Lead Mechanical Engineer, PE II – Energy & Infrastructure

ENFRA LLC; Coppell (TX); On-site; USD 117,000 - 176,000; Full time

Job summary

ENFRA LLC is seeking a Mechanical Professional Engineer II to independently apply advanced engineering techniques to design and coordinate mechanical systems for energy and infrastructure projects across campuses. You will lead portions of projects, develop code‑compliant, constructible HVAC, hydronic, and thermal plant designs while solving complex challenges.

Collaborating with multidisciplinary teams, you’ll support permitting, procurement, and field conditions, producing calculations,

Qualifications

• Bachelor's degree in architectural or mechanical engineering and PE license.
• 7+ years of design experience and advanced knowledge of mechanical systems.
• Strong problem solving, communication, and multidisciplinary coordination.

Responsibilities

• Signing and sealing engineering documents and leading design of mechanical systems.
• Developing HVAC, hydronic, and thermal plant designs for projects.
• Producing calculations, drawings, and technical specifications.
• Coordinating with internal teams and field/site visits.

Skills

Mechanical engineering

Design

Communication

Team coordination

Education

Bachelor's degree in architectural engineering, mechanical engineering, or related

Master's degree in Engineering

Tools

PE License

Job description

ENFRA LLC is seeking a Mechanical Professional Engineer II to independently apply advanced engineering techniques to design and coordinate mechanical systems for energy and infrastructure projects across campuses. You will lead portions of projects, develop code‑compliant, constructible HVAC, hydronic, and thermal plant designs while solving complex challenges.

Collaborating with multidisciplinary teams, you’ll support permitting, procurement, and field conditions, producing calculations,