Staff Software Engineer - Security Agent

Title: Staff Software Engineer - Security Agent Location: Portugal, Remote

This role is part of Datadog’s Security Agent team, which powers critical security capabilities across Workload Protection, Vulnerability Management, Cloud Security products, and other emerging security offerings. As a Staff Software Engineer, you will lead the design and development of low-level Linux instrumentation and runtime security technologies that help customers detect threats, monitor system activity, and protect cloud-native workloads at scale. You will work on complex technical challenges involving eBPF, Linux kernel internals, performance-sensitive systems, and large-scale data collection while influencing technical direction across multiple product teams. This role offers significant ownership, broad organizational impact, and the opportunity to shape the future of Datadog’s security platform.

At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them.

What You’ll Do:

• Lead the architecture and development of security agent capabilities that power runtime threat detection and workload protection across Datadog Security products.
• Design and build reusable eBPF-based monitoring functionality for process, file, and network visibility within Linux environments.
• Drive end-to-end delivery of new features, from technical strategy and design through implementation, testing, and rollout.
• Establish and evolve testing methodologies that improve platform coverage, detection quality, reliability, and performance.
• Partner with product, security, infrastructure, and engineering teams to deliver shared platform capabilities used across multiple Datadog products.
• Provide technical leadership by influencing engineering direction, mentoring peers, and helping resolve complex cross-functional challenges.

Who You Are:

• You have significant experience building software in Linux environments, including knowledge of Linux internals, kernel APIs, or systems programming.
• You have hands-on experience with eBPF, kernel-level instrumentation, driver development, networking systems, agent development, or related low-level technologies.
• You've built and run systems where performance and reliability actually matter.
• You have experience building and maintaining production software across diverse Linux distributions and kernel versions.
• You are product-minded and customer-focused, balancing technical excellence with customer impact and usability.