Network Specialist Virtualization

On-siteSalary not specified
Warsaw, Poland

Job Description, Responsibilities & Requirements

About the Position

We are seeking a skilled Network Specialist Virtualization to administer, monitor, and troubleshoot IP networks in Warsaw, Poland.

Responsibilities

  • Administer, monitor, and troubleshoot IP networks
  • Administer the structural cabling system
  • Perform changes in physical and logical network configuration, including installing and removing devices and cabling connections
  • Provide 2nd line support to client's system and network users
  • Create and update technical documentation and operating procedures
  • Advise on possible network improvements, changes, or upgrades to the network infrastructure

Requirements

  • Bachelor's degree plus 5 years of IT relevant professional experience
  • Minimum 5 years of experience in a similar position
  • Minimum English language skills (CEFR): B2
  • Required certificates:
    • Cisco CCNA
    • VMware Network Virtualization
    • Equivalent from other vendors

Knowledge

  • Very good understanding of TCP/IP protocols and IP routing
  • Very good understanding of Ethernet switching protocols
  • Good knowledge of network services like DNS, DHCP, NTP, etc.
  • Good understanding of wired and wireless access technologies (wifi, 802.1x/EAP, etc.)
  • Good understanding of application-layer authentication and encryption mechanisms, e.g. HTTPS/SSL/TLS protocols, PKI, and X.509 certificates
  • Hands-on experience with products and solutions related to the domain (e.g. Cisco routers and switches, wireless controllers, network firewalls, etc.)
  • Hands-on experience in administering a large enterprise network
  • Good knowledge of the network configuration of endpoint operating systems (Windows, Linux, IOS, etc.)
  • Work experience with stateful and stateless traffic filtering
  • Very good analytical and troubleshooting skills

Skills

  • Excellent communication skills both technical and non-technical (in written and verbal communication)
  • Very good analytical and troubleshooting skills
  • Open-minded, excellent troubleshooting, analytical, and problem-solving skills
  • Very strong sense of responsibility, accuracy, and attention to details
  • Sense of tact and diplomacy
  • Friendly, supportive, and helpful personality with a cooperative and service-oriented attitude
  • Ability to work in a stressful environment with minimal supervision
  • High level of motivation and initiative, creative thinking
  • Proactive attitude and teamwork spirit
  • Physically fit to perform assigned duties (may require installation or rack mounting network appliances and network cables)
  • Able to travel occasionally inside Europe (plane, boat, car, etc.) up to 15 travels/year
  • Driving license category B
  • Ability to drive a rented car, including abroad

Specific Requirements

  • Very good knowledge of the VMware NSX-T platform
  • Very good understanding of VMware ESX networking (e.g. distributed switching/routing/microsegmentation)
  • Good knowledge of other virtualization platforms (Nutanix, Proxmox, etc)
  • Good knowledge of network-level encryption (e.g. IPsec, IKE, DMVPN)
  • Hands-on experience in configuration and troubleshooting of the Palo Alto next-generation firewalls and Panorama management system
  • Hands-on experience in managing Cisco Nexus and Catalyst switches

We Offer

  • Competitive salary
  • Opportunity to work with a leading company in the IT sector
  • Professional development opportunities
  • Collaborative and innovative work environment

About the Company

Arηs Group, part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation, and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science, and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024.

Job Details

Company name:
ARHS Group
Location:
Warsaw, Poland
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
Jul 17, 2026
Last checked:
Jul 17, 2026
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