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Mechanical Engineer

Job

JCSI

Boulder, CO (In Person)

Full-Time

Posted 1 day ago (Updated 11 hours ago) • Actively hiring

Expires 6/11/2026

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Job Description

Mechanical Engineer Location:
Boulder, CO (Hybrid flexibility available) About the Opportunity We are seeking a Mechanical Engineer with 3-5 years of experience in HVAC and building systems design to join our collaborative engineering team. This role is ideal for engineers with a background in MEP consulting or building systems engineering who are interested in contributing to sustainable, high-performance designs across a variety of project types. You'll work on a diverse range of projects including commercial, healthcare, hospitality, and renewable energy applications—playing a key role in the design and delivery of HVAC and mechanical systems. Why Join? Work on real-world projects—from breweries and restaurants to clinics and mixed-use developments Collaborative, small-team environment with hands-on project exposure Clear growth path into project engineering and client-facing roles Support for EIT/PE licensure and continued professional development Culture focused on practical design, sustainability, and continuous learning
Key Responsibilities:
Design and develop HVAC and mechanical systems for commercial and institutional buildings Perform heating and cooling load calculations, equipment selection, and system sizing Develop ductwork, piping, and ventilation system layouts using AutoCAD and/or Revit Coordinate with electrical, plumbing, and architectural teams to deliver integrated MEP solutions Participate in project coordination meetings with clients, architects, and contractors Support energy-efficient and sustainable design initiatives, including renewable and solar-integrated systems Conduct site visits and assist with construction observation to ensure design intent is met Prepare technical documentation, reports, and project deliverables
Qualifications:
Bachelor's degree in Mechanical Engineering or related field 3-5 years of experience in HVAC or MEP design for commercial or institutional buildings Working knowledge of HVAC systems, ductwork, hydronic piping, and ventilation design Familiarity with building codes, ASHRAE standards, and energy efficiency best practices Proficiency with AutoCAD and/or Revit Experience with load calculation software (e.g., Trane
TRACE, HAP, RHVAC
) is a plus Strong problem-solving and cross-functional collaboration skills EIT certification or progress toward PE licensure preferred Join the Team This role offers the chance to shape innovative projects while working in a supportive and collaborative environment. If you are passionate about engineering excellence and eager to make a meaningful impact, this opportunity is for you.

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