Security Software Engineer, Infrastructure Security (Staff or Senior)

MongoDB

📍 Ireland, Ireland, Ireland

Full-time Computer Occupations Posted March 01, 2026

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Job Description

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 teams to ensure that our infrastructure adheres to the highest security standards.

This role can be based out of our Dublin office or remotely in Ireland.

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 (CSP...

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Job Details

Location

Ireland, Ireland, Ireland

Job Type

Full-time