Senior IT Infrastructure & Network Manager

Sumitomo Electric; Cabuyao; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

Sumitomo Electric in Laguna, Cabuyao, Philippines, is seeking an experienced IT Infrastructure Manager to lead and maintain enterprise network infrastructure and data center operations. The role requires coordinating with ISPs, managing AD/DNS/DHCP and server environments, and ensuring high availability in a production-critical setting.

The ideal candidate has 5–8+ years in IT infrastructure with 2–3 years in a supervisory role, preferably with manufacturing exposure and strong problem-solving

Qualifications

• Bachelor’s degree in computer engineering or related field.
• 5–8+ years IT infrastructure experience with 2–3 years in a supervisory role.
• Experience in a manufacturing environment preferred and production-critical support.

Responsibilities

• Manage and maintain enterprise network infrastructure.
• Coordinate with ISP and telecommunications providers.
• Monitor network performance and resolve connectivity issues.
• Manage Active Directory, DNS, DHCP, file servers, and application servers.
• Maintain data center availability, environmental controls, power protection, and security.
• Prepare project plans, budgets, timelines, specs, and technical requirements.
• Performs other duties as may be assigned.

Skills

Network fundamentals

Supervisor experience

TCP/IP

VLAN/Routing & Switching

Firewall & VPN

Active Directory

DNS/DHCP

Windows Server

Data center operations

Vendor & contract mgmt

Education

Bachelor’s degree in computer engineering or related field

Tools

VMware

Windows Server

Network monitoring tools

Job description

Sumitomo Electric in Laguna, Cabuyao, Philippines, is seeking an experienced IT Infrastructure Manager to lead and maintain enterprise network infrastructure and data center operations. The role requires coordinating with ISPs, managing AD/DNS/DHCP and server environments, and ensuring high availability in a production-critical setting.

The ideal candidate has 5–8+ years in IT infrastructure with 2–3 years in a supervisory role, preferably with manufacturing exposure and strong problem-solving