Staff Software Engineer - Security Agent

Datadog; Ireland; On-site; EUR 80,000 - 110,000; Full time

Benefits offered by this job

New hire stock equity (RSUs)

Employee stock purchase plan (ESPP)

Continuous professional development

Inclusive company culture

Job summary

Datadog is seeking a Staff Software Engineer in Ireland to join their Security Agent team. In this role, you will lead the architecture and development of security capabilities that enhance runtime threat detection and workload protection across Datadog's products. With significant ownership and influence on multiple product teams, you will tackle complex challenges in Linux environments, focusing on eBPF and performance-sensitive technologies.

This position offers an inclusive company culture, competitive benefits, and opportunities for professional growth, including stock options and mentoring programs.

Qualifications

• Significant experience building software in Linux environments.
• Hands-on experience with eBPF and kernel-level instrumentation.
• Experience building and maintaining production software across diverse Linux distributions.

Responsibilities

• Lead the architecture and development of security agent capabilities.
• Design and build reusable eBPF-based monitoring functionality.
• Drive end-to-end delivery of new features and establish testing methodologies.

Skills

Linux internals

eBPF

systems programming

performance-sensitive systems

networking systems

Job description

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.

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.
• You have demonstrated technical leadership, influencing architecture and execution across teams while communicating effectively with both technical and non‑technical stakeholders.

Benefits and Growth:

• New hire stock equity (RSUs) and employee stock purchase plan (ESPP)
• Continuous professional development, product training, and career pathing
• Intradepartmental mentor and buddy program for in‑house networking
• An inclusive company culture, ability to join our Community Guilds (Datadog employee resource groups)
• Competitive global benefits
• Giving programs

Equal Opportunity at Datadog:

Datadog is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and other characteristics protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. Here are our Candidate Legal Notices for your reference.