Network Administrator (L2) - Enterprise Broadcast Infrastructure
About Us
Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in engineering and leadership, we help companies build high‑performing teams by matching them with professionals who truly fit their needs.
About The Role
We are looking for a Network Administrator (Level 2) to support the operations and reliability of a large‑scale enterprise network infrastructure used by a major European media and broadcast organization . This role focuses on network monitoring, incident management, infrastructure administration, and cloud network integration , ensuring high availability and performance across hybrid environments. You will work in a complex environment combining on‑premise data centers, cloud networking, and modern NetOps automation practices .
The ideal candidate is experienced in Cisco‑based data center networking, routing protocols, and hybrid cloud networking , and comfortable working in operational environments with strict uptime requirements .
Location: Katowice region, Poland (preferred)
Language: French (required)
Engagement: Contract
Responsibilities
- Monitor and manage network supervision alerts, including proactive analysis and incident handling
- Ensure network performance and bandwidth monitoring across enterprise environments
- Maintain network infrastructure updates, including patching, version upgrades, and inventory management
- Administer and maintain network and security devices across data center and cloud infrastructure
- Maintain and back up equipment configurations and operational documentation
- Configure and manage virtual networking components in cloud environments
- Manage network integrations between on‑premise infrastructure and cloud environments using CI/CD technologies
- Process network flow requests and filtering rules
- Perform deep network analysis using specialized monitoring and diagnostic tools
- Conduct failover and resilience testing on critical network infrastructures
- Provide operational procedures and troubleshooting instructions for supervision and production teams
- Ensure accurate asset tracking and monitoring of network equipment movements
- Prepare and execute network and security equipment integrations into production environments
- Manage certificate installation and lifecycle management
Requirements
- Strong experience administering enterprise network infrastructures (L2/L3)
- Hands‑on experience with Cisco data center networking (ACI, Nexus, Catalyst)
- Strong understanding of routing protocols (OSPF, BGP, PIM, IS‑IS)
- Experience working with firewalls and load balancing technologies
- Familiarity with hybrid cloud networking (AWS / GCP / Azure)
- Experience with NetOps or infrastructure automation tools (Ansible, Terraform, GitLab)
- Ability to analyze network incidents and perform advanced troubleshooting
- Experience in high‑availability environments and failover testing