Interceptor UAV engineer

About the Position

Autonomy in Every Drone

The Fourth Law (Четвертий Закон) - a leading Ukrainian manufacturer of drone autonomy technologies. The company’s solutions are codified to NATO standards and are used by more than 50 units of the Defense Forces of Ukraine and 20+ drone manufacturers. Our products bear the names of Ukrainian figures of the Executed Renaissance and the Sixtiers - Vasyl Stus, Olena Teliha, Mykola Zerov and Anatolii Lupynos.

In 2026, the company received an award from DOU as the most promising project in the defense technology sector.

Role mission: to ensure high-quality preparation, execution and analysis of UAV field tests in order to improve the effectiveness of the company’s autonomous solutions. The role focuses on collecting and interpreting data, supporting the engineering team in identifying and resolving technical problems, and ensuring the reliability and combat readiness of The Fourth Law’s products in real-world conditions of use.

Responsibilities

• Assisting with field tests and collecting data to analyze UAV effectiveness.
• Collaborating with engineers to identify and resolve faults.
• Preparing reports with a detailed description of the tests conducted, results and conclusions.

Requirements

• Experience piloting UAVs or in a similar field.
• Knowledge of the technical aspects of UAVs, including flight control systems, sensors and communication systems.
• Knowledge of Betaflight, Ardu.
• Basic technical knowledge in related fields, such as electronics or mechanics.
• Analytical thinking and the ability to draw conclusions based on test results.

Why Join Us

• Work that makes a real impact. We create products that directly strengthen Ukraine’s defense capabilities.
• Work with top engineers in MilTech and autonomy.
• Official employment in Diia City.
• Voluntary health insurance after completing the probation period.
• Mandatory accident insurance for the duration of cooperation with the company from day 1.
• Possibility of reserving military-obligated employees in accordance with current legislation.
• Annual paid leave - 24 calendar days.
• Veterans are entitled to additional paid leave - 14 calendar days.
• Paid sick leave in accordance with the law.
• Possibility of reimbursement of training expenses in accordance with the company’s internal policies.

We are looking not for executors, but for like-minded people who share our values and are ready to build the future of Ukrainian MilTech.

Apply for the Job

Visit our website to apply for the Interceptor UAV engineer position.

The Fourth Law / TFL / Четвертий Закон

We work for those who protect us

Also visit our sister company Odd Systems. They produce thermal cameras and FPV drones