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Thermal Engineer Jobs in Riverside, CA (NOW HIRING)

Design and develop thermal systems components such as heat exchangers and cooling systems. Create ... Support design reviews and implement engineering changes. Work closely with cross-functional teams ...

Master's degree in Mechanical or Thermal Engineering (or equivalent) with 6-8+ years or PhD in Mechanical or Thermal Engineering (or equivalent) * 4-6+ years of relevant industry experience in ...

Master's degree in Mechanical or Thermal Engineering (or equivalent) with 6-8+ years or PhD in Mechanical or Thermal Engineering (or equivalent) * 4-6+ years of relevant industry experience in ...

Master's degree in Mechanical or Thermal Engineering (or equivalent) with 6-8+ years or PhD in Mechanical or Thermal Engineering (or equivalent) * 4-6+ years of relevant industry experience in ...

Role Summary As a Staff Thermal Attributes Engineer, you will be the subject matter expert driving the complete lifecycle of vehicle thermal attributes, from initial target setting through final ...

Role Summary As a Staff Thermal Attributes Engineer, you will be the subject matter expert driving the complete lifecycle of vehicle thermal attributes, from initial target setting through final ...

Role Summary As a Staff Thermal Attributes Engineer, you will serve as the Subject Matter Expert (SME) in underhood thermal performance and integration. You will own front-end airflow requirements ...

Staff Thermal Attributes Engineer

Irvine, CA ยท On-site

$154K - $192K/yr

Role Summary As a Staff Thermal Attributes Engineer, you will serve as the Subject Matter Expert (SME) in underhood thermal performance and integration. You will own front-end airflow requirements ...

Own and drive material trade studies that balance thermal survivability, structural integrity, and ... Hands-on experience as a design engineer taking hardware from concept to manufacturing (CAD, ...

Thermal/Mechanical Engineer Location: California Reports To: Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer ...

Thermal/Mechanical Engineer Location: California Reports To: Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer ...

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Thermal Engineer information

See Riverside, CA salary details

$45.4K

$109K

$174.7K

How much do thermal engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for thermal engineer in Riverside, CA is $109,050.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $134,600.00 per year, depending on experience, location, and employer.

What is a thermal engineer?

Thermal engineers are professionals who specialize in the study and application of heat transfer and thermodynamics. They design, analyze, and optimize systems and components that involve heating or cooling processes, such as HVAC systems, engines, electronics, and power plants. Their work is essential in industries like aerospace, automotive, electronics, and energy, where managing temperature is critical for performance and safety. Thermal engineers use advanced simulation tools and mathematical models to solve complex heat-related challenges and improve energy efficiency.

What are the key skills and qualifications needed to thrive as a thermal engineer, and why are they important?

To thrive as a Thermal Engineer, you need a solid background in thermodynamics, heat transfer, and fluid mechanics, typically supported by a degree in mechanical or thermal engineering. Proficiency with simulation and modeling tools such as ANSYS, MATLAB, and CFD software, as well as familiarity with industry standards, is often required. Strong analytical thinking, problem-solving abilities, and effective communication skills help distinguish top performers in the field. These skills are crucial for designing efficient thermal systems, troubleshooting performance issues, and collaborating with multidisciplinary teams to meet project goals.

What is the difference between Thermal Engineer vs Mechanical Engineer?

AspectThermal EngineerMechanical Engineer
CredentialsBachelor's or Master's in Mechanical, Mechanical Engineering, or ThermodynamicsBachelor's or Master's in Mechanical Engineering or related field
Work EnvironmentDesigning thermal systems, heat transfer analysis, HVAC, aerospace, electronics coolingDesigning mechanical systems, structural components, manufacturing processes
Industry UsageElectronics, aerospace, HVAC, energy systemsAutomotive, manufacturing, robotics, aerospace

Thermal Engineers specialize in heat transfer, thermodynamics, and thermal system design, often working on electronics cooling and energy systems. Mechanical Engineers have a broader scope, covering mechanical design, structural analysis, and manufacturing. While both roles require similar educational backgrounds, Thermal Engineers focus more on thermal aspects within various industries, whereas Mechanical Engineers handle a wider range of mechanical systems.

How much do thermal engineers get paid?

Thermal engineers typically earn between $70,000 and $110,000 annually, depending on experience, location, and industry. Entry-level positions may start around $60,000, while senior roles or specialized fields can pay over $120,000. Certifications and proficiency with simulation tools like ANSYS can influence salary levels.

What does a thermal engineer do?

As a thermal engineer, you maintain, create, or repair mechanical systems that involve a heat transfer process into other forms of energy. You analyze how mechanical heat sources interact with different physical and industrial systems. You test various components of heat transfer within a system, which sometimes involves chemical fluids and gas. You may work with large or small-scale heating or cooling equipment, from industrial heaters to airplane engines. Other duties and responsibilities require you to work in locations in need of heat or cooling mitigation, such as a power plant or landfill. Aerospace companies, public utilities, and other industrial firms hire thermal engineers.

What are some common challenges thermal engineers face when designing cooling systems for electronic devices?

