System and Network Engineer

il y a 2 semaines

Paris, France Cryptonext Security Temps plein

**Who we are**:
CryptoNext Security is a Paris-based start-up founded in 2019, building on over two decades of academic research.

As a leading software vendor specializing in post-quantum cryptography (PQC), we develop cutting-edge solutions that ensure enterprises and integrators are ready for the quantum computing era. Our flagship product, the **Quantum Safe Remediation Suite**, includes the industry-renowned **Quantum Safe Library (C-QSL)** featuring all NIST-selected algorithms.

Recognized as a leader by Gartner in 2021 and awarded the Innovation Prize at _Les Assises 2022_, CryptoNext is a trusted name in the cybersecurity ecosystem. We’re proud members of Campus Cyber, Hexatrust, and Systematic, and have partnered with NIST's NCCoE on PQC migration best practices.

At CryptoNext, innovation and trust are at the heart of everything we do. Our team thrives on solving challenges and delivering solutions that are as secure as they are forward-thinking.

**On a daily basis, you will**:
As a **System and Network Engineer**, your mission will be to design, implement, and maintain CryptoNext’s IT infrastructure, ensuring high levels of security, performance, and availability. Your responsibilities will include:
**Infrastructure Management**:

- Manage both cloud-based and on-premise infrastructure supporting R&D and client software delivery.
- Prepare for future expansion by contributing to the design of our SaaS product infrastructure.
- Oversee service providers for cloud platforms, including procurement, configuration, supervision, and maintenance.
- Document processes and configurations for internal and external use.

**Workstation and Equipment Management**:

- Provide, configure, and maintain workstations and related tools for employees.
- Enforce security protocols, including workstation configuration and inventory management.

**Collaborative Platforms**:

- Ensure security compliance across all platforms (Office365, HubSpot, Odoo, Jira, etc.).
- Manage onboarding/offboarding processes for employees and support cross-departmental collaboration tools.

**Security Implementation**:

- Define and enforce security rules, procedures, and tools for infrastructure and endpoints.
- Deploy and maintain equipment such as firewalls, VPNs, and OS configurations to meet certification-level security standards (Common Criteria, FIPS).

**R&D Lab and Pilot Projects**:

- Manage hardware and equipment for the internal R&D lab, including HSMs, VPN gateways, and proxy TLS devices.
- Support R&D and client pilot projects by sourcing, configuring, and maintaining necessary equipment.

**Employee Support**:

- Act as the go-to resource for employees needing assistance with IT tools or equipment.

**Requirements**:
**The skills you’ll need**:
**Education and Experience**:

- A degree in computer science, cybersecurity, or network engineering.
- At least 5 years of experience in IT infrastructure management, preferably in a security-certified product environment.

**Technical Expertise**:

- Proficiency in managing cloud services and on-premise hardware.
- Experience with network and security tools (e.g., firewalls, VPNs, HSMs).
- Familiarity with workstation and endpoint configuration and management.

**Language Skills**:

- Fluent in French with professional-level English (capable of leading multinational teams and presenting effectively).

**Soft Skills**:

- Strong analytical and problem-solving abilities.
- Team-oriented with excellent communication skills.
- Calm under pressure and able to adapt quickly to changing needs.

**Benefits**

**What’s in it for you at CryptoNext**:

- A competitive salary based on your experience.
- A hybrid work environment in the heart of Paris.
- The opportunity to contribute to groundbreaking innovations in cybersecurity.
- A tight-knit, supportive team with a passion for tackling complex challenges.
- The chance to grow your career at a company recognized globally for its leadership in post-quantum cryptography.

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