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Head of Security

Blitzy · On-site

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Last seen by MeritLog September 4, 2026Source: AshbySource version: ashby-public-job-posting-v1

Source: the employer's Ashby job board. Open the original listing for current details. Availability is not verified for this retained page.

Job details

Work model
On-site
Salary
Not listed by source
Location
Cambridge, MA
Company website
socket.io

Job description

Blitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle by autonomously building custom software to unlock the next industrial revolution. We're transforming how enterprises build software, turning enterprise requirements into enterprise grade code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work. We're backed by multiple tier 1 investors, and have proven success as founders of previous start-ups. OUR CULTURE Who we are: Led by two pioneering co-founders we are one of the fastest growing companies in the U.S., creating our own category of enterprise autonomous software development. We automate thousands of hours of software development for our customers, which includes strong representation within the Fortune 500. How we work: - We move Blitzy Fast: Time is both our company’s and our clients’ most precious asset. We move quickly and decisively to innovate internally and deliver exceptional software externally. - Championship Mindset: We operate like a professional sports team. We win as a team by holding ourselves and each other to high standards, collaborating in-person, and remaining focused on the mission. - Passion for Invention: We’re pushing the frontier of what’s possible, requiring constant innovation and iteration. - We Work for the Customer: We focus on delivering outsized value to the customers we work with and expanding those relationships into deep, meaningful partnerships. - We believe in being ‘everyday athletes’: taking care of ourselves so we can bring our best minds to work. We promote great sleep, movement, and restorative activities for optimal mental performance. It makes for a happier and more productive team. ABOUT THE ROLE Blitzy is seeking a highly experienced Head of Security 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. You'll shape the security strategy for an agentic platform that autonomously writes production code, placing you at the frontier of securing the agentic software development lifecycle rather than just conventional infrastructure. You'll operate with direct visibility to executive leadership, translating novel vulnerability research into company-wide mitigation strategy rather than executing someone else's roadmap.   RESPONSIBILITIES - Unify organizational security strategy by identifying and prioritizing current and emerging threats across stochastic and non-stochastic software. - Lead offensive and defensive security initiatives across cryptographic, cloud, and machine learning platforms. - Advise executive leadership by establishing consistent, prioritized guidance for mitigating security risks across partner organizations. - Oversee production security engineering with a focus on anomaly detection, prevention, and autonomous fault detection. - Develop and implement comprehensive security strategies to address long-term risks across machine learning and AI ecosystems. - Advance industry-wide security practices through novel vulnerability research and the development of advanced security controls and features. - Design and architect robust digital security devices and platforms for high-stakes environments.   QUALIFICATIONS - 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 - 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 - Proven ability to translate complex technical research into practical, enterprise-ready security controls and solutions   Salary Range: $220,000 - $260,000 + Bonus + Equity Blitzy is an equal opportunity employer committed to building a diverse and inclusive team. We believe different perspectives make us stronger. Base salary ranges are determined by country, role, level, experience, and skills. The range displayed on each job posting reflects Blitzy’s good faith determination of the minimum and maximum targets for new hire salaries across all US locations. Individual pay is determined by related factors, including job skills, experience, and relevant education or training, which may impact a final offer. Your Talent Partner can share more about the specific salary range during the hiring process.

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