Infrastructure Support Engineer (System & Network)

Netopsys AI Pvt Ltd; Visakhapatnam; On-site; INR 400,000 - 650,000; Full time

Job summary

Netopsys AI Pvt Ltd is seeking an experienced Infrastructure Support Engineer to provide remote and on-site technical support for Singapore-based corporate clients. You will troubleshoot Windows desktops, servers, Active Directory, and Microsoft 365 while addressing networking and VoIP issues.

The role requires strong problem-solving, documentation, and client-facing communication skills, with the ability to take ownership and coordinate with internal teams to ensure timely resolutions.

Qualifications

• Hands-on IT infrastructure and system administration experience.
• Experience with Windows desktops/laptops and hardware troubleshooting.
• Experience with Active Directory users, groups, permissions and folders.
• Experience with Microsoft 365 and Outlook.
• Solid networking fundamentals (TCP/IP, DNS, DHCP, VLAN).
• Familiarity with firewalls and basic network troubleshooting.
• Experience supporting corporate clients remotely.
• Strong analytical and problem-solving abilities.
• Excellent verbal and written communication skills.

Responsibilities

• Provide remote and on-site technical support for Singapore-based corporate clients.
• Troubleshoot Windows desktops, laptops, OS, applications, and hardware.
• Diagnose and resolve Outlook, email, and Microsoft 365 user issues.
• Administer Active Directory users, groups, permissions, shared folders, and mappings.
• Perform Windows Server administration and troubleshooting.
• Diagnose LAN/WAN/TCP/IP/DNS/DHCP/VLAN and internet connectivity issues.
• Configure and troubleshoot firewall policies and network rules.
• Support Grandstream IP Telephony systems and basic VoIP troubleshooting.
• Provide remote support using RDP, UltraViewer, Teams and other tools.
• Troubleshoot incidents, identify root causes, and implement fixes.
• Escalate complex issues and coordinate with internal teams and vendors.
• Maintain accurate incident documentation and resolutions.
• Communicate updates professionally to customers and take ownership.
• Participate in infrastructure projects, maintenance, migration, and support activities.

Skills

Windows Troubleshooting

Active Directory administration

Microsoft 365 support

Networking fundamentals

IP telephony basics

Remote desktop tools

Technical documentation

Customer-focused communication

Tools

RDP

UltraViewer

Microsoft Teams

Remote support tools

Job description

About This Role

We are looking for an experienced Infrastructure Support Engineer to provide system, network, and end-user technical support for our Singapore-based corporate clients. The role involves troubleshooting desktops, Windows Servers, Active Directory, Microsoft 365, networking, firewalls, IP telephony, and enterprise IT infrastructure while ensuring professional and timely resolution of technical issues.

Description

• Provide remote and on-site technical support for Singapore-based corporate clients.
• Troubleshoot Windows desktops, laptops, operating systems, applications, and hardware-related issues.
• Diagnose and resolve Microsoft Outlook, email, and Microsoft 365 user issues.
• Administer Active Directory users, groups, passwords, access permissions, shared folders, and network drive mappings.
• Perform basic to intermediate Windows Server administration and troubleshooting.
• Diagnose LAN, WAN, TCP/IP, DNS, DHCP, VLAN, internet connectivity, and general network-related issues.
• Configure and troubleshoot basic firewall policies, network access rules, and connectivity issues.
• Support Grandstream IP Telephony systems, IP phones, extensions, and basic VoIP troubleshooting.
• Provide remote technical support using RDP, UltraViewer, Microsoft Teams, and other approved support tools.
• Troubleshoot incidents systematically, identify root causes, and implement appropriate corrective actions.
• Escalate complex technical issues when required and coordinate with internal teams, vendors, and service providers.
• Maintain accurate documentation of incidents, troubleshooting activities, configurations, and resolutions.
• Communicate professionally with customers and provide regular updates until issues are resolved.
• Take ownership of assigned incidents and ensure timely resolution in accordance with operational priorities.
• Participate in infrastructure implementation, maintenance, migration, and technical support activities when required.

Requirements

• 2–6 years of hands-on experience in IT Infrastructure, System Administration, Network Support, Desktop Support, or a similar technical support role.
• Good working knowledge of Windows desktops, laptops, operating systems, and hardware troubleshooting.
• Good knowledge of Windows Server administration and Microsoft Active Directory.
• Experience managing Active Directory users, groups, shared folders, file permissions, and network drive mappings.
• Strong understanding of networking fundamentals including TCP/IP, LAN/WAN, VLANs, DNS, DHCP, gateways, routing, and internet connectivity.
• Basic hands-on knowledge of firewall administration, firewall policies, NAT, VPN, and network troubleshooting.
• Experience supporting Microsoft 365, Microsoft Outlook, email configuration, and end-user issues.
• Basic knowledge of IP Telephony, VoIP systems, SIP, or Grandstream products is preferred.
• Familiarity with remote support tools and remote troubleshooting procedures.
• Strong analytical, diagnostic, and problem-solving skills.
• Good verbal and written communication skills with the ability to interact professionally with corporate clients.
• Ability to independently troubleshoot technical issues and take ownership through resolution.
• Ability to prioritize multiple incidents and work effectively in a client-support environment.
• Willingness to continuously learn new infrastructure technologies and enterprise IT solutions.
• Experience with FortiGate firewalls, Cisco switches, Hyper-V, virtualization, NAS, backup solutions, or Linux administration will be an added advantage.