Mechanical Engineer

HDR; Round Rock (TX); On-site; USD 85,000 - 115,000; Full time

Job summary

HDR is seeking a Mechanical Project Engineer to lead the design of mechanical systems for commercial and institutional buildings in Texas. You will coordinate a design team through schematic design and contract documents, ensuring code compliance and timely delivery.

You will collaborate with partners and the Project Manager on site visits, review documents for clashes, and drive selection of equipment and systems while maintaining QA/QC standards and handling RFIs, addenda, and change orders as

Qualifications

• Bachelor’s degree in Mechanical Engineering is required.
• Minimum 3 years of mechanical system design experience in commercial or institutional buildings.
• Proactive coordination with multiple disciplines and agencies.

Responsibilities

• Coordinate the mechanical design team through schematic design to contract documents.
• Ensure code compliance through agency reviews and meetings.
• Coordinate workload to deliver documents on schedule.
• Conduct site sessions with Project Manager and other disciplines.
• Review mechanical documents for conflicts across disciplines.
• Write and edit mechanical specs; select equipment and systems.
• Manage addenda, RFIs, CPRs and change orders; incorporate changes into drawings.
• Provide construction contract administration as needed.
• Perform QA/QC on others' work; assist CAD technicians as needed.
• Carry out additional duties as required.

Skills

MS Office

Project coordination

Communication

Education

Bachelor’s degree in Mechanical Engineering

Professional engineering license

Tools

Trane TRACE or similar software

Manufacturer selection software

Job description

Position Overview

As part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high‑performance data centers powering AI to dynamic commercial environments, your work will directly support technological advancement, sustainability, and human experience. You will work with mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration.

Key Responsibilities

• Coordinate the work of the mechanical design team through schematic design development and the contract document phase of a project.
• Establish meetings and participate in reviews with governing agencies to ensure code compliance.
• Coordinate workload to complete the document on schedule.
• Conduct work sessions at the project site in conjunction with the Project Manager and other disciplines.
• Review mechanical documents for conflicts with all disciplines.
• Write and edit mechanical specifications, select equipment, mechanical systems and devices.
• Coordinate with and assist affected disciplines with addenda, RFIs, CPRs and change orders, and take responsibility for incorporating agreed‑upon changes into the project documents.
• Provide construction contract administration as needed.
• Conduct QA/QC on the work of other Mechanical Project Engineers, Mechanical Project Coordinators or Mechanical CAD Technicians as needed.
• Perform other duties as required.

Preferred Qualifications

• Master’s degree in Architectural Engineering with a mechanical emphasis.
• Minimum of 3 years experience in mechanical system design of commercial or institutional buildings.
• Experience in healthcare, science and technology, and/or civic facilities.
• Experience and/or interest in sustainable design/LEED (desired but not required).

Required Qualifications

• Bachelor’s degree in Mechanical Engineering.
• Previous experience in mechanical system design of commercial or institutional buildings.
• Professional engineering license recognized by the licensing board for the location of the position offered.
• Experience in commercial or institutional facilities.
• Computer proficiency using MS Office, Trane TRACE or similar software, and manufacturer selection software.
• Previous experience with an architectural/engineering or consulting firm.
• Commitment to being an active participant of our employee‑owned culture.

Additional Information

Primary Location: United States, Texas, San Antonio
Other Locations: United States, Texas, Round Rock
Industry: Building Engineering
Schedule: Full‑time
Employee Status: Regular
Job Posting: July 17, 2026

At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer. https://www.hdrinc.com/equal-employment-opportunity-employer. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.