Manila Recruitment

WFH Sr. Network and Systems Administrator (Firewall) - #35234

Manila Recruitment Manila, Metro Manila, Philippines

Staffing and Recruiting · 11-50 employees

11 h ago
Remote Senior (5-10 yrs) Full-time Philippines
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About the role

The role serves as a senior escalation point for complex technical issues and leads infrastructure monitoring, performance optimization, and network security management. Additionally, the administrator will architect solutions, manage user lifecycles, and drive innovation by implementing new technologies.

What they look for

Network Administration Systems Administration Firewall Management Active Directory Azure Office 365 VPN Network Security PowerShell Automation Patch Management Endpoint Protection DNS Hybrid Cloud Infrastructure Monitoring Help Desk Escalation

Requirements

Candidates must have 5+ years of progressive experience in network and systems administration with expert-level knowledge of Active Directory, Azure, and firewall management. A degree in a related field or equivalent work experience is required, along with strong communication skills and a commitment to continuous learning.

Full description

  • Serve as senior escalation point for complex customer and help desk issues, ensuring timely resolution
  • Lead infrastructure monitoring and reporting on health, traffic, performance, vulnerabilities and trends to management
  • Evaluate and optimize existing systems to improve efficiency, scalability, and reliability
  • Design and document workflows, system diagrams, and operational processes for IT and business alignment
  • Architect solutions that balance innovation with financial and resource constraints
  • Plan and implement enterprise network security, including firewall management, VPN configuration, host security, file permissions, and system integrity
  • Manage user lifecycle including provisioning, de-provisioning, and access control across systems
  • Provide technical guidance to help desk, NOC and Engineering teams
  • Lead onboarding and IT orientation for new employees, ensuring smooth integration into company systems
  • Drive innovation by researching, testing, and implementing new technologies to keep the company competitive
  • Quote and scope client hardware requirements and projects.
  • Creatively problem solve within the bounds of available financial resources
  • Degree in related field or equivalent applicable work experience
  • 5+ years of progressive experience in network and systems administration, including help desk escalation and infrastructure support
  • Experience with Firewalls: Sophos, Cisco Meraki, Fortinet, Unify
  • Expert-level knowledge of Active Directory, Enterprise domain controllers, and group policy management, Microsoft Azure, DNS, Microsoft Integrations, Office 365, and hybrid cloud environments
  • Deep understanding of network security, firewalls, VPNs, Routers, WAN/LAN, ACL, intrusion detection/prevention, and endpoint protection
  • Extensive experience with enterprise-scale software deployments, patch management, and automation frameworks
  • High proficiency in PC systems, enterprise applications, and IT management tools
  • Excellent communication skills with the ability to translate technical issues into business impact for stakeholders
  • Commitment to continuous learning and staying current with emerging technologies

Preferably with knowledge in the following tools:

  • Microsoft 365: Admin Center, Exchange, Azure, Identity, etc.
  • RMM : NinjaOne, n-central, Datto, etc.
  • Backup: Cove Data Protect, Commvault, NinjaOne Backup
  • Patching: Microsoft OS Patches, 3rd party Software Patch
  • Network Monitoring: Auvik, ConnectSecure, Solarwinds
  • AI tools: Base 44, Claude,

Advantageous Experience/Skills:

  • SolArc experience
  • Advanced PowerShell scripting skills with proven experience in automation
  • Preferably with IT Certifications (Microsoft, Cisco etc.)
  • Hospitality industry experience