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Mechanical System Engineer Jobs in Riverside, CA

Neon Aerospace

Sr. Mechanical Engineer

Irvine, CA · On-site

$150K - $175K/yr

Lead mechanical system design and integration across complex, multi-domain programs. * Own a ... Bachelor's or Master's in Mechanical Engineering or related degree is preferred; relevant ...

Neon Aerospace

Mechanical Engineer

Irvine, CA

We're looking for a Mechanical Engineer to help design and integrate complex mechanical and ... This role supports high-performance systems across aerospace, transportation, robotics, and ...

Neon Aerospace

Mechanical Engineer

Irvine, CA · On-site

We're looking for a Mechanical Engineer to help design and integrate complex mechanical and ... This role supports high-performance systems across aerospace, transportation, robotics, and ...

Neon Aerospace

Mechanical Engineer

Irvine, CA · On-site

We're looking for a Mechanical Engineer to help design and integrate complex mechanical and ... This role supports high-performance systems across aerospace, transportation, robotics, and ...

Neon Aerospace

Mechanical Engineer

Irvine, CA · On-site

We're looking for a Mechanical Engineer to help design and integrate complex mechanical and ... This role supports high-performance systems across aerospace, transportation, robotics, and ...

RESOLVEM USA

Medical Devices System Engineer

Irvine, CA · On-site

$110K - $150K/yr

Education: · Bachelor's degree in Mechanical, electrical engineering or equivalent is required ... in system engineering of multi-disciplinary products (SW and HW). Must have experience in ...

Alcon

Opto-Mechanical Engineer

Lake Forest, CA · On-site

As an Opto-Mechanical Engineer supporting Surgical Instrumentation Research & Development, you will be trusted to support engineering teams with research, data analysis, and system design related to ...

RESOLVEM USA

Medical Devices System Engineer

Irvine, CA · On-site

$110K - $150K/yr

Education: · Bachelor's degree in Mechanical, electrical engineering or equivalent is required ... in system engineering of multi-disciplinary products (SW and HW). Must have experience in ...

Salas O'Brien, Inc.

Mechanical Engineer

Tustin, CA · On-site +1

$70K - $110K/yr

Develop HVAC system designs of a given project based on scope of work and/or client RFPs . * Provide engineering design, evaluation, and planning of mechanical systems for healthcare, life sciences ...

Salas O'Brien

Mechanical Engineer

Tustin, CA · On-site

$70K - $110K/yr

Develop HVAC system designs of a given project based on scope of work and/or client RFPs . * Provide engineering design, evaluation, and planning of mechanical systems for healthcare, life sciences ...

Salas O'Brien, Inc.

Mechanical Engineer

Corona, CA · Hybrid

$80K - $110K/yr

Develop HVAC system designs of a given project based on scope of work and/or client RFPs * Provide engineering design, evaluation, and planning of mechanical systems for a variety of market types

Salas O'Brien, Inc.

Mechanical Engineer

Irvine, CA · Hybrid

$80K - $110K/yr

Develop HVAC system designs of a given project based on scope of work and/or client RFPs * Provide engineering design, evaluation, and planning of mechanical systems for a variety of market types

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Mechanical System Engineer information

See Riverside, CA salary details

$66.2K

$115.1K

$158.6K

How much do mechanical system engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for mechanical system engineer in Riverside, CA is $115,078.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,000.00 and $137,200.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mechanical System Engineer, and why are they important?

To thrive as a Mechanical System Engineer, you need a solid background in mechanical engineering principles, system design, and problem-solving, typically supported by a bachelor's degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and industry certifications like PE (Professional Engineer) are often required. Strong analytical thinking, teamwork, and effective communication skills help distinguish top performers in this role. These skills ensure efficient design, implementation, and maintenance of complex mechanical systems, leading to reliable project outcomes and innovation.

What are some common challenges Mechanical System Engineers face when working on multidisciplinary projects?

Mechanical System Engineers often collaborate closely with electrical, software, and civil engineers on multidisciplinary projects. A common challenge is ensuring effective communication between teams, as each discipline may use different technical language and have varying priorities. Managing integration issues and aligning timelines across departments can also be demanding. To overcome these challenges, Mechanical System Engineers typically participate in regular cross-functional meetings and use collaborative project management tools to ensure alignment and successful project delivery.

What does a Mechanical System Engineer do?

A Mechanical System Engineer designs, develops, and oversees the installation and maintenance of complex mechanical systems in various industries. Their work often involves integrating mechanical components with electrical and software systems to ensure the overall functionality and efficiency of machines or equipment. They may be responsible for tasks such as performing simulations, analyzing system performance, troubleshooting issues, and collaborating with multidisciplinary teams. Mechanical System Engineers play a critical role in industries like automotive, aerospace, manufacturing, and energy. Their expertise ensures that mechanical systems operate safely, reliably, and efficiently.

What is the difference between Mechanical System Engineer vs Mechanical Design Engineer?

