IT Systems Administrator – Enterprise Infra & Operations

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH); Jakarta Pusat; On-site; IDR 133,920,000 - 200,880,000; Full time

Benefits offered by this job

Medical

Miscellaneous allowance

Attractive Salary

THR

BPJS

Annual Leave

Sick Leave

Job summary

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is seeking a System Administrator to manage and monitor enterprise IT infrastructure supporting shipping, logistics, and operations.

You'\u2019ll handle Windows and Linux servers, Active Directory, DNS, DHCP, Group Policy, and virtualization with VMware/Hyper-V, plus monitoring, backup, and security hardening. Collaboration with Network, Security, and Application teams is essential.

Qualifications

• Experience managing enterprise IT infrastructure and production environments.
• Experience in system monitoring, troubleshooting, and maintenance.
• Knowledge of Windows Server and Linux Server administration.
• Experience with Active Directory, DNS, DHCP, and Group Policy.
• Experience with virtualization technologies (VMware/Hyper-V).
• Experience with TCP/IP, LAN/WAN, VPN, and firewall basics.
• Experience with backup and restore processes.
• Understanding of cloud environments (AWS, Azure, GCP) is a plus.
• Knowledge of IT security and system hardening.
• Experience using scripting tools (PowerShell/Bash).
• Experience with ITSM tools such as ServiceNow, Jira.

Responsibilities

• Manage, maintain, and monitor servers and IT infrastructure.
• Install, configure, patch, and maintain Windows and Linux servers.
• Manage Active Directory, user accounts, permissions, DNS, DHCP, and Group Policy.
• Monitor system performance, availability, and capacity.
• Troubleshoot server, system, network, and application issues.
• Perform regular system backup, restore, and disaster recovery activities.
• Manage system access and security per company policies.
• Coordinate with Network, Security, Application, and Vendor teams to resolve issues.
• Support system implementation, migration, and infrastructure projects.
• Maintain system documentation and operational procedures.
• Ensure system availability and stability to support daily operations.

Skills

Windows Server

Linux Server

Active Directory

DNS

DHCP

Group Policy

Virtualization

Networking

System Monitoring

Backup & DR

Cloud (AWS/Azure/GCP)

IT Security

Scripting

ITSM Tools

Jira/ServiceNow

Tools

ServiceNow

Jira

Job description

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is seeking a System Administrator to manage and monitor enterprise IT infrastructure supporting shipping, logistics, and operations.

You'\u2019ll handle Windows and Linux servers, Active Directory, DNS, DHCP, Group Policy, and virtualization with VMware/Hyper-V, plus monitoring, backup, and security hardening. Collaboration with Network, Security, and Application teams is essential.