I applied online. I interviewed at Tenable (Columbia, MD) in Mar 2026
Interview
First, there is a behavioral interview with a hiring manager. Next, two technical interviews with pseudo coding. Finally, one system design. The interview is conversational. Emphasis is placed on your reasoning and not necessarily compilable code.
Interview questions [1]
Question 1
Technical: 1) Cache question. 2) Traverse file in batches.
System Design: notification system
I applied online. The process took 4 weeks. I interviewed at Tenable in Jun 2025
Interview
The hiring process consisted of three main stages:
Initial phone screening with HR.
Manager interview: Deep dive into my resume/background and discussion about the project/role.
Technical interview: A live coding session to test practical skills. Overall, a straightforward process.
In an online interview, the shortest path graph question was unclear.
Also the SQL task was unsolvable.
The time given was too short.
The interviewer ignored my solution, and had poor communication.
Senior Software Engineer applicants have rated the interview process at Tenable with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 52.3% positive. This is according to Glassdoor user ratings.
Candidates applying for Senior Software Engineer roles take an average of 42 days to get hired, when considering 6 user submitted interviews for this role. To compare, the hiring process at Tenable overall takes an average of 21 days.
Common stages of the interview process at Tenable as a Senior Software Engineer according to 6 Glassdoor interviews include:
One on one interview: 27%
Phone interview: 20%
Other: 13%
Skills test: 13%
Group panel interview: 7%
Drug test: 7%
Presentation: 7%
Background check: 7%
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