Senior Mechanical Engineer 3 or 4

• Design and analyze HVAC and plumbing systems for commercial, institutional, and industrial facilities from concept through construction.
• Provide technical engineering support during design‑build and design‑assist projects, including constructability reviews and technical recommendations.
• Perform advanced engineering calculations including heating and cooling loads, hydronics, plumbing fixture units, and energy analysis.
• Serve as a technical authority on code compliance (local, state, and national codes).
• Review architectural, structural, electrical, and civil drawings for impacts to mechanical systems and coordinate solutions.
• Develop and review construction documents, shop drawings, submittals, RFIs, and technical reports.
• Conduct site surveys and jobsite visits to verify compliance with approved design documents and resolve field issues.
• Support equipment selection and sizing in coordination with vendors and manufacturer representatives.
• Assist with preconstruction efforts including schematic designs, quantity take‑offs, and conceptual estimating.
• Troubleshoot system performance issues and develop alternative technical solutions as needed.
• Provide informal technical guidance and mentoring to designers or EITs (no direct people‑management requirement).

Founded in 1946, TDIndustries is a premier, employee-owned Mechanical, Electrical, and Plumbing (MEP) company delivering full-lifecycle building solutions—from design and construction to service and facilities maintenance. We power critical environments like hospitals, schools, data centers, stadiums, and commercial buildings across Texas and the Southwest.

Our Partners (employees) are the core of our success. As an employee-owned company, you have a voice, a stake, and a clear path to grow. Recognized by FORTUNE Magazine as a "100 Best Company to Work For," we invest in top training, career development, and a culture built on trust and servant leadership.

Join a growing team where your skills matter, and your future is built to last.

At TDIndustries, we believe opportunity should be built — and shared — by all. Whether you work with tools or technology, in the field or the office, we hire and grow people based on skill, potential, and integrity — never labels. We value the diverse paths that bring people to our team and welcome Partners of all backgrounds, including differences in race, color, religion, sex, gender identity or expression, sexual orientation, age, ability, military service, and more. What matters most is how we work together to build excellence.