Physical Security Lead

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ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. 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 a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Sierra was co-founded by Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/ who first met while working together at Google over 20 years ago. Bret currently serves as Chairman of the Board of Open AI. Previously, he was co-CEO of Salesforce and CTO of Facebook. Clay spent 18 years at Google, where he most recently led Google Labs. WHAT YOU'LL DO - As Sierra's first Physical Security Lead, you will build and own our global physical security program from the ground up, protecting our people, offices, events, and information as we grow across North America, Europe, and Asia. You'll partner closely with Workplace Technology, IT Engineering, Workplace, Security Engineering, People, and Legal, and set the strategy, standards, and operating model for the function as it scales. - Program strategy and standards: Assess risk across every Sierra site and set a global baseline for physical security, including policies, standards, and site-tier requirements, prioritized into a practical roadmap with a budget and clear metrics. - Access control and security systems: Own the strategy and governance for badge access, video, intrusion detection, and visitor management, in partnership with Workplace Technology, who operate our office access and network systems. Make sure access follows least privilege, is reviewed regularly, and is removed promptly when people leave. Make sure these systems are monitored and have backup power. - Office openings and build-outs: Define security requirements for new offices and build-outs as we open new sites, and partner with Workplace, landlords, architects, and integrators from design through commissioning. - Sensitive spaces, insider risk, and threat assessment: Secure executive areas, boardrooms, and conference rooms where confidential customer and company discussions happen, including technical surveillance countermeasures (TSCM) sweeps, recording-device policies, and controls for hosting visitors and guests. Build a workplace violence prevention and behavioral threat assessment program with People and Legal, and partner with Security Engineering and IT Engineering on insider risk so that physical and digital signals are reviewed together. - Policy, compliance, and customer trust: Own Sierra's Physical Security Policy and the physical controls behind our compliance programs. Represent physical security in customer security assessments and audits, and drive findings to closure. - Incident response and emergency preparedness: Own physical security incident response, investigations, and emergency plans for every office. Run drills and tabletop exercises, and set up monitoring and escalation through an in-house function or a GSOC partner. Issue safety advisories and coordinate with building security and local authorities when employees are at risk near our offices. - Events, executives, and travel: Plan security for all-hands meetings, customer events, and off-sites. Coordinate executive protection and travel risk management with trusted vendors, and own guard and security services contracts across our sites, including post orders, staffing, and performance. WHAT YOU'LL BRING - Experience: 8+ years in corporate physical security, global security, or security oper

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