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Mechanical Engineering Jobs in Rialto, CA (NOW HIRING)

Perform mechanical engineering calculations (e.g., load calculations) and support system sizing and selection. * Collect, compile, and analyze engineering data from drawings, field observations, and ...

Perform mechanical engineering calculations (e.g., load calculations) and support system sizing and selection. * Collect, compile, and analyze engineering data from drawings, field observations, and ...

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Mechanical Engineer

Victorville, CA · On-site

$100K - $140K/yr

We are seeking a Mechanical Engineer to support manufacturing operations within a fast-paced ... Prepare engineering drawings, specifications, and technical documentation. * Manage capital ...

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

Sr. Mechanical Engineer

Pomona, CA · On-site

$121K - $148K/yr

Bachelor's degree in mechanical engineering or equivalent and 4+ years of Mechanical Engineering experience or equivalent work experience OR HS Diploma/GED and 6+ years of Mechanical Engineering ...

Showing results 21-40

Mechanical Engineering information

See Rialto, CA salary details

$45.6K

$103.2K

$167K

How much do mechanical engineering jobs pay per year?

As of Sep 9, 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:

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.

Associate Mechanical Engineer - Buildings

Riverside, CA • On-site

WSP
Civil Engineering Construction • 10K+ employees

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


WSP rating

8.6

Company rating: 8.6 out of 10

Based on 69 frontline employees who took The Breakroom Quiz

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Job description

Associate Mechanical Engineer - Buildings

Riverside, CA, United States

Job Description

This Opportunity

WSP is currently initiating a search for a Mechanical Engineer for our Riverside, CAoffice. Be involved in projects with our Property & Buildings Team and be a part of a growing organization that meets our clients' objectives and solves their challenges.

At WSP, we are driven by inspiring the right people to be part of our future-focused business objectives. Our devotion to teamwork has allowed us to build communities and expand our skylines. Here at WSP, anything is within our reach and yours as a WSP employee. Come join us and help shape the future!

The Associate Mechanical Engineer will support the planning, design, and delivery of mechanical building systems for a variety of projects, including commercial, healthcare, higher education, life sciences, mission critical, mixed-use, and other building types. Working alongside experienced engineers and multidisciplinary teams, you will contribute to the development of HVAC, plumbing, and related building systems while gaining valuable professional experience and technical mentorship.

Your Impact

  • Assist with the design and analysis of mechanical building systems, including HVAC, hydronic, plumbing, and temperature control systems.
  • Support the preparation of engineering calculations, technical reports, specifications, and construction documents.
  • Utilize engineering software and tools to perform load calculations, energy analyses, and system layouts.
  • Develop and revise design drawings using Revit, AutoCAD, and other design platforms.
  • Participate in field investigations, site visits, and existing conditions assessments.
  • Assist with construction administration activities, including reviewing submittals, responding to RFIs, and conducting site observations.
  • Coordinate with architects, structural engineers, electrical engineers, contractors, and other project stakeholders.
  • Support project managers and senior engineers in meeting project schedules, budgets, and quality objectives.
  • Conduct research related to codes, standards, and emerging technologies applicable to mechanical building systems.
  • Contribute to the preparation of client presentations and project deliverables.
  • Exercise responsible and ethical decision-making regarding company funds, resources, and conduct, and adhere to WSP's Code of Conduct and related policies and procedures.
  • Perform additional responsibilities as required by business needs.

Who You Are

Required Qualifications

  • Bachelor's Degree in Mechanical Engineering, Architectural Engineering, or a closely related discipline.
  • 1 to 3 years of relevant experience in mechanical engineering or building systems design.
  • Engineer in Training (EIT) certification or ability to obtain within six months of hire.
  • Familiarity with HVAC, plumbing, and building systems design principles.
  • Working knowledge of mechanical engineering fundamentals and industry standards.
  • Experience with Revit, AutoCAD, and Microsoft Office applications.
  • Strong verbal and written communication skills.
  • Ability to work effectively in a collaborative, team-oriented environment.
  • Strong organizational skills and attention to detail.
  • Demonstrated ability to manage multiple priorities and meet deadlines.

Preferred Qualifications

  • Prior internship or co-op experience in consulting engineering or the built environment.
  • Exposure to healthcare, higher education, commercial, laboratory, life sciences, or mission critical projects.
  • Familiarity with engineering analysis software such as Trane Trace, HAP, or similar tools.
  • Knowledge of ASHRAE, NFPA, International Mechanical Code (IMC), and related industry standards.

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:

WSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant’s education, experience, knowledge, skills, and 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.

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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