Thermal Engineers often encounter challenges such as managing heat dissipation in increasingly compact and high-powered electronic devices, where space for cooling solutions is limited. Balancing performance, efficiency, and cost while ensuring reliability requires careful selection of materials and innovative thermal management techniques. They must also collaborate closely with electrical and mechanical engineers to integrate thermal solutions without compromising overall device functionality. Adapting to rapidly evolving technologies and staying updated on industry standards is essential for long-term success in this role.

What is the role of a thermal engineer?

A thermal engineer designs and analyzes systems to manage heat transfer and temperature regulation in products and processes. They use principles of thermodynamics, heat transfer, and fluid mechanics, often utilizing simulation tools like CFD software, to ensure components operate within safe temperature ranges and improve energy efficiency.
What are popular job titles related to Thermal Engineer jobs in Riverside, CA? For Thermal Engineer jobs in Riverside, CA, the most frequently searched job titles are:
What cities near Riverside, CA are hiring for Thermal Engineer jobs? Cities near Riverside, CA with the most Thermal Engineer job openings:
Infographic showing various Thermal Engineer job openings in Riverside, CA as of August 2026, with employment types broken down into 88% Full Time, 5% Part Time, and 7% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $109,050 per year, or $52.4 per hour.

Spacecraft Thermal Engineer (II/III)

Terran Orbital Corporation

Irvine, CA โ€ข On-site

$100K - $130K/yr

Full-time

Re-posted 21 days ago


Job description

Terran Orbital is seeking an experienced Spacecraft Thermal Engineer (II/III) to join our growing team. Reporting to the Thermal Engineering Manager, theย Spacecraft Thermal Engineer (II/III)ย will be involved in all aspects of a spacecraft's development. They will support spacecraft thermal systems configuration from the concept level through design reviews, design verification, and operations. In addition to predictive and analytical work, the Sr. Engineers may serve in team leadership roles or as subject area experts.

Key Duties and Responsibilities

  • Work with a multidisciplinary team to reduce thermal risk by identifying the constraining elements of a thermal design and recommend mitigation strategies from the concept level to design, production, and operation.
  • Work with spacecraft system engineers to translate spacecraft CONOPS (Concept of Operations) into representative thermal design scenarios.
  • Develop thermal models of active and passive thermal designs using a mixture of numerical solutions and hand calculations of spacecraft systems, subsystems, avionics, and mechanisms that predict temperature margins in a variety of thermal space environments/
  • Participate in spacecraft build and testing campaigns related to the thermal design aspect of the spacecraft including periods of off-hours or on-call work.
  • Develop thermal verification test plans and support test activities, monitor and correlate test results to model predictions.
  • Prepare technical documents and PowerPoint presentations to present the results of analysis and tests to Managers, Customers, and/or Stakeholders
  • Support Business Development activities, including proposals, white papers, and requests for information.
  • Develop tools to support concept trade studies and post-processing analysis.
  • Other duties as applicable to thermal engineer may be assigned as necessary.

Qualifications and Skills

  • Bachelors in mechanical or aerospace engineering with a Thermal focus or similar discipline.
  • 2+ years of experience (Engineer - Level 2) in thermal engineering or similar disciplines related to spacecraft
  • 5 + years of experience (Sr Engineer - Level 3) in thermal engineering or similar disciplines related to spacecraft
  • Must have experience leading teams and mentoring entry-level engineers.
  • Proficiency with Thermal Desktop is a must.
  • Must possess an understanding of the basic principles of radiation and conduction heat transfer in conjunction with space environment heating effects and parameters associated with spaceflight applications.
  • Deep understanding of orbital mechanics and thermal design considerations with respect to MEO, LEO, GEO, and other orbits.
  • Proven knowledge of spacecraft mission design and associated subsystems/architecture as relates to thermal design.
  • Strong knowledge of spacecraft thermal design management and surface treatments.
  • Experience with process development, as pertains to thermal analysis methods, testing methods or model correlation.
  • Knowledge of environmental requirements, engineering, thermal vacuum/ambient pressure testing, and hands-on engineering project experience, including use of data acquisition systems.
  • Comfortable working in a fast-paced, start-up environment with a strong desire to be a leader/key contributor on a small team.
  • Highly responsible team player with a positive attitude and excellent communication and documentation skills.
  • Experience with SolidWorks or other CAD software.
  • Experience developing detailed thermal and simplified thermal models for spacecraft systems, subsystems, and components.
  • Proficiency with computational scripting languages (MATLAB, Python, Mathematica, etc.).
  • U.S. Citizenship with ability to obtain and maintain DoD security clearance.

Additional Differentiators

  • Master of Science degree in Mechanical or Aerospace engineering with a Thermal focus or similar discipline.
    • Master of Science degree substitutes for two years of experience.
    • Ph.D. degree substitutes for five years of experience.
  • Experience with technical leadership responsibilities, such as serving on Risk Reduction teams or as Subject Area Expert.
  • Ownership of technical issues with respect to Engineering Review Boards, NCRs and other engineering anomalies with the expectation of bringing it to resolution.
  • Experience with build integration and testing of propulsion, thermal, electrical, and structural systems; including, but not limited to, vibration, shock, thermal, vacuum, and radiation testing.
  • Experience in a production environment within the space/ aerospace industry.

Salary Ranges

Spacecraft Thermal Engineer (Level II) - $100k to $130k

Sr. Spacecraft Thermal Engineer (Level III) - $130k to $160k