Senior Security Engineer

CUJO AI® is a leader in artificial intelligence solutions for network service providers. We use machine learning and real-world data to develop cybersecurity, device intelligence, and parental control solutions that make internet connections safer for millions of homes.

About the Role

We are looking for a Senior Security Engineer to join our team in Finland.

The core focus of this role is to help identify gaps in the CUJO AI Security Platform and provide a path to remediation through research, investigation, and proof of concept (POC) development.

In This Role, You Will:

• Identify gaps in the CUJO AI Security Platform and drive remediation through research, investigation, and proof-of-concept development.
• Design and build rapid prototypes, honeypots, and research infrastructure to analyze emerging threats and attack campaigns.
• Develop situational intelligence briefs, attack analysis tools, and detection rules in collaboration with machine learning and security teams.
• Enhance security testing strategies and contribute research content to public venues.
• Monitor threats and attack patterns using SIEM tools, supporting continuous improvement of the platform’s detection and response capabilities.

What We’re Looking For:

• Proficiency in one or more scripting languages.
• Experience in developing research infrastructure and tools in Python.
• Low-level understanding of security principles, theories and attacks.
• Ability to work autonomously in a less structured start-up type environment.
• Ability to efficiently collaborate with cross-functional teams.
• Strong team player with a can-do attitude and a drive to take ownership and initiative.
• Security Operations (SOC) and hands on experience with Incident Response (IR) is a plus.

What Will Make You Stand Out:

• Bachelors/Masters/PhD in Computer Science/Engineering/Security with the Tactics, Techniques, and Procedures (TTPs) of malicious actors.
• 10+ years expertise in real attack scenarios including phishing and spam campaigns, vulnerability exploitation, and botnets.
• Ability to research, author, and present technical security concepts.

Why Join CUJO AI?

• Flexible Work – Hybrid or fully remote options based on your location
• Team Gatherings – Annual company events and team activities
• Career Growth – Training bonuses for AWS certifications and other learning opportunities
• Performance Bonuses – Company-wide annual bonus program
• Referral Rewards – Earn up to €1,000 for referring new hires

At CUJO AI, we value innovation, collaboration, and continuous improvement. Join us and work on technology that makes the internet safer!

📅 Apply by June 30, 2025 – but don’t wait! We’ll hire as soon as we find the right person.

📩 Apply via our recruitment portal. Questions? Email us at [email protected].