System Engineer – Enterprise Infrastructure & IT Support

Role Summary

Responsible for administration, configuration, monitoring, and troubleshooting of enterprise IT infrastructure including network, security, servers, cloud, storage, virtualization, and end-user systems. Provides Tier 1–3 IT support across desktops, servers, applications, and communication systems, ensuring high availability, performance, and security.

Key Responsibilities

Network & Security

• Manage, and troubleshoot Fortinet and Palo Alto firewalls, VLANs, Cisco & Aruba switches, routers, and Aruba wireless access points.
• Monitor and maintain network connectivity, performance, and security; resolve Layer 2 issues.
• Manage Cisco Unified Communications Manager (CUCM) and Cisco IP Phones, including VoIP call routing and endpoint registration.

Server & Infrastructure Administration

• Administer Windows Server environments (2016/2019/2022) including Active Directory, Group Policy, DNS, DHCP, IIS Web Server, Application Servers, and File/Print Services.
• Perform server maintenance, patching, monitoring, and troubleshooting of hardware and services.
• Maintenance virtualization platforms (Hyper-V) including VM deployment, resource allocation, and connectivity.

Cloud & Collaboration Services

• Administer Microsoft 365 tenant including Azure AD, Exchange Online, Teams, OneDrive, SharePoint, and Office applications.
• Troubleshoot authentication, mailbox, application, and synchronization issues.

Storage Infrastructure

• Manage, monitor, and troubleshoot Synology NAS and HPE SAN storage systems.
• Ensure storage availability, performance, and connectivity across servers and virtual environments.

Desktop & End-User Support

• Provide Tier 1–3 support for Windows 10/11 and macOS systems, including hardware, OS, software, and network troubleshooting.
• Configure desktops, laptops, printers, peripherals, and domain-joined systems.
• Support enterprise applications, Microsoft Office, and Microsoft 365 client issues.

Monitoring & Incident Management

• Monitor infrastructure health, network devices, servers, storage, virtualization, and endpoints.
• Diagnose and resolve infrastructure incidents; perform root cause analysis.
• Maintain IT documentation, asset inventory, and security compliance.

Technical Environment

Servers & OS: Windows Server 2016/2019/2022, Active Directory, DNS, DHCP, IIS, Application Servers
Cloud: Microsoft 365, Exchange Online, Teams, SharePoint, OneDrive
Networking: Cisco & Aruba Switches/Routers, Aruba APs, Fortinet & Palo Alto Firewalls, VLANs, TCP/IP
VoIP: Cisco IP Phones, CUCM
Virtualization: VMware vSphere
Storage: Synology NAS, HPE SAN
Endpoints: Windows 10/11, macOS
Support: Tier 1–3 IT Support, Desktop, Application, Network, and Infrastructure Support

Job Type: Full-time

Education:

• Bachelor's (Preferred)

Experience:

• System Engineer: 2 years (Required)