Staff Site Reliability Engineer, InfraSec

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Staff Site Reliability Engineer, InfraSec in Others new

MongoDB
Full time
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Others
11/06/2026
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Dublin, Ireland

Responsibilities

Harden Linux hosts and containerized workloads using AppArmor, SELinux, seccomp, cgroups, and eBPF-based tooling.
Secure multi-cloud container infrastructure through RBAC, network policies, admission controls, and runtime threat detection.
Build and manage automated CSPM, workload identity, vulnerability management, and access-control services across AWS, Azure, and GCP.
Write production-quality code and use Terraform to version, test, and deploy security controls as code.
Build real-time security monitoring, logging, and alerting systems to detect anomalies and track security posture.
Lead initiatives from threat modeling and architectural design through implementation, rollout, and long-term production reliability.

Requirements

10+ years of experience in SRE, infrastructure engineering, or cloud security engineering.
Experience operating at Staff or Principal scope, including defining technical direction, resolving cross-team ambiguity, and championing initiatives from conception to delivery.
Strong coding skills in Go, Python, C, C++, or Rust.
Experience building and operating large-scale distributed systems or cloud platform infrastructure.
Hands-on experience with Terraform, CloudFormation, or Ansible for automated infrastructure provisioning.
Experience owning infrastructure in Linux, Kubernetes, and at least one major cloud provider: AWS, GCP, or Azure.
Preferred experience with eBPF-based security tooling such as Cilium, Falco, or Tetragon.
Preferred ownership of Cloud Security and Workload Identity platforms, multi-cloud expertise, and production experience with seccomp, AppArmor, SELinux, or cgroups.

Benefits

Hybrid working model for candidates based in Dublin.
MongoDB offers employee affinity groups, fertility assistance, parental leave, and disability accommodations during the application and interview process.

MongoDB

MongoDB builds a powerful database platform designed for the AI era, allowing innovators to drive change across industries. Its technology empowers customers to innovate and adapt swiftly to market demands, enabling the creation and transformation of software solutions.

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