Senior IT Infrastructure Systems Administrator

About the role

This position supports Hitachi Digital Global India's IT infrastructure, ensuring optimal performance, reliability, and security of servers, networks and related services.

Key responsibilities

• Administer and maintain Windows and Linux server operating systems, including installation, configuration, patching and troubleshooting.
• Perform network administration tasks such as configuring and monitoring switches, routers, firewalls and VPNs.
• Monitor system performance and availability, proactively identifying and resolving issues.
• Participate in incident response, problem management and documentation of configurations and procedures.
• Collaborate with other IT teams to support business needs and assist junior team members.

Required profile

• Bachelor's degree in Computer Science, IT or related field, or equivalent practical experience.
• Minimum 3 years of experience in IT infrastructure systems administration.
• Strong knowledge of Windows Server services (Active Directory, DNS, DHCP, Group Policy).
• Solid experience with Linux distributions such as Red Hat, CentOS or Ubuntu.

Required skills

• Windows Server administration
• Active Directory, DNS, DHCP, Group Policy
• Linux server administration (Red Hat, CentOS, Ubuntu)
• Cloud platform fundamentals
• Network concepts and protocols (TCP/IP, VLANs, routing, firewalls)
• IT security principles and best practices