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Self Employed Gas Engineer Jobs in Riverside, CA

Sr. Estimator

Riverside, CA · On-site

$185K - $225K/yr

... oriented company with deep roots in utility engineering, underground construction ... SoCal Gas, AT&T, and Verizon and we're trusted to deliver high-stakes projects that keep ...

Linde Gas & Equipment Inc. Maintenance Technician Chino, CA, United States req31193 1st shift What ... You are mechanically inclined with a strong, self-motivated work ethic Why you will love working ...

Showing results 41-60

Self Employed Gas Engineer information

See Riverside, CA salary details

$55.8K

$137K

$201.9K

How much do self employed gas engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for self employed gas engineer in Riverside, CA is $137,032.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,200.00 and $153,900.00 per year, depending on experience, location, and employer.

What is the difference between Self Employed Gas Engineer vs Employed Gas Engineer?

AspectSelf Employed Gas EngineerEmployed Gas Engineer
CredentialsGas Safe Register certification, relevant qualificationsGas Safe Register certification, relevant qualifications
Work EnvironmentWork independently at various client sitesWork for an employer, often at fixed locations or sites
Employer & Industry UsageOperates as a sole trader or contractor in the plumbing/heating industryWorks for a company or organization in the same industry
Work FlexibilityHigh; controls own schedule and workloadLower; follows employer’s schedule and policies

Self Employed Gas Engineers typically work independently, managing their own clients and schedule, while Employed Gas Engineers work for a company with set hours and responsibilities. Both roles require Gas Safe Register certification and relevant qualifications, but the work environment and flexibility differ significantly.

How much can you make as a self employed gas engineer?

Self-employed gas engineers typically earn between £30,000 and £60,000 annually, depending on experience, location, and the number of jobs completed. Rates can vary from £20 to £50 per hour, with experienced engineers charging higher fees for specialized services and certifications.

How to make money as a self employed gas engineer?

Self-employed gas engineers generate income by charging clients for installation, maintenance, and repair of gas appliances and systems, often setting their own rates based on experience and market demand. Building a strong reputation, obtaining relevant certifications, and expanding services can increase earning potential. Managing scheduling and costs effectively is essential for profitability.

What cities near Riverside, CA are hiring for Self Employed Gas Engineer jobs?

Cities near Riverside, CA with the most Self Employed Gas Engineer job openings:

Infographic showing various Self Employed Gas Engineer job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 18% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $137,032 per year, or $65.9 per hour.

Senior Plumbing Engineer - Irvine, CA

Tetra Tech, Inc.

Irvine, CA • On-site

$125K - $165K/yr

Full-time

Re-posted 29 days ago


Tetra Tech rating

6.4

Company rating: 6.4 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

403rd of 449 rated engineering


Job description

The Opportunity:
Glumac, a Tetra Tech company, is expanding our plumbing engineering group in Southern California and is seeking a Senior Plumbing Engineer who is passionate about sustainable design and ready to take a lead role on diverse projects. This is an opportunity to work on a wide variety of projects including healthcare, commercial, multifamily, and educational buildings. Short-term responsibilities include leading plumbing designs and supporting construction administration; long-term career growth includes building and leading a regional plumbing practice and shaping standards and workflows within the group.
Position Summary:
The Senior Plumbing Engineer will lead plumbing consulting and design efforts from Schematic Design through Construction Administration. The successful applicant be responsible for plumbing system calculations, technical design deliverables, coordination with other disciplines, QA/QC compliance, and mentoring junior staff. The role requires regular collaboration with internal and external project teams and regular site visits for field observation and investigation. The ideal candidate is a self-directed, solution-oriented professional with strong communication and organizational skills and a commitment to sustainable practices.
Essential Job Functions:
The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions:
• Lead plumbing designs and prepare construction documents.
• Perform fixture counts, pipe/equipment sizing, and other plumbing calculations.
• Coordinate with ownership, mechanical, electrical, structural, and architectural teams.
• Support Construction Administration: RFIs, submittal reviews, site visits, and field reports,.
• Adhere to QA/QC policies and escalate issues as needed.
• Mentor junior engineers/designers and help grow the local plumbing team.
• Assist with Business Development (BD) opportunities when needed.
Required Qualifications:
• 7+ years in consulting, construction, or similar.
• Valid PE license.
• Proficient in Revit (BIM).
• Strong plumbing design experience (commercial, healthcare, process, multifamily residential, and/or manufacturing).
• Clear communicator, organized, solution-oriented, able to work independently.
• Local to the region (+/- 30 miles to a Glumac office).
• Applicants must be currently authorized to work in the United States on a full-time basis; this position is not eligible for current or future employment visa sponsorship.
Preferred Qualifications:
• Medical gas or process piping experience (certifications a plus).
• LEED, LFA, or sustainability credentials (experience with water harvesting/treatment and heat pump water heaters a plus).
• Water treatment knowledge (experience with water softeners, descalers, interceptors, and similar treatment devices a plus).
• Fire protection knowledge (experience with wet/dry systems and dry-agent suppression systems a plus).
• Project Management, Business Development, or prior team leadership experience.
Work Environment and Location:
This position offers a hybrid work environment, with a requirement of two in-office days per week in our Los Angeles or Irvine office. All candidates must be located in and eligible to work in the U.S.
Compensation:
Salary Range: $125,000 - $165,000 (depending on experience)
The base salary range represents the low and high end of the compensation scale for this role. Actual salaries will be determined based on location, experience, responsibilities, and qualifications. This salary range is just one component of Glumac's total compensation package, which includes benefits, professional development opportunities, and additional incentives.
Why Glumac, a Tetra Tech Company:
Glumac has been a leader in the sustainable building design industry for over 50 years. In 2017 we joined Tetra Tech, enabling us to combine our expertise with the reach and resources of a prestigious global organization.
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For nearly 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.
Your Impact:
Join Glumac, a Tetra Tech company, to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.
Life at Glumac, a Tetra Tech Company:
The perks of working at Glumac, a Tetra Tech company, include:
• Comprehensive and market-competitive benefits.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.
About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. Our 25,000 employees work together to provide clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.
We invite applications from all interested parties.

What Tetra Tech employees say

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Tetra Tech logo

About Tetra Tech

Sourced by ZipRecruiter

Tetra Tech combines the resources of a global, multibillion-dollar company with local, client-focused delivery in more than 450 locations around the world. Our reputation rests on the technical expertise and dedication of our employees-21,000 associates working together to provide smart, scalable solutions for challenging projects. We are proud to be home to leading technical experts in water, environment, infrastructure, resource management, energy, and international development.

Industry

Civil engineering construction and environmental consulting services

Company size

10,000+ Employees

Headquarters location

Pasadena, CA, US