Zscaler Interview Questions
Published March 27, 2026
Estimated reading time: 5 minutes
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Data Structures & Algorithms
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SQL
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Machine Learning
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Probability
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Statistics
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Zscaler Interview Questions
Practice for the Zscaler interview with these recently asked interview questions.
| Question | Topic | Difficulty | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQL | Easy | |||||||||||||||||||||||
Write a SQL query to select the 2nd highest salary in the engineering department. Note: If more than one person shares the highest salary, the query should select the next highest salary. Example: Input:
Output:
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Data Structures & Algorithms | Medium | |||||||||||||||||||||||
Machine Learning | Hard | |||||||||||||||||||||||
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SQL | Easy | |
Machine Learning | Medium | |
Statistics | Medium | |
SQL | Hard | |
Machine Learning | Medium | |
Python | Easy | |
Deep Learning | Hard | |
SQL | Medium | |
Statistics | Easy | |
Machine Learning | Hard |
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Zscaler Salaries by Position
Most data science positions fall under different position titles depending on the actual role.
From the graph we can see that on average the Software Engineer role pays the most with a $137,929 base salary while the Product Manager role on average pays the least with a $100,000 base salary.
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