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InfraSec operates on a preventative, enabling model: rather than acting as a manual approval gatekeeper or compliance auditor, we develop automated guardrails and platform capabilities. We integrate security directly into the platform runtime, CI/CD, and Infrastructure-as-Code (IaC) workflows so engineering teams can operate securely at scale without friction. This role can be based out of our office or remotely in the United States. What You’ll Do • 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 What We’re Looking For Minimum Qualifications: • 10+ years in SRE, Infrastructure Engineering, or Cloud Security Engineering • A track record of operating at Staff or Principal scope: defining technical direction, resolving cross-team ambiguity, and personally championing initiatives from conception to delivery • 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) Preferred Qualifications: • Practical experience with eBPF-based security tooling (Cilium, Falco, Tetragon) • Direct ownership of Cloud Security and Workload Identity platforms • Multi-cloud expertise spanning AWS, Azure, and GCP • Production exposure to low-level Linux security mechanisms (seccomp, AppArmor, SELinux, cgroups) About MongoDB MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave p

Staff Site Reliability Engineer, Infrastructure Security

Don't apply unprepared

Staff Site Reliability Engineer, Infrastructure Security

Don't apply unprepared