1password - Principal Engineer - Product Engineering

• You have built and operated production systems where trust, correctness, and failure handling matter. • You have deep experience with AI or ML systems in production, ideally including LLM-integrated systems with explicit guardrails, evaluation pipelines, auditable tool use, and clear limits on autonomous behavior. • You have strong instincts for privacy-preserving design, including client-side or edge inference, constrained telemetry, explainable system behavior, and predictable user-facing outcomes. • You have meaningful depth in security-sensitive domains such as identity, authentication, authorization, secrets management, enterprise controls, endpoint trust, or adversarial detection. • You have a track record of setting technical direction across multiple teams, making durable architecture decisions, and driving delivery through complex dependencies. • You communicate clearly with engineers, executives, and cross-functional partners. You can explain hard tradeoffs plainly and make good judgment legible. • Experience with endpoint or device posture signals, browser or extension security, phishing detection, or enterprise device trust. • Experience with SaaS administration, identity lifecycle workflows, or enterprise policy automation. • Experience building evaluation, red-team, or abuse-testing frameworks for AI-assisted systems. • What you can expect: • You will set the rules for where model-based reasoning is appropriate, where deterministic systems must take over, and how those layers interact safely in production. • You will define the standards for signal collection, aggregation, retention, and use. That includes making clear decisions about what happens locally, what happens remotely, and what should not be collected at all. • You will design the control model for agentic and tool-using systems in product contexts, including permission boundaries, approval paths, audit logs, rollback behavior, and safe fallback under uncertainty. • You will establish the platform primitives that let teams build AI features consistently and safely, including interfaces for model invocation, policy evaluation, tool execution, experimentation, telemetry, and evaluation. • You will make key architecture calls on where 1Password should build differentiated capability, where it should integrate with adjacent systems, and where it should stay opinionated about scope. • You will work with Security, Privacy, Legal, and Compliance early in the design process so that trust, regulatory, and data-handling requirements are built into the architecture from the start. • You will raise the operational bar for AI in production by defining service expectations, evaluation frameworks, rollout controls, rollback paths, abuse testing, and incident playbooks. • You will lead through technical judgment and influence across teams. This role is expected to shape direction well beyond any single codebase. • What success looks like: • Success in this role means 1Password can ship AI-powered security capabilities that are effective, measurable, and worthy of customer trust. • Meaningful reduction in credential-related risk patterns • Faster and safer response when risk is detected • High admin confidence in AI-assisted controls and recommendations • Product experiences that reduce friction instead of introducing opaque automation • Clear evaluation and observability standards that let teams improve systems without weakening safety, privacy, or reliability • USA-based roles only: The annual base salary for this role is between $246,000 USD and $369,000 USD, plus immediate participation in 1Password's benefits program (health, dental, 401k and many others), utilization of our generous paid time off, an equity grant and, where applicable, participation in our incentive programs. • Canada-based roles only: The annual base salary for this role is between $228,000 CAD and $342,000 CAD, plus immediate participation in 1Password’s generous benefits program (health, dental, RRSP and many others), utilization of our generous paid time off, an equity grant and, where applicable, participation in our incentive programs. • At 1Password, we approach each individual's compensation with a promise of fair market value and internal equity commensurate with experience and specific skill set. • This posting is for an existing vacancy. • At 1Password, we prioritize collaboration, clear and transparent communication, receptiveness to feedback, and alignment with our core values: keep it simple, lead with honesty, and put people first. • You’ll be part of a team that challenges the status quo, and is excited to experiment and iterate in search of the best solution. That said, 1Password is not for everyone https://blog.1password.com/inside-the-culture-powering-1passwords-next-chapter/. Our work is demanding, we strive for excellence, and the pace is fast. We need people who are keen to take on challenging problems, who seek feedback to grow, and who are driven to make an impact. If you're looking for a place where you can settle into a comfortable routine, this might not be the right fit for you. We’re looking for individuals who are proven experts in their fields, as well as those who are highly adaptable, can thrive in ambiguity and through change, are curious, and above all deliver results. • How we work with AI • We are committed to leveraging cutting-edge technology—including AI—to achieve our mission. We also understand that thinking critically about AI in its current forms will help us create better solutions for our customers and ourselves with its future forms, which will help us continue to close the gap between security and privacy and achieve our mission. We want team members at all levels to take the approach of actively learning AI best practices, identifying opportunities to apply AI in meaningful ways, and driving innovative solutions in their daily work. Embracing the future of AI isn't just encouraged—it's an essential part of how we will be successful at 1Password. • This approach extends to our hiring process—candidates are welcome to use AI tools responsibly and thoughtfully during the application process. • Our approach to remote work