Senior Plumbing Engineer at MEP Engineering Firm in San Diego

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Job DescriptionJob Description Job Title : MEP Senior Plumbing Engineer Location : Full-time, on-site in Downtown San Diego, 92101

About Us : 120 Degreez MEP Engineering Firm is a leading provider of mechanical, electrical, and plumbing (MEP) engineering solutions. We specialize in delivering innovative and sustainable MEP designs for a wide range of projects, including commercial, multifamily, mixed-use, life science and industrial developments. Our team is dedicated to pushing the boundaries of engineering excellence while maintaining a commitment to environmental sustainability, building code and regulations, and client satisfaction.

Job Description : As a Senior Plumbing Engineer at 120 Degreez, you will be responsible for leading the design, analysis, and implementation of MEP systems for complex and high-profile projects. This position offers an exciting opportunity to showcase your expertise, mentor junior staff, and contribute to the continued success and growth of our firm.

Responsibilities :

• Lead the design and coordination of plumbing systems, including domestic water, sanitary waste and vent, storm drainage, natural gas, compressed air, laboratory, and specialty systems.
• Perform and review plumbing load calculations, pressure loss calculations, and equipment sizing to ensure system performance and efficiency.
• Prepare detailed plans, specifications, and construction documents for plumbing systems in compliance with applicable codes, standards, and client requirements.
• Review and respond to contractor submittals, RFIs, and shop drawings to verify alignment with design intent and applicable regulations.
• Provide technical guidance and mentorship to junior engineers and designers, fostering a collaborative learning environment.
• Coordinate plumbing system design with other disciplines—including architectural, structural, mechanical, and electrical—to ensure cohesive project integration and avoid conflicts.
• Conduct site observations and field verification during design and construction phases to ensure system installation aligns with approved documents and quality standards.
• Collaborate with clients, architects, and contractors to deliver creative, cost-effective, and code-compliant plumbing solutions.
• Stay informed about current California Plumbing Code, energy and water conservation standards, and sustainable design practices, incorporating new technologies and best practices into your work.

Qualifications :

Benefits :

Join Our Team

At 120 Degreez MEP Engineering, innovation fuels everything we do. We are seeking a forward-thinking Senior Plumbing Engineer ready to contribute to shaping the future of sustainable and high-performance building design. If you are passionate about technical excellence, collaborative teamwork, and professional growth—apply today and grow your career with us.

Other Information

120 Degreez is an Equal Opportunity Employer committed to fostering diversity and . We prohibit discrimination and harassment based on any protected characteristic as defined by federal, state, or local laws. All employment decisions are based on qualifications, merit, and business needs.

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