1.    Objectives and key missions:

We are looking for a Senior Infrastructure Engineer to take over the management, security, and evolution of our IT landscape. You will bridge the gap between traditional infrastructure (Network/System) and modern practices (Cloud, IaC, Automation). Reporting to the Head of Infrastructure Group Director, you will play a key role in ensuring our systems are robust, secure, and scalable.

His main responsibilities are:

·       Design & Deliver Infrastructure Solutions

·       Enable SysOps Practices & Automation

·       Ensure Operational Excellence

·       Standardize & Document Processes

2.    Key activities:

Build (Project / Implementation - 40%)

·       Design & Implement: Architect scalable infrastructure & applicative solutions on Azure & GCP and on-premise environments.

·       Modernization: Drive the shift to Infrastructure as Code (Terraform/Ansible) to standardize deployments. Contribute to infrastructure evolution by evaluating and integrating new tools and technologies. Ensure infrastructure is aligned with business needs.

·       Security by Design: Integrate security best practices early in the project lifecycle.

·       Collaborate with developers, architects, and product teams to align infrastructure with application needs.

Run (Operations / Service Management - 40%)

·       Service Reliability: Manage operational incidents and lead Root Cause Analysis (Problem Management) to prevent recurrence.

·       Change Control: Apply ITIL-based Change Management processes for all infrastructure updates, ensuring security and minimizing downtime.

·       Monitoring: Maintain observability tools (Zabbix/Grafana) to proactively track performance against SLAs.

·       Automation: Automate recurring tasks to reduce “toil” and improve operational efficiency.

Transverse (Process & Quality - 20%)

• Documentation: Create and maintain high-quality technical documentation and diagrams.

• Knowledge: Follow procedures & Ensure technical process are UpToDate.

• Mentoring: Evangelize Automation culture within the tech team.

This description considers the main responsibilities, it is not exhaustive.

Key skills:

• Master’s degree in computer science or engineering.

• 7 to 10 years of experience.

• 5+ years in infrastructure/SysOps roles.

Technical “Must-Haves”:

• System: Deep Linux administration skills (Debian/RHEL) & Windows Server.

• Network: Solid understanding of TCP/IP, Firewalls, VLANs, and VPNs (Cisco/Meraki environment) & Security Principles.

• IaC & Automation: Proficiency with Terraform and Ansible.

• Virtualization: Strong experience with VMware & Proxmox

Technical “Nice-to-Haves”:

• Cloud: Experience with [Secondary Cloud provider].

• Scripting: Bash, Python or PowerShell for automation tasks.

• Security: Knowledge of ISO27001 standards or hardening techniques

Soft Skills

-          Problem Solver: Analytical mindset with a rigorous approach to troubleshooting.

-          Communicator: Ability to explain technical constraints to non-technical stakeholders.

English: Professional working proficiency (Written & Spoken) is mandatory

Internal & External Relations

-        Internal: All teams but works closely with Security, Developers, Product Managers, and Helpdesk/Support staff.

-        External: Manages relationships with Cloud providers, ISPs, and hardware vendors.

WALLIX is also:

• A structured environment… that has never lost its start-up spirit

• A two-way journey: you grow with us… and we grow with you

• A “human-sized” company that places the integration and well-being of its Wallixians at the heart of its priorities

And more specifically:

• Happy at Work label in 2020, 2021, 2022 and 2024

• Onboarding seminar & team lunches, Kick-Off events in great destinations or remotely

• Remote work policy (2 days per week), 25 days of paid leave & 12 RTT days (1 per month)

• Internal mobility opportunities to explore new challenges

• 50% coverage of transportation costs

• Health insurance and provident coverage

• Holiday bonus

• SWILE card funded with €10,50 per day (50% employee contribution)

• Works Council (CSE)

• Great team spirit and good vibes!

Did you know? Over 80% of Wallixians recommend the WALLIX experience. Join us!

If you’re up for this exciting challenge, get ready to embark on a thrilling adventure in the world of technology at WALLIX!