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Entry Level Thermal Engineer Jobs in California (NOW HIRING)

Analyze thermal, power, and bandwidth constraints to meet deployment and runtime requirements. 2. ... We are recruiting across a wide range of experience levels from entry level engineers to senior and ...

Analyze thermal, power, and bandwidth constraints to meet deployment and runtime requirements. 2. ... We are recruiting across a wide range of experience levels from entry level engineers to senior and ...

Analyze thermal, power, and bandwidth constraints to meet deployment and runtime requirements. 2. ... We are recruiting across a wide range of experience levels from entry level engineers to senior and ...

... and rapid thermal processing equipment to fabricate integrated circuits for the global ... Job Summary The RF Engineer I is an entry-level engineering professional responsible for supporting ...

New

Engineer I

Poway, CA · On-site

$62K - $105K/yr

... thermal analysis and packaging. * Documentation necessary to support production (i.e. test ... Typically requires a bachelors degree in engineering or a related technical discipline from an ...

Ensuring power, thermal, and protocol compatibility. * Spatial Performance: Architect system to ... We are recruiting across a wide range of experience levels from entry level engineers to senior and ...

Engineer for EMI/EMC robustness, thermal resilience, and fault isolation under field operating ... Experience Level: We are recruiting across a wide range of experience levels from entry level ...

Be Seen First

Project Engineer - Composites

Corona, CA · On-site

$70K - $100K/yr

This entry-level role develops foundational knowledge of composite materials, fabrication processes ... EEO-2, Professionals Company Description Thermal Structures, a subsidiary of HEICO, is an industry ...

Ensuring power, thermal, and protocol compatibility. * Spatial Performance: Architect system to ... We are recruiting across a wide range of experience levels from entry level engineers to senior and ...

Showing results 21-40

Entry Level Thermal Engineer information

See California salary details

$29.6K

$68.5K

$116.5K

How much do entry level thermal engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for entry level thermal engineer in California is $68,454.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,800.00 and $77,500.00 per year, depending on experience, location, and employer.

What is an entry level thermal engineer?

An Entry Level Thermal Engineer is responsible for assisting in the design, analysis, and testing of thermal management systems for various applications, such as electronics, aerospace, or automotive industries. They work with senior engineers to assess heat transfer, fluid dynamics, and insulation strategies to ensure efficient thermal performance. Their tasks may include running simulations, conducting experiments, and preparing reports to support product development. Strong problem-solving skills and knowledge of thermodynamics, heat transfer, and computational tools are essential for this role.

What are the key skills and qualifications needed to thrive in the entry level thermal engineer position, and why are they important?

To thrive as an Entry Level Thermal Engineer, you need a solid grounding in thermodynamics, heat transfer, and fluid mechanics, usually supported by a bachelor’s degree in mechanical, aerospace, or chemical engineering. Familiarity with computational tools like ANSYS, MATLAB, or SolidWorks, as well as basic knowledge of thermal simulation software, is often required. Strong problem-solving skills, attention to detail, and the ability to communicate technical concepts clearly help set candidates apart. These competencies enable effective analysis, collaboration, and design of thermal systems in real-world engineering environments.

What types of projects or tasks can an entry level thermal engineer expect to work on during their first year?

In your first year as an Entry Level Thermal Engineer, you can expect to assist with thermal analyses, run simulations, and support the design and testing of systems related to heat transfer and energy efficiency. Typical tasks may include data collection from experiments, preparing reports, and helping senior engineers with troubleshooting and optimization. You'll also likely collaborate with multidisciplinary teams, including mechanical and electrical engineers, to integrate thermal solutions into larger projects. These experiences build your technical expertise and problem-solving skills, setting the foundation for career advancement.

What are the most commonly searched types of Thermal Engineer jobs in California? The most popular types of Thermal Engineer jobs in California are:
What cities in California are hiring for Entry Level Thermal Engineer jobs? Cities in California with the most Entry Level Thermal Engineer job openings:
Infographic showing various Entry Level Thermal Engineer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $68,454 per year, or $32.9 per hour.

