Mechanical Engineer

Mechanical & Plumbing Professional Engineer (PE)
California Code Compliance & Building Systems Design
Company: Delta T Energy Corp.
Location: Hybrid / Remote in Sonoma County
Employment Type: Full-Time
Industry: MEP Engineering / Building Systems Consulting
About Us
At Delta T Energy Corp., we design high-performance building systems for commercial, multifamily, institutional, and mixed-use developments throughout California and other U.S. markets. Our team values technical excellence, collaboration, practical engineering solutions, and long-term client relationships.
We are seeking a licensed Professional Engineer with deep expertise in California mechanical and plumbing code compliance who is passionate about delivering technically sound, constructible, and energy-efficient designs.
Position Overview
The Mechanical & Plumbing Engineer will lead the design and coordination of HVAC and plumbing systems for complex projects throughout California. This role is ideal for an experienced PE who thrives in multidisciplinary environments, enjoys solving code and system challenges, and wants meaningful involvement from concept through construction.
You will serve as a technical leader, mentor junior staff, and interface directly with architects, owners, contractors, and authorities having jurisdiction (AHJs).
Responsibilities
Lead HVAC and plumbing system design for commercial, multifamily, mixed-use, and institutional projects
Interpret and apply:
California Mechanical Code (CMC)
California Plumbing Code (CPC)
California Building Code (CBC)
California Energy Code / Title 24
ASHRAE and NFPA standards
Prepare permit-ready construction documents, specifications, and engineering calculations
Perform:
HVAC load calculations
Ventilation analysis
Equipment selection
Hydronic system design
Plumbing fixture calculations
Pipe and duct sizing
Coordinate with architects, structural, electrical, and civil disciplines
Support plan check responses, permit coordination, and construction administration
Review RFIs, submittals, and field conditions during construction
Mentor junior engineers and designers
Participate in client meetings and technical presentations
Qualifications Required
Professional Engineer Mechanical (PE) license in California
Active NCEES(or willingness to obtain) reciprocal licensing for applications in other states.
Bachelor’s degree in Engineering or related field
5+ years of mechanical/plumbing engineering experience
Strong knowledge of California mechanical and plumbing codes
Experience with Revit and AutoCAD
Familiarity with commercial, multifamily, mixed-use, or institutional projects
Strong communication and coordination
Skills Preferred
LEED accreditation
Experience with energy modeling or commissioning
Experience using IESVE energy modeling software
Project management experience
Familiarity with BIM coordination workflows
What Makes This Opportunity Different
High-impact California projects with strong technical depth
Flexible hybrid work environment
Direct collaboration with senior leadership
Clear advancement path into technical leadership or department management
Supportive engineering culture focused on mentorship and innovation
Competitive compensation with performance bonuses
Continuing education and licensing support
Compensation & Benefits
Competitive salary based on experience (110k - 145k per year)
Annual performance bonus
Medical, dental, and vision insurance
Simple IRA with company matching contribution
Flexible PTO
Paid PE renewal and professional memberships
Remote/hybrid flexibility
Continuing education reimbursement
Ideal Candidate Profile
You are a technically strong engineer who understands how to balance code compliance, constructability, energy efficiency, and project delivery. You enjoy collaborating with architects and owners, solving complex building systems challenges, and mentoring the next generation of engineers.
If you are looking for a role where your California code expertise is respected and your leadership can directly influence project success, we would love to speak with you.
Benefits:
401(k)
401(k) matching
Dental insurance
Health insurance
Paid time off
Vision insurance
Work Location: Hybrid remote in Cotati, CA 94931
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