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Principal Test Engineer Jobs (NOW HIRING)

Your Team, Your Impact Marvell is seeking a highly motivated and talented Principal Test Engineer to join our dynamic NPI product engineering team. You will work on cutting-edge technologies ...

Principal Test Engineer

San Jose, CA · Hybrid

$126K - $234K/yr

Overview Rambus, a premier chip and silicon IP provider making data faster and safer, is seeking to hire an exceptional Principal Test Engineer to join our Operations team in San Jose. In this role ...

The Principal Test Engineer is responsible for the implementation, qualification, and continuous improvement of test processes and equipment. This role focuses on optimizing test capabilities ...

The Principal Test Engineer - SDET I , working with their scrum team, will plan, design and execute both manual and automated functional, integration, performance and/or regression tests. In addition ...

Lead medium to large teams through the planning and execution of Test Engineering programs. This includes constructing detailed, accurate project schedules, interfacing with project management ...

As a Principal Test Engineer, you will architect, design, and lead the development of sophisticated software-controlled hardware test solutions used to validate some of the industry's most complex ...

Lead medium to large teams through the planning and execution of Test Engineering programs. This includes constructing detailed, accurate project schedules, interfacing with project management ...

Principal Test Engineer

Lompoc, CA · On-site

$130K - $149K/yr

We are pleased to announce the opening for a Test Engineer who will join our Digital Transformation, Acquisition, Modernization, and Modification (DTAMM) Program supporting in Vandenberg Space Force ...

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How much do principal test engineer jobs pay per year?

As of Jun 6, 2026, the average yearly pay for principal test engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is a Principal Test Engineer?

A Principal Test Engineer is a senior-level professional responsible for overseeing the planning, design, and execution of testing strategies in software or hardware development projects. They lead quality assurance teams, set testing standards, and ensure that products meet both technical and customer requirements. Principal Test Engineers often collaborate closely with development, product management, and other stakeholders to troubleshoot issues and drive continuous improvement. Their expertise is crucial in identifying risks, optimizing testing processes, and mentoring junior engineers.

What are the key skills and qualifications needed to thrive as a Principal Test Engineer, and why are they important?

To thrive as a Principal Test Engineer, you need deep expertise in software testing methodologies, test automation, and quality assurance, typically supported by a degree in computer science or a related field. Familiarity with automation tools like Selenium, Jenkins, and scripting languages, as well as certifications such as ISTQB, are commonly expected. Strong leadership, problem-solving skills, and the ability to communicate complex technical concepts clearly are standout soft skills in this role. These skills are essential for driving high-quality product releases, mentoring teams, and ensuring robust, scalable testing solutions.

What is the difference between Principal Test Engineer vs Senior Test Engineer?

AspectPrincipal Test EngineerSenior Test Engineer
CredentialsBachelor's or Master's in Computer Science, Engineering, or related; certifications like ISTQBBachelor's or Master's in relevant field; ISTQB or similar certifications
Work EnvironmentLeads testing strategies, mentors teams, collaborates with stakeholdersPerforms testing, develops test cases, reports bugs
Industry UsageUsed across tech, software, hardware companies for senior technical leadershipCommon in software development and QA teams at all levels

The Principal Test Engineer typically holds a higher level of responsibility, focusing on testing strategy, leadership, and mentorship, while the Senior Test Engineer executes testing tasks and supports quality assurance efforts. Both roles require relevant certifications and experience, but the Principal role involves more strategic oversight and cross-team collaboration.

How does a Principal Test Engineer typically collaborate with cross-functional teams during the product development lifecycle?

Principal Test Engineers play a crucial role in working closely with development, product management, and quality assurance teams. They are often responsible for defining test strategies, reviewing requirements, and providing technical guidance to ensure quality standards are met throughout the development process. Regular collaboration may include participating in design reviews, leading test planning sessions, and troubleshooting complex issues with developers. This cross-functional involvement enables Principal Test Engineers to influence product quality at every stage and mentor junior engineers, fostering a culture of continuous improvement.
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What cities are hiring for Principal Test Engineer jobs? Cities with the most Principal Test Engineer job openings:
What states have the most Principal Test Engineer jobs? States with the most job openings for Principal Test Engineer jobs include:
Test Engineer / Principal Test Engineer

Test Engineer / Principal Test Engineer

Northrop Grumman Corporation

Los Angeles, CA • On-site

Full-time

Medical, Life, PTO

Posted 19 days ago


Northrop Grumman rating

8.1

Company rating: 8.1 out of 10

Based on 337 frontline employees who took The Breakroom Quiz

104th of 515 rated manufacturers


Job description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt 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 Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!

