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Senior Security Engineer - Cloud SIEM

Datadog Lisbon, Portugal Full-time Security Posted Jun 11, 2026
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What it’s like to work at Datadog

Cloud Monitoring & Observability · New York

4.2
Employee Rating
3.8
Work-Life Balance
399
Open Roles
eng-drivenship-fastlearningproduct-impactequity

What employees love

  • Excellent compensation and equity — stock has been a genuine wealth builder for early employees
  • Strong engineering culture with smart coworkers and interesting technical challenges at scale

What could be better

  • Fast pace can lead to long hours and pressure to deliver, work-life balance varies by team
  • Rapid growth has led to organizational growing pains and bureaucracy creeping in
View full Datadog culture profile →

About the Role

As a Senior Security Engineer focused on Datadog’s Cloud SIEM product, you will help shape the future of security operations by transforming real-world security expertise into scalable detection, investigation, and response capabilities. You will develop high-impact threat detection content, improve AI-assisted security workflows, and help defenders identify and respond to threats across cloud-native and enterprise environments. Working closely with Product, Engineering, and Security Research teams, you will influence the evolution of Datadog Security products while advancing detection coverage across emerging technologies and attack surfaces. This role offers the opportunity to contribute to open source initiatives, publish security research, and help define the next generation of agentic security operations capabilities.

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:

Who You Are:

Datadog values people from all walks of life. We know not everyone will meet all the above qualifications on day one. That’s okay. If you’re passionate about technology and want to grow your experience, we encourage you to apply.

Benefits and Growth:

Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog.

#LI-Hybrid


About Datadog:

Datadog is the leading observability and security platform for the AI era, providing businesses with unified visibility across the technology stack to manage complexity at scale. It brings applications, infrastructure, data, models, and security into one place, using AI to detect and resolve issues before they impact customers. Trusted globally by Fortune 500 companies and high-growth AI leaders, Datadog enables businesses to move faster with clarity and confidence. Learn more about #DatadogLife on Instagram, LinkedIn, and Datadog Learning Center.


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.

Datadog endeavors to make our Careers Page accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please complete this form. This form is for accommodation requests only and cannot be used to inquire about the status of applications.

Privacy and AI Guidelines:

Any information you submit to Datadog as part of your application will be processed in accordance with Datadog’s Applicant and Candidate Privacy Notice. For information on our AI policy, please visit Interviewing at Datadog AI Guidelines.

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Frequently Asked Questions

What is the work-life balance like at Datadog?
Datadog has a work-life balance score of 3.8/5 based on employee reviews. This is about average for the AI/tech industry.
What is Datadog’s culture like?
Datadog is characterized by these culture values: eng-driven, ship-fast, learning, product-impact, equity. Based on employee reviews, the company has an overall rating of 4.2/5. Excellent compensation and equity — stock has been a genuine wealth builder for early employees
How many open roles does Datadog have?
Datadog currently has 399 open roles across departments including engineering, product, sales, and more. Roles are refreshed daily from their careers page.
Is this role remote-friendly?
This role is located in Lisbon, Portugal. Check the job description above for specific location and remote work details.
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