Cybersecurity Specialist

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Threod Systems is an Estonian defence technology company developing and manufacturing advanced unmanned aircraft systems, electro-optical systems, and aircraft launching systems for critical defence missions. Our battle-tested technologies are trusted in demanding operational environments around the world.

We are looking for a Cybersecurity Specialist to join our team and help safeguard Threod’s IT environment. In this role, you will play a key part in identifying and addressing security risks, strengthening our security posture, and supporting effective incident response.

Your role:

  • Monitor security logs, alerts, and events across servers, endpoints, networks, identity systems, and security tools, investigating suspicious activity and driving incidents to resolution.

  • Administer and secure Windows and Linux environments, ensuring patching, configurations, and security baselines are maintained.

  • Manage endpoint and identity security using Microsoft Entra ID, Intune, Defender, and related security tools.

  • Configure and maintain firewalls, network security rules, and access controls, supporting MFA, least privilege, device compliance, and other secure access principles.

  • Operate and tune Wazuh to improve log collection, monitoring coverage, detection quality, and alerting.

  • Identify and remediate security weaknesses and misconfigurations based on agreed priorities.

  • Maintain clear and up-to-date security documentation, including configurations, incidents, and processes.

  • Continuously improve security monitoring, detection rules, and security baselines, while supporting risk assessment and security priorities.

About you:

  • Strong understanding of security monitoring and incident response, with a structured approach to investigating alerts and identifying real risks.

  • Solid knowledge of Windows and Linux environments, endpoint security, patching, and security hardening.

  • Good understanding of network and access security, including firewalls, segmentation, MFA, least privilege, and device compliance.

  • Hands-on and solution-oriented mindset, with the ability to troubleshoot issues and follow them through to resolution.

  • Proactive approach to improving security tools, monitoring coverage, and detection capabilities.

  • Strong communication and collaboration skills, with sound judgement on when to act independently and when to escalate.

What we offer:

  • The opportunity to make a direct impact on the cybersecurity of critical defence technologies in a fast-growing Estonian defence industry company.

  • A day off during your birthday week and additional days off for other important life events.

  • Plenty of team and company events – winter and summer events, team activities, and various hobby groups.

  • Support for your health and well-being through a Stebby sports allowance or Confido health insurance.

  • Plenty of opportunities to learn and grow alongside our inspiring and talented team members.

Apply here: