Gramian ConsultingNetwork 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: ONSITE work, Katowice region, Poland
Engagement: Long-term Contract (B2B or B2C)
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
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