Security Software Engineer, Infrastructure Security (Staff Or Senior)
We are hiring an experienced Security Software Engineer (Staff or Senior) for our Infrastructure Security team to design and build scalable security controls and services within MongoDB Atlas multi-cloud infrastructure. The team sits within the Site Reliability Engineering organization and works with other engineering
What this role actually needs.
We are hiring an experienced Security Software Engineer (Staff or Senior) for our Infrastructure Security team to design and build scalable security controls and services within MongoDB Atlas multi-cloud infrastructure. The team sits within the Site Reliability Engineering organization and works with other engineering Responsibilities: - Design and build core security primitives and services that protect MongoDB Atlas compute, networking, and identity across AWS, Azure, and GCP - Build secure-by-default infrastructure using Linux security mechanisms (AppArmor, SELinux, seccomp, cgroups), Kubernetes, and eBPF to enforce runtime policies and gain deep visibility into systems behaviour - Develop APIs, automation, and tooling that manage security posture at scale (CSPM, vulnerability management, workload identity) and provide monitoring, logging, and alerting pipelines that integrate with our tooling (Grafana, Splunk, Victoria Metrics.) - Integrate security into our CI/CD and infrastructure-as-code workflows (Terraform) so that security controls are versioned, reviewed, and deployed just like any other code - Lead complex projects end‑to‑end, from problem discovery and design docs to implementation, rollout, and long‑term ownership - Collaborate with SRE, platform and product engineering teams to define secure architectures for new infrastructure and services Requirements: - 5+ years of experience in Software Engineering, Site Reliability Engineering, or similar roles, preferably with relevant security work - Proficiency with at least one programming language (Java, Golang, Rust, Python, or C/C++) and experience with infrastructure-as-code tools (Terraform) to automate security configurations and processes - A deep understanding of Linux and networking concepts, including low-level fundamentals, and how they work together in complex systems - Experience building security-related features or platforms such as runtime monitoring, CSPM, or vulnerability management - Experience with a cloud provider (AWS, GCP, or Azure) and their security best practices and building blocks - Hands-on experience with Kubernetes and its security ecosystem (e.g. RBAC, OPA/Gatekeeper, Kyverno, eBPF, Falco, Tetragon) Company context: MongoDB is the public document database company powering modern applications across cloud, on-prem, and edge.
Day-to-day expectations
Mongodb lists these responsibilities for the Security Software Engineer, Infrastructure Security (Staff Or Senior) role.
- Design and build core security primitives and services that protect MongoDB Atlas compute, networking, and identity across AWS, Azure, and GCP
- Build secure-by-default infrastructure using Linux security mechanisms (AppArmor, SELinux, seccomp, cgroups), Kubernetes, and eBPF to enforce runtime policies and gain deep visibility into systems behaviour
- Develop APIs, automation, and tooling that manage security posture at scale (CSPM, vulnerability management, workload identity) and provide monitoring, logging, and alerting pipelines that integrate with our tooling (Grafana, Splunk, Victoria Metrics.)
- Integrate security into our CI/CD and infrastructure-as-code workflows (Terraform) so that security controls are versioned, reviewed, and deployed just like any other code
- Lead complex projects end‑to‑end, from problem discovery and design docs to implementation, rollout, and long‑term ownership
- Collaborate with SRE, platform and product engineering teams to define secure architectures for new infrastructure and services
What a strong candidate brings
These requirements are extracted from the source listing and normalized for UpJobz readers.
- 5+ years of experience in Software Engineering, Site Reliability Engineering, or similar roles, preferably with relevant security work
- Proficiency with at least one programming language (Java, Golang, Rust, Python, or C/C++) and experience with infrastructure-as-code tools (Terraform) to automate security configurations and processes
- A deep understanding of Linux and networking concepts, including low-level fundamentals, and how they work together in complex systems
- Experience building security-related features or platforms such as runtime monitoring, CSPM, or vulnerability management
- Experience with a cloud provider (AWS, GCP, or Azure) and their security best practices and building blocks
- Hands-on experience with Kubernetes and its security ecosystem (e.g. RBAC, OPA/Gatekeeper, Kyverno, eBPF, Falco, Tetragon)
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Source: mongodb.com · Source ID: 7727896 · Confidence: 90/100 · Last checked: May 7, 2026
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