Mechanical Engineer II

Affiliated Engineers, Inc.; Washington (District of Columbia); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Health insurance

Dental

Vision

Retirement plan

Year-end bonus

Flexible work environment

Job summary

Affiliated Engineers, Inc. in Washington, DC seeks a Mechanical Engineer II to develop energy‑efficient building systems and support mission‑driven projects across healthcare, science, energy, and education sectors.

You will apply design criteria, leverage BIM tools, and collaborate with multidisciplinary teams to deliver high‑quality, sustainable engineering solutions.

Qualifications

• BSAE or BSME required.
• 3+ years’ experience designing HVAC building systems in technically sophisticated facilities.
• PE License or ability to become licensed.
• Expertise in engineering design software (Revit MEP, AutoCAD, Navisworks) preferred.

Responsibilities

• Develop and document system designs from concept plans and technical design criteria.
• Interpret and utilize basis of design information and inputs from users, project partners, field surveys, and code research.

Skills

Strong communication

Time management

Team collaboration

Client focus

Education

BSAE or BSME

Tools

Revit MEP

AutoCAD

Navisworks

Job description

Join a Team Where Engineering Excellence Drives Opportunity At Affiliated 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 Washington, D.C. 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.
• Expertise in computer operation for engineering design programs (i.e. Revit MEP, AutoCAD, Navisworks) preferred.

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.

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