Senior Mechanical HVAC System Design Engineer

Senior Mechanical Engineer – HVAC

Are you a seasoned engineer ready to architect the future of complex mechanical systems? We are seeking a Senior Mechanical Engineer to serve as a technical linchpin for our San Antonio operations. In this role, you will move beyond production to steer the division, overseeing the mechanical scope of high-stakes projects from initial concept through final construction. You aren't just designing HVAC systems;

you are integrating complex environments that power essential infrastructure in the healthcare, federal, and educational sectors.

Joining our team means stepping into a legacy of design excellence where your leadership directly shapes both the skyline and the next generation of talent. This is a mission-critical role designed for a visionary who thrives on technical ownership and multidisciplinary coordination. We provide a platform where your expertise is rewarded with professional autonomy, a clear trajectory toward executive leadership, and a culture that prioritizes continuous innovation through robust in-house education.

Core Responsibilities

• Lead the comprehensive mechanical design for diverse building projects, ensuring all systems are technically superior and code-compliant.
• Coordinate seamlessly with internal architectural teams and external consultants to deliver fully integrated, high-performance building solutions.
• Steer the mechanical design budget and schedule, providing the Project Manager with the technical roadmap necessary for on-time, on-budget delivery.
• Serve as a primary mentor to junior staff, accelerating their professional development through hands-on guidance and technical oversight.
• Direct rigorous QA/QC reviews to ensure every design package meets the highest industry standards before submittal.
• Contribute to the firm's evolution by participating in staffing plans, interviewing top-tier talent, and delivering specialized training sessions.
• Oversee the mechanical scope from the drafting of construction documents through to site visits, ensuring design intent is realized in the field.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related technical field.
• Active Licensed Professional Engineer (PE) in the U.S.
• 10+ years of progressive experience in mechanical engineering, specifically focused on HVAC system design for buildings.
• Proven track record in Healthcare, Education, Commercial, or Federal project environments.
• Ability to access all areas of a job site (including ladders) and carry up to 50 lbs of project documentation.

Preferred Qualifications

• Ability to obtain licensure in additional states via NCEES record.
• Deep experience with energy modeling and sustainable design initiatives (LEED/Well).
• Previous experience managing small-to-midsized engineering teams or acting as a Lead Engineer on multi-million dollar contracts.