Senior Infrastructure Security Engineer (remote from EU) – International mission

Senior Infrastructure Security Engineer (remote) – International mission Requirements Profile: Engineer. Location: Remote. Based in Spain preferably, but also open to workers based within the EU. Rate: 300-318€/day. PVP Knowledge: Cybersecurity. Minimum studies: Certified Engineer. Languages: English (MANDATORY) . Minimum experience: 6 to 10 years. Description: We are looking for a Senior Infrastructure Security Engineer with 5–10 years of experience in enterprise or multinational environments to strengthen and maintain the security of complex IT infrastructure across hybrid environments. The successful candidate will have strong hands-on expertise in infrastructure protection, Windows and Linux security, Active Directory, virtualization, endpoint security and Microsoft security solutions. The role requires an autonomous, proactive professional capable of assessing security risks, supporting remediation initiatives and collaborating with infrastructure, IT operations and cybersecurity teams to ensure compliance with security standards and best practices. Key Responsibilities: Implement and maintain security controls across enterprise infrastructure, including workstations, servers, storage platforms and mobile devices. Assess and strengthen the security of Windows and Linux environments, Active Directory, virtualization platforms, VDI and file services. Review infrastructure change requests, identify potential security risks and provide recommendations to ensure secure implem