Senior InfraSec SRE — Multi-Cloud Security & Reliability

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

Job summary

MongoDB is seeking an Infrastructure Security engineer to bolster the security of MongoDB Atlas across AWS, Azure, and GCP. You will join the InfraSec team within SRE to build resilient security controls and scalable safeguards for a multi-cloud database platform.

You'll write production-grade code, apply IaC with Terraform, and drive threat modeling from design to production. This role supports hybrid work and offers growth in a fast-moving cloud-native environment.

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 and eBPF-based tooling.
• Secure containerized infrastructure across multi-cloud environments via RBAC, network policies, admission controls, and runtime threat detection.
• Build and manage automated services for 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

Python

C

C++

Rust

Terraform

CloudFormation

Ansible

Linux

Kubernetes

Multi-cloud (AWS/GCP/Azure)

Tools

Terraform

CloudFormation

Ansible

Cilium

Falco

Tetragon

Job description

MongoDB is seeking an Infrastructure Security engineer to bolster the security of MongoDB Atlas across AWS, Azure, and GCP. You will join the InfraSec team within SRE to build resilient security controls and scalable safeguards for a multi-cloud database platform.

You'll write production-grade code, apply IaC with Terraform, and drive threat modeling from design to production. This role supports hybrid work and offers growth in a fast-moving cloud-native environment.