Senior Security Architect

About the role

Blitzy is a Cambridge, MA-based AI software development platform aiming to revolutionize the software development life cycle through an agentic platform that autonomously builds custom software. Backed by tier 1 investors, Blitzy has a proven track record in founding successful start-ups. The role is located in Cambridge, MA (Hybrid).

Compensation

$180,000 - $325,000 (bonus + equity, commensurate with experience)

The Role

Blitzy is seeking a Senior Security Engineer to unify their security strategy as they scale their agentic software development platform. This role requires a strong background in security architecture, executive leadership, and product security.

What Success Looks Like

• Unified organizational security strategy with clear identification of current and emerging threats across stochastic and non-stochastic software.
• Executive leadership receives consistent, prioritized guidance for mitigating security risks across partner organizations.
• Mature anomaly detection, prevention, and autonomous fault detection capabilities in production systems.
• Comprehensive, forward-looking security strategies addressing long-term risks in machine learning and AI ecosystems.
• Industry-wide security improvements driven by novel vulnerability research and advanced security controls.

Areas of Ownership

• 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, focusing 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.

Required Experience

• 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.

What Makes You Stand Out

• 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.

What Makes This Role Different

This role offers the opportunity to shape the security strategy for an agentic platform that autonomously writes production code, positioning you at the forefront of securing the agentic software development lifecycle rather than just conventional infrastructure. Direct visibility to executive leadership and translating novel vulnerability research into company-wide mitigation strategy sets this role apart.

Our Culture

We are a fast-growing company in the U.S., creating our own category of enterprise autonomous software development. Our culture is shaped by our pioneering co-founders and our commitment to innovation, teamwork, and customer-centricity. We promote great sleep, movement, and restorative activities to ensure optimal mental performance and foster a happy and productive team. Blitzy is an equal opportunity employer committed to building a diverse and inclusive team.