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Hybrid Security System Administrator presso Alice & Bob

Alice & Bob · Paris, Francia · Hybrid

Python

Kubernetes Container Platforms

Cloud

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Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems.
The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum error correction autonomously!
We are at the forefront of the quantum race, competing with tech giants such as Google or IBM, and we are growing fast after securing  €100 million of funding in 2025 to develop our unique technology.
Currently 100+ and counting, between physicists, PhD students, engineers and experienced business professionals, we are united to reach our ambitious goal. Are you a quantum pioneer? Join us on a mission to reshape the future!

About the role :

We are seeking an experienced Security System Administrator to join our team and take charge of securing and evolving our IT infrastructure. This strategic role combines technical cybersecurity expertise, infrastructure management, and the ability to propose innovative solutions to strengthen our security posture.


Responsibilities:
  • Security and Architecture (80%)
    • Identity and Access Management
  • Deploy and maintain Single Sign-On (SSO) solutions across all company tools
  • Implement and manage SCIM protocols for automated user account provisioning
  • Ensure access governance and privilege management
    • Audit and Compliance
  • Lead the enterprise-wide audit logs project
  • Establish processes for collecting, centralizing, and analyzing security logs
  • Ensure action traceability and regulatory compliance
    • Operational Cybersecurity
  • Maintain and enhance detection and response tools (EDR/XDR, SIEM)
  • Manage vulnerability management solutions and orchestrate remediation campaigns
  • Monitor network threats and coordinate incident response activities
    • Data Management and Classification
  • Implement and maintain document classification policies
  • Deploy Data Loss Prevention (DLP) tools across all platforms
  • Ensure sensitive data protection and GDPR compliance
    • Infrastructure and DevSecOps
  • Deploy and maintain on-premises and cloud infrastructures using Terraform
  • Integrate security into CI/CD pipelines (Infrastructure as Code)
  • Automate secure deployments and configuration management
    • Research and Continuous Improvement
  • Drive proposals for continuous security posture improvement
  • Conduct technology watch on emerging threats and new solutions
  • Propose and implement security enhancement projects
    • User Support (20%)
  • Provide Level 1/2/3 technical support for IT security issues
  • Guide users in adopting secure tools and processes
  • Resolve technical incidents related to security solutions


    • Requirements:
  • Minimum 5 years of experience in cybersecurity or information systems security
  • Demonstrated experience managing secure infrastructures and implementing Infrastructure as Code solutions (Terraform, Ansible)
  • Proven track record in security and infrastructure project management, including DevSecOps implementations
  • Core Priorities (First Year Focus )Infrastructure as Code:
  • Strong Terraform experience for infrastructure deployment and management
  • Container Orchestration: Kubernetes administration and security best practices
  • Cybersecurity fundamentals: vulnerability management, incident response
    • Required Technical Skills
  • Identity management: SSO (SAML, OIDC), SCIM, Azure AD
  • Security monitoring: EDR/XDR, audit logging
  • Scripting and automation capabilities


    • Nice to have:
  • Multi-cloud experience (OVH/Azure/GCP)
  • Security frameworks knowledge (ISO 27001)
  • Python scripting
    • Soft Skills
  • Autonomy and ability to manage complex end-to-end projects
  • Analytical mindset to identify vulnerabilities and propose solutions
  • Communication skills to raise awareness and train teams on best practices
  • Technology watch and curiosity to stay current with threats and solutions
  • Service orientation to support users with their needs


    • Benefits:
  • 25-day vacation policy (as per French law) + RTT
  • Half of transportation cost coverage (as per French law), or yearly allowance for bike enthusiasts
  • Competitive health benefits with Helium/AXA
  • Meal vouchers with Swile, as well as access to a fully equipped kitchen
  • Parental benefits with crèche support
  • Flexible remote policy, up to 40 % a month
  • Language courses covered by the company
  • Mental health support with moka.care
  • Subsidized membership with Urban Sports Club


    • Recruitment Process:
  • Screening call with Doriane (30 min)
  • Technical Interview with the Team (60 min)
  • Hiring Manager Interview with Matthew (45 min)
  • Leadership/Fit Interview (45 min)
  • Reference check


    • Research shows that women might feel hesitant to apply for this job if they don't match 100% of the job requirements listed. This list is a guide, and we'd love to receive your application even if you think you're only a partial match. We are looking to build teams that innovate, not just tick boxes on a job spec.

    You will join of one of the most innovative startups in France at an early stage, to be part of a passionate and friendly team on its mission to build the first universal quantum computer!

    We love to share and learn from one another, so you will be certain to innovate, develop new ideas, and have the space to grow.
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