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Vacancy catalog
CHI Software
Open role

System Administrator (Kharkiv, Lviv - hybrid)

CHI Software
Work model
Hybrid
Experience
2+ years
Employment
Not specified
Compensation
Not disclosed
Technology signal
12 tags

Technology context

12

Parsed from the vacancy text; ordered by relevance to this role.

AWSAzureCloudDockerScalabilityLinuxCI/CDPrometheusGrafanaJiraConfluenceDNS

Full listing

Role description

Requirements

  • 2+ years of professional experience as a System Administrator.
  • Solid administration skills in Debian/Ubuntu and Windows Server.
  • Hands-on experience with Microsoft 365 (Admin Center, Exchange Online, Entra ID).
  • Experience with MDM platforms (Intune or analogs).
  • Experience working with Proxmox or other hypervisor/virtualization systems.
  • Strong networking fundamentals: TCP/IP, DNS, DHCP, VLAN, routing, and NAT.
  • Experience configuring firewalls (iptables/nftables or hardware firewalls).
  • Experience setting up and supporting VPN solutions (OpenVPN / IPsec).
  • Good understanding of SSL/TLS and experience with certificate lifecycle management (Let's Encrypt, deployment, renewal).
  • Experience setting up monitoring tools (Zabbix, Grafana, Prometheus, or analogs).
  • Attention to detail regarding access controls and a disciplined habit of documenting completed tasks.

Responsibilities

  • Administering Debian and Ubuntu Linux servers, as well as Windows Server environments (Active Directory, Group Policies).
  • Managing Microsoft 365: user accounts, licenses, Exchange Online, Teams, SharePoint, OneDrive, and security configurations.
  • Managing employee endpoints via MDM solutions (Intune or analogs): laptop and mobile enrollment, security policies, and software deployment.
  • Maintaining Proxmox virtualization: creating and maintaining virtual machines, backups, and updates.
  • Maintaining core networking infrastructure: DNS, DHCP, switches, routers, firewalls, and Wi-Fi.
  • Configuring and maintaining VPN tunnels for secure remote employee access and site-to-site connections (OpenVPN / IPsec).
  • Managing company domain DNS records, issuing, and timely renewing SSL/TLS certificates.
  • Setting up and scaling infrastructure monitoring, and performing incident response.
  • Maintaining comprehensive technical documentation for infrastructure and processes.

Will be a plus

  • Experience with cloud platforms such as AWS or Azure.
  • Experience working with Cloudflare (DNS, proxy, security settings), Docker, GitLab.
  • Experience working with Jira and Confluence.