System Test Engineer for Cloud Services

Sunnyvale, CA (Hybrid)
Operations /
Full Time /
Hybrid
Sonatus is a well-funded, fast-paced, and fast-growing company whose technologies and software help automakers build dynamic software-defined vehicles. With two generations of solutions already on the road with a top global OEM, our vehicle and cloud software solutions are at the forefront of the digital transformation of vehicles. The Sonatus team is a talented and diverse collection of technology and automotive specialists hailing from many of the most prominent companies in their respective industries.

We are in an accelerated growth phase and looking for highly motivated, accomplished, and driven System Test Engineers for Cloud Services to join our growing team. As a part of a cross-functional team that is responsible for the full software development life cycle, you will have the opportunity to work on cutting-edge technologies and products, from conception to deployment.

Location-wise, candidates should already reside within the SF/Bay Area, CA region as we promote a hybrid work model with 2-3-days in office requirement (for synergy, collaboration, engagement, and camaraderie with peers and management).

Duties and Responsibilities

    • Define testing strategies by working with product, development and other teams across the company
    • Develop detailed test plans per the specifications and execute test cases via a combination of automation or manual testing
    • Triage integration issues reported by partners and field problems reported during real vehicle testing. Reproduce problems in house and assist the development team to identify root cause and solutions
    • Escalate potential issues (Software, Hardware, Resources) to Project Manager / Exec team
    • Track all necessary testing activities, including schedule, resources, and requirements, defects and resolution so that there is a clear alignment across key stakeholders
    • Identify areas of improvements in test coverage, methodology and provide suggestions
    • Provide Quality Assurance of Cloud Platform that is developed on top of private and public Cloud Infrastructure
    • Be able to do both functional and Automation testing.
    • Write integration tests for backend applications and tests for RESTful/GraphQL APIs.
    • Design and develop integration, regression, stress tests and test suites with focus on automation
    • Good knowledge of Web/UI testing (using tools similar to Playwright expertise)..
    • Experienced in identifying the performance bottlenecks upfront and be able to build automation tools to continuously validate the scalability of all the services across Cloud Services

Qualifications and Experience - Senior Level

    • Bachelor’s degree (MS preferred) in Computer Science, Computer engineering, Electrical engineering, Mechanical engineering or other related fields with 5-8 years of working experience in embedded software in data center, networking, security, cloud services or automotive industry.
    • Excellent knowledge of test methodologies.
    • Well versed in software development processes of embedded products.
    • Proficiency with Linux command line and knowledge of shell scripting.
    • Good networking fundamentals, ideally paired with experience in cybersecurity.
    • Review and challenge product requirement specification, design and functional specification, define test strategy, develop detailed end to end solution test plan and test cases.
    • Competent with one or more of the following programming languages: Python, Java, Javascript, Go.
    • Experience with implementing front-end, back-end, end-to-end test cases via common tools and/or frameworks, such as Playwright expertise, PyTest, Behave, Postman, etc.
    • Ability to develop, review and modify Python scripts to enhance test coverage.
    • Experience with design and implementation of test tools for test automation. Ability to develop and improve test automation scripts.
    • Good working knowledge of test methodologies, processes, and tools like Playwright expertise.
    • Knowledge of the concepts of relational databases and NoSQL databases.
    • Experience working with client-server architectures and automation.
    • Experience with JIRA, Jenkins or similar tools.
    • Excellent written, verbal, and presentation skills

Qualifications and Experience - New Graduates

    • Bachelor’s degree (MS preferred) in Computer Science, Computer engineering, Electrical engineering, Mechanical engineering or other related fields. Coursework should include networking, databases, security, cloud services, and ideally automotive topics.
    • Interest in software testing and related test methodologies.
    • Good familiarity with Linux-based systems: command line, shell scripting.
    • Fundamentals of networking: Ethernet, TCP/IP.
    • Review and challenge product requirement specification, design and functional specification, define test strategy, develop detailed end to end solution test plan and test cases.
    • Competent with one or more of the following programming languages: Python, Java, Javascript, Go.
    • Experience with the Playwright test framework for implementing front-end, back-end, end-to-end test cases. Plus good familiarity with common test tools such as PyTest, Behave, Postman, curl, etc... is a plus.
    • Ability to develop, review and modify Python scripts to enhance test coverage.
    • Knowledge of the concepts of relational databases and NoSQL databases.
    • Experience working with client-server architectures and automation.
    • Experience with JIRA, Jenkins or similar tools.
    • Excellent written, verbal, and presentation skills

Desired Skills and Experience

    • Experience with system level testing on physical devices.
    • Experience in automotive design review and audit processes, such as: ISO 26262, Automotive SPICE, or ASIL standards.
    • Expertise with testing to meet functional safety requirements based on ISO 26262.
    • Experience in Kubernetes-based deployments and well versed with Microservices, Message brokers, and Big-data pipelines, such as Kafka.
    • Experience in using different test tools: Spirent, IXIA, Vector CANoe or similar products.
    • An understanding of automotive networking infrastructure, including the transition and transformation from LIN, CAN, CAN FD to Ethernet, and how different ECUs work together within a vehicle.
    • Well connected to be able to bring other talent is a big plus.
Consider being part of the Sonatus team and receive the following:

Benefit Offerings includes:
- Competitive compensation and equity program
- 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
- Hybrid office work-arrangement/flexibility

Perk Offerings include:
- Complimentary lunches, snacks and beverages during on-site working days
- Wellness benefit allowances (towards gym membership and fitness programs)
- Internet reimbursement
- Computer Accessory Allowance

Employee Engagement Offerings:
- Departmental team building and outings
- Employee Referral Program
- Culture/Employee Satisfaction Surveys - Feedback matters!
- Peer Award Program (monthly)
- Innovative Award Program (annual)


Sonatus is a fast-paced and innovative company and are seeking team members who are passionate about making a difference. If you are ready to take your career to the next level, we highly encourage you to apply.

To all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities.