← Back to jobsPosted (ATS) 2/19/2026, 9:45:57 PM Updated (ATS) 8/21/2026, 8:10:17 PM First seen by us 7/2/2026, 7:01:46 AM Last re-seen 8/22/2026, 2:15:19 PM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 184 Stagnancy score 72.36 ATS job ID 7629843
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Principal Machine Learning Engineer, Embodied AI and Smart NPCs
Roblox · Software Engineering · San Mateo, CA, United States
A posting in this role has sat open 184 days — well past the 90-day mark where an opening reads as a resume black hole rather than an active search.
Rotation timeline
Every ATS job ID we've matched to this same normalized title, oldest first. "Posted" is the date the ATS reports; "last confirmed open" is the last time we saw it live.
- Location
- San Mateo, CA, United States
- Posted (ATS)
- Feb 19, 2026
- Last confirmed open
- Aug 22, 2026
- Open for
- 184 days +
Data provenance
- Source platform
- greenhouse
- Latest listing found
- https://careers.roblox.com/jobs/7629843?gh_jid=7629843
- Stream ID
- 537d3b64-e145-4cfc-84ff-2276a1969192