Senior Mechanical Engineer

Overview

Primary

Job Title:

Senior Mechanical Engineer

Alternate / Related Job Titles:
Lead Mechanical Engineer;
Rotating Equipment Engineer;
Mechanical Project Engineer;
Senior Equipment Engineer;
Mechanical Reliability Engineer

Location & Onsite Flexibility:
Rockford, IL — Onsite / Hybrid

Assignment Address: 8554 Lindenwood Road, Rockford, IL 61109 (Chicago/Milwaukee area)

Contract Details:
Position Type:
Contract;
Contract Duration: 6 months (opportunity to convert to direct hire);
Start:
As Soon As Possible;
Pay Rate: $85/hr;

Hours:

40 hours/week;
Core

Hours:

9:00 AM - 3:00 PM (Central Time)

Job Overview:
The Operations team is seeking a highly experienced Senior Mechanical Engineer to take ownership of the full lifecycle of critical mechanical equipment used in gas processing and industrial operations. This role combines hands-on engineering, design oversight, and project execution within process facilities. You will collaborate with cross-functional teams to ensure systems are designed, installed, and operated safely, efficiently, and in compliance with industry standards.

• Own equipment lifecycle management, including specification, selection, procurement, commissioning, maintenance, and ongoing technical support
• Ensure compliance with ASME Section VIII (Div.
  1) and ASME B31.3 for pressure vessels and process piping
• Collaborate with Process, Electrical, and Controls Engineering teams to design and commission new systems
• Serve as a subject matter expert for rotating equipment, supporting troubleshooting, reliability, and maintenance strategies
• Support capital improvement projects, assisting with scope definition, schedules, and budget management
• Provide engineering leadership for equipment installation, modification, and maintenance activities
• Work safely in industrial environments and comply with OSHA and site safety requirements

• Bachelor’s degree in Mechanical Engineering or related field
• 8+ years of experience in industrial, manufacturing, chemical processing, or gas processing environments
• Strong experience with rotating equipment (compressors, blowers, mixers)
• Working knowledge of ASME Boiler & Pressure Vessel Code (Section VIII, Div.
  1) and Process Piping Code (B31.3)
• Proven leadership experience on small-to-mid-size capital projects (approximately $500K budgets)
• Hands-on mechanical troubleshooting experience
• Ability to manage contractors for equipment installation, maintenance, and modifications
• Strong communication, problem-solving, and cross-functional collaboration skills
• Ability to travel up to 50%
• Legally authorized to work in the U.S. without sponsorship

• Direct experience with centrifugal blowers, oil-flooded screw compressors, and/or industrial mixers
• Project engineering or project management experience (cost and schedule control)
• Experience in gas processing, oil & gas, chemical, or environmental sustainability industries (biogas, renewable energy, waste treatment)
• Familiarity with industrial gases and pipeline safety
• Military technical training

• Environment:
  Office + process facilities
• Safety Sensitive Position:
  Yes
• PPE:
  Provided by client
• Lifting Requirement:
  Up to 50 lbs
• Chemical Exposure:
  Possible (training provided)

• Medical, Vision, and Dental Insurance Plans
• 401(k) Retirement Fund

About the Company:

A global leader in gases, technologies, and services for industry and healthcare, operating in over 60 countries and serving more than 4 million customers and patients worldwide. The organization is known for innovation, safety, and sustainability across industrial and healthcare solutions.

About GTT: GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company based in Alaska. We value diverse and inclusive workplaces and partner with Fortune 500 organizations across industrial, healthcare, financial services, technology, life sciences, utilities, and retail sectors throughout the U.S. and Canada. Job Number: 25-29748