Mechanical Engineer

  • C.H. Guernsey & Company
  • Oklahoma City, Oklahoma
  • Full Time

Why You'll Love Working Here:

  • A culture that values integrity, teamwork, and professional growth
  • Opportunities to lead and contribute to game-changing projects
  • An ownership mindset-our ESOP structure means your success is our success
  • Competitive compensation & benefits
  • Emphasis on work-life balance and flexibility
  • A leadership team that listens and supports your ambitions

At Guernsey, we're more than engineers, architects, and consultants-we're changemakers with a shared purpose. We're driven by curiosity, united by collaboration, and committed to building a better future-together. We're redefining what it means to work in the AEC industry, blending innovation with integrity and giving every employee a real stake in the outcome. Here, your ideas matter, your growth is prioritized, and your career has limitless potential.

What You'll Be Doing:

Design & Technical Contributions

  • Assist in the design of HVAC systems using advanced engineering tools and methodologies
  • Support energy modeling, life cycle cost analysis, and system feasibility studies
  • Perform load calculations and assist with equipment sizing and selection
  • Design and layout ductwork and hydronic systems
  • Contribute to plumbing and controls system designs
  • Prepare specifications and coordinate with drawings from other disciplines
  • Stay current with applicable codes, standards, and sustainability practices

Project Support & Coordination

  • Collaborate with internal team members across disciplines to meet project deadlines and quality standards
  • Participate in internal reviews, project meetings, and site visits as needed
  • Support project documentation and submittals
  • Provide technical input during proposal development and project planning

What You Bring to the Team:

  • Bachelor of Science in Mechanical Engineering or related field (required)
  • 5-15 years of mechanical design experience in the AEC industry
  • PE license (required); if not licensed in Oklahoma, must obtain within two years
  • Proficient in AutoCAD, Revit, Microsoft Office Suite
  • Familiarity with HVAC load and energy modeling tools (e.g., Carrier HAP, Trane TRACE)
  • Strong communication skills and ability to work effectively on multi-discipline teams
  • Willingness to travel to project sites as needed

Essential Physical Functions:

  • Sit/stand at a desk or computer
  • Walk, stoop, stand and move around job sites
  • Travel and occasional site visits requiring stooping, standing, and lifting up to 30 lbs.
  • Frequent communication via phone, video, or in-person meetings
  • Ability to focus on digital and paper-based information for extended periods
  • Some project-based travel may be required

Let's Build the Future Together!

If you're ready to make an impact, challenge the status quo, and grow with a forward-thinking, employee-owned company, we want to hear from you. Apply now and let's create something extraordinary!

We Are an Equal Opportunity Employer

Guernsey is proud to be an Equal Employment Opportunity/Affirmative Action employer.

Job ID: 484162530
Originally Posted on: 7/5/2025

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