Network Engineer with Juniper - large scale intrastructure (f/m/x)

Admin

Network Engineer with Juniper - large scale intrastructure (f/m/x)

Admin
-, Katowice +13 Locations

Sii

Job offers Sii
Full-time
B2B
Senior
Remote
5 143,90 - 6 687,07 USDNet per month - B2B

Job description

We are looking for an experienced Senior Network Administrator to join our team, focusing on managing and supporting production network platforms. In this role, you will be responsible for lifecycle management across global Points of Presence (POPs), data centers, and backbone infrastructure. You will collaborate with network engineers and vendors to ensure operational excellence while executing network upgrade initiatives and maintaining network infrastructure. This position offers the flexibility of remote work. If you are passionate about network administration and infrastructure management, this opportunity may be the right fit for you.

Your tasks

  • 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

Requirements

  • Minimum 5 years of experience in a production network environment with a focus on operational execution

  • 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

Nice-to-have requirements

  • Strong organizational and execution skills with attention to detail

  • Effective cross-functional communication and collaboration skills

  • Scripting ability in Python or a similar language

  • Familiarity with network automation tools such as Ansible

  • Experience improving operational processes by reducing manual steps and increasing repeatability

Tech stack

    English

    C1

    Network Administration

    advanced

    Database administration

    advanced

    Cisco

    advanced

    Juniper Networks IDP

    advanced

    Arista

    advanced

    BGP

    advanced

    IPv4/IPv6

    advanced

    Splank

    advanced

    Ansible

    nice to have

    Python

    nice to have

Office location

About the company

Sii

Sii Polska to czołowy partner w Polsce w obszarze doradztwa technologicznego, transformacji cyfrowej opartej o AI oraz usług inżynieryjnych i biznesowych - wspierającym firmy w zakresie innowacji i rozwoju. Firma obecna ...
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