Infrastructure Security Specialist

Responsibilities

• Schema Administrator :
• Maintains security and integrity of schema
• Oversees modifications to schema
• Full disaster recovery plan and practice of schema recovery
• Enterprise Administrator :
• Creation and management of the forest
• Overall security and reliability of the forest
• Creation and removal of domains
• Management of trust relationship with other domains
• Full disaster recovery plan and practice of trust recovery
• Domain Administration :
• Creation and management of directory infrastructure
• Monitoring and reporting associated with the reliability and security of the domain
• Domain Controller Management
• Policy monitoring and compliance
• Secure remote administration of the DCs and member servers managed by the Infrastructure Group
• Manage group policy at root of domain and for Domain Controllers OU
• Manage the root Users and the root Computers OUs
• Install and manage security reporting tools used to monitor changes to the Active Directory
• Coordinate and configure alarm distribution to OU Admins for OU-related events
• Plan and manage all migrations and upgrades related to the AD or the DCs
• Ensure overall security and integrity of their managed OU hierarchy
• Group Policy Object (GPO) creation, troubleshooting, and management
• Publishing resource objects from their OU hierarchy in the Active Directory as applicable
• Manage Group Policy Object (GPO) links within their OU hierarchy, ADMX File Management
• Configure and Manage DHCP and DNS
• Day to day Troubleshooting related to DHCP and DNS
• Creation / deletion of static DNS records / zones on Active Directory integrated & standalone DNS servers
• Implementation of aging / scavenging on different domains
• DNS server Health check
• Troubleshooting operational AD issues reported by users / application owners & SCOM system alerts
• Promotion / decommission of Domain Controllers
• Plan and implement migrations / upgrades / Updates / patching
• Active Directory Federation Services (ADFS) management
• PKI infrastructure management, Certificate infrastructure management
• Infrastructure health monitoring, Backup and restore
• MS Azure : Tenant Administration, Identity Management, AAD Sync, Sentinel, Conditional Access, MFA, Modern Authentication, Azure B2C Tenants
• Incidents, Problems & Service request resolution adhering to SLA
• Implementation of system change requests and releases
• Perform Root cause analysis & Impact assessments
• Understanding, analysis and timely resolution of issues faced during System Configuration / support cycles
• Minimum Educational Qualification Required : Graduate (BE / B-tech / MCA / BCA)
• Minimum Experience Required : 10 to 14 years

Required Skills