System, Cloud & IT Security Administrator

System, Cloud & IT Security Administrator Apply now Apply now Cybersecurity Full time IT Infrastructure Paris About Naaia

Naaia provides an AI risk and compliance management platform that enables large enterprises to innovate with confidence. By transforming complex compliance and security requirements into strategic performance drivers, we help AI, IT and Cyber teams, as well as Compliance, Risk and Legal teams, deploy reliable, robust and secure AI systems at scale.

What we are looking for

We are looking for a Systems, Cloud & IT Security Administrator to strengthen the operations, security, and documentation of our internal and external environments (SaaS).

This role is part of a highly demanding environment in terms of cybersecurity, compliance, traceability, and quality, aligned with ISO 27001 and ISO 42001 frameworks, as part of AFNOR certifications already obtained.

This is not an isolated role covering the entire scope alone: the successful candidate will join an existing infrastructure team of two people, including the CTO, and will also work closely with the quality team, composed of two members.

The successful candidate will be involved in the following:

• Administration and monitoring of system environments, internal services, VPNs, employee workstations, and cloud services
• Management of logical access, identities, authentication, user permissions, and security policies
• Administration of Microsoft 365 environments
• Management and monitoring of the employee device fleet (currently ~25 devices): Windows, macOS, iOS, and Android
• Oversight of operational security: monitoring, logging, vulnerability management, hardening, patching, backups, and alerts
• Operation and monitoring of externally hosted environments
• Administration and follow-up of self-hosted services
• Monitoring of security, compliance, governance, and observability tools
• Contribution to incident management, IT risk management, security action plans, and audits
• Contribution to quality, security, and compliance documentation
• Continuous improvement of operations, security, and traceability practices. Ideal

We are looking for a hands-on, rigorous, and autonomous profile, with strong experience in systems administration, cloud environments, end-user devices, and IT security (at least 3 years of verifiable experience).

• Professional proficiency in English is required, as most documentation is in English and some interactions involve international cybersecurity teams
• Strong proficiency in Ubuntu LTS environments
• Solid networking fundamentals applied to systems, cloud, and end-user environments: TCP/IP, DNS, VPN, network configuration, connectivity troubleshooting
• Experience with IAM, SSO, MFA, access management, and security policies
• Knowledge of Microsoft 365 environments
• Familiarity with Microsoft Defender and Intune for endpoint security, compliance, and device management
• Experience or good understanding of managing an end-user device fleet (~25 devices): Windows, macOS, iOS, and Android
• Experience with monitoring, logging, backups, and incident management
• Hands-on experience with cloud and/or external hosting environments
• Experience or ability to manage self-hosted services
• Strong cybersecurity culture: hardening, vulnerability management, audits, compliance
• Ability to clearly document technical procedures and associated evidence
• Interest in structured, quality-driven, and compliance-oriented environments. Work Environment

Naaia operates a B2B SaaS platform in a context strongly focused on AI governance, regulatory compliance, cybersecurity, and quality.

involves close collaboration with technical, product, quality, and cybersecurity teams, as well as direct contribution to maintaining security, documentation, and compliance standards.

Tools & Technologies Microsoft 365 / Endpoint Security: Exchange, SharePoint, OneDrive, Purview, Copilot, Intune, Microsoft Defender Compliance / Quality / Security: Vanta, Aikido, Wazuh, Asana Cloud / Hosting: AWS, Azure, Scaleway Main self-hosted services: n8n, GitLab, SonarQube, Headscale Key external tools: Oh Dear, Mailtrap, Laravel Forge, Laravel Envoyer, Laravel NightWatch Expected Qualities Autonomy; Strong documentation discipline, with the ability to read, write, and communicate effectively in

English in a technical and cybersecurity context; Strong security mindset; Analytical skills; Operational reliability; Ability to work in a structured and auditable environment; Ability to collaborate with an existing infrastructure team and the quality team.

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