AspectMechanical System EngineerMechanical Design Engineer
Primary FocusDeveloping and integrating mechanical systems within larger projectsCreating detailed mechanical component and product designs
Work EnvironmentSystems integration, testing, and validation in manufacturing or engineering firmsDesign studios, CAD modeling, and prototype development
Required CredentialsBachelor's in Mechanical Engineering, relevant certificationsBachelor's in Mechanical Engineering, CAD certifications

Mechanical System Engineers focus on integrating and managing entire mechanical systems, while Mechanical Design Engineers concentrate on designing specific components. Both roles often collaborate but serve different stages of product development and system integration.

What are popular job titles related to Mechanical System Engineer jobs in Riverside, CA? For Mechanical System Engineer jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Mechanical System Engineer jobs in Riverside, CA look for? The top searched job categories for Mechanical System Engineer jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Mechanical System Engineer jobs? Cities near Riverside, CA with the most Mechanical System Engineer job openings:
Mechanical System Engineer jobs near you

Sr. Mechanical Engineer

Neon Aerospace

Irvine, CA • On-site

$150K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 7 days ago

Job description

Aerospace is at a turning point - costs are rising, supply chains are strained, and old ways of building can't keep up. At Neon Aero, we're breaking that mold. We move fast, think big, and combine start-up agility with aerospace expertise to design, build, and scale aircraft in ways the industry has never seen. Our team leverages automation, AI-driven tools, and a fully connected digital backbone to accelerate innovation and reduce barriers to production.
Here, you won't just take a job - you'll help reinvent how the world flies. If you're ready to solve complex problems, push technology further, and work alongside some of the brightest minds in aerospace, this is your chance to make a real impact.
Neon Aero is looking for a Senior Mechanical Engineer to lead the design and integration of complex mechanical and electromechanical systems for next-generation hardware. You'll work across high-performance domains-positioning, propulsion, environmental control, energy management, and related technologies-supporting programs in aerospace, advanced mobility, robotics, and transportation.
This is a hands-on, highly collaborative role for an engineer who loves turning requirements into production-intent hardware that scales. You'll help architect robust systems, drive design into manufacturable solutions, and push hardware from concept → prototype → industrialization → shipment.
Why This Role Matters:
In this role, you'll be a key driver of system-level execution-owning critical subsystems and making early decisions that determine whether hardware ships on time, at cost, and at quality.
You will:
  • Lead mechanical system design and integration across complex, multi-domain programs.
  • Own a subsystem end-to-end, from architecture and concept to production release.
  • Design and develop mechanical/electromechanical assemblies in Siemens NX (required).
  • Drive early DFM, DFA, DFAuto, and DFC decisions to ensure designs scale to production.
  • Apply strong GD&T fundamentals to create production-ready drawings and specs.
  • Partner with suppliers and manufacturing teams to industrialize parts, including first article builds and production ramp.
  • Define inspection approaches and understand manufacturing metrics like IQC, OQC, ORT, CP/CPK, tolerance stack-ups, and validation.
  • Support prototype builds, test campaigns, root-cause investigations, and design iterations.
  • Perform mechanical analysis as needed (FEA, thermal evaluation, structural validation).
  • Participate in design reviews and ensure performance, safety, reliability, cost, and schedule targets are met.
  • Provide hands-on support during assembly, integration, and testing-because the best systems engineers stay close to the hardware.

What you'll Bring:
  • Minimum of 8 years of experience in years developing and shipping mechanical products
  • Bachelor's or Master's in Mechanical Engineering or related degree is preferred; relevant professional experience may be accepted in lieu of a degree.
  • Strong proficiency in Siemens NX is required.
  • Deep knowledge of GD&T and production-level drawing release practices.
  • Demonstrated experience bringing parts into production and shipping hardware.
  • Experience with multiple manufacturing processes, such as:
    • Sheet metal fabrication
    • Die casting
    • Gear manufacturing & finishing
    • High-precision machining (HPM/HDPM)
    • Injection molding or other scalable processes
  • Proven ability to work directly with suppliers to resolve tolerance, yield, and quality issues.
  • Solid understanding of quality systems and metrics: IQC, OQC, ORT, CP/CPK, SPC.
  • Strong cross-functional communication skills and a collaborative, systems-level mindset.

Preferred experience:
  • Aerospace or aviation systems experience.
  • Background in fast-iteration, high-performance environments (automotive, consumer hardware, racing, robotics, etc.).
  • Familiarity with DO-160 or similar environmental qualification standards.
  • MATLAB or Python for analysis/automation.
  • Experience with electric or hybrid propulsion systems.

Why Join Us:
  • Work alongside elite engineering talent and innovators from across aerospace and tech.
  • Be part of a team moving faster than the industry standard.
  • Shape solutions that are lower-cost, autonomous, and scalable - the future of aviation.
  • Competitive compensation, including equity participation, growth opportunities, and full heath benefits (health, vision, dental, 401K) designed to support you in and out of work.

This pay range is specific to the location where the role is posted. Final pay will depend on experience, skill level, and other job-related factors.
Location-Specific Pay Range
$150,000-$175,000 USD
Neon Aero, Inc is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, gender identity or expression, age, disability, veteran status, or any other protected status under applicable law.
We believe that diverse perspectives drive innovation, and we welcome candidates from all backgrounds to apply.
All final candidates must successfully complete a background check and drug screening as a condition of employment.
At this time, Neon Aero and its divisions are not accepting unsolicited resumes from third-party recruiters or staffing agencies.

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