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Modem System Test Engineer Jobs in California (NOW HIRING)

AeroVironment, Inc.

System Test Engineer III

Moorpark, CA · On-site

$100K - $153K/yr

Worker Type Regular Summary The System Test Engineer III develops and executes System Test Plans for small, unmanned air vehicles and missiles and their associated subsystems. Testing encompasses ...

Qualcomm

#Systems Test Engineer

Santa Clara, CA · On-site

The role involves executing system-level test plans, analyzing logs and data, and collaborating ... modem (WWAN), WLAN, sensors, middleware, and application layers. • Designs and executes test ...

Skylo

Senior System Test Engineer

Mountain View, CA · On-site

Summary Of How You Will Impact Skylo We are seeking a highly skilled System Test Engineer to design and execute quality assurance strategies for Skylo's end-to-end satellite Non-Terrestrial Network ...

Posted today

Zoox

Autonomy System Test Engineer

Foster City, CA · On-site

$143K - $177K/yr

As an Autonomy Systems Test Engineer at Zoox, you will help accelerate our product development by helping our developers build the safest and most reliable autonomous driving software possible. As ...

Zoox

Autonomy System Test Engineer

Foster City, CA · On-site

$143K - $177K/yr

As an Autonomy Systems Test Engineer at Zoox, you will help accelerate our product development by helping our developers build the safest and most reliable autonomous driving software possible. As ...

Zoox

Autonomy System Test Engineer

Foster City, CA

$143K - $177K/yr

As an Autonomy Systems Test Engineer at Zoox, you will help accelerate our product development by helping our developers build the safest and most reliable autonomous driving software possible. As ...

Intuitive

Senior System Test Engineer

Sunnyvale, CA · On-site

As a Senior System Test Engineer within the Multiport System & Release team, you will be responsible for all aspects of system level software verification test activities to ensure the high quality ...

Nvidia

Senior System Test Engineer

Santa Clara, CA · On-site

... Test Engineer to manage Datacenter product testers. You will be joining the Test Solution Group that architects and develops manufacturing test solutions for Datacenter system products at NVIDIA.

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Modem System Test Engineer information

What is the difference between Modem System Test Engineer vs Modem Firmware Engineer?

AspectModem System Test EngineerModem Firmware Engineer
Primary FocusTesting and validation of modem systems and hardwareDeveloping and optimizing modem firmware and software
Required SkillsTesting methodologies, hardware troubleshooting, knowledge of communication protocolsEmbedded programming, firmware development, C/C++ skills
Work EnvironmentTesting labs, hardware integration environmentsSoftware development environments, embedded systems
Common CertificationsISTQB, hardware testing certificationsEmbedded systems certifications, C programming certifications

While both roles involve working with modems, the Modem System Test Engineer primarily focuses on testing and validating hardware and system performance, whereas the Modem Firmware Engineer concentrates on developing and maintaining the firmware that runs on modems. Both roles are essential in the modem development lifecycle and often collaborate closely.

What is a modem system test engineer?

Modem System Test Engineers are professionals who design, develop, and execute tests to ensure the reliability and performance of modem systems, which enable wireless communication in devices such as smartphones and IoT gadgets. They work with hardware and software teams to identify, troubleshoot, and resolve issues related to connectivity, data transmission, and network compatibility. Their responsibilities often include automating test cases, analyzing logs, and validating modem features against industry standards. This role is crucial in ensuring that wireless products deliver high-quality user experiences and comply with regulatory requirements.

What are the typical challenges faced by a modem system test engineer when working with new device releases?

Modem System Test Engineers often encounter challenges related to ensuring compatibility and performance across a wide range of networks and devices, especially during new device launches. Rapidly evolving hardware and software can introduce unexpected bugs, requiring thorough regression and exploratory testing. Additionally, collaborating with cross-functional teams, such as development, QA, and carrier partners, is essential to address integration issues and meet tight project deadlines. Staying adaptable and maintaining clear communication are key to overcoming these obstacles.
What are popular job titles related to Modem System Test Engineer jobs in California? For Modem System Test Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Modem System Test Engineer jobs in California look for? The top searched job categories for Modem System Test Engineer jobs in California are:
Modem System Test Engineer jobs near you
Infographic showing various Modem System Test Engineer job openings in California as of August 2026, with employment types broken down into 17% Internship, 66% Full Time, and 17% Contract. Highlights an 100% In-person job distribution.

System Test Engineer III

AeroVironment, Inc.

Moorpark, CA • On-site

$100K - $153K/yr

Full-time

Medical, Dental, Vision, Retirement

Re-posted 12 days ago

AeroVironment rating

9.1

Company rating: 9.1 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

7th of 72 rated aerospace companies

Job description

Worker Type
Regular
Job Description
Summary
The System Test Engineer III develops and executes System Test Plans for small, unmanned air vehicles and missiles and their associated subsystems. Testing encompasses simulator, ground and flight tests and includes logging and analyzing data and documenting test results.
Position Responsibilities
  • Support developmental test and evaluation of sub-system, model-scale, and full scale testing. Assist the Flight Test Director during flight tests
  • Determine and communicate subsystem, system and flight test objectives. Develop test cards to verify that those objectives are met
  • Review System Requirement documents to help ensure requirements are concise and testable
  • Participate in test and flight readiness reviews, test briefs, and post-test debriefs
  • Ensure test assets are prepared to support testing, including the proper configuration of product hardware and software, writing test cards and procedures, and maintaining test equipment
  • Process and analyze test data to determine test results. Analyze large test data sets using software tools (MATLAB or Excel)
  • Capture test activities, fill in test data sheets, and transfer telemetry files to the network. Enter test failures or anomalies in an issue tracking system database.
  • Develop System Test Plans, for small unmanned air vehicles and missiles and their associated subsystems, execute simulator and flight tests, and document test results
  • Responsible for estimating time required to conduct testing and completing assigned tasks within project schedule
  • Work with outside test labs and assist technicians during testing when required
  • Work with product development engineers to derive test requirements based on product specifications and modifications
  • Demonstrates good judgment within defined procedures and practices to determine appropriate action. Contributes to meeting project cost and schedule under little supervision
  • Performs multiple tasks on more than one project. Completes tasks within schedule and budget
  • Other duties as assigned

