Staff Site Reliability Engineer, Infrastructure Security
MongoDB · New York
About this role
**Staff Site Reliability Engineer — Infrastructure Security** *InfraSec operates on a preventative, enabling model:* instead of acting as a manual approval gatekeeper or compliance auditor, we build automated guardrails and platform capabilities. We integrate security directly into the platform runtime, CI/CD, and Infrastructure-as-Code (IaC) workflows so engineering teams can operate securely at scale—without friction. **Location** - Office-based or **remote within the United States** ## What You’ll Do - Harden hosts and containerized workloads using Linux security mechanisms (**AppArmor, SELinux, seccomp, cgroups**) and **eBPF-based tooling** (**Cilium, Tetragon**) - Secure containerized infrastructure across **multi-cloud** environments via **RBAC**, **network policies**, **admission controls** (Gatekeeper), and **runtime threat detection** - Build and manage automated services for **Cloud Security Posture Management (CSPM)**, **workload identity**, **vulnerability management**, and **access controls** across **AWS, Azure, and GCP** - Write production-quality code and use **Infrastructure-as-Code (Terraform)** to version, test, and deploy security controls as code - Build real-time **security monitoring, logging, and alerting** to detect anomalies and track security posture at **Atlas scale** - Lead initiatives end-to-end: from **threat modeling** and **architectural design** through implementation, rollout, and long-term production reliability ## What We’re Looking For ### Minimum Qualifications - **10+ years** in SRE, Infrastructure Engineering, or Cloud Security Engineering - Experience operating at **Staff/Principal scope**: setting technical direction, resolving cross-team ambiguity, and championing initiatives from conception to delivery - Strong coding skills in **Go (Golang), Python, C, C++, or Rust** - Proven track record building and operating **large-scale distributed systems** or cloud platform infrastructure - Hands-on experience with **Terraform, CloudFormation, or Ansible** for automated infrastructure provisioning - Demonstrated experience owning infrastructure in **Linux, Kubernetes**, and at least one major cloud provider (**AWS, GCP, or Azure**) ### Preferred Qualifications - Practical experience with **eBPF-based security tooling** (**Cilium, Falco, Tetragon**) - Direct ownership of **Cloud Security** and **Workload Identity** platforms - Multi-cloud expertise across **AWS, Azure, and GCP** - Production exposure to low-level Linux security mechanisms (**seccomp, AppArmor, SELinux, cgroups**) ## About MongoDB MongoDB is built for change—empowering customers and teams to innovate at the speed of the market. MongoDB’s unified, globally distributed database platform helps organizations modernize legacy workloads, embrace innovation, and unleash AI. MongoDB Atlas is a cloud-native, globally distributed, multi-cloud database platform.
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