Senior Juniper Network Engineer - Remote & Global Ops

Sii Poland; Wrocław; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking an experienced Senior Network Administrator to manage production network platforms and lifecycle activities across global POPs, data centers, and backbone infrastructure. You will coordinate with engineers and vendors to upgrade networks while maintaining reliability.

The role offers remote work flexibility and requires strong expertise in major networking platforms and protocols. English proficiency is essential for global collaboration.

Qualifications

• Minimum 5 years in a production network environment.
• Hands-on experience with Cisco, Juniper or Arista network platforms.
• Proficient in BGP, OSPF/ISIS and IPv4/IPv6.
• Experience managing vendor escalations and coordinating resolutions.
• Advanced level of English.

Responsibilities

• Support lifecycle management for production network platforms across global POPs and data centers.
• Plan and execute fleet-wide network upgrade initiatives with readiness checks.
• Lead infrastructure rollout across global POPs, data centers, and backbone networks.
• Operate a dedicated lab to validate hardware, configurations, and automation tooling.
• Collaborate with engineers and vendors to investigate issues and document resolutions.
• Help ensure scalability, compliance, and operational consistency.
• Contribute to runbooks and processes for network changes and lifecycle activities.

Skills

Networking platforms

Cisco

Juniper

Arista

BGP

OSPF/ISIS

IPv4/IPv6

Vendor management

English

Python scripting

Ansible

Tools

Python scripting

Ansible

Job description

Sii Poland is seeking an experienced Senior Network Administrator to manage production network platforms and lifecycle activities across global POPs, data centers, and backbone infrastructure. You will coordinate with engineers and vendors to upgrade networks while maintaining reliability.

The role offers remote work flexibility and requires strong expertise in major networking platforms and protocols. English proficiency is essential for global collaboration.