Northrop Grumman Mission Systemsis searching for a Test Engineer/Principal Test Engineerto support our Systems Engineering Integration & Test (SEIT) department. As a member of the SEIT department, the candidate will work in a fast-paced team environment alongside physicists, design engineers, and superconducting foundry engineers to make our technologies a reality. This position will serve on-site supporting the Sentinel Program, at our Woodland Hills, CA facility. This position will be 100% on-site.

Job Responsibilities

The candidate will serve as an Integration and Test Electrical Engineer for the Sentinel Program, requiring the candidate to function in adynamic multi-disciplinary environment. Daily responsibilities may include:

  • Support the installation, integration, and testing of Commercial-Off-The-Shelf (COTS) and custom equipment used to further research efforts on superconducting microelectronic devices.
  • Identify, troubleshoot, and remediate equipment issues to support system build-out and sell-off.
  • Communicate project status to the Integration and Test (I&T) IPT Lead.
  • Collaborate with research scientists and systems engineers to perform system architecture characterization studies on various system components.
  • Design, develop, and implement testing methods for individual pieces of equipment (both custom and COTS) and entire systems.
  • Compile data and help to define changes required in testing methodology, equipment, testing procedures, manufacturing processes, and new testing requirements.
  • Performing hands-on electrical testing at CCA level test setup and execution
  • Performing hands-on electrical testing at a systems level
  • Incorporating hardware and/or software design changes
  • Documenting & dispositioninghardwarediscrepancies,pursuing root cause & corrective actions

This requisition may be filled at a higher grade based on qualifications listed below

Basic Qualificationsfor Engineer Test (Level 2):

  • B.S. Electrical Engineering or equivalent STEM discipline with 2 years relevant work experience; or M.S. Electrical Engineering or equivalent STEM discipline.
  • Active DoD Secret Level security clearance.
  • Experience in electrical testing, diagnostics, and formal requirements decomposition with traceability and verification.
  • Ability to diagnose complex issues, lead problem-solving efforts, and drive tasks to completion.
  • Working knowledge of standard test equipment: network analyzers, oscilloscopes, waveform generators, synthesizers, digitizers, and/or signal analyzers.
  • Proficient in at least one of the following programming environments: MATLAB, C, C++, C#, and/or Python.
  • Strong written and verbal communication skills.

Basic Qualificationsfor Principal Engineer Test (Level 3):

  • B.S. Electrical Engineering or equivalent STEM discipline with 5 years relevant work experience; or M.S. Electrical Engineering or equivalent STEM discipline with 3 years relevant work experience
  • Active DoD Secret Level security clearance.
  • Experience in electrical testing, diagnostics, and formal requirements decomposition with traceability and verification.
  • Ability to diagnose complex issues, lead problem-solving efforts, and drive tasks to completion.
  • Working knowledge of standard test equipment: network analyzers, oscilloscopes, waveform generators, synthesizers, digitizers, and/or signal analyzers.
  • Proficient in at least one of the following programming environments: MATLAB, C, C++, C#, and/or Python.
  • Demonstrated teamwork and leadership of small projects or teams.
  • Strong written and verbal communication skills.

Preferred Qualifications:

  • Active TS/SCI with poly security clearance.
  • Experience creating automated test scripts that integrate with hardware interfaces.
  • Working knowledge of standard design components: filters, couplers, splitters, amplifiers, etc.
  • Experience working with operational hazards such as overhead lifting, Thermal Chambers, and Vibration Test systems.
  • Experience with MES, or other digital work instruction platform.
  • Strong track record of driving innovation and spearheading digital-transformation initiatives in test workflows.
  • Experience engaging external customers through meetings, presentations, and technical negotiations.
Primary Level Salary Range: $83,400.00 - $125,200.00Secondary Level Salary Range: $103,600.00 - $155,400.00The 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