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Network Specialist Cloud

ARHS


Job Location:

Warsaw - Poland

Monthly Salary: Not provided by the employer
Posted: 28 June 2026 (30+ days ago)
Application Deadline: 25 September 2026
Vacancies: 1 Vacancy

Job Summary

  • Administer monitor and troubleshoot enterprise IP network infrastructure to ensure availability performance and security
  • Manage and maintain routing switching and wireless network environments including wired and WiFi access utilizing technologies such as 802.1x/EAP
  • Perform both physical and logical network configuration changes including installation and removal of network devices cabling and connectivity components
  • Configure and support network security mechanisms including firewalls traffic filtering and secure communication protocols (SSL/TLS VPN authentication systems)
  • Ensure stable operation of core network services such as DNS DHCP and NTP across the infrastructure
  • Administer large-scale enterprise network environments and ensure proper configuration of endpoint systems (Windows Linux network devices)
  • Provide 2nd line support to users and resolve network-related incidents and issues in a timely manner
  • Prepare and maintain technical documentation including network diagrams procedures and Standard Operating Procedures (SOPs)
  • Identify recommend and implement improvements to network performance scalability and security
  • Support hybrid infrastructure environments including on-premises and cloud networking (Azure and AWS)
  • Contribute to automation and efficiency through the use of DevOps tools and practices (e.g. Terraform Ansible Git)
  • Collaborate with technical and non-technical stakeholders to ensure effective service delivery
  • Promote a proactive service-oriented approach and support continuous improvement initiatives
  • Perform additional tasks as assigned by the supervisor

Qualifications :

  • Excellent practical knowledge of TCP/IP protocols and IP routing
  • Very good understanding of Ethernet switching technologies
  • Good knowledge of network services such as DNS DHCP and NTP
  • Understanding of wired and wireless access technologies including WiFi and 802.1x/EAP
  • Knowledge of application-layer authentication and encryption mechanisms (HTTPS SSL/TLS PKI certificates)
  • Hands-on experience with networking technologies and vendors (Cisco routers/switches wireless controllers firewalls etc.)
  • Experience administering large-scale enterprise network environments
  • Good understanding of endpoint network configuration (Windows Linux and network operating systems)
  • Practical experience with stateful and stateless traffic filtering
  • Very good analytical and troubleshooting skills
  • Excellent communication skills (written and verbal)
  • Strong organizational skills attention to detail and accuracy
  • Demonstrates responsibility initiative and a proactive mindset
  • Displays a cooperative supportive and service-oriented attitude
  • Able to work under pressure with minimal supervision
  • High level of motivation and continuous improvement mindset
  • Ability to work effectively in a team environment
  • Physically able to perform practical tasks such as installation and cabling of network equipment
  • Willingness to travel across Europe when required
  • Valid driving license (Category B) and ability to drive abroad
  • Good knowledge of cloud networking concepts particularly in Microsoft Azure and AWS
  • Understanding of DevOps practices (CI/CD pipelines automation)
  • Experience or familiarity with automation tools such as Terraform Ansible and version control systems (Git)
  • Basic scripting skills (e.g. Python PowerShell shell scripting)
  • Understanding of common data formats such as JSON YAML and XML
  • Good knowledge of English (minimum C1 level)

Additional Information :

  • This role requires occasional travel within Europe (up to 15 times/year)
  • Driving license (Category B) required

Remote Work :

No


Employment Type :

Full-time


About Company

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Ar?s is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services. We are composed of 17 entities across 9 countries that ... View more

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