Cleared jobs at Castellum Inc.
11 active postings that name a clearance requirement, most of them in New Jersey. Read daily from Castellum Inc’s own careers site — these are their postings, not a repost.
Castellum Inc careers site →Where the work is
Metro areas
- Washington DC metro6
Clearance mix
- Secret7
- TS/SCI2
- Public Trust1
- Top Secret1
Open cleared roles at Castellum Inc
Equipment Specialist /Calibration Metrology
Posted yesterdayLakehurst, NJSecretData Scientist
Posted 4 days agoFort Belvoir, VASecretInformation & Content Manager
Posted 10 days agoArlington, VATS/SCIAcquisition Analyst, Sr.
Posted 10 days agoPatuxent River,, MDTop SecretSenior Data Analyst
Posted 14 days agoWashington, DCPublic TrustJourneyman Communication & Collaboration Spec
Posted 14 days agoArlington, VATS/SCIWant the Castellum Inc roles that actually fit you?
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Match me to cleared roles →PKI Engineer
Posted 3 months agoAberdeen Proving Ground, MDSecretRF Engineer
Posted 2 months agoArlington, VASecretEMALS Lab Engineer
Posted 28 days agoLakehurst, NJSecretEMALS/AAG Lab Manager
Posted 28 days agoLakehurst, NJSecretSoftware Engineer
Posted 25 days agoLakehurst, NJSecret
Cleared work at Castellum Inc, answered
- What clearance do most Castellum Inc jobs require?
- Secret is the most common requirement, on 7 of the 11 active cleared Castellum Inc postings we track. The full mix runs Secret (7), TS/SCI (2), Public Trust (1), Top Secret (1).
- Where does Castellum Inc hire cleared talent?
- New Jersey (4), Virginia (4), Maryland (2), Washington, DC (1). Postings whose location we can't resolve are counted in the total but not broken out here.
- How often is this list of Castellum Inc cleared jobs updated?
- Daily. ClearMatch reads Castellum Inc's own careers site every day and rebuilds these counts overnight. Only postings that state a clearance requirement are listed, so their civilian roles are excluded.
Updated August 20, 2026