Senior System Architect

Posted 13 Days Ago
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Boulogne-Billancourt, Hauts-de-Seine, Île-de-France, FRA
Hybrid
75K-85K Annually
Senior level
Infrastructure as a Service (IaaS)
The Role
Lead design and delivery of resilient system and network architectures for large-scale datacenter and operator environments. Drive automation (IaC), observability, virtualization/containerization, and advanced network architectures. Mentor engineers, coordinate cross-functional teams, manage datacenter rationalization, handle incident response, and represent the company publicly.
Summary Generated by Built In
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.
Tasks
Lead Complex Infrastructure Projects
Design 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 Expertise
Operate at the intersection of systems and networking. Define technical standards and deliver solutions aligned with both operational and business objectives
Drive Automation and Observability
Implement infrastructure-as-code practices, improve monitoring stacks (Grafana, Telegraf, etc.), and ensure systems are observable, predictable, and auditable.
Mentor and Coordinate Across Teams
Guide cross-functional teams, support junior engineers, and collaborate with DevOps, product, and operations teams to ensure cohesive execution
Champion High Standards and Reliability
Lead by example in quality, documentation, and crisis management. Take a proactive stance on technical debt, incident resolution, and long-term architectural evolution.
Requirements
You 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 environment
You 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 teams
You 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

Skills Required

  • 10+ years in architecture roles combining system administration, networking, and team leadership
  • Experience in an operator or infrastructure-heavy environment
  • Expert in Linux distributions: Ubuntu, Debian, RedHat
  • Proficient in automation and scripting (Go, Python) for production infrastructure
  • Experience with monitoring and observability stacks (Grafana, Telegraf, Shinken)
  • Experience with automation/config management tools (Ansible, Puppet, Juju)
  • Experience with virtualization and containerization platforms (OpenStack, Docker, LXC, VMware)
  • Experience implementing high-availability networks and advanced network architectures (IP/MPLS, routers, switches, VPN, IPv6)
  • Familiarity with DCIM/IPAM systems (e.g., Netbox) and datacenter organization/optimization at scale
  • Strong communication, mentorship, cross-functional collaboration, crisis management, and public representation skills
Am I A Good Fit?
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The Company
36 Employees
Year Founded: 2019

What We Do

About Wibx is a stealth-mode venture, founded by experienced entrepreneurs with a strong track record in tech infrastructure and digital innovation. While we can’t reveal much at this stage, we’re building something bold with the potential to reshape how Europe connects, operates, and scales its digital backbone.We’re backed by trusted partners and moving fast.

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