Senior Mechanical Engineer - HVAC

About the role

Artheon is seeking an experienced mechanical engineer to lead complex MEP and infrastructure projects, working directly with clients and mentoring junior engineers. This high-impact role involves designing and implementing mechanical systems, including HVAC, plumbing, and fire protection, for corporate, public, institutional, and infrastructure projects such as schools, water treatment plants, and municipal facilities. You will combine hands-on technical design with project leadership, advancing projects through completion while fostering long-term client relationships. This role reports to the Director of MEP Engineering within Tech Services.

What You’ll Work On

You will support and lead mechanical engineering efforts for projects involving HVAC systems, plumbing systems, fire protection systems, facility renovations, and mechanical improvements. Collaborating closely with clients, contractors, architects, civil engineers, electrical engineers, and internal project teams, you will deliver practical, code-compliant, and cost-effective mechanical solutions.

Responsibilities

• Lead the design of HVAC, plumbing, and fire protection systems for public, institutional, and infrastructure projects.
• Conduct feasibility studies to evaluate project requirements, technical constraints, and cost implications.
• Perform load calculations, system sizing, and equipment selection.
• Prepare mechanical drawings, technical specifications, and construction documents.
• Ensure designs comply with applicable codes, standards, and client requirements.
• Manage multiple mechanical engineering projects at various stages of design and construction.
• Coordinate with multidisciplinary teams, including civil, electrical, architectural, and structural professionals.
• Serve as a key technical point of contact for clients, contractors, and project stakeholders.
• Drive projects from initial concept through final construction closeout.
• Support project planning, scheduling, budgeting, and quality control efforts.
• Review shop drawings, equipment submittals, RFIs, and contractor documentation.
• Conduct site visits, field assessments, and inspections to evaluate existing conditions and construction progress.
• Support commissioning, troubleshooting, and final system performance verification.
• Provide technical recommendations to resolve field issues and improve system performance.
• Provide technical guidance and mentorship to junior mechanical engineers and designers.
• Support internal quality control, design reviews, and knowledge sharing.
• Strengthen team capabilities through coaching, collaboration, and technical leadership.

Qualifications

• Bachelor’s degree in Mechanical Engineering or a related field.
• New Jersey Professional Engineer license preferred or ability to obtain through reciprocity.
• 8+ years of mechanical engineering experience.
• Strong experience designing HVAC systems.
• Experience using AutoCAD and/or Revit.
• Working knowledge of ASHRAE, NFPA, and applicable building codes.
• Experience providing construction administration and field engineering support.
• Experience with plumbing and fire protection system design.
• Experience working on municipal, institutional, educational, or infrastructure projects.
• Ability to manage multiple projects and coordinate effectively with clients, contractors, and internal teams.
• Strong communication, organization, and problem-solving skills.

Benefits

• Competitive base salary (range indicated in the posting).
• Medical, prescription, dental, and vision coverage.
• 401(k) retirement plan with employer match.
• Educational assistance program.
• Paid time off and parental leave.