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Radio Frequency Engineer Jobs in California (NOW HIRING)

Radio Frequency Engineer

Simi Valley, CA ยท On-site

$74K - $138K/yr

Associate, Radio Frequency Engineer Job Location: Simi Valley, CA (This position is 100% onsite) Business Unit: Datron Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked ...

Principal RF Antenna Engineer

Los Angeles, CA ยท On-site

$200K - $270K/yr

The Role You will be responsible for the design & validation of radio-frequency (RF) and microwave ... Bachelor's degree in computer, electrical, aerospace engineering, or other relevant science ...

Microwave/RF Engineer

Livermore, CA ยท On-site

$9.7K/wk

Conduct research in high frequency electromagnetics, radio frequency circuits, or wireless ... Master's degree in Engineering, Physics, or closely related field, or equivalent combination of ...

Conduct research in high frequency electromagnetics, radio frequency circuits, or wireless ... Master's degree in Engineering, Physics, or closely related field, or equivalent combination of ...

Conduct research in high frequency electromagnetics, radio frequency circuits, or wireless ... Master's degree in Engineering, Physics, or closely related field, or equivalent combination of ...

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Showing results 1-20

Radio Frequency Engineer information

See California salary details

$36.5K

$116.1K

$180.6K

How much do radio frequency engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for radio frequency engineer in California is $116,139.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,200.00 and $137,200.00 per year, depending on experience, location, and employer.

What is a radio frequency engineer?

Radio Frequency Engineers are specialized professionals who design, implement, and maintain systems that use radio waves for communication. They work on technologies such as wireless networks, cellular phones, satellite communications, and radar. Their responsibilities include optimizing signal strength, preventing interference, and ensuring compliance with regulatory standards. These engineers play a crucial role in enabling reliable wireless connectivity in various industries.

What does a radio frequency engineer do?

As a radio frequency engineer (RF engineer), you install and maintain devices that transmit and receive radio waves. You may select which type of device to install in a given area, help design wireless networks, and provide technical support for existing systems. Radio frequency engineering is a specialized focus of electrical engineering and uses many of the same techniques and principles, so some engineers switch between the two fields as necessary for each job. Other details of this position depend on the employer. For example, installing radio devices for the military often involves getting a security clearance and maintaining heavily-secured transmission systems, while urban jobs may require finding ways to filter out excess noise and problems in each frequency.

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

To thrive as a Radio Frequency Engineer, you need a strong background in electrical engineering, RF circuit design, and signal processing, typically supported by a relevant degree. Familiarity with tools like vector network analyzers, spectrum analyzers, and simulation software such as CST or HFSS is crucial, along with relevant certifications like FCC General Radiotelephone Operator License. Strong analytical thinking, problem-solving skills, and effective communication help in troubleshooting complex issues and collaborating with multidisciplinary teams. These competencies are vital for designing, optimizing, and maintaining reliable RF systems in dynamic environments.

What are some typical challenges radio frequency engineers face when working on large-scale wireless network deployments?

Radio Frequency Engineers often encounter challenges such as mitigating interference from other wireless devices, ensuring signal coverage in complex environments (like dense urban areas or inside buildings), and adhering to regulatory constraints on spectrum usage. Collaborating closely with site engineers, network planners, and field technicians is essential to address these issues efficiently. Staying current with evolving technologies and optimizing existing infrastructure for capacity and reliability are also ongoing parts of the role.

What is the difference between Radio Frequency Engineer vs Wireless Communications Engineer?

AspectRadio Frequency EngineerWireless Communications Engineer
CredentialsBachelor's in Electrical Engineering, RF certificationsBachelor's in Electrical/Communications Engineering, wireless certifications
Work EnvironmentDesigning RF systems, testing, fieldworkDeveloping wireless networks, system integration
Industry UsageTelecom, aerospace, defenseTelecom, mobile networks, IoT

Both roles involve working with wireless signals and require similar technical skills and certifications. However, Radio Frequency Engineers focus more on RF system design and testing, while Wireless Communications Engineers concentrate on developing and optimizing wireless network systems. The choice depends on your specific interests within wireless technology.

How much does a radio frequency engineer earn?

A radio frequency engineer's salary varies based on experience, location, and industry, but typically ranges from $70,000 to $120,000 annually. Senior engineers with specialized skills or certifications can earn higher salaries, especially in telecommunications and defense sectors.