Environmental Test Engineer - 2nd Shift - Millennium Space Systems

Boeing

El Segundo, CA • On-site

Full-time

Medical, Life, Retirement

Posted 21 days ago


Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 612 frontline employees who took The Breakroom Quiz

32nd of 537 rated manufacturers


Job description

Environmental Test Engineer - 2nd Shift - Millennium Space Systems
Company:
Millennium Space Systems
Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.
Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.
Job Summary:
As an Entry Level Environmental Test Engineer, you will develop manufacturing processes to build, test, and launch satellites while dually implementing test procedures for dynamic and thermal environmental testing of components, subsystems, and satellite products. You will be responsible for leveraging design for testability and continuous improvement to deliver space-grade avionics, structures, and propulsion hardware at high rate and low cost, without ever compromising personnel safety or product reliability. A successful candidate for this role will demonstrate integrity, intellectual curiosity, empathy, technical capability, and a strong motivation to scale and support manufacturing test.
This position's internal job code is Test & Evaluation Engineer. Our team is currently hiring for a levels 1-2.
This role will support 2nd shift.
Position Responsibilities:
  • Serve as the primary point of support for environmental test equipment and processes, and maintain responsibility over test execution for spacecraft hardware
  • Create spacecraft hardware test procedures, ensure test readiness, and unblock issues that arise during test campaigns (qualification and acceptance)
  • Develop standard operating procedures for environmental test technicians
  • Establish and increase the efficiency of manufacturing test processes to maximize output, limit burden, and enable products to rapidly transition from engineering development to high rate production
  • Identify improvement opportunities and execute initiatives to maintain safe operations, ensure product quality, reduce lead time/labor hours, etc. through environmental test Identify, implement, and qualify environmental test equipment and processes in support of high reliability and throughput production
  • Troubleshoot and identify root cause of issues in environmental test processes (i.e. due to spacecraft hardware defects, test equipment anomalies, software problems, etc.), then implement permanent corrective actions to prevent recurrence
  • Enable production autonomy by challenging requirements, simplifying work processes, and implementing automation
  • Serve as the technical subject matter expert for environmental test processes and equipment
  • Develop test equipment automation to improve efficiency of environmental test processes, limit the likelihood of error, and maximize throughput

Basic Qualifications (Required Skills/Experience):
  • Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), computer science, engineering data science, mathematics, physics, or chemistry (e.g. Bachelor), or an equivalent combination of technical education and experience or non-US equivalent qualifications. In the USA, ABET accreditation is the preferred, although not required, accreditation standard
  • Experience working with thermal chambers, TVAC chambers, and/or vibration shakers
  • Experience in authoring test procedures and implementing process improvements
  • This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A U.S. Security Clearance Post-Start is required

Preferred Qualifications (Desired Skills/Experience):
  • 2+ years of experience in environmental testing, with a focus on vibration, thermal ambient, and thermal vacuum testing
  • Excellent written, verbal communication, and interpersonal skills
  • Managing UUT non-conformances
  • Familiarity with SMC-S-016, GSFC-STD-7000A, or similar environmental testing standards Experience in a high-throughput manufacturing environment
  • Experience with PXI and other test instrumentation (i.e. thermocouples, accelerometers, DAQs etc.)
  • Experience successfully qualifying new products for space applications Thorough understanding of root cause analysis and related analytical methodology (Five Whys, Fishbone/Ishikawa Analysis, 8D, etc.)

Conflict of Interest:
Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process
Drug Free Workplace:
Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Total Rewards:
At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.
Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.
Pay is based upon candidate experience and qualifications, as well as market and business considerations.
Summary pay range:
  • Level 1: $76,500 - $112, 500
  • Level 2: $90,950 - $133,750

Millennium is DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We encourage all interested candidates to apply for any open position for which they feel they are qualified.
Category = Engineering
Language Requirements:
Not Applicable
Education:
Bachelor's Degree or Equivalent
Relocation:
Relocation assistance is not a negotiable benefit for this position.
Export Control Requirement:
This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.
Safety Sensitive:
This is not a Safety Sensitive Position.
Security Clearance:
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Top Secret/SCI Clearance Post-Start is required.
Visa Sponsorship:
Employer will not sponsor applicants for employment visa status.
Contingent Upon Award Program
This position is not contingent upon program award
Shift:
Shift 2 (United States of America)
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