Basic Qualifications (Required Skills & Experience)
  • Bachelor's degree in related discipline (Software, Systems, Electrical, Mechanical or Aerospace) is required or equivalent combination of education, training, and experience
  • Minimum of 5 - 8 years' experience in related industry or projects that include conducting system or flight tests
  • Skilled at documenting test plans, procedures, and reports; verbally directing UAV Operators and Observers during flight tests; capturing system test requirements; recording test failures and reporting test results
  • Position requires 10-30% travel within the Continental U.S.

Other Qualifications & Desired Competencies
  • A relevant MS or PhD graduate in related discipline (Software, Systems, Electrical, Mechanical or Aerospace) is preferred
  • Experience with scripting and programming languages to automate testing is preferred
  • Experience as a pilot or aircrew member would be beneficial
  • Willingness to learn and expand technical understanding of wind tunnel test techniques and measurement systems
  • Is effective in conversing technically with experts in the fields of test instrumentation and data acquisition
  • Able to excel in a fast-paced, deadline-driven environment, where small teams share a broad variety of duties
  • Displays strong initiative and drive to accomplish goals and meet company objectives
  • Takes ownership and responsibility for current and past work products
  • Is committed to learning from mistakes and driven to improve and enhance performance of oneself, others, and the company
  • Has effective problem-solving, analytical, interpersonal and strong communication skills
  • Focuses on teamwork, collaboration and puts the success of the team above one's own interests
  • Works well with others across disciplines

Physical Demands
  • Ability to work in an office and manufacturing environment (Occasional)
  • Able to frequently work outdoors in extreme weather conditions (hot and cold temperatures) and occasionally at night; Able to traverse across uneven ground and varying terrain (Frequent)
  • Required to sit and stand for long periods; talk, hear, and use hands and fingers to operate a computer and telephone keyboard (Frequent)
  • Able to lift, carry and/or move objects of varying sizes and shapes up to 50 lbs. (Frequent); Required to carry and set up equipment at test site locations (Frequent)
  • Able to demonstrate good manual dexterity to assemble and disassemble product (Frequent)
  • Able to repeatedly throw objects up to 16 lbs. over shoulder (Frequent)
  • Able to maintain visual line of sight of unmanned air vehicles up to 1 kilometer away (Frequent)

Clearance Level
No Clearance
The salary range for this role is:
$100,500 - $153,250
AeroVironment considers several factors when extending an offer, including but not limited to, the location, the role and associated responsibilities, a candidate's work experience, education/training, and key skills.
ITAR Requirement:
This position requires access to information that is subject to compliance with the International Traffic Arms Regulations ("ITAR") and/or the Export Administration Regulations ("EAR"). In order to comply with the requirements of the ITAR and/or the EAR, applicants must qualify as a U.S. person under the ITAR and the EAR, or a person to be approved for an export license by the governing agency whose technology comes under its jurisdiction. Please understand that any job offer that requires approval of an export license will be conditional on AeroVironment's determination that it will be able to obtain an export license in a time frame consistent with AeroVironment's business requirements. A "U.S. person" according to the ITAR definition is a U.S. citizen, U.S. lawful permanent resident (green card holder), or protected individual such as a refugee or asylee. See 22 CFR § 120.15. Some positions will require current U.S. Citizenship due to contract requirements.
Benefits: AV offers an excellent benefits package including medical, dental vision, 401K with company matching, a 9/80 work schedule and a paid holiday shutdown. For more information about our company benefit offerings please visit: http://www.avinc.com/myavbenefits.
We also encourage you to review our company website at http://www.avinc.com to learn more about us.
Principals only need apply. NO agencies please.
About AV:
AV isn't for everyone. We hire the curious, the relentless, the mission-obsessed. The best of the best.
We don't just build defense technology-we redefine what's possible. As the premier autonomous systems company in the U.S., AV delivers breakthrough capabilities across air, land, sea, space, and cyber. From AI-powered drones and loitering munitions to integrated autonomy and space resilience, our technologies shape the future of warfare and protect those who serve.
Founded by legendary innovator Dr. Paul MacCready, AV has spent over 50 years pushing the boundaries of what unmanned systems can do. Our heritage includes seven platforms in the Smithsonian-but we're not building history, we're building what's next.
If you're ready to build technology that matters-with speed, scale, and purpose-there's no better place to do it than AV.
We are proud to be an EEO/AA Equal Opportunity Employer, including disability/veterans. AeroVironment, Inc. is an Equal Employment Opportunity (EEO) employer and welcomes all qualified applicants. Qualified applicants will receive fair and impartial consideration without regard to race, sex, color, religion, national origin, age, disability, protected veteran status, genetic data, sexual orientation, gender identity or other legally protected status.
ITAR
U.S. Citizenship required. Must be willing to work on government contracts and have the ability to obtain a security clearance.

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