Sr. Systems Test Engineer (Data Analyziing)
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Job Location:
Monthly Salary:
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
We are looking for a Test Engineer with strong data analytics capabilities to join the Calix Systems Test team.
In this role you will be responsible for system-level testing of Calix access network systems. You will also perform in-depth analysis of network device logs performance indicators (KPIs) and user behavior patterns to provide data support for product quality optimization anomaly detection and improvements to network experience.
This position requires both a network testing technical background and data analytics skills with the ability to convert complex data into actionable insightscontinuously enabling Calix to drive product and experience innovation through data.
Responsibilities
1. Network Behavior and Log Data Analysis
- Analyze key data such as network device logs traffic characteristics and alarm events.
- Use tools such as Python and SQL to clean model and visualize large-scale network data.
- Apply machine learning methods for anomaly detection pattern recognition and predictive analytics.
- Support analysis of user behavior models (behavior patterns) to inform product design and network optimization.
2. Data Visualization and Reporting
- Build dashboards and visualization reports using BI tools such as Tableau and Power BI.
- Present testing insights and data-driven conclusions to cross-functional teams including R&D Product and Quality.
3. Solution Testing
- Participate in the design and execution of system tests for Calix end-to-end solutions (Access Network Systems).
- Conduct testing related to functionality performance stability and scalability.
- Analyze system bottlenecks and potential risks based on test results and drive cross-team issue resolution.
- Develop test scripts automation tools or process optimization solutions.
Job Requirements
Must-Haves
- Bachelors degree or above in Computer Science Communications Engineering Data Science or a related field.
- Solid foundation in data analytics; proficient in Python (pandas numpy scikit-learn etc.).
- Familiar with basic machine learning methods: linear regression logistic regression decision trees random forests SVM clustering etc.
- Hands-on experience with data modeling and data mining.
- Familiar with TCP/IP Ethernet and routing/switching fundamentals (e.g. DHCP PPP VLAN QoS).
- Strong logical thinking data sensitivity and mathematical skills.
Nice-to-Haves
- Experience in network device testing test automation or system-level solution testing.
- Experience analyzing large-scale logs (e.g. syslog back-end cloud logs).
- Familiar with carrier scenarios or home broadband access networks (e.g. GPON/XGS-PON Wi-Fi OLT/ONT).
- Familiarity with Calix product architecture is a plus.
- Experience with DevOps CI/CD or Python automation scripting.
Required Experience:
Senior IC
Key Skills
- Apache Hive
- S3
- Hadoop
- Redshift
- Spark
- AWS
- Apache Pig
- NoSQL
- Big Data
- Data Warehouse
- Kafka
- Scala
About Company
Calix is a leading provider of cloud and software platforms, systems, and services for internet service providers. Partner with Calix and grow your business.
