Benefits:

401(k)

Competitive salary

Dental insurance

Employee discounts

Flexible schedule

Health insurance

Opportunity for advancement

Paid time off

Training & development

Vision insurance

Wellness resources

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 Mechanical Engineer at 120 Degreez, you will be responsible for leading the design, analysis, and implementation of mechanical systems for complex and high-profile projects. This position offers an exciting opportunity to apply advanced technical expertise, guide project teams, mentor junior staff, and play an integral role in the continued growth and success of our firm.

Responsibilities:

Lead the design and coordination of mechanical (HVAC) systems, including heating, ventilation, air conditioning, and related mechanical infrastructure for a variety of building types.

Perform and review load calculations, energy modeling, and system sizing using industry-standard software and methodologies to ensure efficient and sustainable design.

Develop and oversee plans, specifications, and construction documents for mechanical systems, ensuring compliance with applicable codes, standards, and project requirements.

Review contractor submittals, RFIs, and shop drawings to confirm adherence to design intent, specifications, and governing regulations.

Provide technical mentorship to junior engineers and drafters, encouraging professional development and maintaining high-quality deliverables across projects.

Coordinate mechanical systems with architectural, structural, electrical, and plumbing disciplines to ensure seamless design integration and avoid conflicts.

Conduct site visits and field observations during design and construction phases to verify installations, troubleshoot technical challenges, and ensure quality control.

Collaborate with clients, architects, and contractors to develop cost-effective, energy-efficient, and code-compliant HVAC solutions that meet both functional and aesthetic goals.

Stay current with California Mechanical Code, Title 24 Energy Standards, ASHRAE guidelines, and emerging technologies in mechanical and sustainable design.

Qualifications:

Bachelor’s degree in Mechanical Engineering or a related discipline from an accredited institution.

Minimum of 7 years of progressive mechanical design experience, with demonstrated ability to lead projects from conceptual design through construction administration.

PE license (or ability to obtain licensure within a reasonable timeframe).

Proficiency in AutoCAD, Revit, and mechanical design software such as Trace 700, HAP, or equivalent load and energy analysis tools.

In-depth understanding of California Mechanical Code, Title 24 Energy Standards, and HVAC design best practices.

Strong analytical, organizational, and problem-solving skills with exceptional attention to detail.

Proven ability to mentor junior engineers, manage project deadlines, and coordinate effectively with multidisciplinary design teams.

Self-motivated and passionate about advancing energy-efficient, sustainable, and high-performing building design.

Benefits:

• Competitive salary commensurate with experience.

Comprehensive health, dental, and vision insurance coverage.

401(k) retirement plan.

Paid Time Off (PTO) and company holidays.

Flexible work schedule in a supportive, collaborative environment.

Employee Assistance Program.

Professional development and continuing education support.

Opportunities for advancement and leadership within a growing firm.

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 inclusion. 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.