Senior System Architect

BOULOGNE BILLANCOURT
Canton of Boulogne-Billancourt-1, France
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Canton of Boulogne-Billancourt-1, France

Tech stack

Ubuntu (Operating System)
Data Center Infrastructure Management (CIM)
Debian Linux
Linux
DevOps
IP Addressing
IPv6
Virtual Private Networks (VPN)
Multi-protocol Systems
Python
Linux Distribution
Network Architecture
OpenStack
Red Hat Enterprise Linux - RHEL
Ansible
Systems Architecture
Virtualization Technology
Network Routers
Grafana
Technical Debt
Lxc
Puppet
Docker
VMware

Job description

We're looking for a seasoned system Architect ready to shape the backbone of tomorrow's digital connectivity. Join an ambitious team building robust, scalable infrastructures at the edge of innovation.TasksLead Complex Infrastructure ProjectsDesign and oversee resilient system and network architectures supporting large-scale, high-growth environments. Ensure performance, scalability, and maintainability across all infrastructure layers.Bridge Systems and Network ExpertiseOperate at the intersection of systems and networking. Define technical standards and deliver solutions aligned with both operational and business objectivesDrive Automation and ObservabilityImplement infrastructure-as-code practices, improve monitoring stacks (Grafana, Telegraf, etc.), and ensure systems are observable, predictable, and auditable.Mentor and Coordinate Across TeamsGuide cross-functional teams, support junior engineers, and collaborate with DevOps, product, and operations teams to ensure cohesive

Requirements

executionChampion High Standards and ReliabilityLead by example in quality, documentation, and crisis management. Take a proactive stance on technical debt, incident resolution, and long-term architectural evolution.RequirementsYou have a proven track record at least 10 years in architecture roles combining system administration, networking, and team leadership, ideally in an operator or infrastructure-heavy environmentYou are expert in Linux distributions (Ubuntu, Debian, RedHat) and capable of managing production infrastructure through a mix of automation, scripting (Go, Python), and observability tools.You are experienced in handling virtualization and containerization platforms, implementing high-availability networks, and contributing to architecture design reviews with stakeholders from engineering and product teamsYou are comfortable with IP addressing plans, DCIM/IPAM systems (like Netbox), and datacenter organization and optimization at scale.You combine technical rigor with a strategic mindset, capable of aligning long-term infrastructure evolution with business objectives. You are self-directed, clear in your communication (oral and written), and effective in cross-functional environments.As a Senior Systems Architect, your role is to define, build, and scale robust infrastructure architectures - both at the system and network levels - in support of critical operator and enterprise services.You will lead the design of modular, resilient platforms, oversee their implementation across datacenters, and ensure operational excellence throughout the lifecycle. You are expected to master both systems and networking domains: Linux infrastructure, VPN deployments, IPv6 migration, and virtualization (OpenStack, Docker, LXC, VMWare). Your scope includes monitoring (Grafana, Telegraf, Shinken), automation (Ansible, Puppet, Juju), and advanced network architectures (IP/MPLS, routers, switches).You will coordinate technical decisions across multiple teams, manage datacenter and asset rationalization, and act as a technical leader in crisis situations. You will also represent the company in public-facing settings such as webinars or technical forums

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