Senior InfraSec SRE Engineer - Multi-Cloud Security

MongoDB Inc.; Chicago (IL); Hybrid; USD 126,000 - 248,000; Full time

Benefits offered by this job

Equity

Employee stock purchase program

Flexible paid time off

Parental leave

Job summary

MongoDB is seeking an Infrastructure Security Engineer within the InfraSec/SRE team to harden Linux hosts and container workloads across AWS, Azure, and GCP. You will implement security primitives, RBAC, and runtime threat detection while driving secure design patterns and IaC practices.

You will write production-grade code, build CSPM and monitoring pipelines with Terraform, and lead security initiatives across the full lifecycle to ensure Atlas-scale reliability and security.

Qualifications

• 5+ years in SRE, Infrastructure Engineering, or Cloud Security Engineering.
• Strong coding skills in Go (Golang), Python, C, C++, or Rust.
• Proven track record of building and operating large-scale distributed systems or cloud platform infrastructure.
• Hands-on experience using 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)

Responsibilities

• 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 leverage Infrastructure-as-Code (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 at Atlas scale
• Lead initiatives across their full lifecycle; from threat modeling and architectural design to implementation, rollout, and long-term production reliability

Skills

Go/Golang

Python

C

C++

Rust

Tools

Terraform

CloudFormation

Ansible

Cilium

Falco

Tetragon

Job description

MongoDB is seeking an Infrastructure Security Engineer within the InfraSec/SRE team to harden Linux hosts and container workloads across AWS, Azure, and GCP. You will implement security primitives, RBAC, and runtime threat detection while driving secure design patterns and IaC practices.

You will write production-grade code, build CSPM and monitoring pipelines with Terraform, and lead security initiatives across the full lifecycle to ensure Atlas-scale reliability and security.