Senior Mechanical Engineer - HVAC Design

Description Greenman-Pedersen, Inc. (GPI) is seeking an experienced Senior Mechanical Engineer with a strong background in HVAC design and project management to join our growing team in Suffern, NY. This is a key role for a hands-on engineer who can lead the design of complex building systems projects while managing client relationships, mentoring staff, and ensuring high-quality project delivery.

Do you value a company that puts employee satisfaction at the forefront of who they are?  If so, GPI wants you!

GPI is a multi-discipline engineering firm providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by Engineering News Record, GPI is a forward-thinking, innovative firm with a culture committed to excellence and fosters staff empowerment. For more information, visit:
What you'll be doing:

Lead the design and development of HVAC and mechanical systems for commercial, institutional, healthcare, and public-sector projects

Perform and oversee load calculations, system sizing, equipment selection, and energy analysis

Prepare and review drawings, specifications, and construction documents

Manage projects from concept through construction, including scope, schedule, and budget control Coordinate with architectural clients, structural, electrical, and plumbing teams to ensure integrated design solutions

Serve as the primary technical point of contact for clients and support business development efforts

Provide mentorship and technical guidance to junior engineers and designers

Support construction phase services, including submittal reviews, RFIs, and field coordination

What you'll bring:

Bachelor’s degree in Mechanical Engineering or related discipline

Professional Engineer (PE) license preferred (or ability to obtain)8–15+ years of experience in HVAC/mechanical systems design

Demonstrated experience in project management and client interaction

Strong knowledge of ASHRAE guidelines, NYS Building Code, and energy codes

Experience with AutoCAD and/or Revit (BIM) design platforms

Strong communication, leadership, and organizational skills

Requirements

Maintain a valid driver's license with a clean motor vehicle report (MVR) for final consideration

Read, write, and understand plans and directions given in the English language

Basic computer skills with the ability to create and edit Microsoft Word and Excel documents, create Outlook emails and utilize SharePoint and Microsoft Teams to communicate with other team members

Able to traverse a construction job site consisting of uneven ground varying in height and consistency of material, with a variation of elevation 19" or less (mud, gravel, rutted ground, etc.)Able to climb and leave a ladder to a platform varying from 6' to 20' Able to wear GPI required PPE, i.e., hard hats, safety vest, work boots, and/or safety glasses/goggles while working GPI offers excellent benefits, including a 401(k) plan, ESOP, medical/dental/vision plans, paid time off, and more.

GPI is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or protected veteran status. D/VNotice To Third-Party AgenciesGPI does not accept unsolicited resumes from recruiters and/or agencies. Any staffing employment agency, person, or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of GPI and has the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person, or entity.

GPI will…