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
Design, specify, and review rotating equipment including pumps, compressors, and turbines, as well as pressure vessels and related mechanical systems
Ensure all mechanical designs comply with applicable industry codes and standards (e.g., ASME, API)
Collaborate closely with process engineering teams to interpret operating conditions and translate them into robust mechanical design solutions
Coordinate with multidisciplinary teams including piping, electrical, structural, and project management to ensure integrated project delivery
Review and approve vendor drawings, technical bids, and equipment datasheets for accuracy, completeness, and compliance
Provide technical leadership, mentorship, and quality oversight to junior and mid-level engineers
Support procurement activities, including vendor evaluations and technical clarifications
Participate in construction and commissioning phases, offering technical guidance and issue resolution
Troubleshoot complex mechanical challenges and develop practical, cost-effective engineering solutions
Qualifications
Bachelor's degree in Mechanical Engineering required
Professional Engineer (PE) license required (Colorado); ability to obtain licensure in additional states preferred
15+ years of experience in EPC or similar project-based engineering environments
Strong expertise in rotating equipment and pressure vessel design and specification
Solid understanding of process conditions (pressure, temperature, flow, materials) and their impact on mechanical system performance
Demonstrated ability to collaborate effectively across disciplines and communicate with both technical and non-technical stakeholders
Proven experience reviewing and approving engineering deliverables and vendor documentation
Aspen Technical Staffing CELEBRATING 25 YEARS ~2001-2026~
We are an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, gender identity or expression, national origin, disability, veteran status, or any other protected characteristic under the law. Assistance with the application process is available upon request.
Numbers & Facts
Location
Englewood, CO
Industry
Staffing/Employment Agencies
Company Size
100 to 499 employees
Year Founded
2001
Website
http://www.gcrtemps.com
About Company
We are a national technical recruiting firm At GCR, you’ll discover a team of experienced and technically knowledgeable recruiters all working for you. We specialize in contract, contract to hire, and permanent staffing solutions across a variety of industries including, Information Technology, Commercial, Automotive, Medical Device, Pharmaceutical, and Manufacturing. We have well established relationships with companies from startup to large enterprise organizations
Skills
Commissioningunmatched
Constructionunmatched
Cost Engineeringunmatched
Cross-Functionalunmatched
Datasheetsunmatched
Documentationunmatched
Electricityunmatched
Energy Performance Certificate (EPC)unmatched
Engineering Procurement and Construction (EPC/EPCC/EPCM)unmatched
Identify Issuesunmatched
Industry Standardsunmatched
Leadershipunmatched
Mechanical Designunmatched
Mechanical Engineeringunmatched
Mentoringunmatched
Pipingunmatched
Pressure Vesselsunmatched
Problem Solving Skillsunmatched
Process Engineeringunmatched
Professional Engineerunmatched
Project Engineeringunmatched
Project Estimatesunmatched
Project Executionunmatched
Project/Program Managementunmatched
Pumpsunmatched
Purchasing/Procurementunmatched
Team Playerunmatched
Technical Drawingunmatched
Technical Leadershipunmatched
Technical Recruitingunmatched
Vendor/Supplier Evaluationunmatched
🎯
Be found by employers
5,500+ employers search our resume database daily. Add yours to get found by recruiters looking for candidates like you.
Level up your application
Professional resume templates
Browse dozens of recruiter approved resume templates, layouts and formats. Choose your favorite and make it your own in minutes.