Senior Mechanical Engineer, PE II – Energy & Infrastructure

ENFRA LLC; Tempe (AZ); 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 for mechanical systems on energy infrastructure projects. You will design, coordinate, and deliver constructible HVAC, hydronic, and thermal plant solutions for complex facilities while collaborating with multidisciplinary teams and supporting permitting, procurement, and on-site integration.

The role demands a PE license, 7+ years of design experience, and strong communication and

Qualifications

• Bachelor's degree in architectural engineering, mechanical engineering, or related.
• 7+ years of design experience
• Professional Engineer (PE) License
• Advanced knowledge of mechanical systems and design practices
• Strong problem-solving and decision-making skills
• Experience coordinating multidisciplinary deliverables
• Strong communication and technical writing skills

Responsibilities

• Signing and sealing engineering documents.
• Leads design and analysis of mechanical systems for projects of moderate complexity.
• Develops project deliverables including calculations, drawings, and technical specifications.
• Improves existing systems and supports development of new solutions.
• Prepares detailed system configurations and control schemes with emphasis on long-term energy savings.
• Conducts field investigations and supports site visits. Coordinates and plans 3D laser scanning effort.
• Coordinates with internal disciplines and supports construction-phase activities.
• Performs work with a high degree of latitude.
• Resolves complex technical issues independently.
• Provides informal mentorship to junior engineers and designers.
• Interfaces directly with clients on technical matters.
• May act as task lead or discipline lead on projects.

Skills

Mechanical design

Project coordination

Technical writing

Client communication

Field surveys

Education

Bachelor's degree in mechanical engineering

Professional Engineer (PE) License

Job description

ENFRA LLC is seeking a Mechanical Professional Engineer II to independently apply advanced engineering techniques for mechanical systems on energy infrastructure projects. You will design, coordinate, and deliver constructible HVAC, hydronic, and thermal plant solutions for complex facilities while collaborating with multidisciplinary teams and supporting permitting, procurement, and on-site integration.

The role demands a PE license, 7+ years of design experience, and strong communication and