IT Systems Engineer

IT Systems Engineer Remote in Serbia About the Role We are looking for an IT Systems Engineer to support and maintain our global IT infrastructure. In this role, you will work closely with Virtuozzo team members worldwide, supporting both physical infrastructure and SaaS systems to ensure the 24/7 availability of servers, services, and internal systems . You will join an established IT team and help scale our infrastructure to support our growing international organization. This role is ideal for someone who enjoys hands-on systems administration, troubleshooting, and continuous improvement of IT operations, meant for Junior to Mid-level candidates. About the Company Virtuozzo is a leader in operating system and related software for cloud service providers, SaaS companies, and other organizations. We offer mainframe-like performance, reliability, and security for hyperconverged infrastructure and services while dramatically lowering overall cost and complexity. We combine deep engineering expertise with a relentless focus on performance, scalability, and innovation. What You’ll Be Doing As part of our IT team, you will: Provide day-to-day support through the IT helpdesk Manage access to SaaS systems, including regular reconciliation Set up and manage email accounts, groups, and calendars (Microsoft 365, Active Directory) Install, configure, and upgrade software for self-hosted systems Perform server maintenance, patching, and upgrades Monitor servers and services, resolving or escalating incidents as needed Troubleshoot outages and prepare RFO (Reason for Outage) documentation when required Support employee onboarding and offboarding IT processes Collaborate with the wider IT and Security teams to document and improve internal workflows Contribute to improving overall IT security hygiene and policies Assist with hardware setup, maintenance, and asset lifecycle management Plan and deliver IT assets to employees What We’re Looking For Required Skills & Experience Minimum 3 years of hands-on experience with Linux administration , including RHEL/CentOS and Debian/Ubuntu Solid understanding of networking fundamentals (TCP/IP, DNS, routing, etc.) Working knowledge of Windows and macOS systems Experience administering Microsoft 365, Exchange Online, and Active Directory Good understanding of IT hardware and system maintenance Strong spoken and written English skills Ability to troubleshoot independently and work collaboratively in a team Nice to Have Experience in an IT helpdesk or customer support environment Exposure to virtualization platforms Experience with technologies such as: Apache, Nginx MySQL, PostgreSQL Zabbix Puppet or Ansible Docker and Kubernetes Why Join Us? Work with an international technology company Clear learning and career growth path in cybersecurity ‍ Hands-on exposure to enterprise infrastructure & SaaS systems Supportive team environment with mentorship Opportunity to grow into Security Engineer or Infrastructure roles This is an excellent entry point into cybersecurity and infrastructure engineering for candidates based in Serbia who want real exposure and long-term career development. What We Offer A role at the forefront of cloud technology with real impact and growth opportunities A collaborative environment where your ideas are valued and shipped Other perks and engagement opportunities (recognition programs, book club rewards etc.) Share options Referral bonuses