Data Engineer

Who We Are
DefSecIntel Solutions is freedom defenders' partner in surveillance and control.

Estonian TOP1 Innovator DefSecIntel Solutions' combat-proven mobile autonomous surveillance systems and C-UAS with AI-powered technology are redefining the landscape of border security and defence.

Our technologies play a vital role in combating cross-border smuggling, illegal border crossings and countering hostile drones. Notably, our systems are deployed in Ukraine, supporting the UAAF in its fight against russian aggression.

We work closely with global prime contractors and actively participate in international defence, border security, and force protection programs. DSI is a recognized partner of international organizations such as the EU and NATO, contributing to security and defence R&D programs, including the European Defence Fund.

With over 100 employees and operations headquartered in Tallinn, Estonia, DSI operates on a global scale.

Our Excellence Has Been Recognized With Numerous Awards, Including

• TOP1 Innovator 2024
• TOP1 DefenceTech Company
• TOP2 Most Competitive Estonian Energy and Manufacturing Company
• TOP3 Exporter
• The Best Estonian Defence Company 2023

Join us in shaping the future of defence technology and making a more secured world.

We are looking for a Data Engineer, who will help to build secure, easy-to-use data platform that helps our AI team find, ingest, and version data in hours—not weeks.

What You Will Be Doing

• Develop robust batch and real-time data pipelines using CDC, ETL/ELT, and stream-first architectures to ensure efficient and scalable data processing
• Take ownership of the data lake layout, including cataloging and managing lineage metadata using tools like Databricks and similar technologies
• Automate data infrastructure using Terraform and Helm and implement CI/CD workflows for seamless deployment and maintenance of data pipelines
• Establish and maintain data-quality validation processes, observability frameworks, and cost monitoring mechanisms to ensure reliable and efficient operations

What We Are Looking For

• Proficiency in Python and strong expertise in SQL
• Experience with Apache Kafka, including event-driven design, topic partitioning, and stream processing fundamentals
• Hands-on experience with storage services such as Amazon S3, Google Cloud Storage (GCS), or Azure Blob Storage
• Basic knowledge of Kubernetes and containerized environments

Nice-to-haves

• Solid knowledge of Apache Airflow
• Experience with event-driven design patterns and architectures
• Understanding of GDPR and anonymization techniques for sensitive data handling

What We Offer

• Support our mission to create a safer and more secure world
• Opportunity to work alongside talented individuals and participate in the creation and development of innovative solutions and technologies
• Annual €1000 budget for training, conferences, and development opportunities to advance your skills
• €1000 referral bonus for helping us grow our team
• Stebby sports allowance of 150€ per quarter
• Mental health support and consulting via the Meliva platform
• Three health days per year to focus on personal care
• Free parking for employees
• Social activities and team event

DefSecIntel is founded by the team, who has a long security and defense background. Our team members have been at the forefront of providing state-of-the-art security and surveillance solutions to customers in more than 25 countries worldwide. Our office and factory spaces are located in the capital of Estonia—Tallinn, Ukraine, and Germany. With a dedicated team of more than 80 employees, we are driven by a singular mission: to create a more secure world by developing AI-powered defense systems. We develop, manufacture, and integrate mobile autonomous and automated surveillance systems and C-UAS with AI-assisted technology.

Our solutions are playing an important role in defense and homeland security in a rapidly changing security environment by ensuring cost efficiency for customers and offering new capabilities.