Senior Mechanical Engineer - HVAC

Department: Community InfrastructureLocation: East Brunswick, NJCompensation: $140,000 - $190,000 / year Description Artheon is seeking talented professionals to join our growing team in support of diverse engineering and environmental projects. Whether your background is in civil engineering, environmental science, or infrastructure design, this is a great opportunity to contribute to meaningful work in a collaborative and innovative environment. About Artheon Artheon is a trusted engineering and consulting firm offering services that rival large organizations while maintaining the personalized client relationships of a boutique firm. With expertise spanning civil/site engineering, environmental permitting, transportation infrastructure, construction management, and advanced surveying technologies, we are committed to delivering high-quality, timely solutions to local, state, and federal clients. This is a high-impact role for an experienced mechanical engineer who enjoys leading complex MEP and infrastructure projects, working directly with clients, and mentoring the next generation of engineers. In this position, you will lead the design and implementation of mechanical systems, including HVAC, plumbing, and fire protection, for a wide range of corporate, public, institutional, and infrastructure projects. Project types may include corporate, county and municipal facilities, schools, water treatment plants, wastewater treatment plants, and other community-focused infrastructure developments. This role offers the opportunity to combine hands-on technical design with project leadership. You will help advance projects through completion while contributing to new designs, future initiatives, and 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 and fire protection systems, facility renovations, and mechanical improvements. You will work closely with clients, contractors, architects, civil engineers, electrical engineers, and internal project teams to deliver practical, code-compliant, and cost-effective mechanical solutions. Responsibilities Mechanical System DesignLead the design of HVAC, plumbing, and fire protection systems for public, institutional, and infrastructure projectsConduct feasibility studies to evaluate project requirements, technical constraints, and cost implicationsPerform load calculations, system sizing, and equipment selectionPrepare mechanical drawings, technical specifications, and construction documentsEnsure designs comply with applicable codes, standards, and client requirementsProject LeadershipManage multiple mechanical engineering projects at various stages of design and constructionCoordinate with multidisciplinary teams, including civil, electrical, architectural, and structural professionalsServe as a key technical point of contact for clients, contractors, and project stakeholdersHelp drive projects from initial concept through final construction closeoutSupport project planning, scheduling, budgeting, and quality control effortsConstruction Administration & Field SupportReview shop drawings, equipment submittals, RFIs, and contractor documentationConduct site visits, field assessments, and inspections to evaluate existing conditions and construction progressSupport commissioning, troubleshooting, and final system performance verificationProvide technical recommendations to resolve field issues and improve system performanceTeam MentorshipProvide technical guidance and mentorship to junior mechanical engineers and designersSupport internal quality control, design reviews, and knowledge sharingHelp strengthen team capabilities through coaching, collaboration, and technical leadership Qualifications Bachelor’s degree in Mechanical Engineering or a related fieldNew Jersey Professional Engineer license preferred or ability to obtain through reciprocity8+ years of mechanical engineering experienceStrong experience designing HVAC systemsExperience using AutoCAD and/or RevitWorking knowledge of ASHRAE, NFPA, and applicable building codesExperience providing construction administration and field engineering supportExperience with plumbing and fire protection system designExperience working on municipal, institutional, educational, or infrastructure projectsAbility to manage multiple projects and coordinate effectively with clients, contractors, and internal teamsStrong communication, organization, and problem-solving skills Benefits The base salary range for this role is indicated in the posting. This range reflects the company’s good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location. Artheon offers a competitive compensation package including medical, prescription, dental and vision coverage, 401(k) retirement plan with employer match, educational assistance program and paid time off/parental leave.