Cybersecurity Specialist

About the role

Threod Systems, an Estonian defence technology company developing unmanned aircraft systems, electro-optical systems and aircraft launching systems, is looking for a Cybersecurity Specialist to safeguard its IT environment. You will identify and address security risks, strengthen the security posture and support incident response.

Key responsibilities

• Monitor security logs, alerts and events across servers, endpoints, networks, identity systems and security tools, investigate suspicious activity and drive incidents to resolution.
• Administer and secure Windows and Linux environments, keeping patching, configurations and security baselines up to date.
• Manage endpoint and identity security with Microsoft Entra ID, Intune, Defender and related tools.
• Configure and maintain firewalls, network security rules and access controls, supporting MFA, least privilege, device compliance and secure access.
• Operate and tune Wazuh to improve log collection, monitoring coverage, detection quality and alerting.
• Identify and remediate security weaknesses and misconfigurations according to agreed priorities.
• Maintain up-to-date security documentation and continuously improve monitoring, detection rules and baselines, supporting risk assessment.

Required profile

• Strong understanding of security monitoring and incident response, with a structured approach to investigating alerts.
• Solid knowledge of Windows and Linux, endpoint security, patching and hardening.
• Good understanding of network and access security, including firewalls, segmentation, MFA, least privilege and device compliance.
• Hands-on, solution-oriented mindset, able to troubleshoot and follow issues through to resolution.
• Proactive approach to improving tools, monitoring and detection, with strong communication and collaboration skills.

What we offer

• A day off during your birthday week and extra days off for other important life events.
• Team and company events, winter and summer activities and hobby groups.
• Health and well-being support through a sports allowance or health insurance.
• Opportunities to learn and grow within a fast-growing defence industry company.