Principal Mechanical Engineer

Aspen Technical Staffing, Inc · Englewood, Colorado, United States

Location
Englewood, Colorado
Job Type
Full-time
Posted
May 04, 2026

Job Description

Job Title: Principal Mechanical Engineer (Contract-to-Hire)

Location: Englewood, CO (Onsite)



Position Overview

We are seeking a highly experienced Principal Mechanical Engineer to serve as a senior technical leader on complex EPC (Engineering, Procurement, and Construction) projects. This role is responsible for the design, specification, and delivery of critical mechanical systems, with a strong focus on rotating equipment, pressure vessels, and other major process equipment. The ideal candidate brings deep technical expertise, leadership capability, and the ability to collaborate across multiple engineering disciplines to ensure successful project execution.



Key Responsibilities




  • Lead the mechanical engineering scope across EPC projects from concept through detailed design, procurement, construction, and commissioning

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