Mechanical Engineer-HVAC

Job Summary

STV's Buildings Group is seeking a Mechanical (HVAC) Engineer for our Buildings group in Philadelphia and Douglassville, Pennsylvania to support the design and delivery of mechanical systems across a diverse portfolio of buildings projects, including commercial, institutional, healthcare, education, and public‑sector facilities. This role offers the opportunity to work within a collaborative, multidisciplinary environment delivering high‑performance, sustainable building systems from concept through construction.

• Design HVAC systems for buildings, including air distribution, hydronic systems, and central plant systems.
• Perform load calculations, equipment sizing, and system layout development.
• Prepare and coordinate mechanical drawings, specifications, and technical documentation.
• Collaborate with architectural, structural, electrical, and plumbing teams.
• Support all phases of project delivery from design through construction administration.
• Participate in BIM coordination using Revit.
• Conduct site visits, assessments, and inspections.
• Review shop drawings, respond to RFIs, and support field coordination.
• Ensure compliance with ASHRAE, IBC, IECC, and local Pennsylvania codes.
• Support QA/QC reviews to improve document quality and coordination.
• Assist with energy modeling and sustainable design strategies.

• Bachelor's degree in Mechanical Engineering or related discipline preferred; non‑degreed candidates with equivalent experience considered.
• 5‑8 years of experience in HVAC design within buildings/vertical construction.
• FE certification preferred; PE license preferred or in progress.
• Strong understanding of HVAC systems and construction documentation.
• Proficiency in Revit, AutoCAD, and HVAC design tools (HAP, Trace or similar).
• Knowledge of ASHRAE standards, energy codes, and building codes.
• Strong communication, coordination, and problem‑solving skills.
• Ability to manage multiple projects and priorities.

• Experience with institutional, healthcare, higher education, or commercial buildings projects.
• Familiarity with Design‑Build and fast‑track delivery.
• Experience with energy modeling, sustainability, and decarbonization.
• Knowledge of BIM workflows and Revit coordination environments.
• LEED accreditation is a plus.

$99,431.03 - $

• Health insurance, including an option with a Health Savings Account
• Dental insurance
• Vision insurance
• Flexible Spending Accounts (Healthcare, Dependent Care and Transit)
• Disability insurance
• Life Insurance and Accidental Death & Dismemberment
• 401(k) Plan
• Retirement Counseling
• Employee Assistance Program
• Paid Time Off (starting at 16 days)
• Paid Holidays (9 days)
• Back‑Up Dependent Care (up to 10 days per year)
• Parental Leave (up to 80 hours)
• Continuing Education Program
• Professional Licensure and Society Memberships