Senior Network Specialist – Multi-Site & Security

CITADEL PACIFIC, LTD. - ROHQ; Taguig; On-site; PHP 900,000 - 1,200,000; Full time

Job summary

CITADEL Pacific Ltd. in the Philippines seeks a Senior Technical Support Specialist to monitor and support our network infrastructure across multiple sites. You will work with the Network Administration, Server and Security teams to resolve incidents and implement improvements ensuring reliable connectivity.

Requirements include 5–8 years of network experience, CCNA or equivalent, and familiarity with firewall technologies and monitoring tools. A hybrid cloud concept background is a plus.

Qualifications

• Bachelor's degree in IT or CS.
• 5–8 years of network support experience.
• Experience with enterprise, multi-site networks.
• Familiarity with firewall technologies (Fortinet, Sophos, Cisco).
• Strong networking fundamentals (TCP/IP, VLAN, routing, switching, wireless).
• Knowledge of network monitoring tools like Site24x7.
• Understanding of cloud networking concepts (Azure; hybrid env preferred).
• CCNA or equivalent; ITIL Foundation preferred.
• CompTIA Network+ / Security+ (optional).
• Microsoft certifications (optional).

Responsibilities

• Provide Level 1–3 network support and incident escalation.
• Troubleshoot connectivity, performance, and access issues.
• Monitor network performance across sites.
• Mentor junior engineers.
• Manage installation, configuration, and maintenance of network infrastructure for multiple sites.
• Support network deployment for new sites and expansions.
• Assist in managing network security tools and enforce IT security standards.
• Manage incidents and service tickets with SLA.
• Maintain network diagrams and SOPs.
• Participate in design discussions and continuous improvement.

Skills

Networking fundamentals

CCNA or equivalent

Firewall technologies

Site24x7 monitoring

Endpoint & web security tools

Cloud networking concepts

TCP/IP

VLAN / routing / switching

ITIL Foundation

CompTIA Network+ / Security+

Microsoft certifications

Teamwork & communication

Education

Bachelor of Information Technology

Bachelor of Computer Science

Tools

Fortinet

Sophos

Cisco

Site24x7

Endpoint security tools

Web security tools

Azure

Job description

CITADEL Pacific Ltd. in the Philippines seeks a Senior Technical Support Specialist to monitor and support our network infrastructure across multiple sites. You will work with the Network Administration, Server and Security teams to resolve incidents and implement improvements ensuring reliable connectivity.

Requirements include 5–8 years of network experience, CCNA or equivalent, and familiarity with firewall technologies and monitoring tools. A hybrid cloud concept background is a plus.