Senior InfraSec SRE: Cloud Security & Platform Reliability

MongoDB Inc.; Boston (MA); Remote; USD 126,000 - 248,000; Full time

Benefits offered by this job

Equity

Employee stock purchase program

Flexible paid time off

20 weeks gender-neutral parental leave

Fertility and adoption assistance

401(k) plan

Mental health counseling

Transgender-inclusive health insurance

Health benefits offerings

Job summary

MongoDB is seeking an Infrastructure Security Engineer (SRE) to harden hosts and containerized workloads across multi-cloud environments using Linux security mechanisms and eBPF tooling. You will build automated CSPM, workload identity, and vulnerability management services, and implement security controls as code with Terraform and related tools.

You will lead security initiatives from threat modeling to production reliability, partnering with Azure, AWS, and GCP teams to protect MongoDB Atlas

Qualifications

• 5+ years in SRE, infrastructure engineering, or cloud security.
• Strong coding skills in Go, Python, C, C++, or Rust.
• Experience with Terraform, CloudFormation, or Ansible for IaC.
• Experience owning infrastructure in Linux, Kubernetes, and major cloud providers (AWS, GCP, Azure)

Responsibilities

• Harden hosts and containerized workloads using Linux security mechanisms (AppArmor, SELinux, seccomp, cgroups) 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 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 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

SRE

Kubernetes

Terraform

CloudFormation

Ansible

Linux

AWS

GCP

Azure

Tools

Cilium

Falco

Tetragon

Gatekeeper

Job description

MongoDB is seeking an Infrastructure Security Engineer (SRE) to harden hosts and containerized workloads across multi-cloud environments using Linux security mechanisms and eBPF tooling. You will build automated CSPM, workload identity, and vulnerability management services, and implement security controls as code with Terraform and related tools.

You will lead security initiatives from threat modeling to production reliability, partnering with Azure, AWS, and GCP teams to protect MongoDB Atlas