Windows System Engineer - Microsoft 365 Expert
CETIN d.o.o.
Adrese mesta rada
- Beograd, Omladinskih brigada 90
04.10.2025.

Windows System Engineer - Microsoft 365 Expert
About the Role:
We are seeking a highly skilled Windows System Engineer with advanced expertise in the Microsoft 365 ecosystem to join our dynamic infrastructure team. You will play a key role in designing, implementing, and maintaining secure, scalable, and high-performing Windows-based environments, while driving adoption and optimization of the full O365 stack across the organization.
Join us to be part of a team shaping the future of telecommunications!
ROLE OVERVIEW:
- Administer and maintain Windows Server environments (2016/2019/2022), Active Directory, DNS, DHCP, and Group Policy.
- Lead deployment, configuration, and lifecycle management of Microsoft 365 services including Exchange Online, SharePoint Online, Teams, OneDrive, and Intune.
- Implement and manage hybrid identity solutions (Azure AD Connect, SSO, MFA).
- Monitor and optimize system performance, availability, and security.
- Collaborate with security and compliance teams to enforce data protection policies across M365.
- Troubleshoot complex issues across Windows and O365 platforms, ensuring minimal downtime.
- Automate routine tasks using PowerShell and other scripting tools.
- Participate in disaster recovery planning and execution.
- Provide technical guidance and mentorship to junior engineers.
MAIN REQUIREMENTS:
- Proven experience as a Windows System Engineer in enterprise environments.
- Deep knowledge of Microsoft 365 services and administration portals.
- Strong understanding of Active Directory, Azure AD, and hybrid identity models.
- Proficiency in PowerShell scripting for automation and reporting.
- Experience with Exchange migrations, Teams governance, and SharePoint architecture.
- Solid grasp of networking fundamentals and security best practices.
- Excellent problem-solving and communication skills.
- Microsoft certifications (e.g., MS-102, AZ-104, SC-300) are a strong plus.
What we offer:
- Open working space and flexible working hours
- Training and development programs
- 25 days paid holiday leave per annum
- Laptop, mobile phone and tariff package in line with company policy
- Private health insurance
- Recreation or health program
- Participation in annual bonus system
- Competitive terms and conditions
Only shortlisted candidates will be contacted.

CETIN International čini četiri infrastrukturna operatora – CETIN Bugarska, CETIN Mađarska, CETIN Srbija i CETIN Slovačka. Kao organizacija koja konstantno radi na unapređenju, fokusirani smo da implementiramo infrastrukturu svetske klase i odgovorimo na izazovne zahteve tržišta. Verujemo da predvodimo digitalnu transformaciju kroz usluge koje pružamo. CETIN je osnovan u Srbiji jula 2020. godine, izdvajanjem od matične kompanije Telenor Srbija kao pružalac fiksnih i mobilnih infrastrukturnih usluga…
Iskustva zaposlenih
"U firmu sam došao 2016. godine i započeo karijeru u sektoru operacija kao deo RAN Operations tima stekavši najpre iskustva u radu sa GSM/UMTS/LTE mobilnim komunikacionim tehnologijama. Vremenom se ukazala ... " Pročitajte celo iskustvo
Beneficije
- Timska druženja
- Hrana i piće
- Obezbeđena oprema za rad
- Porodica i roditeljstvo
- Fleksibilno radno vreme
- Dodatni slobodni dani
- Dobrovoljno zdravstveno osiguranje
- Sport i rekreacija
- Wellness
- Edukacija, profesionalni razvoj
- Nagrade, bonusi, pokloni
- Kompanijski popusti