Active Directory Administrator
7 days ago
Role : Active Directory Administrator
Location : Alabang Muntinlupa
Work Type : Hybrid - 12x a month or 3X a week
Work Shift : Regular Shift
Job Description:
PRIMARY RESPONSIBILITIES:
• Active Directory Design & Architecture
o Support and Maintenance of AD forests, domains, and organizational units (OUs)
o Planning and implementing trust relationships and replication strategies
• Group Policy Management
o Creating and managing Group Policy Objects (GPOs)
o Troubleshooting GPO application issues
• Authentication Protocols
o Deep knowledge of Kerberos, NTLM, and LDAP
o Implementing secure authentication and single sign-on (SSO)
• AD Security and Hardening
o Securing domain controllers
o Implementing tiered administration models
o Monitoring and auditing AD activity
• Backup and Disaster Recovery
o AD backup strategies and authoritative/non-authoritative restores utilizing Semperis
o Using tools like Windows Server Backup, Veeam, or Azure Backup
o PowerShell Scripting
o Automating AD tasks using PowerShell
o Writing scripts for bulk user creation, reporting, and cleanup
• Cloud Integration
o Hybrid identity setups with Azure AD
o Synchronization using Azure AD Connect
• Compliance and Auditing
o Ensuring AD configurations meet regulatory standards (e.g., GDPR, HIPAA)
o Using tools like Microsoft Defender for Identity or third-party SIEMS
• Tools & Technologies Familiarity
o Microsoft tools: ADUC, ADSI Edit, RSAT, Azure AD, ADFS
o Third-party tools: Quest, Okta, Ping Identity, SailPoint
o Monitoring: Event Viewer, Sysmon, Splunk, ELK Stack
SECONDARY RESPONSIBILITIES:
1. Windows Administration and Automation
2. Participate to the search and qualification of related solutions such as monitoring/management/administration tools
3. Provide monthly reports on activity, quality and performance of these System Infrastructures.
4. Ensure appropriate documentation, including procedures for the Operations departments
PRIMARY TECHNICAL ABILITIES
• Windows Server Administration
o Installing, configuring, and maintaining Windows Server (2019, 2022)
o Managing server roles and features (e.g., AD DS, DNS, DHCP)
• Domain Controller Management
o Promoting/demoting domain controllers
o Managing FSMO roles and replication
o Monitoring domain controller health
• Group Policy Management
o Creating and linking GPOs
o Troubleshooting GPO application issues
o Using tools like gpresult, , and Group Policy Management Console (GPMC)
• DNS and DHCP Configuration
o Managing DNS zones and records critical to AD
o Configuring DHCP scopes and reservations
• File System and Permissions
o NTFS permissions and inheritance
o Using Access Control Lists (ACLs) and auditing
• User Rights Assignment and Security Policies
o Configuring local and domain security policies
o Managing rights via and GPOs
• Patch Management and Hardening
o Applying security updates and service packs
o Disabling unnecessary services and enforcing secure configurations
• Event Log Monitoring
o Using Event Viewer to audit logon events, replication issues, and policy changes
• PowerShell for AD
o Automating user and group management
o Querying and modifying AD objects
o Managing GPOs and domain controllers
• Task Scheduler and Scripts
o Automating routine maintenance tasks
o Running scripts for backups, cleanups, or reporting
• Hybrid and Cloud Integration
o Azure AD and Windows Server Hybrid Configurations
Managing hybrid identity with Azure AD Connect
Understanding differences between on-prem AD and Azure AD
o Windows Admin Center
Centralized management of Windows Servers and AD roles
SECONDARY TECHNICAL ABILITIES
1. Knowledge on Semperis and back-up setup for Active Directory and Domain Controllers
2. Good knowledge on virtualization technologies like VMWare, Microsoft Hyper-V
3. Knowledge in Network configuration with Palo Alto and Cisco switches
4. Experience with complex software packaging, delivery and maintenance
5. Experience with configuration management tools such as Ansible, Puppet, Chef, etc.
6. Experience with Docker
7. Experience with DevOps environment
8. Knowledge in ITIL framework
BEHAVIOR ABILITIES:
1. 10 years experience in infrastructure, 5+ years of experience in Active Directory, layer 2/3 networking, and storage analysis and troubleshooting
2. Self-motivated, eager to learn in the IT profession
3. Team player must be able to work with people within and outside of the IT department.
4. Customer service oriented
5. Excellent communication skills, verbal and written. English speaking mandatory
6. Ability to analyze and synthesize situations and understand the business constraints
7. Willing to do some traveling
Technical Environment:
● Microsoft Active Directory/Entra ID & Active Directory
● VMWare (Enterprise and EnterprisePlus)
● Nutanix NOS
● Hardware: Dell servers XC720, XC730, R7xx
● OS: W2K3 to W2K12R2 - Linux RHEL 5.x/6.x/7.x
● Ticketing et CMDB CA Service Desk Manager
Note :
Interested candidates feel free to share your updated resume to
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