape a growing data center campus
• Direct visibility to site leadership
• Clear path toward future management opportunities
• Work in a fast-paced, high-impact environment
• Join a collaborative team committed to delivering exceptional service