Data Scientist at Castellum Inc
About the role
Castellum Inc. seeks a Data Scientist to support national security, cybersecurity, and electronic warfare missions. You will design and implement data pipelines, build machine learning and statistical models, and transform complex operational, cyber, and sensor data into actionable intelligence for U.S. government and military customers. Working in a mission-focused, collaborative environment, you’ll partner with cyber engineers, analysts, and program leaders to define requirements, develop pro…
Interview process at Castellum Inc
General interview process (this company's specific loop isn't published - reach out if you have insider info).
- Recruiter phone screen - typically 20-40 min
- Technical screen - 1 coding problem or take-home; format varies by company
- Onsite / virtual loop - typically 4-6 rounds over 2-3 weeks; exact split of coding, systems design, and behavioral varies by role and location
Platforms used: unknown — MiPrep tested compatible with major platforms
How to prepare
MiPrep helps you rehearse the specific cadence and question types Castellum Inc interviewers score on. Upload your resume and this job description; MiPrep generates a rehearsed answer set in your voice from your own projects.