HVAC Design Engineer & Account Exec – Own Projects

United Systems Mechanical, LLC; Washington (District of Columbia); Hybrid; USD 85,000 - 110,000; Full time

Benefits offered by this job

Base salary + bonus

Vehicle allowance

Health insurance

401(k) with match

PTO & holidays

Growth opportunities

Job summary

United Systems Mechanical, LLC seeks a Mechanical Design Engineer / Account Executive for Seattle-based TI and special projects. The hybrid role combines HVAC design with direct customer engagement, guiding projects from walkthroughs to execution.

You will own designs, estimates, proposals, and post-sale coordination with operations. The role requires a mechanical engineering background or equivalent HVAC experience, proficiency in AutoCAD/Bluebeam, and strong client interaction skills.

Qualifications

• Background in Mechanical Engineering or HVAC design (degree or equivalent experience).
• Experience with commercial HVAC systems (TI/retrofit work is a plus).
• Ability to create HVAC drawings and layouts independently.
• Comfortable working directly with customers.
• Proficiency in AutoCAD, Bluebeam, and Microsoft Office.

Responsibilities

• Meet with customers, contractors, and property managers to develop HVAC solutions.
• Perform site walks, field measurements, and as-builts.
• Create HVAC layouts and drawings using AutoCAD and/or Bluebeam.
• Estimate projects and prepare proposals.
• Help manage projects after the sale in coordination with operations.

Skills

HVAC design

AutoCAD

Bluebeam

Customer-facing

Estimating

MS Office

Education

Bachelor's degree in Mechanical Engineering or HVAC design

Tools

AutoCAD

Bluebeam

Microsoft Office

Job description

United Systems Mechanical, LLC seeks a Mechanical Design Engineer / Account Executive for Seattle-based TI and special projects. The hybrid role combines HVAC design with direct customer engagement, guiding projects from walkthroughs to execution.

You will own designs, estimates, proposals, and post-sale coordination with operations. The role requires a mechanical engineering background or equivalent HVAC experience, proficiency in AutoCAD/Bluebeam, and strong client interaction skills.