Review the skills in Castellum's job postings and prepare examples from your own work. Candidate-reported questions and our suggested exercises are labeled separately below.
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[01] BY THE NUMBERS
Pulled straight from Castellum's career page and public data sources. Linked figures open their source or a fuller breakdown.
Full Castellum company profile[02] PRACTICE
Use the requirements below to choose relevant examples from your work. For each example, explain the problem, your contribution and the result. Ask your recruiter which skills the interview will cover.
The current posting asks for:
Proficient in Microsoft Word, Excel, Outlook, PowerPoint, Project, and Adobe.
Master’s degree from an accredited institution is preferred.
(Note): Bachelor’s degree and/or equivalent On the Job (OJT) experience substitution is acceptable.
Read the employer’s full posting · Posted 2026-10-09
The current posting asks for:
Bachelor’s degree in Electrical Engineering, Electrical Engineering Technology, Electronics Engineering Technology, or a related technical discipline with 0-3 years of relevant experience; OR an Associate degree, technical school diploma, or military electronics training with 3 or more years of relevant electronics, instrumentation, calibration, test equipment, maintenance, manufacturing, or technical support experience.
An equivalent combination of technical education, training, and directly relevant experience may be considered.
Must have a Secret level or higher clearance or be able to obtain a Secret Clearance.
Read the employer’s full posting · Posted 2026-10-02
The current posting asks for:
Must have a Secret level or higher clearance.
Demonstrated experience developing and maintaining RMF authorization packages, including direct responsibility for preparing systems for an initial ATO or significant authorization update.
Hands-on experience with eMASS, including security control documentation, artifact management, assessment findings, POA&Ms, and continuous monitoring.
Read the employer’s full posting · Posted 2026-09-30
[03] APPLY LOGISTICS
Castellum runs hiring on Adp, so the application form is hosted there. Keep your contact details and work history consistent with your resume.
Part of ADP's comprehensive HR platform, ADP Recruiting Management helps organizations streamline hiring from requisition to onboarding.
Sniper applies on Greenhouse, Workday, SmartRecruiters, Ashby and Lever career sites, and Castellum hires through Adp, so the fastest route here is to get instant alerts when Castellum posts a new role and apply yourself while it is fresh.
ATS identified from the application URLs on Castellum's recent postings
[04] FAQ
These answers draw on current listings and the available sources for Castellum.
Scoutify currently lists 18 open roles at Castellum. Follow the job links to check requirements and apply on the employer's career site.
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