Demo

Senior Mechanical Project Manager

Core States Group
Ontario, CA Full Time
POSTED ON 12/27/2025
AVAILABLE BEFORE 2/2/2026
Overview

Core States Group designs, builds, and manages programs and projects across North America and has been recognized on top lists throughout the architecture, engineering, and construction (A/E/C) industry. Established in 1999, the company offers integrated solutions with seamless continuity, and many of the world’s most notable brands count on Core States Group to deliver speed to market, cost certainty, and compelling design. With 23 offices across the United States and Canada, Core States Group is an industry powerhouse that drives innovation and improves everyday life for countless people across several markets, including Convenience, Distributed Generation, Financial, Grocery, Housing, Industrial, Restaurants, Retail, Semiconductor, Tribal, Zero-Emission Vehicle (ZEV) Infrastructure, and more. Visit us at www.core-states.com .

Summary Of Position

As a Senior Mechanical Project Manager, supporting our Architecture and Engineering business unit, you will be leading a team of Project Engineers and Designers. You will apply experience in: HVAC, plumbing/piping, and fire protection systems. As part of a multi-disciplined firm, you will be coordinating with Site/Civil Engineers, Electrical Engineers, Structural Engineers, Architects, and Construction Project Managers. You will be responsible for fully planning, executing, and finalizing projects according to project parameters for deliverables, schedules, and budgets for assigned clients.

Who You Are

You demonstrate strong communication and enjoy fostering strong relationships. You proactively seek opportunities to improve processes which offer better ideas, thus supporting innovation. You align with business objectives. You want to be part of a strong culture that is built upon respect and teamwork. You are professional, accountable, and committed to learning. You align with our Core Values of: Integrity, Service, Excellence, Innovation, Inclusion.

Responsibilities

  • Serve as the lead point of contact for clients.
  • Conduct initial project investigation.
  • Prepare and negotiate proposals and contracts with clients and sub-consultants.
  • Plan staffing and establish budget hours within project parameters for all assigned staff.
  • Manage staff and staffing schedules during the production process.
  • Oversee project scheduling for all project related activities for all parties involved.
  • Coordinate permitting approval process.
  • Collect A/R’s, efficiency evaluations, profit evaluations and manage the financial aspect for all projects.
  • Manage multiple projects with multiple clients simultaneously.
    • Organize and maintain project files.
    • Maintain documentation for billable hours.
    • Demonstrate an understanding of liability issues related to design.
    • Demonstrate an understanding of constructability and complex design.
    • Develop and mentor staff.
    • Participate in business development which involves attendance at marketing functions, business dinners/events, and cross marketing with other offices.
Qualifications

  • 10 years of combined production and management experience with general building mechanical engineering, preferably with commercial projects such as retail or restaurants
  • Bachelor's Degree in Mechanical Engineering required
  • P.E. License preferred
  • AutoCAD, Revit, and Microsoft Office

Team

You will work with a team of Design Engineers, Professional Engineers, and Project Managers.

Work Location:

This role is based out of our Ontario, CA, Long Beach, CA, or Roseville, CA offices. While we encourage a hybrid work schedule, we are open to remote candidates within the state of California.

Benefits

  • COMPENSATION – Competitive wages and bonus programs
  • RETIREMENT – We offer a great 401(k) match to help you invest in your future and grow your retirement savings with confidence.
  • HEALTHCARE – Excellent health benefits, life insurance options, and supplemental benefit options, giving you the flexibility to choose the coverage that best fits your needs and lifestyle.
  • VACATION – Generous PTO time to help you recharge, relax, and maintain a healthy work-life balance.
  • PERKS – Team wellness challenges, Costco membership reimbursement, half-day Fridays during summer months much more!
  • WORK-LIFE BALANCE – A flexible work environment that supports a healthy work-life balance, whether you’re in the office, working remotely, or somewhere in between.
  • PAID PARENTAL LEAVE – Four weeks of fully paid parental leave to give you time to bond with your new addition and support your growing family.
  • TUITION REIMBURSEMENT – Advance your education with support! We offer tuition reimbursement to support your learning journey.

Note: Please do not be concerned if you do not meet every requirement. At Core States we are dedicated to building a diverse and inclusive workplace, so if you are excited about this role but your experience does not align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

This position will remain open until it is filled.

Salary : $140,000 - $170,000

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