Staff SRE: Cloud Security & Platform Reliability

MongoDB Inc.; Dublin; On-site; EUR 150,000 - 190,000; Full time

Job summary

MongoDB is seeking a Staff Site Reliability Engineer for its InfraSec team. The role focuses on hardening infrastructure, securing containerized workloads, and leading security initiatives from design through production reliability.

You will implement safeguards across runtime, CI/CD, and IaC workflows, building real-time monitoring and automated controls to protect critical platforms in multi-cloud environments.

Qualifications

• 10+ years in SRE, Infrastructure Engineering, or Cloud Security Engineering.
• Track record of operating at Staff or Principal scope: defining technical direction, resolving cross-team ambiguity, and championing initiatives end-to-end.
• Strong coding skills in Go (Golang), Python, C, C++, or Rust.
• Proven experience building/operating large-scale distributed systems or cloud platform infrastructure.
• Hands-on experience using Terraform, CloudFormation, or Ansible for automated provisioning.
• Experience owning infrastructure in Linux, Kubernetes, and at least one major cloud provider (AWS, GCP, or Azure).

Responsibilities

• Harden hosts and containerized workloads using Linux security mechanisms and eBPF-based tooling.
• Secure containerized infrastructure across multi-cloud environments with RBAC, network policies, and admission controls.
• Build and manage automated CSPM, workload identity, vulnerability management, and access controls 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 to detect anomalies.
• Lead initiatives from threat modeling and design to rollout and production reliability.

Skills

Go (Golang)

Python

C

C++

Rust

Distributed systems

Kubernetes

Security

Tools

Terraform

CloudFormation

Ansible

Job description

MongoDB is seeking a Staff Site Reliability Engineer for its InfraSec team. The role focuses on hardening infrastructure, securing containerized workloads, and leading security initiatives from design through production reliability.

You will implement safeguards across runtime, CI/CD, and IaC workflows, building real-time monitoring and automated controls to protect critical platforms in multi-cloud environments.