Senior InfraSec SRE: Cloud Security, Remote

MongoDB Inc.; Oregon; Hybrid; USD 126,000 - 248,000; Full time

Benefits offered by this job

Equity

Employee stock purchase program

Flexible paid time off

Parental leave

Fertility assistance

401(k) plan

Mental health support

Trans-inclusive health insurance

Job summary

MongoDB Inc. is seeking a senior Infrastructure Security Engineer to join the InfraSec team within SRE.

You will Harden Linux and container workloads, secure multi-cloud infrastructure with RBAC and network policies, and build automated CSPM and identity controls across AWS, Azure, and GCP. Responsibilities include writing production-grade code with IaC, implementing real-time security monitoring, and leading security initiatives from threat modeling to reliable production rollout.

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, 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 (Golang)

Python

C

C++

Rust

Kubernetes

Tools

Terraform

CloudFormation

Ansible

eBPF

Job description

MongoDB Inc. is seeking a senior Infrastructure Security Engineer to join the InfraSec team within SRE.

You will Harden Linux and container workloads, secure multi-cloud infrastructure with RBAC and network policies, and build automated CSPM and identity controls across AWS, Azure, and GCP. Responsibilities include writing production-grade code with IaC, implementing real-time security monitoring, and leading security initiatives from threat modeling to reliable production rollout.