Sr. Mechanical Engineer; HVAC

About Stratus

Stratus is a multidisciplinary firm specializing in engineering, architecture, interior design, and consulting. Built on the union of deeply rooted firms and recognized industry leaders, we bring together broad expertise and a robust talent pool to deliver comprehensive end-to-end solutions. Serving public and private clients across Civic, Commercial, Industrial, Transportation, Education, and Government sectors, we approach every project—whether a targeted renovation or large-scale infrastructure—with precision, insight, and purpose.

Stratus designs spaces that work, last, and make an impact.

Stratus is a multidisciplinary firm specializing in engineering, architecture, interior design, and consulting. Built on the union of deeply rooted firms and recognized industry leaders, we bring together broad expertise and a robust talent pool to deliver comprehensive end-to-end solutions. Serving public and private clients across Civic, Commercial, Industrial, Transportation, Education, and Government sectors, we approach every project—whether a targeted renovation or large-scale infrastructure—with precision, insight, and purpose.

Stratus designs spaces that work, last, and make an impact.

We’re hiring for a Sr. Mechanical Engineer (HVAC) that is a licensed professional engineer responsible for leading technical aspects of engineering projects. This role involves providing expert-level technical guidance, ensuring that designs meet client expectations and regulatory requirements. The Sr. Mechanical Engineer (HVAC) oversees the technical development of projects, mentoring junior staff, and serving as a subject matter expert in the field.

• Lead the design and analysis of HVAC systems, including load calculations, equipment selection, ductwork layout, and hydronic system design.
• Work with clients, their engineering teams and their process vendors to establish design criteria for mechanical, refrigeration and HVAC systems.
• Oversee project timelines, budgets, and deliverables to ensure successful completion.
• Provide technical direction and mentorship to the engineering team in steam and condensate, refrigeration, hot and chilled media, compressed air, nitrogen, water supply treatment, and HVAC systems.
• Lead the design and documentation of the systems above.
• Lead and conduct quality assurance reviews.
• Develop life-cycle costs and feasibility for design options.
• Evaluate existing systems for operational improvements or available capacity for expansion.
• Determination of loads, load diversity, and capacity for future growth.
• Review alternatives for equipment and system configuration for client and project fit. Present pros and cons for each approach.
• Evaluate energy efficiency and energy recovery opportunities.
• Have thorough knowledge and understanding of applicable codes and standards.
• Participate in contractor bid review and evaluation.
• Travel to construction sites to confirm conformance to the design intent.
• Provide project support during start-up/commissioning.

• Perform all other duties as assigned.
• Work collaboratively and effectively with clients and colleagues including cross-functional teams, peers, direct reports, and leadership, fostering a positive and inclusive work environment.
• Adapt to changing business needs and priorities, demonstrating flexibility in taking on new responsibilities and adjusting to evolving challenges.

• Bachelor’s or Master’s degree in Mechanical engineering from ABET-accredited university.
• 6-8 years of experience in engineering design and project management.
• Professional Engineer (PE) license
• Strong knowledge of industrial steam, refrigeration, compressed air and HVAC systems.
• Excellent problem-solving, analytical, and decision-making skills.
• Exceptional communication and leadership abilities.

• Proficiency in HVAC modeling, equipment sizing, and system layout using Revit MEP or similar BIM tools.
• Strong diagnostic and analytical skills for troubleshooting HVAC system performance issues.
• Ability to communicate HVAC design concepts through diagrams, schematics, and technical…