Security Engineer · Boston
Security Engineer Jobs in Boston
There are currently 7 open Security Engineer jobs in Boston & Cambridge across 5 AI startups. 71% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.
7Open roles
5Companies hiring
Jun 15, 2026Last updated
01
Funding-stage mix
Series A 4 (57%)Series C 1 (14%)Series B 1 (14%)Series D 1 (14%)
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Open Security Engineer Roles in Boston
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Lead Cloud Security/AppSec Engineer | Flagship Pioneering | Series C | Cambridge, MA USA | Jun 15, 2026 |
| Lead Security Engineer | Liberate | Series B | Boston | Jun 14, 2026 |
| Co-Op, Lab IT/OT Security Engineer | Lila Sciences | Series A | Cambridge, MA USA | Jun 11, 2026 |
| Senior Product Security Engineer | 7AI | Series A | Boston, MA | Jun 9, 2026 |
| Principal Security Engineer - AI | 7AI | Series A | Boston, MA | May 28, 2026 |
| Senior Security Engineer - AI | 7AI | Series A | Boston, MA | May 27, 2026 |
| Senior Security Engineer | Semgrep | Series D | San Francisco, Boston, New York, Denver | Apr 2, 2026 |
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FAQ
How many Security Engineer jobs are open in Boston?
There are currently 7 open Security Engineer jobs in Boston across 5 AI startups on Fast AI Jobs.
What funding stages are hiring Security Engineers in Boston?
71% of open Security Engineer roles in Boston are at Series A–B startups, with the rest spread across seed and later-stage companies.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.