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Site Reliability Engineer, InfraSec (Security Infrastructure)

MongoDB· Infrastructure Security (InfraSec) / SRE
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Hybrid (NYC / remote (EST/ CST))$126k - $248kFull-timePosted 1w ago

About the role

Security infrastructure engineering role within MongoDB’s Infrastructure Security (InfraSec) team in SRE, focused on building automated guardrails and platform capabilities to protect MongoDB Atlas across AWS, Azure, and GCP. Hybrid/remote with NYC office option.

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

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)

Skills

Required:Go (Golang)PythonTerraformKubernetes
Nice to have:C/C++/RustLinux securityeBPF tools

Benefits

  • equity
  • participation in the employee stock purchase program
  • flexible paid time off
  • 20 weeks fully-paid gender-neutral parental leave
  • fertility and adoption assistance
  • 401(k) plan
  • mental health counseling
  • access to transgender-inclusive health insurance coverage
  • health benefits offerings
Last updated Oct 15, 2026. Interested? Apply on the company site.
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