IT Security Administrator / Security Engineer

At cloudatus, the Managed Services organization designs, implements, and operates modern cloud, hybrid, and on-premises environments, providing ongoing infrastructure, network, and security services for international customers.

• Hands-on experience in IT security operations or security administration.
• Strong understanding of security principles across identity, endpoints, networks, and cloud environments.
• Experience with vulnerability management and remediation processes.
• Practical knowledge of Microsoft Entra ID, MFA, Conditional Access, and identity security.
• Experience with Microsoft security technologies such as Microsoft Defender for Endpoint, Defender for Identity, Defender for Office 365, or Defender for Cloud.
• Understanding of security monitoring, log analysis, and incident investigation.
• Knowledge of common security hardening practices and security baselines.
• Understanding of Zero Trust and least privilege principles.
• Ability to independently investigate security issues, assess risk, and propose appropriate remediation.
• Ability to translate technical security findings into clear actions and recommendations.
• Good understanding of enterprise networking fundamentals.
• English at minimum B2 level.

Nice to have:

• Experience with SIEM solutions and security monitoring platforms.
• Experience with Microsoft Sentinel or similar SIEM/SOC technologies.
• Knowledge of Microsoft Intune and endpoint security policies.
• Knowledge of security frameworks such as ISO 27001, NIST CSF, or CIS Controls.
• Experience supporting security audits or compliance assessments.
• Experience working in an SLA-driven Managed Services environment.
• Familiarity with ITIL-based Incident, Change, and Problem Management.
• Security certifications such as Microsoft SC-200 / SC-300, Fortinet FCP, CompTIA Security+, CISSP, or equivalent.
• German language skills.

• Take technical ownership of operational security topics across managed customer environments.
• Identify security risks, vulnerabilities, and configuration weaknesses and drive remediation activities.
• Manage and continuously improve security configurations and policies across network, cloud, identity, and endpoint environments.
• Coordinate vulnerability management activities including assessment, prioritization, remediation tracking, and verification.
• Investigate security alerts and incidents and coordinate technical response and remediation activities.
• Maintain and improve security baselines and hardening standards.
• Manage and review security controls within Microsoft Entra ID, including Conditional Access, MFA, privileged access, and identity-related security policies.
• Work with endpoint and cloud security solutions such as Microsoft Defender and related Microsoft security technologies.
• Administer and review network security controls including firewalls, VPNs, IDS/IPS, web filtering, and segmentation.
• Work with technologies such as Fortinet, Zscaler, Microsoft Azure, Cisco, and Check Point.
• Lead implementation of Zero Trust, least privilege, and identity-driven security principles.
• Review security events, logs, and monitoring information and identify areas requiring investigation or improvement.
• Support security audits, assessments, and compliance activities from a technical perspective.
• Maintain security documentation, procedures, risk registers, and remediation plans.
• Provide security guidance to L1/L2 engineers and support escalation of security-related incidents.
• Cooperate directly with customers and third-party security providers where required.
• Proactively propose improvements to the security posture of managed environments.

By applying, candidates consent to the processing of their personal data for recruitment purposes as described by cloudatus sp. z o.o. and antal sp. z o.o. Candidate data rights and processing details are provided. Only candidates located in Poland are targeted, and the processing is subject to applicable privacy regulations.