Mechanical Engineer (On-site)

About Redtree

Redtree Engineering specializes in engineering, project management, and construction support services across mission-critical facilities, power systems, industrial projects, and complex infrastructure. As the U.S. engineering arm of CSI Global, a 40+ year, 300+ professional AEC firm, Redtree combines American PE-led leadership with global engineering resources. As Redtree's mission-critical and data center construction support work grows, this role will be a visible, on-the-ground technical resource helping our project teams resolve mechanical issues and keep commissioning and installation work on track across active construction sites.

Employment Type: Full-Time, Field-Based

Location: Texas

Position Summary

Redtree is seeking an on-site Mechanical Engineering Support professional to serve as a mechanical technical resource for the Owner's local Project Managers, installing contractors, mechanical vendors, and QA/QC providers. Working alongside the DCS Mechanical Engineer, this role supports issue resolution, hands-on troubleshooting, and critical commissioning activities across mechanical systems on active data center / mission-critical construction projects.

You Will…

● Be a mechanical technical resource for the Owner's local Project Managers, installing contractors, mechanical vendors, and QA/QC providers for issue resolution, working with the DCS Mechanical Engineer.

● Coordinate with the DCE-ME for hands-on troubleshooting activities and repair plans, and participate in critical commissioning of mechanical equipment such as process water systems, critical cooling air handlers, fuel oil systems, and any first-of-a-kind (FOAK) equipment.

● Review and comment on preliminary and final TAB reports, verifying that system performance matches the drawings and specifications.

● Review contractor RFIs and coordinate with the DCE-ME and A/E on high-cost or schedule-impact items.

● Verify device installation matches approved coordination during field walks, and identify equipment or valve access and operation conflicts with other trades.

● Review all fuel delivery bills of lading (BOL) and fuel testing results prior to introduction into the generator fuel system, to ensure compliance with Owner's specifications.

● Identify items required to incorporate temporary services and flushing plans, and review and comment on mechanical equipment and ductwork protection plans provided by others.

● Review field procedures, progress, and results of flushing plans (process chilled water, chilled water, chemical dosing, fuel oil, etc.) to confirm systems are cleaned per the approved flush plan, including setup of flushing equipment and temporary and permanent piping and valve arrangements.

● Provide periodic field review of the execution of mechanical and ductwork protection plans to ensure procedures are being followed.

● Review ductwork pressure testing results to verify duct leakage and pressure class meet the drawings and specifications.

If You…

● Have 5+ years of experience in the construction industry or industrial facilities.

● Can use AutoCAD Construction Cloud to navigate drawings and specifications.

● Understand P&IDs, single line diagrams, sequence of operations, and commissioning scripts, and the operational considerations needed to avoid conflicts with operations or downstream efforts.

● Can provide input on program and site-specific requirements to subcontractors and vendors to ensure compliance.

● Have experience supervising the mechanical installation process, including bolting, torquing, hydrostatic testing, test & balance, and commissioning.

Preferred Qualifications

● Experience reviewing Methods of Procedure (MOPs) for warranty work, commissioning tasks, and equipment start-up to ensure procedures are safe and reliability is maintained.

● Familiarity with HVAC equipment, chilled water plants, pumps, chillers, and chemical dosing systems.

What Redtree Offers

● The opportunity to support high-visibility, mission-critical data center construction projects.

● A hands-on technical role working directly alongside the Owner's Project Managers, installing contractors, and vendors.

● Access to CSI Global's international engineering resources and 40+ years of AEC experience.

● 100% employer-sponsored benefits.