ashby
Principal Information Security Engineer
SentiLink
Remote, USA
Full-time
Senior · 8+ years experience
Remote
USD 220000-280000 / year
Discovered 1 weeks ago
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Role:
We’re looking for a Principal Information Security Engineer to lead and elevate security across SentiLink’s infrastructure, applications, and internal systems. This is a highly technical, hands-on role focused on building scalable security foundations while enabling the business to move quickly and safely.
You will partner closely with Engineering, Infrastructure, Product, Legal, and Compliance teams to design secure systems, improve detection and response capabilities, strengthen cloud security posture, and reduce organizational risk. You’ll help shape long-term security strategy while remaining deeply involved in technical implementation and operational execution.
This role is best suited for someone who combines strong technical depth with practical judgment and thrives in fast-moving, high-ownership environments.
Responsibilities:
- Design and build internal security tooling from scratch, including agent-based security tooling, code analysis tooling, dynamic scanning, and security assessment tools
- Identify vulnerabilities across SentiLink's AWS-based stack, including application code, cloud service configurations, and integrations between the two
- Develop AI-assisted and agent-based tooling to scale offensive security testing beyond what a small team can do manually
- Build and maintain security automation that improves detection, response, and remediation across the organization
- Conduct hands-on penetration testing and vulnerability research against SentiLink's infrastructure and applications
- Partner with engineering teams to remediate findings and embed security into the development process without slowing them down
- Participate in the security on-call rotation, including incident response and regular response testing
- Contribute to threat modeling and security design reviews for new systems, with a focus on cloud integrations and identity flows
- Stay current on offensive security techniques, AI-assisted security tooling, and emerging attack patterns relevant to fintech and identity verification
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