Senior Mechanical Engineer

Why Youll Love Working Here:

• A culture that values integrity teamwork and professional growth
• Opportunities to lead and contribute to game-changing projects
• An ownership mindsetour 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 were more than engineers architects and consultantswere changemakers with a shared purpose. Were driven by curiosity united by collaboration and committed to building a better futuretogether. Were 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 Youll Be Doing:

Design Leadership

• Lead the execution of complex HVAC system designs using advanced engineering techniques and technologies.
• Conduct energy modeling life cycle cost analysis and feasibility studies for proposed systems.
• Drive innovation in system selection integration and sustainability strategies.
• Oversee the production of construction documents and specifications

Team & Project Leadership

• Provide mentorship and technical guidance to junior and mid-level engineers.
• Coordinate cross-discipline design efforts and lead internal quality reviews.
• Manage scope schedule and deliverables on key projects.
• Support proposal development and pursuit strategy including go/no-go planning.

Client & Business Engagement

• Build and maintain strong relationships with clients and industry partners.
• Attend client meetings and lead technical discussions.
• Support business development efforts through project interviews client presentations and marketing activities.

Technical Focus Areas

• HVAC load calculations and energy analysis
• Equipment selection and system layout
• Ductwork and hydronic piping system design
• Controls and automation system design
• Plumbing and domestic water systems
• Code compliance LEED integration and sustainable design best practices

What You Bring to the Team:

• Bachelors degree in Mechanical Engineering or related field
• Licensed Professional Engineer (PE) required
• 15 years of experience in mechanical building systems design
• Strong proficiency in AutoCAD Revit and Microsoft Office Suite
• Excellent communication leadership and mentoring skills
• Proven ability to manage complex projects and deliver high-quality outcomes
• Familiarity with energy modeling software (e.g. Trane TRACE EnergyPlus) is a plus

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

Lets Build the Future Together!

If youre 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 lets create something extraordinary!

We Are an Equal Opportunity Employer

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

Required Experience:

Senior IC