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About the job

Mechanical Engineer II/III

Location: Seattle, WA (Hybrid)

Salary: $78,103 – $123,676 + Profit Sharing

Help Drive the Future of Sustainable Building Design

Are you passionate about combating climate change through innovative building solutions? We are partnering with a leading engineering consulting firm seeking a Mechanical Engineer II/III to help design and implement high-performance building systems that improve energy efficiency and accelerate decarbonization.

This role offers the opportunity to work on meaningful projects across multifamily housing, commercial office, municipal, and healthcare facilities, supporting both new construction and retrofit applications. You'll contribute to innovative engineering solutions that help transition buildings away from fossil fuels toward highly efficient all-electric systems.

Key Areas of Focus

Electrifying buildings through high-efficiency heat pump and electric technologies.

Reducing building energy consumption to improve overall grid capacity.

Supporting grid flexibility by designing systems that optimize energy use during periods of renewable energy availability.

What You'll Do

As a Mechanical Engineer II/III, you will:

Support mechanical system design under the guidance of senior engineers while independently leading smaller projects.

Serve as a client-facing technical resource for assigned projects and tasks.

Perform HVAC load calculations and mechanical equipment selection.

Coordinate designs with plumbing and electrical engineering disciplines.

Prepare construction documents, equipment specifications, and code compliance documentation.

Manage internal design reviews, incorporate feedback, and resolve review comments.

Address permit review comments and update project documentation accordingly.

Participate in construction administration, including submittal reviews, RFIs, site observations, and contractor coordination.

Analyze utility billing data to evaluate building energy performance.

Develop feasibility studies and conceptual designs for mechanical systems.

Perform Life Cycle Cost Analyses (LCCA) to evaluate energy conservation measures.

What You'll Be Solving

Developing practical, innovative solutions to complex engineering challenges.

Delivering projects on schedule and within budget while maintaining strong client relationships.

Balancing multiple projects and shifting priorities in a collaborative environment.

What Makes You Successful

Strong engineering judgment and practical mechanical design experience.

Curiosity and willingness to explore new technologies and challenge traditional approaches.

Understanding of thermodynamics, heat transfer, and building energy systems.

Excellent communication and collaboration skills across multidisciplinary teams.

Strong organization and attention to detail.

Minimum Qualifications

Bachelor's degree in Engineering, Science, Mathematics, or a related field with 2+ years of relevant experience, or a Master's degree with 1+ years of experience.

Professional Engineer (PE) license or Engineer in Training (EIT) certification with active pursuit of PE licensure.

Working knowledge of building codes and green building rating systems (LEED, ESDS, Living Building Challenge, etc.).

Proficiency with:

AutoCAD 2D

Revit

Trane TRACE

Microsoft 365

Bluebeam Revu

Preferred Qualifications

Strong technical writing and communication skills.

Experience using energy modeling software such as EnergyPlus, eQuest, or IES.

Programming experience with Python, R, or MATLAB.

Work Arrangement

Hybrid schedule with a minimum of three days per week in the downtown Seattle office.

Compensation & Benefits

Salary: $78,103 – $123,676

Additional benefits include:

Profit-sharing bonus eligibility

160 hours of annual vacation

Paid winter office closure during the last week of the year

Paid sick leave

Eight additional company holidays

Four-week paid sabbatical after 10 years of service (available every six years thereafter)

100% employer-paid medical coverage for employees

3% Safe Harbor 401(k) contribution regardless of employee participation

Complimentary unlimited ORCA transit pass

Up to $2,000 annually for professional development and training

If you're excited about designing sustainable building systems and making a meaningful impact on the future of energy-efficient buildings, we'd love to hear from you.