Demo

Mechanical Designer

OTJ Architects
Washington, DC Full Time
POSTED ON 4/29/2026
AVAILABLE BEFORE 5/28/2026
Mechanical Designer: Washington, DC

Job Description

OTJ is looking for an entry level Mechanical Designer. This role focuses on the planning, design, and execution of mechanical systems for a wide range of building and infrastructure projects. This position is ideal for early‑career professionals looking to develop hands-on experience in mechanical systems design.

Responsibilities

  • Proficiency in AutoCAD and Revit (preferred)
  • Assist with the drafting of Mechanical and Plumbing Systems associated with Construction Documentation.
  • Assist with developing internal load calculations using Trace 700 Load Calculation Software.
  • Asist with the development of outside Air/Ventilation Calculations.
  • Assist in coordination with architects, structural, civil, and MEP engineering teams throughout design development and construction.
  • Participate in field observations at various project sites around the DMV area.
  • A successful candidate is proactive and able to remain flexible while delivering high quality work in a deadline-driven environment.

Qualifications

  • Bachelor’s degree in Mechanical Engineering (ABET-accredited)
  • 0-3 years of experience in the Mechanical Engineering field
  • Excellent oral and written communication skills: outgoing and personable
  • Highly motivated, creative and collaborative
  • Must be organized and attentive to detail

About OTJ

OTJ is a premier architecture and design firm with offices in Washington, D.C., New York City, Miami, San Francisco, Boston, Dallas, and Chicago. For 35 years we have experienced an unparalleled and uninterrupted growth trajectory fueled by the design of award-winning projects for leading organizations across North America. We pride ourselves on our diverse and inclusive team as we continue our dynamic growth. We are now poised to further expand our reach and believe your skills and experience will be an asset to the ongoing success of our team. We are confident that OTJ will offer you the opportunity to do your best, most creative work in a dynamic atmosphere that welcomes fresh ideas.

Application

Qualified candidates should email your resume to HR@otj.com .

Equal Employment Opportunity Statement

OTJ is an Equal Opportunity Employer. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, genetic information, veteran status, or any other protected characteristic under federal, state, or local law.

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