Mechanical Engineer - Water & Wastewater Systems Design

Liberty Personnel Services, Inc.; St. Louis (MO); On-site; USD 70,000 - 110,000; Full time

Job summary

Liberty Personnel Services, Inc. seeks a Mechanical Engineer to join our team in Missouri. You will plan, design, rehabilitate, and support construction of mechanical systems for water and wastewater facilities, including HVAC, plumbing, utilities, and fire protection.

You will prepare calculations, specifications, reports, cost estimates, and construction documents and coordinate with vendors and multidisciplinary teams to deliver practical, reliable engineering solutions.

Qualifications

• Experience in mechanical system design
• HVAC load calculations
• Equipment sizing and selection
• Process piping and pumping systems
• Preparation of technical specifications

Responsibilities

• Design HVAC, plumbing, utility, process mechanical, pumping, and fire protection systems.
• Prepare technical calculations, specifications, reports, cost estimates, and construction documents.
• Support facility assessments, equipment rehabilitation and replacement projects, startup and commissioning.
• Review contractor submittals and RFIs; coordinate with operations staff, manufacturers, and controls engineers.

Skills

Mechanical design

Job description

Liberty Personnel Services, Inc. seeks a Mechanical Engineer to join our team in Missouri. You will plan, design, rehabilitate, and support construction of mechanical systems for water and wastewater facilities, including HVAC, plumbing, utilities, and fire protection.

You will prepare calculations, specifications, reports, cost estimates, and construction documents and coordinate with vendors and multidisciplinary teams to deliver practical, reliable engineering solutions.