Mechanical Engineer

Overview

Description/description:
Fuss & O'Neill focuses on creativity, innovation, and positive change for communities. We offer flexible/remote work opportunities, part-time benefits, and generous PTO to support work-life balance. If you share these values, consider your future with us.

We are seeking an early-career Mechanical Engineer to join our Boston, MA office. This professional will support the planning, design, and documentation of HVAC and building mechanical systems for commercial, institutional, and industrial facilities.

In this role, you will work alongside experienced engineers and project managers to perform HVAC load calculations, equipment selection, and system layouts, develop AutoCAD and Revit design documents, and support projects through design and construction. The position offers hands-on exposure to site investigations, interdisciplinary coordination, and construction administration, along with mentorship and professional development opportunities to support your path toward licensure.

• Assist in the design of HVAC, plumbing, and fire protection systems under the guidance of senior engineers
• Develop and modify mechanical system drawings and BIM models using AutoCAD and Revit
• Research and apply applicable codes and standards, including IBC, IMC, ASHRAE, and NFPA
• Support energy efficiency and sustainability goals, including IECC and LEED requirements
• Participate in site visits to document existing conditions and gather field data
• Coordinate with architectural, structural, electrical, and civil engineering teams to support integrated design solutions
• Prepare technical reports, specifications, design narratives, and construction documents
• Assist with construction administration tasks, including submittal reviews, RFIs, and field inspections
• Support project managers and senior engineers to help deliver projects on time and within budget
• Attend client and internal coordination meetings as appropriate

• Bachelor's degree in mechanical engineering or engineering science
• 1-3 years of experience (internship experience preferred)
• EIT certification preferred, but not required
• Interest in HVAC and building mechanical system design
• Experience with or exposure to AutoCAD and Revit preferred
• Strong proficiency in Microsoft Word, Excel, and Outlook
• Strong organizational skills and attention to detail
• Ability to work collaboratively in a multidisciplinary team environment
• Willingness to travel to project sites 1-2 days per week on average throughout MA, CT, and RI

• Schedule Flexibility:
  Customize your work schedule to fit your life.
• Health & Wellness:
  Comprehensive health benefits to keep you and your family healthy.
• Continuous Learning:
  Access to online courses, conferences, and learning materials to fuel your professional growth.
• Paid Time Off:
  Take the time you need to recharge with our generous paid time off policy.
• Career Advancement:
  Clear paths for promotions and the opportunity to take on new challenges.
• Fun Team Culture:
  Regular team-building activities, happy hours, and company outings.

Visa sponsorship is NOT available for this position

All offers are contingent upon a successful criminal background check. Fuss & O'Neill, Inc. is proud to be an Affirmative Action/Equal Opportunity Employer. Fuss & O'Neill participates in the Federal e-Verify program.
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Fuss & O'Neill is a civil and environmental engineering firm that provides client-specific, forward-thinking, and holistic solutions. Since 1924, we have made it our mission to improve the built and natural environments in response to our public and private clients' evolving needs.

Stage 1:
Applied
Stage 2:
Initial Screening
Stage 3: 1st Interview
Stage 4:
Offer
Stage 5:
Hired