We're looking for a driven IT Security Engineer to join our kununu IT team in Porto. In this role you'll safeguard our Microsoft 365‐centric environment and Atlassian suite (Jira, Confluence), secure core networking gear (Fortigate firewalls & Juniper switches), and provide application‐security support for kununu.com. You'll be a key player in keeping our 400‐user SaaS organization safe and compliant. You design, implement, and maintain secure configurations for Microsoft 365, Atlassian, Fortigate firewalls, and Juniper switches. You help shape kununu's security framework, protecting the company and building external trust. You monitor security events, hunt threats, and lead incident response across the cloud stack. You perform vulnerability assessments, patch management, and penetration testing of SaaS infrastructure. You define and enforce IAM policies, MFA, conditional access, and secure collaboration workflows. You support application security for kununu.com through secure coding reviews, SAST/DAST tools, audits, and incident handling. You automate security processes with PowerShell, Python, or Terraform, and maintain drift detection. You collaborate with DevOps to embed security into CI/CD pipelines. You ensure compliance with GDPR, ISO 27001, and internal standards. Deep expertise in Microsoft 365 security (Intune, Defender for Endpoint, Azure AD Conditional Access) and Atlassian security best practices. Proven experience securing Fortigate firewalls and Juniper networking gear. Strong background in vulnerability management, SIEM, threat hunting, incident response, and compliance audits. Familiarity with secure coding, SAST/DAST tools and application‐level penetration testing. Comfortable scripting in PowerShell, Python or similar. Excellent communication, stakeholder engagement, and ability to translate security concepts into action. Fluent in English (Portuguese is a plus) Mobile devices also for private use Sabbatical and part-time options Trust‐based working hours Restaurant vouchers and employee discount Training courses and workshops Up to 12 weeks Workation The gross annual salary for this position ranges between€55,000 and €70,000, depending on qualifications and experience.#J-18808-Ljbffr