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Hiring for IT System Support & IT Network

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Onsite

Hiring for IT System Support & IT Network

PT ABISHAR TECHNOLOGIES INDONESIA

Hiring for IT System Support & IT Network

Skills

SQL QueriesLinuxSystem & Network Administration

1 month ago

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Important information


Contract type:

Freelance / Contract

Salary:

IDR 84,000,000 – IDR 108,000,000 / year

Location:

Jakarta, Indonesia

Work mode:

Onsite

Published on:

22 September 2026

What they need


We are currently hiring for two positions: Network Engineer and IT System Support.

1. Network Engineer

Responsibilities:

  • Manage, maintain, and develop network infrastructure to ensure reliable and efficient IT operations.
  • Configure, maintain, and troubleshoot network devices and infrastructure.
  • Monitor network performance, availability, and security.
  • Handle network security infrastructure including firewall, VPN, IPS/IDS, and related security systems.
  • Support LAN, WAN, SD-WAN, and wireless network infrastructure.
  • Perform network troubleshooting and root cause analysis.
  • Coordinate with internal teams and vendors for network implementation, maintenance, and issue resolution.
  • Maintain network documentation and configuration records.

Requirements:

  • Minimum D3/S1 in Information Technology, Computer Engineering, or related field.
  • Minimum 2 years of experience in Network Engineering / Network Infrastructure.
  • Good understanding of LAN, WAN, SD-WAN, wireless infrastructure, and TCP/IP.
  • Experience with network security such as Firewall, VPN, IPS/IDS, WAF, SIEM, Anti-DDoS, or related technologies.
  • Knowledge of VoIP and IP PABX is an advantage.
  • Understanding of WAN Optimization / WAN Acceleration is an advantage.
  • CCNA certification is preferred/required.
  • Strong troubleshooting and analytical skills.
  • Able to work independently and as part of a team.

2. IT System Support

Responsibilities:

  • Provide IT infrastructure and system support for Head Office operations.
  • Manage and maintain Windows Server, Active Directory, and Windows operating systems.
  • Support LAN, WAN, TCP/IP, and other network infrastructure.
  • Manage endpoint security, antivirus, and endpoint devices.
  • Support Endpoint Management and Mobile Device Management (MDM).
  • Manage NAS, backup, and replication activities.
  • Support virtualization environments and Linux systems.
  • Perform basic SQL Server administration and troubleshooting.
  • Monitor system performance and troubleshoot hardware, software, and infrastructure issues.
  • Maintain IT documentation and coordinate with vendors when required.

Requirements:

  • Minimum S1 in Information Technology, Informatics Engineering, Information Management, Computer Engineering, or related field.
  • Minimum 2 years of experience in IT System Support / IT Infrastructure / System Administration.
  • Hands-on experience with Windows Server 2012–2019 and Active Directory.
  • Good knowledge of Windows 10–11 and PowerShell.
  • Good understanding of TCP/IP, LAN, and WAN.
  • Understanding of SD-WAN and WAN Optimization.
  • Experience with Endpoint Security and Antivirus systems.
  • Knowledge of Endpoint Management and Mobile Device Management (MDM).
  • Experience with NAS, Backup & Replication.
  • Understanding of virtualization and Linux.
  • Basic knowledge of SQL Server 2012–2016.
  • Willing to work on a shifting schedule.
  • Willing to be assigned outside the area when required.
  • Willing to work on Saturday duty/piket when required

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