DigiCert · 7 hours ago
Senior Backend Engineer - Security
Sunnyvale, CA
Full-time
Onsite
Senior Level
$150K/yr - $175K/yrDigiCert is a global leader in intelligent trust, helping organizations protect digital interactions. The Senior Backend Engineer - Security will build core security infrastructure for AI agents, focusing on a 'Zero Trust' architecture and ensuring secure, verifiable actions for autonomous workloads.
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Responsibilities
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
Qualification
Required
Deep experience building mission-critical distributed systems
Master of systems-level languages (like Go or Rust)
Built distributed high performance systems from ground up
Hands-on experience with SPIFFE/SPIRE, PKI, and mTLS
Understand certificate lifecycle management, OIDC, and OAuth2 at a protocol level
Expert-level knowledge of Kubernetes (K8s)
Worked extensively with Envoy Proxy, Service Meshes (Istio/Linkerd), and Open Policy Agent (OPA)
Experience deploying and securing production workloads on AWS, GCP, or Azure
Comfortable with Infrastructure as Code (Terraform)
Comfortable building CI/CD pipelines and observability stacks (Prometheus/Grafana) from scratch
Preferred
Prior experience or a strong interest in working with AI Agents (LangGraph, CrewAI, AutoGen)
Experience with LLM APIs (OpenAI, Anthropic)
Familiarity with the Model Context Protocol (MCP)
Benefits
Generous time off policies
Top shelf benefits
Education, wellness and lifestyle support
Company
DigiCert
DigiCert is a technology company focused on digital security.
Founded in 2003
1001-5000 employees
H1B Sponsorship
DigiCert has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (8)
2023 (13)
2022 (10)
2021 (13)
2020 (7)
Funding
Current Stage
Late StageTotal Funding
$9.3MKey Investors
Runway Growth CapitalCrosspoint Capital Partners
2025-10-09Debt Financing· $9.3M
2021-12-14Private Equity
2019-07-10Private Equity
Leadership Team
Amit Sinha
Chief Executive Officer
Jugnu Bhatia
Chief Financial Officer
Recent News
HealthCareIT News
2025-12-03
Company data provided by crunchbase