Technicien Réseau en alternance for ARINFO providing technical support and system administration. Join a fully funded training program with no registration fees.
About the role
- Senior Network Engineer supporting network modernization initiatives for a key customer. Involves deep expertise across Cisco SDA, Palo Alto, and Azure platforms for infrastructure improvements.
Responsibilities
- Lead configuration, troubleshooting, and optimization across Cisco switching, routing, and fabric-based networking
- Own Cisco SDA implementation components: Border/edge and fabric architecture, VXLAN/EVPN workflows, SGT strategy and deployment, DNA Center automation and assurance
- Drive Cisco ISE maturity: Upgrade to current supported code, implement wired and wireless 802.1X Device profiling and posture enforcement, integrate with Microsoft identity services
- Improve wireless and access layer resiliency: Evaluate and fix single points of failure, optimize WLC config and RF planning, enhance redundant uplinks and coverage
- Participate in WAN and edge modernization: BGP/OSPF cleanup and design, Palo Alto HA configuration and failover, evaluate SD-WAN / SASE options
- Troubleshoot advanced L2–L7 issues in production
- Document changes and provide knowledge transfer to ops teams
- Network automation and Infrastructure as Code, including the use of modern automation frameworks to improve consistency, scalability, and operational efficiency.
- Hands-on experience with Ansible, APIs, Git, and Terraform for configuration management, automation, and cloud/network infrastructure provisioning.
- Observability and assurance at scale, with the ability to proactively monitor, analyze, and troubleshoot enterprise networks.
- Experience enabling and consuming telemetry, NetFlow, and IPFIX for traffic visibility and performance analysis.
- Familiarity with Cisco DNA Center Assurance, Palo Alto Panorama, and SIEM integrations to provide centralized visibility, security monitoring, and operational insights.
Requirements
- 7+ years enterprise networking experience
- Strong Cisco implementation background (Catalyst/Nexus)
- Hands-on Cisco SDA experience in production environments
- Cisco ISE deployment (not just administration)
- Palo Alto firewall deployment, HA, and IPsec VPNs
- Wireless engineering experience (Cisco 9800 + 91xx APs)
- Proficiency with BGP/OSPF and routing policy
- DNA Center workflows and automation (nice to have)
- Azure routing + NVA experience (nice to have)
- Experience in manufacturing or multi-building campus networks (nice to have)
Benefits
- Hybrid onsite presence expected
- Contract engagement
- Professional development opportunities
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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