Senior Network Specialist improving ISPs' network infrastructures through consulting in complex environments. Responsible for network design, troubleshooting, and customer support within high-stakes settings.
Responsibilities
Design, configure and optimize network architectures for ISPs.
Perform advanced troubleshooting of L2, L3, BGP, MPLS and multiservice networks.
Configure and manage network equipment (routers, switches, OLTs, firewalls) and servers.
Deploy and maintain services such as DNS, RADIUS, Looking Glass and monitoring platforms.
Lead technical projects such as expansions, migrations, audits and standardizations.
Work with network monitoring, observability and security, including event analysis, risk mitigation and traffic anomaly detection (e.g., DDoS).
Support customers in technical meetings and pre-sales activities with a consultative approach.
Produce technical documentation, support internal training and contribute to industry standards and best practices.
Requirements
Strong experience in IP networking, switching and dynamic routing.
Proficiency in BGP for ISPs and MPLS.
Experience with Linux for operations and troubleshooting.
Experience with monitoring and observability tools (Zabbix, Grafana or similar).
Previous experience at internet service providers (ISPs) or telecom operators.
Minimum of 3 years' experience in technical network roles.
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