1

Freelance Systems Engineer Jobs in Riverside, CA

... as engineering applications and automated control systems. The UX Assistant will support our ... or professional preferred, freelance considered). • University Extension Certification ...

Freelance Systems Engineer information

See Riverside, CA salary details

$55.8K

$132.7K

$174.2K

How much do freelance systems engineer jobs pay per year?

As of Jul 28, 2026, the average yearly pay for freelance systems engineer in Riverside, CA is $132,719.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,200.00 and $163,800.00 per year, depending on experience, location, and employer.

What is a Freelance Systems Engineer job?

A Freelance Systems Engineer is an independent professional responsible for designing, implementing, and maintaining complex systems for clients on a contract basis. They work across industries like IT, aerospace, healthcare, and telecommunications, ensuring system performance, security, and scalability. Their responsibilities may include system architecture, troubleshooting, integration, and optimization. Freelancers in this role often manage multiple projects, offering flexible solutions tailored to each client’s needs.

What does a typical project look like for a Freelance Systems Engineer?

As a Freelance Systems Engineer, a typical project might involve assessing a client's existing IT infrastructure, designing and implementing integrated systems, and ensuring optimal network performance and security. You may work independently or collaborate with client-side IT teams, often managing your own schedule and communication. Projects vary in length and complexity, ranging from short-term troubleshooting assignments to long-term infrastructure overhauls. This diversity allows you to continually expand your skills and work with a wide range of industries and technologies.

What are the key skills and qualifications needed to thrive in the Freelance Systems Engineer position, and why are they important?

A Freelance Systems Engineer should possess expertise in systems integration, network infrastructure, troubleshooting, and a degree in computer science or related fields. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are often expected. Strong project management, communication, and client relationship skills help build trust and ensure project success. These competencies are crucial for delivering reliable, high-quality solutions for clients with diverse and evolving technical requirements.

What are the most commonly searched types of Systems Engineer jobs in Riverside, CA? The most popular types of Systems Engineer jobs in Riverside, CA are:
What are popular job titles related to Freelance Systems Engineer jobs in Riverside, CA? For Freelance Systems Engineer jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Freelance Systems Engineer jobs in Riverside, CA look for? The top searched job categories for Freelance Systems Engineer jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Freelance Systems Engineer jobs? Cities near Riverside, CA with the most Freelance Systems Engineer job openings:
Infographic showing various Freelance Systems Engineer job openings in Riverside, CA as of July 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $132,719 per year, or $63.8 per hour.
Mesa Energy Systems, Inc.

$23 - $27/hr

Full-time

Posted 16 days ago


Job description

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.


The UX Assistant will support our Service Department operations by streamlining processes with application development, process automation, user support, and graphic design. A qualified candidate must have a strong desire to work in a fast-paced environment, work collaboratively on multiple projects, learn with initiative, and have effective communication skills.


• Meet weekly with team members to manage project delegation, timelines, and production.
• Develop solutions with MS 365 Applications: PowerApps, Power Automate, and SharePoint.
• Support end users and seek feedback when troubleshooting or providing training.
• Assist with data entry to prepare or clean up before implementing a custom UX solution.
• Help drive an engaging, cohesive experience across all company platforms and devices.
• Become immersed in Service Operations to comprehend processes, optimize workflows, and adapt to support role in a corporate HVAC atmosphere.
• Undergo tailored training alongside the UX Designer on active projects in and outside of the Service Department operations


• High school diploma or equivalent.
• 2 years design experience (educational or professional preferred, freelance considered).
• University Extension Certification, Associates, or bachelor’s degree in Graphic Design or UX/UI Design
• Microsoft Office Experience (Excel, Word, Outlook, Suite Package)
• Strong written and oral communication skills.
• Detail oriented, accurately follows instruction, and great note taker.
• Self-motivated with an ability to adapt quickly and navigate new software.
• Creative problem-solving to proactively address issues with logic and efficiency.
• Strong proficiency with Microsoft Office, including Word and Excel.
• A familiarity with coding hierarchy and logic including HTML or Java Script.
• Work experience in a corporate office atmosphere (preferred)
• Two (2) years of experience in Graphic Design using Adobe Creative Suite (preferred).

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite


As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Please review our Affirmative Action Policy.


Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine.
EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCORs normal application process it is probably fraudulent.

Compensation Range: $23 - $27 per hour.