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Lead Mechanical Engineer

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: PAE Engineers
Full Time position
Listed on 2026-09-13
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 104200 - 151100 USD Yearly USD 104200.00 151100.00 YEAR
Job Description & How to Apply Below

Job Details

Level: Experienced

Job Location

SFCA San Francisco - San Francisco, CA 94105

Position Type

Full Time

Job Category

Engineering

The Opportunity

PAE is seeking a strategic and technically accomplished Lead Mechanical Engineer in our San Francisco, or Los Angeles office, to spearhead project teams and drive the technical excellence of our mechanical systems. In this pivotal role, you will transition from individual design work to high-level project oversight, providing the engineering direction and mentorship necessary to bring complex projects from initial concept through final construction.

You will serve as a primary technical voice, ensuring that HVAC, Plumbing, and Fire Protection designs are innovative, compliant, and seamlessly integrated with other engineering disciplines.

Who We Are

PAE is an engineering and design firm that turns complex challenges into reality. By leveraging the latest technologies, we solve problems in unique ways, and our designs enable buildings and communities to be more resilient and efficient. PAE is trusted by our clients in every aspect of a project's lifespan, from idea to occupancy. We set ambitious goals backed by analysis to significantly conserve water and energy while balancing costs and long-term operational needs.

As a B Corp, we measure success by the benefits our projects provide to our clients, our communities, and our planet. We embrace innovation, transparency, sustainability, and lifelong curiosity.

What You'll Do
  • Oversee the preparation of deliverables and documents including narratives, calculations, drawings and specifications
  • Able to effectively communicate design options to a diverse stakeholder group
  • Provide engineering direction, mentorship and guidance for the project team
  • Independently evaluate and apply engineering judgment, techniques, and procedures to complete a project from concepts through construction
  • Oversee mechanical load calculations
  • Complete the project within the budget and schedule
  • Knowledge of other disciplines and direct interdisciplinary coordination
  • Provide updates to master specifications; provide input into standards
  • Apply knowledge of building codes, industry standards and mechanical engineering design principals
  • Perform engineering calculations and equipment selection
  • Provide opinions of probable construction costs
  • Perform site visits and issues reports
  • Implement the project quality management plan (QMP)
  • Perform other duties as assigned
What You Bring
  • Bachelor’s Degree in Engineering for discipline work
  • Relevant Professional Credential (i.e., PE) preferred
  • Requires a minimum of 4-8 years Mechanical Design or 6-10 years’ related work experience
  • Advanced understanding of mechanical engineering concepts, HVAC, Plumbing, Fire Protection and Energy Modeling
  • Thorough understanding of project phases and their associated deliverables
  • Develop the ability to assemble and run a team
  • Strong delegation skills
  • Effective written and verbal communication skills
  • Attention to detail and advanced organizational skills
  • Microsoft Office Suite
  • Revit/AutoCAD
What We Offer
  • Hiring Base Salary Range: $104,200-$151,100 annual
  • This position is eligible for time and a half overtime pay

The base salary is one component of PAE’s competitive compensation package for employees. We take into consideration a variety of factors including but not limited to skills, abilities, experience, education, credentials, internal equity and geographic location in determining exact salary offered. At PAE, employees are eligible for annual compensation reviews based on performance and business needs. The above range represents PAE's good faith and reasonable estimate of the range of possible compensation at the time of posting.

In addition, PAE offers a comprehensive benefits

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