System Administrator for Microsoft and VDI infrastructure

Social Discovery Group is a group of social discovery companies that addresses loneliness, isolation, and disconnection by transforming virtual intimacy into the new normal. Its social entertainment platforms connect people online across different cultures and regions.

• Administer the corporate Microsoft infrastructure, including Active Directory, DNS, DHCP, Certificate Authority (PKI), and Group Policy
• Administer access platforms and their services, including Atlassian, the 1C/ERP application and SQL servers, monitoring, backup, Google Workspace, and Slack
• Support VDI and terminal server farms, administer domain services and certificates, and keep systems patched and documented
• Resolve incidents and service requests within agreed SLAs
• Participate in infrastructure projects, including Active Directory domain migration, VDI farm replacement, application publishing and load-balancing stack replacement, Windows server upgrades, and legacy system decommissioning
• Prepare implementation steps, build test environments, and run pilots for infrastructure projects
• Maintain infrastructure documentation and inventory in NetBox and Confluence
• Participate in the on-call rotation to keep systems available

• Bachelor's degree in Computer Science, IT, or a related field
• At least 5 years of experience administering Microsoft and VDI infrastructure
• Hands-on participation in at least one completed Active Directory domain or forest migration, including object migration between domains and forests with minimal downtime
• Production experience administering VDI or terminal access platforms
• Experience with multi-domain Active Directory, including domains, forests, trusts, replication, FSMO, DFS, GPO, delegation, Kerberos/NTLM, auditing, and deploying new domain controllers
• Experience with domain and forest migration using ADMT/PES, SID History, dependency inventory, and phased migration with minimal downtime
• Experience with DNS zones, forwarders, zone transfers, and split horizon
• Experience with AD CS, including templates, auto-enrolment, revocation, renewal, and TLS lifecycle
• Experience with Citrix or alternative VDI platforms, deployment, golden images, troubleshooting, and Windows 11
• Experience building and operating Windows RDS farms, including Connection Broker, RD Gateway, Session Hosts, published apps, CAL, FSLogix, and MFA (Duo)
• Experience upgrading end-of-life Windows Servers to 2022/2025, WSUS and patching, file services, Veeam backup and restore, and addressing audit findings
• Linux experience with Ubuntu, AlmaLinux, and CentOS/RHEL, including system services and packages, users and access, logs, and troubleshooting
• Experience with nginx and HAProxy load balancing, reverse proxy, publishing, TLS termination, health checks, NLB, and keepalived/VRRP
• Experience with Hyper-V and VMware ESXi, including VMs, host and datastore basics, and snapshots
• Experience with Google Workspace/GCP, including tenants, domains, groups, SSO/OAuth, domain-wide delegation, administration and billing, GWS backup, and GCP projects
• Strong PowerShell skills for routine administration
• Clear communication and collaboration, problem-solving, adaptability, critical thinking about legacy dependencies, attention to detail when planning production changes with rollback in mind, and customer focus
• Fluent Russian and English, at B1 (Intermediate) level or above, for written and spoken communication
• Будет плюсом: Bash or Python, IaC (Terraform, Ansible), VMware Horizon, Azure Virtual Desktop, Amazon WorkSpaces, AWS, Azure, GCP, Hyper-V/VMware/Proxmox, SAN/iSCSI block storage administration, vSAN or an alternative HCI solution, ITIL Foundation or another service management certification

• 28 Calendar days of vacation per year
• 7 Wellness days off per year
• Bonuses of up to $5000 for successful employee referrals
• 50% Payment for professional training, international conferences, and meetings
• Corporate discount for English lessons
• Health benefit compensation of up to $1,000 gross per year per employee if not eligible for corporate medical insurance; may be used for self-purchased health insurance or doctor’s fees for the employee and close relatives (spouse and children)
• Equipped workplace and necessary equipment at company offices or co-working locations; reimbursement of workplace costs up to $1000 gross once every 3 years in other locations, subject to paycheck verification
• Internal gamified gratitude system with bonuses exchangeable for merchandise, team-building activities, massage certificates, and other rewards
• Initial pay level or range will be shared during recruitment and before employment begins