Demo

Mechanical Engineer

OTJ Architects
Washington, DC Full Time
POSTED ON 4/16/2026
AVAILABLE BEFORE 5/16/2026
(Hybrid)

Job Description

OTJ is looking for an experienced Mechanical Engineer who is PE certified. This role focuses on the planning, design, and execution of mechanical systems for a wide range of building and infrastructure projects. The ideal candidate has strong technical expertise, experience, and a collaborative mindset suited for multidisciplinary AEC environments.

Responsibilities

  • Serve as Engineer of Record (EOR) for Mechanical design projects, including sealing and signing construction documents
  • Design and document mechanical systems for commercial, institutional, healthcare, higher education, mixed-use, and/or government facilities
  • Produce and review drawings, specifications, calculations, and technical narratives
  • Coordinate closely with architects, structural, civil, and MEP engineering teams throughout design development and construction
  • Participate in QA/QC reviews to ensure technical accuracy and firm standards are met
  • Support construction administration services, including shop drawing and submittal reviews, RFI responses, site visits, field observations, and closeout documentation
  • Interface with AHJs and utility providers across MD, VA, and DC for permitting and design approvals
  • Mentor junior engineers and designers; provide technical oversight and guidance
  • Support project management activities such as scope development, scheduling, and fee estimates
  • Contribute to proposals, interviews, and business development efforts as needed

Qualifications

  • Bachelor’s degree in mechanical engineering (ABET-accredited)
  • 5–10 years of experience in mechanical engineering within an AEC consulting environment
  • Active PE license in Maryland, Virginia, and Washington, DC
  • Strong working knowledge of NFPA, ICC, ASHRAE, and local jurisdictional codes
  • Proficiency in Revit and AutoCAD
  • Proficiency in Trane Trace 700 Load Calculation Software.
  • Experience coordinating within BIM and multidisciplinary design teams
  • Excellent communication, documentation, and organizational skills

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 send resume to HR@otj.com. Email must include number of years of mechanical engineering experience and if authorized to work in the US without sponsorship (Bonafide qualification for openings).

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.

Salary.com Estimation for Mechanical Engineer in Washington, DC
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