Senior IT Infrastructure Engineer (Hybrid)

Promise Group; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Multisport card

Language classes

Fresh fruit Wednesdays

Ice cream summer

Job summary

Promise Group is seeking an Internal IT Administrator to join the IT team in Poland. You will be responsible for administration, maintenance, security, and continuous improvement of internal IT infrastructure, with a hands-on focus on AD, SCCM, backups, RDS, and Defender for Endpoint.

Work alongside IT team members to keep services stable and secure for employees. The role emphasizes ownership, collaboration, and a proactive problem-solving approach, with hybrid work from Warsaw and

Qualifications

• 4+ years of professional IT infrastructure administration.
• Strong hands-on experience with Active Directory / ADDS.
• Practical experience with SCCM, especially software deployment, imaging, and patch management.
• Experience with backup solutions, preferably Veeam and/or Synology.
• Experience administering RDS.
• Experience with Microsoft Defender for Endpoint.
• Good knowledge of Windows Server and Microsoft 365 administration.
• Experience with Intune and endpoint management.
• Good understanding of networking concepts such as DNS, DHCP, VPN, NPS, and 802.1X. Experience with virtualization, preferably Hyper‑V.
• Working knowledge of PowerShell.
• Experience with ADFS and ADCS/PKI.
• Knowledge of Linux administration.
• Experience with Windows Autopilot, Windows Autopatch, or Windows 365.
• Experience with enterprise storage and physical server infrastructure.
• Knowledge of web hosting and public DNS.
• Experience with ITSM tools such as GLPI.
• PowerShell automation experience.
• Strong troubleshooting and problem-solving skills.
• Ability to work independently while being a collaborative team player.
• Good communication skills and a proactive approach to identifying and solving problems.
• Polish language at C1+ level, English at B2+ level.
• Openess to work in a hybrid model from our Warsaw office.

Responsibilities

• Administer and maintain Windows Server infrastructure (ADDS, DNS, DHCP, GPO, File Server/DFS).
• Manage Active Directory users, groups, permissions, policies, and identity-related services.
• Administer SCCM for software deployment, OS imaging, and patch management.
• Manage and monitor backup solutions (Veeam, Synology NAS) and ensure recoveries.
• Administer and maintain Remote Desktop Services (RDS).
• Manage Microsoft Defender for Endpoint, including device onboarding and security policy configuration.
• Administer Microsoft Intune, Autopilot, Windows Autopatch, and other endpoint management solutions.
• Administer Microsoft 365 and Entra ID, including Exchange Online, Teams, SharePoint Online, and OneDrive.
• Maintain and troubleshoot Hyper‑V, physical servers, storage, and server hardware.
• Support VPN, DirectAccess/Always On VPN, NPS, 802.1X, and other core network services.
• Diagnose infrastructure incidents and implement effective solutions.
• Monitor infrastructure performance, availability, and security.
• Maintain web hosting, domains, and public DNS.
• Use PowerShell to automate repetitive administrative tasks.
• Maintain documentation and contribute to IT infrastructure projects and improvements.
• Collaborate with Security Engineer on infrastructure security.
• Support the maintenance and operation of the company's server room and related infrastructure.

Skills

Active Directory

SCCM

PowerShell

Windows Server

Intune

Networking

Linux

Troubleshooting

Tools

Veeam

Synology NAS

Hyper-V

Job description

Promise Group is seeking an Internal IT Administrator to join the IT team in Poland. You will be responsible for administration, maintenance, security, and continuous improvement of internal IT infrastructure, with a hands-on focus on AD, SCCM, backups, RDS, and Defender for Endpoint.

Work alongside IT team members to keep services stable and secure for employees. The role emphasizes ownership, collaboration, and a proactive problem-solving approach, with hybrid work from Warsaw and