Top 15 Senior mechanical engineering designer Jobs in Riverside, Ca

Senior Mechanical Engineering Designer
Core States Group —Ontario, CA
- $40 - $58 an hour
- Full-time
- Hybrid work
- Research
- Office
- Microsoft Office
- Paid parental leave
- Health insurance
Mechanical Engineer Refrigeration/CAD
TDI REFRIGERATION —Rancho Cucamonga, CA
- $28 - $40 an hour
- Full-time
- Analysis skills
- Entry level
- Commercial
- Paid holidays
- Health insurance
Quick Apply
Sr. Mechanical Engineer
General Micro Systems, Inc. —Rancho Cucamonga, CA
- Full-time
- Background check
- Bachelor of Science
- Pass drug screening
- Disability insurance
- Health insurance
Quick Apply
Sr. PCB Designer
Penguin Solutions —Irvine, CA
- $120,000 - $135,000 a year
- 5 years
- Bachelor of Science
- Research
- Health insurance
- Dental insurance
Senior Electrical Engineer - Buildings
WSP —Riverside, CA
- $100,800 - $147,000 a year
- 5 years
- System design
- Office
- Paid parental leave
- Disability insurance
Sr. Plumbing Designer
RimePro Inc —Jurupa Valley, CA
- $90,000 - $130,000 a year
- Full-time
- Hospitality
- 7 years
- Schematics
Quick Apply
2026 Early Career System Hardware Design Engineer
TP-Link Systems Inc. —Irvine, CA
- $100,000 - $120,000 a year
- Full-time
- Research
- Master's degree
- US work authorization
- Health insurance
- Dental insurance
Quick Apply
Senior Technician, Special Projects
Rivian —Irvine, CA
- Full-time
- Management
- Software development
- Senior level
Quick Apply
CAD Drafter
Industrial Threaded Products —Ontario, CA
- $20 - $22 an hour
- Full-time
- Spanish
- Mid-level
- 3 years
- Health savings account
- Disability insurance
Quick Apply
15h
Senior Substation Engineer
Electrical Consultants, Inc. —Ontario, CA
- $119,000 - $217,000 a year
- Urgently hiring
- 6 years
- Writing skills
- System design
- Profit sharing
- Paid parental leave
Quick Apply
Fire Sprinkler Design Assistant Manager
Cosco Fire Protection —Corona, CA
- $48 - $63 an hour
- Full-time
- Microsoft Excel
- Bachelor of Science
- Basic math
- Flexible schedule
Quick Apply
Senior Substation Protection Engineer
Electrical Consultants, Inc. —Ontario, CA
- $139,000 - $217,000 a year
- Urgently hiring
- 5 years
- System design
- Office
- Profit sharing
- Paid parental leave
Quick Apply
Linear (Pipeline) Design Engineer
GFT. —Irvine, CA
- $75,000 - $150,000 a year
- Full-time
- Hybrid work
- 5 years
- Office
- Microsoft Office
- Disability insurance
- Health insurance
Lecturer AY - Architecture
California State University —Pomona, CA
- Temporary
- Background check
- Classroom
- Mid-level
- Health insurance
- Dental insurance

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Mechanical Engineer Refrigeration/CAD
TDI REFRIGERATION —Rancho Cucamonga, CA
You’ll work directly under a licensed Professional Engineer (PE) and gain exposure to design, estimating, and field operations.
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Principal Mechanical Engineer
Fieldpiece Instruments —Orange, CA
Collaborate with mechanical, electrical, firmware, software, application engineering, product management, quality, project management, and global manufacturing…
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Senior Mechanical Engineer, Data Centers - Remote (U.S.)
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A bachelor's degree in mechanical engineering, HVAC engineering, or a related field from an accredited university is typically required.
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Bachelor’s degree in Mechanical Engineering plus ten (10) years of relevant experience in mechanical design and/or mechanical engineering, with a focus on data…
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Senior Mechanical Engineering Designer

Core States Group -
Ontario, CA

Apply Now

Job Details

Full-time
$40 - $58 an hour

Benefits

Paid parental leave
Health insurance
Tuition reimbursement
Paid time off
Parental leave
401(k) matching
Life insurance

Qualifications

CAD software
Research
Microsoft Office
Revit
Building information modeling (BIM) tools

Full Job Description

At Core States Group, the work you do matters to the clients we serve, the communities we support, and the teams who rely on one another to deliver with excellence. Our Cause is powerful: to create a world where all environments improve everyday life.

This role is paid on an hourly basis with a range of $40-$58 and is eligible for overtime in accordance with applicable laws. The expected approximate annualized compensation range is $85,000–$120,000.

Why Professionals Choose Core States Group

Here's what you can expect:

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.

Summary of the role

As a Sr Mechanical Engineering Designer supporting our Architecture and Engineering business unit, you will be responsible for designing and drafting mechanical engineering projects under the guidance of Mechanical Engineers/Project Managers. The scope of design will include HVAC, plumbing/piping, refrigeration, fire protection, and fuel systems. As part of a multi-disciplined firm, you will coordinate with Site/Civil Engineers, Electrical Engineers, Structural Engineers, Architects, and Construction Project Managers. You will be responsible for the production of mechanical engineering construction documents while adhering to client requirements, code requirements, and site adjustments.

Responsibilities

Assist with design tasks and reports under the direction of senior staff.
Conduct site feasibility research and site visit investigations as well as generate reports/recommendations based on findings.
Assist in maintaining task budgets.
Coordinate and assist with addendums, RFI's and change orders.
Assist in coordinating the work of a multi-disciplined team throughout the design development and contract document phases of a project.
Assist senior staff with the project approval process.
Other related responsibilities as necessary to fulfill the objectives of this role.

Qualifications

We’re looking for talented professionals who are eager to grow their skills and contribute to high-quality, meaningful work. If you’re driven, collaborative, and ready to take the next step in your career, we want to hear from you. The following qualifications will help you succeed in this role:

Bachelor's degree in mechanical engineering
4+ years of experience with general building mechanical design production, preferably with commercial projects such as retail, restaurants, grocery, financial, and/or convenience stores.
EIT preferred, not required.
Revit, AutoCAD, MS Office required

Work Location

This is a remote or hybrid (1 or 2 days a week in the office) position based out of the following Core States Group offices: Kent, Puyallup, or Bellevue, WA. We're open to a remote candidate living in Washington, Oregon, California, Arizona, Nevada, or Idaho.

Company 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 24 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.

A Note to Candidates

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.

Apply Now

Refine Your Search

senior mechanical engineering designer jobs in riverside, ca

Senior Mechanical Engineering Designer

Mechanical Engineer Refrigeration/CAD

Sr. Mechanical Engineer

Sr. PCB Designer

Senior Electrical Engineer - Buildings

Sr. Plumbing Designer

2026 Early Career System Hardware Design Engineer

Senior Technician, Special Projects

CAD Drafter

Senior Substation Engineer

Fire Sprinkler Design Assistant Manager

Senior Substation Protection Engineer

Linear (Pipeline) Design Engineer

Lecturer AY - Architecture

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