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Modem System Test Engineer Jobs in California (NOW HIRING)

AeroVironment

System Test Engineer II

Moorpark, CA

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

Saige Partners

Wireless Test Engineer

San Diego, CA

$65 - $80/hr

We are seeking a Wireless Modem Test Engineer to support the validation, testing, and optimization of 5G/4G modem technologies This role will focus on interoperability testing (IOT), feature ...

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 ...

Zoox

Autonomy System Test Engineer

Foster City, CA

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 ...

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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 ...

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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 are Modem System Test Engineers?

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.
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Modem System Test Engineer jobs near you
Infographic showing various Modem System Test Engineer job openings in California as of June 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution.
System Test Engineer /Principal System Test Engineer

System Test Engineer /Principal System Test Engineer

Northrop Grumman Corporation

San Diego, CA • On-site

$114K - $171K/yr

Full-time

Medical, Life, PTO

Posted 3 days ago

Northrop Grumman rating

8.1

Company rating: 8.1 out of 10

Based on 346 frontline employees who took The Breakroom Quiz

110th of 527 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Top Secret
TRAVEL: Yes, 10% of the TimeDescription
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.
Northrop Grumman Aeronautics Systems has an opening for a Systems Integration/Principal Systems Integration Engineerto join the team of qualified individuals. Position is located in Rancho Bernardo, CA.
The qualified candidate will become part of Northrop Grumman's Test & Evaluation organization. The selected candidate will synthesize customer contractual needs and requirements into system test solutions which acknowledge technical, schedule and cost constraints. They will perform a variety of duties in the electronic, mechanical, electromechanical, or software areas. The ideal candidate is detail oriented, organized, and able to learn challenging concepts quickly in a fast-paced environment.
Key Responsibilities:
  • Assist in development, execution, peer review, and release of test procedures
  • Participate in both Formal and Non-Formal Test execution events
  • Participate in test planning, discrepancy report, validation testing, and post test data analysis
  • Provide support of required laboratory test artifacts
  • Effectively communicate test results and project updates
  • Willing to support multiple shifts and odd hours to accommodate testing efforts and lab schedules

The selected candidate will be required to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position. Travel up to 10% may be required.
We offer flexible work arrangements, 4/10 work schedule with every Friday off, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do.
Basic Qualifications for a Level 2:
  • Must have a Bachelor of Science degree in a STEM discipline AND 2 years of related professional/military experience, OR a Master's degree AND 0 years of related professional/military experience.

Basic Qualifications for a Level 3:
  • Must have a Bachelor of Science degree in a STEM discipline AND 5 years of related professional/military experience, OR a Master's degree AND 3 years of related professional/military experience, OR a Ph.D. AND 1 year of related professional/military experience.

Basic Qualifications for Both Levels:
  • Must have an active US Government Top Secret clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation).
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs.
  • Capability to work with supervision and develop effective approaches to problem-solving.
  • Self-motivated with a strong attention to detail and thoroughness.
  • Experience writing Python scripts
  • Experience working System Test, SW Development and/or Systems Engineering
  • Experience with Windows/Linux operating systems & Virtual Machines (VMs)
  • Understanding of the software development lifecycle and agile development methodology

Preferred Qualifications:
  • Current applicable Special Access Program (SAP) clearance.
  • Knowledge of system test and integration.
  • Experience calibrating and inspecting special test equipment
  • Experience creating, updating and executing test procedures
  • Security+ certification
  • Experience with IBM Rational tool suite (DOORS and ClearQuest)
  • Experience with Atlassian tool suite (JIRA, Git, Confluence)
  • Experience using software test automation tools/frameworks
  • Experience with Java, C++, or Python

Primary Level Salary Range: $91,800.00 - $137,600.00
Secondary Level Salary Range: $114,000.00 - $171,000.00
The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.
Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.
Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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