← Back to jobsPosted (ATS) 10/24/2025, 5:12:27 PM Updated (ATS) 8/21/2026, 8:12:33 PM First seen by us 7/28/2026, 5:30:21 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 302 Stagnancy score 90.38 ATS job ID 7351202
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Principal Machine Learning Infrastructure Engineer, Ads & Discovery
Roblox · Software Engineering · San Mateo, CA, United States
A posting in this role has sat open 302 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)
- Oct 24, 2025
- Last confirmed open
- Aug 22, 2026
- Open for
- 302 days +
Data provenance
- Source platform
- greenhouse
- Latest listing found
- https://careers.roblox.com/jobs/7351202?gh_jid=7351202
- Stream ID
- aa0719f3-3ebc-434c-8721-868c2f2adf45