L5 Mission Critical

Critical Environments Talent

Careers at L5 Mission Critical

L5 Mission Critical is building a nationwide team of critical environments professionals to support mission critical facilities at the center of the AI infrastructure build-out, backed by decades of facilities management experience and the resources of an established national construction enterprise.

Areas We're Hiring

Roles Across the Data Center Lifecycle

We hire for the full scope of critical operations work, from live facility engineering to commissioning and retrofit project management.

Critical Operations & Engineering

  • Facility & chief engineers
  • BMS technicians
  • EHS & site administration

Commissioning

  • Commissioning engineers
  • Commissioning technicians
  • Start-up & energization specialists

Project Management

  • Retrofit & capacity expansion PMs
  • MEP trade coordinators
  • Site readiness leads

Also hiring

Professionals with data center experience in Human Resources, Sourcing & Procurement, Finance, Marketing & Communications, Business Development, Legal, and Reliability.

Why L5

A Career Path Built for the Long Term

We're building L5's culture and leadership team from the ground up, with a genuine path for people who want to grow with us.

A vertical career path from technician to leadership
An employer-sponsored certification and training program tied to a credential ladder
The backing and stability of a company owned by an established construction enterprise
A bridge program for construction professionals moving into data center facilities management roles

Submit Your Resume

Interested in joining our team? Send Us Your Resume. We will reach out to you with open opportunities at L5 Mission Critical.