Mechanical Engineer PE III

ENFRA LLC•Tempe, AZ
•$134,430 - $201,923

About The Position

The Mechanical Professional Engineer III (PE III) serves as a senior technical leader responsible for the design, coordination, and delivery of complex mechanical systems for energy and infrastructure projects serving hospital and college campuses. The role leads multidisciplinary design efforts and ensures code-compliant, constructible solutions for HVAC, hydronic, and thermal plant systems. The PE III manages assigned project scopes, mentors junior engineers, and resolves complex technical and field challenges. Responsibilities also include overseeing design quality, supporting permitting and procurement, and ensuring systems meet performance, reliability, and energy-efficiency objectives within ENFRA’s design-build delivery model. The position includes signing and sealing engineering documents, managing discipline scopes, schedules, and budgets, and supporting client relationships through technical input, proposals, and engagement. Travel to job sites is expected for 10–25% of the time.

Requirements

  • Bachelor's degree in architectural engineering, mechanical engineering, or a related field.
  • 10 or more years of design experience.
  • Professional Engineer (PE) license.
  • Expert knowledge of mechanical system design and applications.
  • Strong leadership, project management, and decision-making capabilities.
  • Demonstrated ability to lead multidisciplinary teams.
  • Advanced communication and client management skills.

Nice To Haves

  • Master's degree in Engineering.
  • Experience managing large or program-level projects.
  • Experience in energy-as-a-service infrastructure delivery models.

Responsibilities

  • Sign and seal engineering documents and oversee technical quality.
  • Lead the design and execution of complex mechanical systems and large-scale projects.
  • Develop detailed system configurations and control schemes, emphasizing long-term energy savings.
  • Establish engineering approaches, design standards, and best practices.
  • Provide technical oversight and review work performed by junior staff.
  • Manage discipline scope, schedules, and budgets on projects.
  • Supervise planning for field investigations and site visits; review plans for 3D laser scanning efforts.
  • Lead coordination with clients, stakeholders, and external partners.
  • Work independently with broad authority.
  • Resolve highly complex technical and project challenges.
  • Mentor and develop junior engineers and designers.
  • Support existing client relationships through technical input, proposals, and client engagement.
  • Support permitting and procurement and ensure systems meet performance, reliability, and energy-efficiency objectives.
  • Conduct field surveys to document existing conditions and observe construction progress.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service