Senior System Administrator/Infrastructure Engineer

About the RoleWe are looking for a hands-on System Administrator to manage and support our on-premise IT infrastructure. This role is responsible for maintaining high availability, security, and operational stability of local systems. The ideal candidate is structured, proactive, security-aware, and comfortable working in a regulated environment (fintech).

Responsibilities

Administration of Windows and Linux servers (AD, DNS, DHCP, File Services)

Management of virtualization platforms (VMware / Hyper-V)

Support and maintenance of the on-premise equipment

Backup administration and restore testing

Monitoring system health and availability

Patch management and vulnerability remediation

Managing local integrations with cloud services and migration to AWS

Maintaining technical documentation and runbooks

Participating in BCP/DR testing (including DR site switchovers)

Vendor coordination for on-site hardware and connectivity

Supporting office expansions or relocations

Required Qualifications

3–5+ years experience as System Administrator / IT Infrastructure Engineer

Strong knowledge of:

Windows Server (AD, GPO, DNS, DHCP)

TCP/IP networking fundamentals

VLANs, routing, firewall basics

Virtualization (VMware or Hyper-V)

Experience with backup solutions

Understanding of IT security best practices

Experience in regulated environment is a plus

Good written and spoken English

Nice to Have

AWS experience

Linux administration

Experience with monitoring systems (Zabbix / Prometheus / etc.)

ITIL understanding

Scripting skills (PowerShell / Bash)

Experience in fintech or banking sector