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Overview
Senior

Senior Backend Engineer - Security

Confirmed live in the last 24 hours

DigiCert

DigiCert

Compensation

$150,000 - $175,000/year

Sunnyvale, CA
On-site
Posted April 8, 2026

Job Description

Who we are

DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at www.digicert.com

 

Job summary

We are building the trust layer for the agentic future. As AI agents move from simple chatbots to autonomous workloads with access to sensitive enterprise data, the industry lacks a standard for Identity, Authentication, and Governance. You will build the core security infrastructure that defines how agents are identified and controlled. Our mission is to build a "Zero Trust" architecture for AI—ensuring that every action an agent takes is cryptographically verifiable, authorized, and safe. You will be instrumental in setting our technical culture, selecting our stack, and scaling a platform that will secure the next generation of enterprise AI.

 

 

 

What you will do

  • As part of the engineering team, you’ll work alongside industry-leading cryptographers, AI/ML innovators, cloud infrastructure experts, and security engineers who are defining the future of secure digital interactions.
  • Architect and build the Identity Foundation: Design and own a cryptographically secure identity system that serves as the "source of truth" for all AI workloads, ensuring every agent has a verifiable and tamper-proof digital passport.
  • Build Runtime Enforcement: Develop high-performance systems to control agentic interactions in real-time. You will ensure that agents operate strictly within their authorized boundaries without introducing latency.
  • Define Governance Logic: Create the engines that translate complex human policies into machine-executable rules, controlling how agents access tools, databases, and LLMs.
  • Design for Resilience and Scale: Build "secure-by-default" infrastructure that can handle thousands of concurrent autonomous agents across multi-cloud environments, ensuring the system remains tamper-proof.
  • Shape the Technical Culture: You will select our core stack, define our engineering standards, and help build the team.

 

What you will have

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