Senior HVAC Engineer

Job ID: 45511Reference: 300016599637844Location: Los Angeles, CA, United States | Phoenix, AZ, United States | Irvine, CA, United States | San Diego, CA, United StatesDepartment: HVAC EngineeringBusiness Unit: ANA United StatesWork Type: HybridDate Posted: 2026-10-28Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.Role description:Arcadis is currently searching for a Senior HVAC Engineer, with 12+ years’ experience, to join our Water - Building Design Services team, out of our Southern California or Phoenix, AZ offices. This is an extraordinary opportunity for a self-motivated engineer to join a global leader and make an immediate impact, leading projects and mentoring junior staff. The Senior Mechanical Engineer will be involved in a variety of HVAC design projects with support from a strong nationally recognized technical staff at one of the best-qualified consulting firms around the world. They will utilize their expertise and technical knowledge to not only lead projects, but to also manage clients and direct the development of design and construction projects, and participate on a variety of project pursuits within this market.Role accountabilities:You will play a key role in delivering HVAC and mechanical solutions for municipal and industrial water and wastewater facilities across the Northeast and throughout the U.S. Working closely with clients and multidisciplinary project teams, you will lead projects from initial concept and design through construction, commissioning, and start-up. Your responsibilities will include HVAC system design, heating and cooling load analyses, equipment and distribution system layouts, procurement packages, cost estimates, schedules, and construction documents. You will also provide technical leadership and mentorship to junior engineers and designers while helping ensure projects are delivered safely, efficiently, on schedule, and within budget.Qualifications & Experience:Required Qualifications:The ideal candidate will have a bachelor’s degree in Mechanical Engineering, Mechanical Engineering Technology, or a related field, at least 12 years of HVAC design experience, and a California Professional Engineer (PE) license. Candidates should bring strong technical, project management, and leadership experience, including leading teams and overseeing mechanical engineering project work. A broad understanding of HVAC and related mechanical systems is required, along with experience in load calculation software such as Carrier HAP or Trane TRACE, AutoCAD and/or Revit, Bluebeam, and Microsoft Office. The role also requires experience reviewing drawings, specifications, schedules, and cost estimates; applying state and local codes; responding to code review comments; and supporting value engineering efforts. Strong written and verbal communication and client relationship skills are essential, including experience with proposals, presentations, client interviews, technical memoranda, and assessment reports.Preferred Qualifications:12+ years of specialized experience in HVAC design and construction for municipal and/or industrial water/wastewater facilities. Knowledge of plumbing and fire protection system design. Knowledge of process mechanical design. Experience with 3D CAD software. Membership in ASHRAE or a similar professional organization preferred. LEED Green Associate (LEED GA) certification or related sustainability knowledge is a plus. Professional Engineer (PE) license in Arizona is a plus.Why Arcadis?We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.Together, we can create a lasting legacy.Join Arcadis. Create a Legacy.Our Commitment to Equality, Diversity, Inclusion & BelongingWe want you to be able to bring your best self to work every day. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20 days PTO that accrue per year. The salary range for this position is $112,640 - $182,477. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.

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