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Sierra

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Raised $950M Venture on May 4, 2026

Raised $950M Venture on May 4, 2026

At Sierra, we’re creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney.

San Francisco, United States

·

$950M Series A

·

AI

·

Onsite

·

501+

Marketing Manager, Events (Europe)

London · Posted on May 13, 2026

Office Manager, London (Contract)

London · Posted on May 11, 2026

Agent Experience Designer, Voice (Multilingual)

London · Posted on May 5, 2026

GTM Strategy & Operations

San Francisco, CA · Posted on May 4, 2026

Corporate Security Engineer, Lead

San Francisco, CA · Posted on May 1, 2026

Product Manager, Infrastructure

San Francisco, CA · Posted on May 1, 2026

Agent Engineer, TLM

New York, NY · Posted on Apr 30, 2026

Sales Director, Spain

Madrid · Posted on Apr 28, 2026

Forward Deployed Infrastructure Engineer

San Francisco, CA · Posted on Apr 21, 2026

Software Engineer, Agent (Cantonese Speaking)

Singapore · Posted on Apr 17, 2026

Software Engineer, Agent (Thai Speaking)

Singapore · Posted on Apr 17, 2026

Software Engineer, Agent (Korean Speaking)

Singapore · Posted on Apr 17, 2026

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