Senior Network Engineer (Juniper, Global Infra) Remote

Sii Sp. z o.o.; Polska; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work since 2015

Profit sharing

Private healthcare

Flexible remote work

Diverse international projects

Meetups and training

Growth opportunities

Excellent atmosphere

Job summary

Sii Sp. z o.o. in Poland is seeking a Senior Network Engineer with Juniper and Cisco expertise to manage production networks across global POPs and data centers. The role focuses on lifecycle management, network upgrades, and collaboration with vendors.

The position offers remote work flexibility and a dynamic environment with diverse international projects, attractive benefits, and opportunities to contribute to scalable infrastructure.

Qualifications

• Minimum 5 years of experience in a production network environment.
• Hands-on experience with networking platforms such as Cisco, Juniper, or Arista.
• Proficiency in core networking protocols, including BGP, OSPF/ISIS, and IPv4/IPv6.
• Solid understanding of large-scale network operations, including executing network change operations and software upgrades.
• Demonstrated ability to manage vendor escalations and coordinate support resolution.
• Advanced level of English.

Responsibilities

• Supporting lifecycle management for production network platforms, including hardware, software, firmware, and operating system versions across global POPs and data centers.
• Planning, coordinating, and executing fleet-wide network upgrade initiatives, ensuring device qualification and readiness checks are performed.
• Leading infrastructure rollout efforts across global POPs, data centers, and the backbone network.
• Operating a dedicated lab and test environment to validate hardware platforms, configurations, and automation tooling.
• Partnering with network engineers and vendors to investigate platform issues, manage support escalations, and document resolution paths.
• Collaborating cross-functionally to support network scalability, compliance, and operational consistency.
• Contributing to runbooks, process documentation, and operational procedures for network changes and lifecycle management activities.

Skills

Network Administration

Database Administration

Cisco

Juniper Networks IDP

Arista

BGP

IPv4/IPv6

Splank

Network Infrastructure

Communication skills

Tools

Ansible

Python

Job description

Sii Sp. z o.o. in Poland is seeking a Senior Network Engineer with Juniper and Cisco expertise to manage production networks across global POPs and data centers. The role focuses on lifecycle management, network upgrades, and collaboration with vendors.

The position offers remote work flexibility and a dynamic environment with diverse international projects, attractive benefits, and opportunities to contribute to scalable infrastructure.