What are the responsibilities and job description for the Mechanical Engineer position at JCSI?
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 offers the opportunity to work on a wide range of commercial, healthcare, hospitality, and renewable energy projects.
The ideal candidate has hands-on experience with HVAC system design, load calculations, and MEP coordination, and is passionate about energy-efficient and sustainable engineering solutions.
Why Join?
- Work on diverse projects—from breweries and restaurants to clinics and mixed-use developments.
- Collaborative, small-firm environment with big-project exposure.
- Growth path into project management and client-facing roles.
- Support for professional development, licensure, and continuing education.
- A culture centered on practical design, sustainability, and long-term value.
- Design and develop HVAC, plumbing, and mechanical systems for commercial and institutional buildings
- Perform heating and cooling load calculations, equipment sizing, and system selection
- Create and review mechanical system layouts, ductwork, and piping designs
- Collaborate 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 construction observations to ensure quality and design compliance
- Prepare technical reports, project specifications, and cost estimates
- Manage multiple projects while maintaining deadlines, budgets, and quality standards
Qualifications:
- Bachelor’s degree in Mechanical Engineering
- 3–5 years of experience in HVAC or mechanical design for commercial or institutional projects
- E.I.T. certification preferred; P.E. license is a plus
- Strong knowledge of HVAC systems, ventilation, duct design, and hydronic systems
- Familiarity with ASHRAE standards, building codes, and energy efficiency practices
- Proficiency in AutoCAD and/or Revit (BIM experience preferred)
- Experience with load calculation software (e.g., Trane TRACE, Carrier HAP, RHVAC)
- Strong communication and coordination skills across multidisciplinary teams
- Interest in sustainable engineering, energy efficiency, and practical system design
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.