Systems Admin, Sr

Stefanini • Pasay, Metro Manila • Posted June 26, 2026

Position Overview

Job Description
Details: We are looking for a Senior Systems Engineer / SME to manage and evolve large-scale Active Directory and Hybrid Identity (Azure AD / Entra ID) environments supporting enterprise users and global infrastructure operations.WHAT YOU WILL WORK ON
  • Enterprise Active Directory (AD DS) architecture: forests, domains, trusts
  • Group Policy (GPO) design, lifecycle, and security hardening
  • AD replication, DNS, DHCP, and multi-site infrastructure design
  • Azure AD / Entra ID hybrid identity integration
  • Azure AD Connect, ADFS, SSO, and federation services
  • Identity troubleshooting (authentication, replication, DNS issues)
  • IAM collaboration (RBAC, PAM, access governance, security baselines)
  • AD upgrades, migrations, DR planning, and infrastructure optimization
  • PowerShell automation and system improvements
  • Technical leadership, mentoring, and escalation support
    • Job Requirements Details: WHAT WE'RE ...