Senior Global Network Engineer - Remote

Sii Poland; Piła; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland is seeking an experienced Senior Network Administrator to manage production network platforms globally, including POPs, data centers, and backbone infrastructure.

You will lead lifecycle management, plan fleet upgrades, coordinate with vendors, and document runbooks while enabling remote work flexibility. Strong Cisco/Juniper/Arista experience and English proficiency are required.

Qualifications

• Minimum 5 years in production network environment.
• Hands-on experience with networking platforms such as Cisco, Juniper, or Arista.
• Proficiency in core networking protocols: BGP, OSPF/ISIS, IPv4/IPv6.
• Solid understanding of large-scale network operations and change management.
• Advanced level of English.

Responsibilities

• Support lifecycle management for production network platforms across global POPs and data centers.
• Plan, coordinate, and execute fleet-wide network upgrade initiatives with readiness checks.
• Lead infrastructure rollout across global POPs, data centers, and backbone network.
• Operate a dedicated lab/test environment to validate hardware and automation tooling.
• Collaborate with engineers and vendors to resolve platform issues and document resolutions.
• Support cross-functional scalability, compliance, and operational consistency.
• Contribute to runbooks and procedures for network changes and lifecycle activities.

Skills

5+ years in production network

Advanced English

Network operations

Tools

Cisco

Juniper

Arista

Ansible

Python

Job description

Sii Poland is seeking an experienced Senior Network Administrator to manage production network platforms globally, including POPs, data centers, and backbone infrastructure.

You will lead lifecycle management, plan fleet upgrades, coordinate with vendors, and document runbooks while enabling remote work flexibility. Strong Cisco/Juniper/Arista experience and English proficiency are required.