Operational Inmation Security Officer

Aztec is building a Layer 2 with private smart contracts, leveraging zkSNARKs and a zero‑knowledge DSL. Our team invented Plonk and Noir, and we have raised $125 million from leading investors. We are growing quickly and are looking for an Operational ISO to strengthen our security posture.

Role Overview

As an Operational ISO of Aztec, you will define and execute a comprehensive operational security strategy. You will work closely with engineering and operations teams to ensure the integrity, confidentiality, and resilience of our infrastructure and processes. This role is ideal for an experienced OpSec engineer or hands‑on manager who has previously worked in a distributed environment, ideally in blockchain security.

Key Responsibilities

• Develop and implement a robust cybersecurity strategy tailored to Aztec’s processes.
• Define security policies, standards, and best practices within the organization.
• Advise executive leadership and engineering teams on security risks and industry best practices.
• Lead incident response planning, ensuring rapid detection, containment, and remediation of security threats.
• Develop security monitoring, logging, and detection systems to prevent unauthorized access.
• Ensure the security of cloud‑based infrastructure, DevSecOps pipelines, and decentralized nodes.
• Assist engineering teams to implement secure software development life cycle (SDLC) practices.
• Conduct threat modeling exercises to identify vulnerabilities.
• Manage security awareness training for employees, ensuring a culture of security‑first thinking.

Qualifications Required

• 7+ years of experience in cybersecurity.
• Experience securing cloud‑based infrastructure (AWS, GCP, or Azure) and DevSecOps environments.
• Proven ability to design and implement security frameworks in fast‑paced, high‑growth organizations.
• Excellent communication and cross‑functional collaboration skills.

Nice to Have

• Familiarity with DeFi protocols, MEV security, and decentralized governance models.
• Track record of leading bug bounty programs and engaging with security researchers.
• Relevant certifications: CISSP, CISM, Offensive Security certifications.

Aztec Labs is an equal opportunity employer and we value creativity, diversity, and intellectual curiosity.