Is radio frequency engineering in demand?

Radio frequency engineering is in demand due to the ongoing expansion of wireless communication networks, including 5G and IoT technologies. RF engineers are needed to design, test, and optimize radio systems, often requiring knowledge of signal processing, spectrum management, and relevant certifications. The field offers opportunities in telecommunications, defense, and aerospace industries.

What are the most commonly searched types of Radio Frequency Engineer jobs in California?

The most popular types of Radio Frequency Engineer jobs in California are:

What cities in California are hiring for Radio Frequency Engineer jobs?

Cities in California with the most Radio Frequency Engineer job openings:

What are popular job titles related to Radio Frequency Engineer jobs in CA?

For Radio Frequency Engineer jobs in CA, the most frequently searched job titles are:

Infographic showing various Radio Frequency Engineer job openings in California as of August 2026, with employment types broken down into 87% Full Time, 8% Part Time, and 5% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $116,139 per year, or $55.8 per hour.

Radio Frequency Engineer

Fisica, Inc

Simi Valley, CA โ€ข On-site

$74K - $138K/yr

Full-time

Medical, Retirement, PTO

Re-posted 10 days ago


Job description

Job Title: Associate, Radio Frequency Engineer

Job Location: Simi Valley, CA (This position is 100% onsite)

Business Unit: Datron

Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off.

About Fisica Inc.

Fisica, Inc. is a premier manufacturer of advanced defense products, specializing in the design and production of airborne and ground-based antennas, as well as cutting-edge electromagnetic systems and simulators. Headquartered in San Leandro, California, with additional operations in Simi Valley, Fisica plays a vital role as a trusted partner to leading defense primes and the U.S. Department of Defense.

Our company operates as - ATI, Randtron, Datron and Space Vector—each bringing deep expertise and innovation to the defense sector. Led by a seasoned management team, Fisica is committed to excellence in engineering, manufacturing, and mission-critical solutions that enhance national security.

At Fisica, we foster a strong, collaborative work culture that values individual contributions and empowers our employees. Our commitment to innovation, integrity, and teamwork makes us a leader in the defense industry and an exceptional place to build a career.

Position Summary:

The Associate RF Engineer is responsible for the analysis, design, implementation, optimization and enhancement of wireless telecommunications networks. Responsibilities include link budgets analysis, system dimensioning for coverage and capacity including traffic analysis, initial system design and dimensioning, coverage planning, site identification, evaluation and zoning support, frequency planning, interference analysis and optimization.

Overall Summary

Entry-level professional with broad theoretical job knowledge. Works under general direction and guidance within standard processes for non-routine tasks. Communicates with contacts in own team to explain and interpret information. Contributes to systems and processes changes in work routines. Works to achieve operational targets that impact team results.

Nature of Supervision

Works independently under regular direction and guidance on non-routine tasks requiring judgement and initiative. Standard processes are provided and peer review may be required. Less guidance and direction provided as proficiency increases. May provide guidance and assistance to support level employees.

Communication & Influence

Communicates with contacts typically within own team on matters that involve obtaining or providing information requiring some explanation or interpretation in order to understand and reach agreement.

Innovation & Complexity

Work consists of less-routine tasks in contribution to changes in systems and processes to solve problems. May be required to apply discretion within identified boundaries and procedures. Responsible for making minor changes in processes to solve problems or improve effectiveness of approaches and routines being utilized. Expected to propose solutions to problems for others review.

Organization Impact

Works to achieve operational targets within job area which has impact on the overall achievement of results for the team. Work is of limited scope, typically on smaller, less complex projects or task-related activities.

Qualifications:

  •  Bachelor’s Degree with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 4 years of prior related experience.
  • Requires broad theoretical job knowledge.
  • The ability to obtain and maintain a future Security Clearance is required for the role. Eligibility requires U.S. citizenship.

Why Join Fisica, Inc.:

  • Competitive salary and benefits package!
  • Generous paid time off.
  • 401k with 6% match and vesting is immediate. 
  • Strong work-life balance.
  • Tuition Reimbursement.
  • Paid paternal leave.

In compliance with pay transparency requirements, the salary range for this role is $74,000-138,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. Fisica Inc also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, and schedule type.

Fisica is proud to be an Equal Opportunity Employer. Fisica is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender