Infrastructure & DevOps Engineer - (H/F)

**Description entreprise**:
Did you know? 80% of cyberattacks involve privileged accounts. As a leader in the privileged
access management market, with a strategy based on innovation and agility, WALLIX's mission is to simplify cybersecurity for its clients worldwide.

WALLIX was founded in 2003 in Paris, France, as a digital services company. Following a client audit request, WALLIX initially developed an internal tool to track the access of internal and external administrators. WALLIX then established an R&D center and became a full-fledged publisher of access and identity governance software. In 2015, WALLIX became WALLIX Group and the first French cybersecurity software publisher to be listed on the stock exchange (EuroNext, code: ALLIX). The WALLIX Group acquired Simarks and Trustelem in 2019, and Kleverware in 2023.

The WALLIX suite of solutions is distributed through a network of over 300 resellers and integrators worldwide, and WALLIX supports more than 3,000 organizations in securing their digital transformation. WALLIX is a founding member of the HEXATRUST group, has been included in the Futur40, the first ranking of growth companies listed on the stock exchange published by Forbes France, and is part of the Tech 40 index.

**Description du poste**:
**The infrastructure and DevOps role is based in our Paris office (8th arrondissement) and reports directly to the Head of the IT Department.**

This position is responsible for the deployment and ongoing maintenance of WALLIX IT systems. Key missions include designing and delivering robust infrastructure solutions, supporting DevOps practices through automation, and ensuring operational excellence. The role also involves standardizing and documenting processes to enhance consistency, efficiency, and long-term system reliability.

**1/ Build (Project / Implementation)**:

- Develop and maintain Infrastructure as Code using tools such as Terraform, Ansible, or similar, and manage CI/CD pipelines (e.g., GitLab).
- Ensure infrastructure is secure, scalable, and aligned with business requirements.
- Define and maintain documentation and standard processes throughout the project lifecycle.
- Contribute to infrastructure evolution by evaluating and integrating new tools and technologies.

**2/ Run (Operations / Maintenance)**:

- Implement observability tools (logs, metrics, alerts) for proactive system and performance monitoring to ensure service reliability and availability (e.g., Zabbix, Grafana, Elastic).
- Investigate and resolve infrastructure incidents, and participate in root cause analysis.
- Automate recurring operational tasks and deployment processes.

**Profil recherché**:
**Profile**
- 7 to 10 years of professional experience, including at least 3 years in infrastructure and/or DevOps roles.
- Master’s degree in Computer Science, Engineering, or a related field.
- Relevant certifications (e.g., Azure, AWS, Terraform) are a strong plus.

**Technical Skills**
- Solid experience in system administration (Linux and Windows), networking, and firewalling, with familiarity with technologies such as CISCO, Meraki, and Pfsense.
- Strong proficiency in Infrastructure as Code and CI/CD practices, using tools like Terraform, Ansible, Git, and GitLab.
- Hands-on experience in API development and integration, including REST APIs, HTTP/JSON protocols, and SSO authentication methods.
- In-depth knowledge of cloud platforms (Azure, GCP, AWS) and virtualization technologies (VMware, Proxmox, Hyper-V).
- Experience with cloud cost optimization and FinOps practices.
- Strong scripting abilities in languages such as Bash, Python, and PowerShell.

**Soft Skills**
- Strong analytical and problem-solving skills.
- Ability to collaborate effectively across technical and non-technical teams.
- Autonomous and adaptable, with a proactive approach to continuous improvement.
- Excellent documentation and process design skills.
- DevOps mindset with a strong team spirit: collaboration, feedback, and shared ownership.
- Fluent in English, both written and spoken.