IT Infrastructure Analyst
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on IT infrastructure support involving Windows 10/11, Microsoft 365, Active Directory, Entra ID and network technologies like TCP/IP, DNS, DHCP, VPN, Wi-Fi. Core responsibilities include first and second-level technical support for users and devices, managing accounts, printers, and endpoints. Support extends to Cisco and Palo Alto networking, Avaya/3CX telephony and tasks related to security and infrastructure management initiatives.

newquick applyyou can start ASAP

IT Infrastructure Analyst

Company: Guest Tek

from: 28 August 2026
to: 27 September 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:junior • mid
working mode:hybrid
Warszawa, Ochota
Warszawa, OchotaAleje Jerozolimskie 81View on map

Requirements

Expected technologies

Active Directory
Entra ID

Optional technologies

Cisco
Palo Alto
Microsoft Intune
Defender
Exchange Online
SharePoint
Windows Server
PowerShell
Avaya
3CX

Operating system

Windows

Our requirements

  • Diploma or degree in information technology, computer science, or a related discipline, or equivalent practical experience.
  • Two to four years of progressive IT support or infrastructure experience.
  • Hands-on experience supporting Windows 10/11, Microsoft 365, user accounts, laptops, desktops, and peripherals.
  • Working knowledge of Active Directory, Entra ID, TCP/IP, DNS, DHCP, Wi-Fi, VLANs, and VPN connectivity.
  • Ability to troubleshoot methodically, document work clearly, and recognize when escalation is required.
  • Professional written and verbal communication skills and a strong customer-service orientation.

Optional

  • Experience with Cisco networking and Palo Alto firewalls.
  • Experience with Microsoft Intune, Defender, Exchange Online, SharePoint Online, or Teams administration.
  • Familiarity with Windows Server, virtualization, backups, PowerShell, and monitoring tools.
  • Experience supporting Avaya and/or 3CX telephony.
  • CompTIA Network+, Security+, Microsoft, Cisco, or equivalent certification.
  • Experience working within ITIL-based service management and change processes.

Your responsibilities

  • Provide responsive first- and second-level support for Windows desktops, laptops, mobile devices, printers, peripherals, and common business applications.
  • Diagnose and resolve hardware, software, accounts, printing, connectivity, and application issues, escalating when required.
  • Prepare, deploy, maintain, and recover end-user equipment using approved configurations and security standards.
  • Complete onboarding, role-change, and offboarding tasks, including equipment, accounts, access, and licensing.
  • Provide clear user guidance and maintain a positive, service-focused experience.
  • Administer routine Microsoft 365 tasks involving user accounts, groups, licensing, Exchange Online, Outlook, Teams, OneDrive, and SharePoint Online.
  • Support Active Directory and Entra ID accounts, authentication, permissions, and access-related troubleshooting.
  • Assist with Intune enrollment, device compliance, endpoint configuration, and application deployment.
  • Follow approved access-control and security procedures and promptly escalate suspected security incidents.
  • Troubleshoot local and remote network connectivity, Wi-Fi, DNS, DHCP, VPN, and basic TCP/IP issues.
  • Assist with Cisco switch administration, port configuration, VLAN assignments, network documentation, and device replacement.
  • Assist senior staff with Palo Alto firewall changes, VPN troubleshooting, IPsec tunnels, network configuration reviews, and maintenance activities.
  • Support endpoint protection, patching, vulnerability remediation, security awareness, and other cybersecurity initiatives.
  • Assist with Windows Server, virtualization, backup, monitoring, and recovery activities as assigned.
  • Provide operational support for Avaya and/or 3CX phone systems.
  • Configure handsets, extensions, voicemail, and approved call-routing changes; troubleshoot common voice and connectivity issues.
  • Record accurate troubleshooting notes, resolutions, asset details, and user communications in the service management system.
  • Create and maintain knowledge articles, support procedures, inventories, and technical documentation.
  • Follow incidents, requests, problems, and change processes and contribute ideas that improve service quality and efficiency.
  • Curious and eager to build deeper skills in infrastructure, networking, cloud, and security.
  • Customer-focused, patient, and able to explain technical information in plain language.
  • Organized and dependable, with strong attention to detail and follow-through.
  • Collaborative team member who accepts feedback and shares knowledge.
  • Proactive problem solver who remains composed under pressure.

About the project

The IT Infrastructure Analyst provides first- and second-level technical support for employees, devices, Microsoft 365 services, business applications, networking, and voice systems. The position also assists senior team members with infrastructure, security, firewall, and network initiatives and provides a development path into systems, cloud, networking, or cybersecurity responsibilities.

This is how we organize our work

This is how we work

in house

Working expectations

  • Participate in planned after-hours maintenance and an on-call rotation, as required.
  • Follow change management, security, documentation, and escalation procedures.
  • Perform other IT-related duties consistent with the scope of the position.
Company

Development opportunities we offer

  • external training
  • intracompany training
  • substantive support from technological leaders

Recruitment stages

  • 1.
    Two recruitment stages

Guest Tek

GuestTek is a global leader in broadband technology and interactive solutions for the hospitality industry. Since 1997, GuestTek is the hospitality industry’s most complete IP-based service provider, offering customers superior service and broad product lines tailored to meet the needs of both select and full-service hotels. We operate from 22 countries in 18 global offices to provide our service for our clients in 89 countries, in more than 3900 hotels every day.

This is how we work

IT Infrastructure Analyst
I apply to:
Guest Tek
Warszawa, Ochota

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer