Senior Security Architect

Blitzy•Cambridge, MA

1d•$180,000 - $325,000•Hybrid

About The Position

Blitzy is seeking a highly experienced Senior Security Engineer who operates at the level of a Security Architect to unify our security strategy as we scale our agentic software development platform. This is a visionary technical leadership role: you will provide clear visibility into emerging risks, drive large-scale mitigations, and strengthen our future security posture through applied security R&D. Given the nature of our platform, this role carries a heavy emphasis on product security and the security of machine learning ecosystems, spanning both stochastic and non-stochastic software.

Requirements

Advanced degree preferred (MSc in Security Informatics, PhD in Computer Science, or closely related field) or equivalent depth of hands-on experience
Extensive proven experience operating as a Security Architect, Senior Security Engineering Manager, or Technical Security Advisor at scale.
Exceptional skills in executive leadership, security strategy, and product security.
Deep expertise in machine learning security, vulnerability research, self-healing systems, and cryptography.
CISSP or equivalent certification/experience strongly preferred

Nice To Haves

A strong background in applied research, ideally with a history of committee involvement or publications related to LLM personalization, privacy-preserving architectures, or neural networks.
Demonstrated experience architecting security for high-stakes, production-grade environments at scale.
A track record of translating deep technical research into practical, enterprise-ready security controls.

Responsibilities

Unify organizational security strategy by identifying current and emerging threats across both stochastic and non-stochastic software.
Lead offensive and defensive security initiatives spanning cryptographic, cloud, and machine learning platforms.
Act as a key technical advisor to executive leadership, establishing consistent, prioritized guidance for mitigating security risks across partner organizations.
Oversee production security engineering, with a specific focus on anomaly detection, prevention, and autonomous fault detection.
Develop and implement comprehensive security strategies to address long-term risks in machine learning and AI ecosystems.
Foster industry-wide improvements by conducting novel vulnerability research and developing advanced security controls and features.
Design and architect robust digital security devices and platforms for high-stakes environments.