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Mechanical Engineering Jobs in Rialto, CA (NOW HIRING)

WSP

Senior Mechanical Engineer - Buildings

Riverside, CA · On-site

$100K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Perform mechanical engineering design and technical delivery across a diverse portfolio including healthcare, commercial, higher education, and civic projects * Support design of HVAC, air ...

IMEG Corporation

Mechanical Project Engineer 1

Ontario, CA · On-site

$115K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Primary responsibilities will include engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry. This position will be expected to work ...

IMEG

Mechanical Project Engineer 1

Ontario, CA · On-site

$115K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Primary responsibilities will include engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry. This position will be expected to work ...

IMEG

Mechanical Project Engineer 1

Ontario, CA · On-site

$115K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Primary responsibilities will include engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry. This position will be expected to work ...

Rehlko, LLC

Mechanical Engineer

Pomona, CA · On-site

A safe and inclusive workplace Why You Will Love this Job Job Purpose To produce mechanical engineering design packages, providing input and support at all stages of a project from sales through to ...

AECOM

Sr Mechanical Engineer - Federal Experience

Orange, CA

$111K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bachelor's degree in Mechanical Engineering from an ABET accredited Mechanical Engineering Program * 6+ years of experience in mechanical design of HVAC and Plumbing systems or demonstrated ...

AECOM

Sr Mechanical Engineer - Federal Experience

Orange, CA · On-site +1

$111K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bachelor's degree in Mechanical Engineering from an ABET accredited Mechanical Engineering Program * 6+ years of experience in mechanical design of HVAC and Plumbing systems or demonstrated ...

Envista

Staff Mechanical Engineer

Pomona, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Bachelor's degree in Mechanical Engineering or related field plus minimum of 7 years of relevant work experience required OR High school diploma or equivalent plus 11 years of relevant work ...

Canopy A&D

Mechanical Design and Manufacturing Engineer

Ontario, CA

$77K - $104K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Proven leadership in engineering projects involving design, prototyping, and production of mechanical systems, including soft goods and polymer-based components. * Hands-on experience with advanced ...

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Showing results 41-60

All JobsMechanical Engineering JobsMechanical Engineering Jobs in Rialto, CA

Mechanical Engineering information

See Rialto, CA salary details

$45.6K

$103.2K

$167K

How much do mechanical engineering jobs pay per year?

As of Aug 17, 2026, the average yearly pay for mechanical engineering in Rialto, CA is $103,163.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,700.00 and $126,800.00 per year, depending on experience, location, and employer.

What is mechanical engineering?

Mechanical engineering is a branch of engineering that focuses on the design, analysis, manufacturing, and maintenance of mechanical systems. It involves principles of physics and materials science to create everything from small individual parts and devices to large systems like engines, machines, and HVAC systems. Mechanical engineers work in a variety of industries, including automotive, aerospace, energy, and manufacturing, developing solutions that improve efficiency, safety, and reliability.

What are the key skills and qualifications needed to thrive as a mechanical engineer?

To thrive as a Mechanical Engineer, you need a solid background in mathematics, physics, and engineering principles, typically supported by a bachelor's degree in mechanical engineering or a related field. Proficiency with CAD software (such as SolidWorks or AutoCAD), simulation tools, and familiarity with industry standards or certifications like FE/EIT are commonly required. Strong problem-solving, teamwork, and effective communication skills set top candidates apart in this field. These competencies ensure innovative, safe, and efficient design and implementation of mechanical systems across diverse industries.

What are some common challenges faced by mechanical engineers when working on multidisciplinary project teams?

Mechanical engineers often collaborate with professionals from electrical, software, and civil engineering backgrounds, which can present challenges in aligning project goals, communication styles, and technical languages. Successfully navigating these challenges requires strong teamwork, adaptability, and a willingness to learn about related fields. Mechanical engineers may need to bridge knowledge gaps, coordinate schedules, and ensure that their designs integrate seamlessly with those from other disciplines. Proactive communication and regular team meetings are key strategies for overcoming these hurdles and ensuring project success.

What is the difference between Mechanical Engineering vs Civil Engineering?

AspectMechanical EngineeringCivil Engineering
Required CredentialsBachelor's degree in Mechanical Engineering, PE license (optional)Bachelor's degree in Civil Engineering, PE license often required
Work EnvironmentManufacturing plants, design labs, R&D facilitiesConstruction sites, infrastructure projects, urban planning
Industry UsageAutomotive, aerospace, energy, manufacturingBuildings, bridges, roads, water systems

Mechanical Engineering and Civil Engineering share foundational engineering principles but differ in focus and work environments. Mechanical engineers often work in manufacturing and product design, while civil engineers focus on infrastructure and construction projects. Both fields require similar credentials but serve distinct industries and project types.

