Junior Mechanical Engineer — HVAC, Piping & BIM

Salas O’Brien, Inc.; Tysons (VA); On-site; USD 55,000 - 75,000; Full time

Job summary

Salas O’Brien, Inc. in Tysons, VA is seeking an Entry-Level Mechanical Engineer to design building HVAC and plumbing systems and produce construction documents for Residential, Higher Education, Commercial, Science and Technology, and Federal Facilities.

You will read drawings, perform load calculations, develop system designs, and coordinate BIM and project teams. This role offers growth in a collaborative, owner-driven environment with strong training and mentorship.

Qualifications

• Bachelor’s degree in Mechanical Engineering.
• 0–3 years of experience in plumbing and piping system engineering and design.
• MEP design experience and knowledge of building codes.

Responsibilities

• Read and understand construction documents, floor plans, specifications, and equipment details.
• Develop HVAC system designs based on scope and client RFPs.
• Perform load and energy calculations using software such as Trace 700, Manual J, and similar programs.
• Coordinate BIM drawings and Building Information Modeling (BIM) for mechanical and plumbing systems.

Skills

MS Office

Communication

Organizational skills

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

BIM360

Job description

Salas O’Brien, Inc. in Tysons, VA is seeking an Entry-Level Mechanical Engineer to design building HVAC and plumbing systems and produce construction documents for Residential, Higher Education, Commercial, Science and Technology, and Federal Facilities.

You will read drawings, perform load calculations, develop system designs, and coordinate BIM and project teams. This role offers growth in a collaborative, owner-driven environment with strong training and mentorship.