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Mechanical Plumbing Engineer/Designer (7+ years)

CoffmanEngineersInc

Los Angeles, CA, United States permanent

Posted: January 26, 2026

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Quick Summary

We are seeking a Mechanical Plumbing Engineer/Designer with 7+ years of experience in designing and developing complex plumbing systems for commercial and industrial clients.

Job Description

At Coffman Engineers, we serve as both prime consultant and sub consultant on projects large and small, including commercial, retail, institutional, government, industrial, and project/construction management. Incorporated in 1979, we have employees in more than 23 locations serving clients across the United States and overseas.

To meet client objectives and to integrate our many disciplines, we can create teams comprised of civil, structural, mechanical, electrical, fire protection, and corrosion control, as well as project/construction managers and professionals in a variety of specialty services. This ability has made us a leader in the engineering and construction communities, and has strengthened our reputation as being progressive, innovative, and a great place to work.

We are looking for a Mechanical Plumbing Engineer or Designer with a minimum of 7 years of experience, who wants to work and grow as a team player within our progressive multi-discipline firm. Ideal applicants will be well versed in all aspects of plumbing design and/or engineering. The desired individual should be comfortable consulting to owners and general contractors and have a desire to work as part of a multi-discipline engineering team.

The mission of this role is to fill a key place in our plumbing design team focused on significant large scale mid-rise and high-rise residential projects. Experience in healthcare, education, data centers, and other target markets is also ideal. This Designer will serve as a technical leader, bringing expertise in complex project design and execution while mentoring the team for long-term growth. They will help us execute increasingly diverse and sophisticated projects while maintaining high standards of quality, compliance, and innovation.

Compensation and Benefits:

• Approximate Base Salary – 110k-150k based on experience
• Paid overtime at 1.0 times hourly rate
• Competitive end of year discretionary bonus based on company/team/personal performance
• Hybrid Work Schedule (subject to change)
• 401k with maximum of 5% Contribution Matching for 9% Employee Contribution

This position is not eligible for sponsorship.

Qualifications

• Minimum of 7 years of experience designing plumbing systems for multi-family residential or commercial buildings. Los Angeles or California experience (preferred)
• B.A. or B.S. from an accredited college in related field (preferred).
• Certified in Plumbing Design (CPD) or equivalent (preferred)
• California EIT or PE Registration (preferred)
• Familiarity with relevant codes: mechanical, energy, plumbing 
• High proficiency with AutoCAD and Revit is required.

Knowledge, Skills & Abilities

• Capable of performing engineering and/or design work without supervision.
• Experienced with the latest release of Revit, AutoCAD, BIM 360, and other CAD and BIM tools common to the discipline.
• Works from detailed sketches to produce computer-generated graphs, charts, overlays, and simple isometric drawings.
• Capable of designing domestic water calculations and multi-system riser diagrams.
• Analyze sketches, notes, and other input material to determine the best approach for the completion of drawings.
• Able to design layouts, details, and overall system design for typical, discipline-specific systems.
• Able to perform field observations and reports
• Able to work with numerous project teams to assist with project completion.
• Knowledge of codes and design and construction practices. 
• Able to multi-task and prioritize in a fast-paced environment.
• Detail oriented, possess a high degree of accuracy.
• Able to work independently as well as part of a team.
• Excellent verbal, written and interpersonal communication skills. 
• Positive contributor to overall office and department goals, culture, and morale.
• Performs other duties as may be assigned. 

Why You Want To Work Here

Coffman truly focuses on its employees. We support and encourage individually tailored professional and technical advancement as well as personal growth. We offer an excellent salary and comprehensive benefits package (including eligibility for annual discretionary bonuses), a desirable location, and a professional office environment with the opportunity to work with a collaborative team.

Don’t take our word for it. Check out what others are saying:

http://www.glassdoor.com/Reviews/Coffman-Engineers-Reviews-E409809.htm

Coffman At A Glance:

• 47 years in business.
• 850+ employees serving clients throughout the U.S. and overseas from more than 23 locations.
• Multi-discipline engineering services plus corrosion control, commissioning and project/construction management.
• 70+ employees in 9 offices, providing Fire Protection services since 2014.
• #34 Top 80 Engineering Firms, Building Design + Construction, 2022.
• #29 Zweig Group Hot Firm List, Zweig Group, 2021.
• #161 Top 500 Design Firms, Engineering News-Record, 2023.

Applying

You must apply online for this position. If you are unable to complete our online application process, or if you need assistance to do so, let us know so we can provide a reasonable accommodation.

If you are experiencing problems applying through our system, please try again using a different browser or an updated version of your current browser. If that doesn't work, please contact us directly.

This position is direct with Coffman Engineers; we are an Equal Opportunity Employer. We do not discriminate on the basis of any status protected under federal, state, or local law.

Follow us!

www.coffman.com

Twitter: @CoffmanEngineer

Instagram: @CoffmanEngineers

LinkedIn: https://www.linkedin.com/company/coffman-engineers

Facebook: @CoffmanEngineers

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