What careers are there in mechanical engineering?

Mechanical engineering offers careers such as design engineer, manufacturing engineer, systems engineer, research and development engineer, and project manager. These roles involve applying principles of physics and mathematics, working with tools like CAD software, and often require a bachelor's degree in mechanical engineering or related fields.

What type of jobs do mechanical engineers do?

Mechanical engineers design, develop, and test mechanical devices and systems such as engines, HVAC systems, manufacturing equipment, and robotics. They often work in industries like aerospace, automotive, energy, and manufacturing, utilizing skills in CAD software, thermodynamics, and materials science. Their roles can involve research, product development, testing, and maintenance, often requiring problem-solving and technical expertise.

What are the most commonly searched types of Mechanical Engineering jobs in Rialto, CA?

The most popular types of Mechanical Engineering jobs in Rialto, CA are:

What are popular job titles related to Mechanical Engineering jobs in Rialto, CA?

For Mechanical Engineering jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Mechanical Engineering jobs in Rialto, CA look for?

The top searched job categories for Mechanical Engineering jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Mechanical Engineering jobs?

Cities near Rialto, CA with the most Mechanical Engineering job openings:

Mechanical Engineering jobs near you
Infographic showing various Mechanical Engineering job openings in Rialto, CA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, 3% Contract, and 1% Nights. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $103,163 per year, or $49.6 per hour.

Senior Mechanical Engineer - Buildings

WSP

Riverside, CA • On-site

$100K - $147K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

WSP rating

8.6

Company rating: 8.6 out of 10

Based on 69 frontline employees who took The Breakroom Quiz

17th of 72 rated business consultants

Job description


This Opportunity
WSP is currently initiating a search for a Senior Mechanical Engineer to join our Property & Buildings team in Riverside, CA.
This role is ideal for a motivated engineer who brings experience across healthcare and other complex building sectors, including commercial, higher education, and civic projects, and is looking to grow within a collaborative, design-focused environment.
Be involved in projects with our Property & Buildings Team and be part of a growing organization that meets our clients' objectives and solves their challenges.
Your Impact
  • Perform mechanical engineering design and technical delivery across a diverse portfolio including healthcare, commercial, higher education, and civic projects
  • Support design of HVAC, air distribution, hydronic, plumbing, and building systems
  • Participate in the full project lifecycle, from concept development through construction and close-out
  • Analyze and interpret data from site conditions, drawings, and technical documents to support engineering solutions
  • Prepare and contribute to technical reports, specifications, and design documentation
  • Ensure designs comply with applicable codes, standards, and sector-specific requirements, including healthcare environments
  • Collaborate with multi-disciplinary teams to deliver integrated project solutions
  • Support client interactions and project meetings, building strong working relationships
  • Mentor junior staff and contribute to team development

Who You Are
Required Qualifications
  • Bachelor's Degree in Mechanical Engineering or Architectural Engineering
  • 5+ years of relevant experience in mechanical design for building systems
  • Experience supporting projects across healthcare and/or commercial, higher education, or civic sectors
  • Strong understanding of HVAC systems and mechanical design principles
  • Experience supporting projects from design through construction
  • Proficiency with Revit, AutoCAD, and related engineering tools
  • Strong communication and collaboration skills

Preferred Qualifications
  • Professional Engineer (PE) license or on track to obtain
  • Experience working on complex healthcare or institutional projects
  • Familiarity with California codes and local jurisdiction requirements
  • Experience working with multi-disciplinary engineering teams
  • LEED AP or sustainability credentials

WSP Benefits:
WSP provides a comprehensive suite of benefits focused on a providing health and financial stability throughout the employee's career. These benefits include coverage related to medical, dental, vision, disability, and life; retirement savings; paid sick leave; paid vacation (or other personal time); paid parental leave; and paid time off for purposes of bereavement, voting, and/or attendance at naturalization proceedings.
Compensation:
Expected Salary: $100,800- $147,000
WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant's education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location. WSP USA reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant's sex or other status protected by local, state, and/or federal law.
#LI-JM1
About Us
About WSP
WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.
www.wsp.com
WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability, life, and retirement savings focused on providing health and financial stability throughout the employee's career.
At WSP, we want to give our employees the challenges they seek to grow their careers and knowledge base. Your daily contributions to your team will be essential in meeting client objectives, goals and challenges. Are you ready to get started?
WSP USA (and all of its U.S. companies) is an Equal Opportunity Employer Race/Age/Color/Religion/Sex/Sexual Orientation/Gender Identity/National Origin/Disability or Protected Veteran Status.
The selected candidate must be authorized to work in the United States.
NOTICE TO THIRD PARTY AGENCIES:
WSP does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to WSP in the absence of a signed Service Agreement where WSP has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.

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