Sr Mechanical Engineer

Design Hire LLC; Phoenix (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

DesignHire LLC is seeking an accomplished Process Engineer to lead design, analysis, and optimization of chemical process systems and piping for large industrial facilities in Phoenix, AZ. You will develop P&IDs, equipment specs, and system-level documentation while coordinating with structural, mechanical, electrical, and architectural teams.

The ideal candidate has 7+ years in process engineering with a strong background in fluid dynamics, piping design, and high-tech manufacturing

Qualifications

• BSME/BSCE or related discipline required.
• 7+ years of process engineering and piping design experience.
• Strong knowledge of chemical process principles and fluid dynamics.
• Experience with P&ID development and process documentation.

Responsibilities

• Lead design, analysis, and optimization of chemical process systems, hydronic loops, and piping for large facilities.
• Develop and maintain P&IDs, process flow diagrams, equipment specs, and system docs.
• Support layout development in Revit and coordinate with disciplines.
• Provide technical guidance during installation, commissioning, troubleshooting, and validation.

Skills

Process engineering

P&ID development

Fluid dynamics

Mechanical systems

Piping design

Education

Bachelor's degree in Mechanical or Chemical Engineering

Tools

PIPEFLO

AutoPIPE

Trane Trace

Revit

Job description

Phoenix, United States | Posted on 09/01/2026

Key Responsibilities

• Leadthe design, analysis, and optimization of chemical process systems,hydronic loops, and specialty process piping for large industrialfacilities.
  
• Develop and maintain P&IDs, process flow diagrams, equipment specifications, and system-level documentation.
  
• Support layout development in Revit, coordinating with structural, mechanical, electrical, and architectural disciplines.
  
• Provide technical guidance during installation, commissioning, troubleshooting, and process validation activities.
  

Qualifications

• Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or related discipline (BSME/BSCE preferred).
  
• 7+ years of experience in process engineering, piping system design, or hydronic system development.
  
• Strong background in chemical process principles, fluid dynamics, and mechanical systems.
  
• Proficiency with PIPEFLO, AutoPIPE, and load/energy modeling platforms such as Trane Trace.
  
• Skilled in P&ID development, process documentation, and engineering calculations.
  
• Revit experience required for integrated facility design.
  
• High-tech manufacturing experience strongly preferred—data center or semiconductor facility experience is a major plus.
  
• Strong understanding of tooling, process equipment, and system integration best practices.
  

Equal Opportunity Statement

DesignHire is proud to be an Equal Employment Opportunity / Affinity employer. It is our policy to consider for employment allindividuals regardless of age, color, national origin, citizenshipstatus, physical or mental disability, race, religion, gender, sex,sexual orientation, gender identity and/or expression, geneticinformation, veteran status, or any other characteristic protected byfederal, state or local law.

Employment Eligibility

Ifhired, a Form I-9 Employment Eligibility Verification must be completedat the start of employment. Temporary work authorization or the needfor sponsorship may disqualify you from employment.