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About the Role

Sierra is building a platform to help businesses create better customer experiences using AI. This role will drive high-impact security and infrastructure initiatives, owning execution, planning, and program health for critical security programs. You will translate ambiguity into clear execution, build security foundations, and lead communication and alignment across various teams.

Responsibilities

• Drive high-impact security and infrastructure initiatives end-to-end.
• Lead complex, cross-functional programs spanning cloud infrastructure, platform security, identity and access management, detection and response, vulnerability management, and secure software delivery from problem definition through execution and sustained outcomes.
• Own execution, planning, and program health.
• Be accountable for sequencing work, managing dependencies, tracking risk, and ensuring delivery of Sierra’s most critical security programs, with clear milestones and outcomes.
• Help shape Sierra’s security strategy.
• Partner with security and engineering leadership to define priorities, investment areas, and execution plans that align risk reduction with platform growth, customer trust, and long-term scalability.
• Build and strengthen security foundations.
• Drive programs that establish durable security primitives such as identity boundaries, access controls, logging and detection baselines, incident readiness, and secure defaults that future teams and features can confidently build on.
• Translate ambiguity into clear execution.
• Decompose loosely defined security, risk, and compliance challenges particularly in emerging AI domains into structured programs, prioritized workstreams, and measurable outcomes.
• Lead communication and alignment.
• Provide clear updates to leadership on program health, risks, dependencies, and tradeoffs; surface issues early and drive cross-functional alignment.

Requirements

• Experience running security-focused technical programs in fast-growing SaaS or platform environments.
• Strong technical fluency across cloud infrastructure, IAM, infrastructure as code, observability, secure CI/CD, and incident response.
• Ability to execute through ambiguity, prioritize effectively, and keep teams moving.
• Comfort operating in environments where things aren’t fully built yet and helping decide what needs to be built first.
• Clear, concise communication with senior technical and business leaders.
• A collaborative, pragmatic style with high ownership and high agency.
• Experience scaling security programs globally in AI-first or data-intensive SaaS environments.
• Exposure to emerging AI risk, data governance, or agent and model-related security considerations.
• Experience supporting security initiatives in public-sector, regulated and/or multi-cloud environments (AWS, GCP, Azure).
• Relevant security, cloud, AI or technical program management certifications.
• Familiarity with regulatory and compliance frameworks (ISO 27001, PCI DSS, FedRAMP, HIPAA).

Skills

• Cloud infrastructure
• IAM
• Infrastructure as code
• Observability
• Secure CI/CD
• Incident response
• AI risk
• Data governance
• Agent and model security
• AWS
• GCP
• Azure
• ISO 27001
• PCI DSS
• FedRAMP
• HIPAA

Location

• San Francisco
• Atlanta
• New York
• London
• Paris
• Madrid
• Munich
• Singapore
• Tokyo
• Sydney

Work Type

• In-person
• Full-time

Benefits

• Flexible (unlimited) paid time off
• Medical, dental, and vision benefits for you and your family
• Life insurance and disability benefits
• Retirement plan dependent on country of employment
• Parental leave
• Fertility and family building benefits through Carrot
• Lunch, as well as delicious snacks and coffee
• Discretionary benefit stipend
• Free alphorn lessons
• Equity plans

About the Company

• Sierra is creating a platform to help businesses build better, more human customer experiences with AI.
• We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family.
• Our co-founders are Bret Taylor and Clay Bavor. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace.

Equal Opportunity

• We encourage you to apply even if your experience doesn't precisely match the job description.
• We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.