Staff System Test Automation Engineer, AI
Sonatus
CA$148,500 - CA$204,000 / year
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Description
At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 9 million vehicles on the road today and rapidly expanding.
Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.
The Opportunity:
Sonatus is looking for an experienced Staff System Test Engineer with deep expertise in AI testing to lead quality efforts across AI-driven embedded and cloud-connected systems. This role centers on validating AI model testing, deployment, monitoring, and test automation within innovative automotive and cloud environments. This is a hybrid role where you must come into our Sunnyvale HQ office 3 days a week. You will be reporting to our Senior Manager, Engineering (QA Automation - Vehicle).
Role and Responsibility:
- Collaborate with diverse teams to define testing strategies for challenging and innovative projects.
- Develop and execute detailed test plans using both automated and manual testing.
- Triage integration issues, replicate problems, and assist in identifying root causes and solutions.
- Escalate potential issues (Software, Hardware, Resources) to the Project Manager/Executive team.
- Track testing activities, ensuring clear alignment across key stakeholders
- Identify areas for improvement in test coverage and methodology, providing valuable suggestions.
- Act as the gatekeeper for each release, representing the voice of customers and providing constructive feedback.
- Work with the development team to orchestrate AI model deployment, testing, and scoring.
Qualifications:
- A bachelor’s degree (MS preferred) in computer science, computer engineering, electrical engineering, or other related fields is required.
- Minimum 5 years of experience in embedded software in data centers, networking, security, cloud services, or the automotive industry, and minimum 1+ year of experience with AI model development and testing.
- Proficient in test methodologies with experience in system-level testing of physical devices.
- Familiarity with the Linux command line and proficiency in shell scripting.
- Familiarity with Quality Assurance for the Cloud Platform developed on private and public Cloud Infrastructure.
- Strong expertise in AI fundamentals, neural networks, and model deployment and ML flow.
- Strong experience in E2E testing of cloud-controlled / monitored embedded products.
- Review and challenge product requirements, design, and functional specifications.
- Proficient in developing, reviewing, and modifying Python scripts to enhance test coverage.
- Experience with designing and implementing test tools for AI/ML automation and deployment
- Familiarity with common test frameworks such as PyTest, Playwright, Behave, or similar.
- Familiarity with test tools in the data analytics space is a plus.
- Proficiency in JIRA, Jenkins, or similar tools.
Sunnyvale HQ Benefits & Perks Offered:
- Health care plan (Medical, Dental & Vision)
- Flexible and Dependent Care Expense program
- Retirement plan (401k)
- Life Insurance (Basic, Voluntary & AD&D)
- Unlimited paid time off per year, 14+ paid holidays
- Hybrid office work arrangement
- Complimentary lunches, snacks, and beverages during on-site working days
- Wellness benefit allowance
- Phone & Internet reimbursement
- Computer Accessory Allowance
The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.
Benefits
- health insurance
- 401(k)
- paid time off
- life insurance
About this role
Sonatus is seeking a Staff System Test Automation Engineer to lead quality validation for AI-driven automotive software deployed across millions of vehicles in production. The role demands expertise in testing AI models throughout their lifecycle—from development and deployment to monitoring in both embedded and cloud environments. You'll work across cross-functional teams to design testing strategies, execute test plans, triage integration issues, and ultimately serve as the quality gatekeeper before each release, ensuring the voice of the customer is heard throughout the process.
The ideal candidate brings at least five years of embedded software experience in data centers, networking, cloud services, or automotive contexts, paired with one or more years working directly with AI model development and testing. You'll need strong fundamentals in AI, neural networks, and ML workflows, along with hands-on proficiency in Python, Linux command line scripting, and test frameworks like PyTest or Playwright. System-level testing of physical devices, end-to-end testing of cloud-controlled embedded products, and familiarity with CI/CD tools like Jenkins and JIRA round out the technical requirements.
This is an in-office role based at Sonatus's Sunnyvale headquarters, requiring three days per week on-site. The position offers a competitive salary range of $148,500–$204,000, comprehensive health and wellness benefits, unlimited PTO, and perks including complimentary meals on working days and phone reimbursement.
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$148,500 to $204,000 per year
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