About this role
About the Role
Eviden/Atos is seeking an experienced Systems Cybersecurity Expert to join defense-focused project teams. You will work with system architects and project managers to design, configure, and secure Linux and Windows environments across the lifecycle, from conception to client delivery, ensuring high security, configuration control, availability, and compliance. What You'll Do
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Administer, configure, and harden Linux (compute servers, sensors) and Windows (operator workstations, admin servers).
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Implement system configurations in line with project requirements, exploitation constraints, and security rules.
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Define and implement reference configurations.
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Apply processes, standards, and configuration management rules.
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Analyze threats, vulnerabilities, and risks for Linux and Windows environments.
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Perform compliance analyses against ANSSI and CIS Benchmarks or other applicable references.
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Manage accounts, privileges, services, logs, authentication mechanisms, and security settings.
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Implement or adapt configurations related to monitoring, logging, backups, and traceability.
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Participate in cybersecurity configuration reviews and hardening controls.
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Maintain systems in secure states throughout development and operation.
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Document and capitalise knowledge related to configurations and security practices. What We're Looking For
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Proven experience as a Systems Cybersecurity Expert, collaborating with system architects and project managers.
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Strong administration experience in Linux and Windows environments.
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In-depth knowledge of system security hardening, configuration management, and secure baselines.
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Familiarity with threat/vulnerability analysis and risk assessment.
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Experience with ANSSI and CIS Benchmarks compliance.
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Ability to manage identities, access rights, logs, and security configurations; capable of implementing monitoring, logging, backups, and traceability.
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Good communication skills and ability to work in defense sector projects. Compensation & Benefits
Salary and benefits are not disclosed in the posting.