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ENFRA

Mechanical Engineer, PE III

ENFRA

. Sign and seal engineering documents and oversee technical quality .

Posted 10/15/2026full-timeTempe • Arizona • United StatesSeniorLead💰 $134,430 - $201,923 per yearWebsite

About the role

Key responsibilities & impact
  • 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 focused on long-term energy savings
  • Establish engineering approaches, design standards, and best practices
  • Provide technical oversight and review of junior staff work
  • Manage discipline scope, schedules, and budgets
  • Supervise field investigations and site visits, including reviewing plans for 3D laser scanning
  • Coordinate 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 client relationships through technical input, proposals, and client engagement
  • Design, coordinate, and deliver HVAC, hydronic, and thermal plant systems for hospital and college campuses
  • Support permitting and procurement and ensure performance, reliability, code compliance, constructibility, and energy efficiency objectives

Requirements

What you’ll need
  • Bachelor's degree in architectural engineering, mechanical engineering, or related field
  • 10+ 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
  • 10–25% travel to job sites
  • Ability to perform prolonged office work at a desk and computer
  • Ability to ascend and descend stairs, ladders, ramps, and possibly scaffolding
  • Ability to complete field surveys in loud environments, extreme temperatures, and/or elevated locations
  • Ability to perform repetitive motions involving wrists, hands, and/or fingers
  • Ability to adjust or move objects up to 20 pounds
  • Preferred: Master's degree in Engineering
  • Preferred: Experience managing large or program-level projects
  • Preferred: Experience in energy-as-a-service infrastructure delivery models