Principal Engineer, Test Engineering
Semtech· Internet· Aug 6, 2026 · 3mo agoPosted 82 days ago
USA - San Diego, CA
In office
Full-time
Principal
$137K–$196K
12+ years exp
Before you apply
Ghost Signal:
Open 82 days.
Job description
Location: San Diego, CA - Hybrid (4 days in office, Friday remote)
Our Team:
Semtech s Global Test Engineering team is a world-class organization of innovative engineers who enable the success of our entire semiconductor portfolio through cutting-edge test solutions and methodologies. We are the technical backbone that ensures every Semtech product meets the highest standards of quality, reliability, and performance. Our team spans multiple sites globally and serves as the center of excellence for test innovation, working closely with all business units to deliver breakthrough test capabilities. We specialize in mixed-signal, high-speed digital, and RF test development. Our engineers drive competitive advantage through innovative test architectures, methodologies, and continuous improvement initiatives that directly impact Semtech s bottom line.
Job Summary:
We are seeking a Principal Test Engineer to serve as the technical authority and strategic leader for new product introduction test development in our mixed-signal product portfolio. This role demands a proven innovator who can architect comprehensive test solutions spanning from early silicon validation through high-volume production. The ideal candidate will drive testability standards across the organization, lead complex multi-disciplinary projects, and deliver breakthrough test methodologies that enable next-generation test solutions supporting sensing products for wearables, cell phones, as well as industrial and automotive.
Primary responsibilities:
Technical Leadership & Architecture
Architect and define test strategies for complex mixed-signal products from concept through production maturity
Lead development of innovative test methodologies sensing products
Drive DFT/testability requirements into IC architecture, establishing company-wide standards and best practices
Develop and implement advanced test techniques for sensing products
Create reusable test IP, libraries, and frameworks that accelerate NPI cycles across product families
Perform technical risk assessment and mitigation strategies for test coverage and quality
Cross-functional NPI Support
Serve as test engineering authority in product architecture reviews and gate meetings
Partner with IC design teams from concept phase to ensure optimal test coverage and manufacturability
Lead test readiness reviews with stakeholders, providing strategic recommendations
Collaborate with Product Engineering to define characterization strategies and correlation methodologies
Interface with customer quality teams on test specifications and coverage requirements
Architect and launch test solutions that achieve test time targets for complex mixed-signal devices
Drive continuous improvement initiatives that reduce NPI cycle time by 10-20%
Innovation & Technology Development
Research and implement next-generation ATE capabilities and measurement techniques
Develop proprietary test methods that provide competitive advantage in cost and quality
Lead evaluation and adoption of new test platforms, instrumentation, and methodologies
Pioneer implementation of AI/ML techniques for yield enhancement and test optimization
Establish Semtech as industry leader in mixed-signal test innovation
Production Excellence & Scale
Ensure seamless transfer of test solutions to high-volume OSATs with >99% first-pass success
Drive test cost reduction initiatives delivering year-over-year improvements
Establish and monitor KPIs for test effectiveness, efficiency, and quality
Mentorship & Knowledge Management
Mentor junior engineers, developing next generation of test leaders
Create and maintain comprehensive test methodology documentation and training materials
Build strategic relationships with test partners to influence platform development
Foster culture of innovation and continuous learning within test organization
Required Qualifications:
Education & Experience:
Bachelor s degree in Electrical Engineering, Computer Engineering, or related field
12 years of progressive experience in semiconductor test engineering
8 years specifically in mixed-signal test development
Proven track record leading NPI programs for high-speed communication ICs
Technical Expertise:
Expert-level proficiency with Advantest V93000 platform (SmarTest 7/8)
Advanced programming skills in C/C , Python, and TCL
Deep understanding of high-speed signal integrity, jitter analysis, and BER testing
Expertise in analog/mixed-signal DFT techniques (BIST, scan, boundary scan)
Strong foundation in statistical process control and quality methodologies
Experience with PCB design tools (Cadence, Altium) and signal integrity simulation
Leadership & Business Acumen:
Demonstrated ability to influence without direct authority across organizations
Track record of delivering complex projects on aggressive schedules
Strong presentation skills to executive leadership and customers
Proven ability to build and maintain strategic vendor relationships
Desired Qualifications:
Master s degree or PhD in relevant engineering discipline
15 years in semiconductor test
Experience with SiGe BiCMOS process technology and its test challenges
Knowledge of automotive quality standards (AEC-Q100) and qualification flows
Familiarity with 93000 PS1600/PS3600 digital channels and Wave Scale RF
Experience with wafer-level testing and probe card design
Experience with test data analytics and machine learning applications
Unique Differentiators for This Role:
Serves as company-wide test architecture authority for mixed-signal products
Builds test capabilities that enable entry into new markets and applications
Establishes Semtech s reputation as test innovation leader in high-speed communications
The intent of this job description is to describe the major duties and responsibilities performed by incumbents of this job. Incumbents may be required to perform job-related tasks other than those specifically included in this description.
All duties and responsibilities are essential job functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.
We are proud to be an EEO employer M/F/D/V. We maintain a drug-free workplace.
A reasonable estimate of the pay range for this position is $137K - $196K. There are several factors taken into consideration in determining base salary, including but not limited to: job-related qualifications, skills, education and experience, as well as job location and the value of other elements of an employee’s total compensation package.
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