Senior Mechanical Engineer - HVAC & Building Systems

Citrine-LL; Lakewood (CO); Hybrid; USD 85,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with company match

Paid time off and holidays

Flexible work schedules

Job summary

Citrine LLC is seeking a Mechanical Engineer to design and deliver HVAC and plumbing systems for commercial and industrial projects in Colorado. You will perform calculations, sizing, system analysis, and produce technical documentation, collaborating with project managers, engineers, and contractors.

The role supports design development, construction administration, commissioning coordination, and field work with occasional site visits and travel.

Qualifications

• Design HVAC, plumbing, and mechanical systems for building projects.
• Perform load calculations, equipment sizing, system analysis, and evaluations.
• Develop engineering solutions to improve performance, reliability, safety, and code compliance.
• Prepare technical reports, drawings, specifications, and documentation.

Responsibilities

• Support projects through design development, construction administration, and commissioning coordination.
• Review requirements and design criteria to ensure successful execution.
• Coordinate with clients, contractors, and internal teams for timely delivery.
• Conduct site visits and equipment assessments as required.
• Troubleshoot and resolve design issues during all project phases.

Skills

HVAC design

Plumbing design

System analysis

Technical documentation

Cross-functional coordination

Field support

Education

Bachelor's degree in Mechanical Engineering

Tools

Revit

AutoCAD

Load calculation software

Job description

Citrine LLC is seeking a Mechanical Engineer to design and deliver HVAC and plumbing systems for commercial and industrial projects in Colorado. You will perform calculations, sizing, system analysis, and produce technical documentation, collaborating with project managers, engineers, and contractors.

The role supports design development, construction administration, commissioning coordination, and field work with occasional site visits and travel.