Mechanical Engineer II

Affiliated Engineers, Inc; Boston (MA); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision insurance

Retirement plan

Year-end bonus

Flexible work environment

Wellness resources

Community initiatives

Job summary

Affiliated Engineers, Inc. in Boston is seeking a Mechanical Engineer II to design energy-efficient HVAC building systems for technically sophisticated facilities. You will develop system designs from concept plans, guiding projects from basis of design through field verification with input from users and partners.

The role requires a BSAE/BSME and 3+ years of HVAC experience, with PE licensure or pursuit. You’ll work in a collaborative environment offering growth opportunities, mentorship, and

Qualifications

• Strong written and spoken communication skills.
• Excellent organization and time management abilities.
• Quick technical comprehension with client-outcome focus.
• Able to prioritize multiple tasks effectively.
• Collaborates well both individually and in teams.

Responsibilities

• Develop and document system designs from concept plans and design criteria, interpreting basis of design and user input.
• Gather information from project partners, field surveys, and code research to inform designs.

Skills

Strong communication

Time management

Analytical thinking

Task prioritization

Teamwork

Education

BSAE/BSME

Job description

Join a Team Where Engineering Excellence Drives Opportunity

AtAffiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we’ve supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 1000 professionals across 23 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic’s world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft’s renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and Consulting-Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you’ll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

As a Mechanical Engineer II in our Boston office, you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.

Here’s why we need you:

In this role, you will exercise independent judgment to develop and document system designs from concept plans and technical design criteria and interprets and utilizes information set forth in basis of design as well as information gathered from users, project partners, field surveys, and code research.

Expertise of our most successful Mechanical Engineer II:

• BSAE or BSME required.
• 3+ years’ experience designing HVAC building systems in technically sophisticated facilities.
• PE License or ability to become licensed.

Effective skills to help you flourish:

• Strong spoken and written communications skills.
• Excellent organization and time management skills.
• Quick technical comprehension and motivation focused on client outcomes.
• Able to effectively prioritize multiple tasks.
• Effective working individually and within team environments.

When you work here, you can expect:

• A flexible, collaborative environment where your well-being matters—because your best work happens when you’re supported.
• Real opportunities to grow—through mentorship, professional development programs, and exposure to high-impact projects across disciplines.
• To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.
• A benefits package that offers health, dental, vision, and retirement, a performance-based year-end bonus, and thoughtful perks tailored to your needs—whether that’s a flexible work environment, wellness resources, or community-focused initiatives, we’ll continue to invest in.

AEI is proud to be an EEO/AA Employer/Vet/Disabled.