Server Administrator (Principal) / System Administrator (Principal)

IBEX Global Solutions (Philippines) Inc.; Parañaque; On-site; PHP 1,500,000 - 1,900,000; Full time

Job summary

IBEX Global Solutions (Philippines) Inc. is seeking a Server Administrator (Principal) with extensive experience in designing and implementing enterprise infrastructure across on‑premises and hybrid cloud environments.

This hands‑on SME role focuses on infrastructure architecture, cloud modernization, and enterprise migrations, acting as a senior technical escalation point (L3). The ideal candidate has led end‑to‑end implementations and produced architecture and design documentation, supporting

Qualifications

• 7+ years of Enterprise Wintel / Infrastructure Engineering experience.
• 5+ years of Hybrid Cloud or Cloud Infrastructure Engineering.
• Proven experience designing and deploying enterprise infrastructure solutions.
• Strong hands‑on experience with: Microsoft Exchange & Microsoft 365, Active Directory & Entra ID, Windows Server, DNS, DHCP, Group Policy.
• VMware ESXi & Hyper‑V experience.
• AWS & Azure (IaaS, PaaS, Networking, IAM, Governance, Landing Zones).

Responsibilities

• Design, deploy, and support enterprise hybrid infrastructure.
• Administer Microsoft Exchange, Microsoft 365, Active Directory, Entra ID, IAM, DNS, DHCP, and Windows Server.
• Design and implement AWS and Azure hybrid cloud solutions, including networking, security, governance, and Landing Zones.
• Manage VMware ESXi and Hyper‑V environments.
• Lead on‑premises to cloud migration and infrastructure modernization projects.
• Serve as the L3 technical escalation point for complex infrastructure issues.
• Produce architecture, design, and implementation documentation.

Skills

Enterprise Wintel

Hybrid Cloud

Infrastructure design

L3 escalation

Tools

Azure

AWS

VMware ESXi

Hyper‑V

Active Directory

Job description

About the Role

We are seeking a Server Administrator (Principal) with strong experience designing and implementing enterprise infrastructure across on-premises and hybrid cloud environments.

This is a hands‑on technical SME role focused on infrastructure architecture, cloud modernization, and enterprise migrations. The ideal candidate has led end‑to‑end implementations and serves as a senior technical escalation point (L3).

Key Responsibilities

• Design, deploy, and support enterprise hybrid infrastructure.

• Administer Microsoft Exchange, Microsoft 365, Active Directory, Entra ID, IAM, DNS, DHCP, and Windows Server.

• Design and implement AWS and Azure hybrid cloud solutions, including networking, security, governance, and Landing Zones.

• Manage VMware ESXi and Hyper‑V environments.

• Lead on‑premises to cloud migration and infrastructure modernization projects.

• Serve as the L3 technical escalation point for complex infrastructure issues.

• Produce architecture, design, and implementation documentation.
  

Required Qualifications

• 7+ years of Enterprise Wintel / Infrastructure Engineering experience.

• 5+ years of Hybrid Cloud or Cloud Infrastructure Engineering.

• Proven experience designing and deploying enterprise infrastructure solutions.

• Strong hands‑on experience with:

• Microsoft Exchange & Microsoft 365

• Active Directory & Entra ID (Azure AD)

• Windows Server, DNS, DHCP, Group Policy

• VMware ESXi & Hyper‑V

• AWS & Azure (IaaS, PaaS, Networking, IAM, Governance, Landing Zones)
  

Must have experience:

• Designing and implementing enterprise infrastructure solutions.

• Leading on‑premises to cloud migration projects.

• Acting as an L3 technical escalation point.

• Creating architecture and technical design documentation.

• Supporting large enterprise or global environments.
  

Nice to have experience:

• Veeam Backup & Replication

• Datadog, SolarWinds, Azure Monitor, or CloudWatch

• Azure Solutions Architect, AWS Solutions Architect, Microsoft 365, ITIL, or Security certifications

Ideal Candidate

We're looking for someone who has:

• Designed and implemented enterprise infrastructure—not just supported it.

• Strong Microsoft Exchange and Microsoft 365 administration experience.

• Hands‑on deployment of DNS, DHCP, Active Directory, and Entra ID.

• Experience architecting AWS and Azure hybrid cloud environments.

• Independently led infrastructure projects and major technical escalations.