Confirmed on the employer's own hiring board on Sep 23, 2026. First seen by Alion on Sep 22, 2026.
Creativity. Innovation. A desire to effect positive change. That’s what it takes to work at Fuss & O’Neill - because that’s what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we’ve prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you’ve found your future.
Fuss & O’Neill, a leading New England-based consulting firm, is seeking a Mechanical Engineer to join our growing MEP team. This is an exciting opportunity for a mechanical engineer with HVAC consulting experience to take on increasing responsibility across a diverse range of building projects while working alongside experienced engineers and multidisciplinary project teams.
The Mechanical Engineer will focus primarily on HVAC engineering and design, with opportunities to contribute to plumbing and energy-efficiency projects. This position combines technical design and analysis with field investigations and construction support, providing the opportunity to work across multiple phases of project delivery.

