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Active Directory Admin - Infrastructure & Support

Active Directory Admin - Infrastructure & Support

TOCUMULUSChennai, India
16 days ago
Job description

Location : Chennai / Bangalore

Roles & Responsibilities :

Active Directory Administration :

  • Administer and manage Active Directory (AD) environments, including user and group management, access control, and directory services policies.
  • Ensure high availability and reliability of AD services, including Global Catalog, Domain Controllers, and replication.
  • Monitor and maintain Active Directory health and performance, including resolving replication issues and ensuring proper functioning of AD sites and services.

DNS & DHCP Management :

  • Configure, manage, and troubleshoot DNS and DHCP services to ensure seamless name resolution and IP address allocation within the AD environment.
  • Monitor DNS records, troubleshoot DNS issues, and ensure that DNS configurations are consistent across all network components.
  • Administer and manage DHCP scopes, leases, and servers, ensuring efficient address allocation.

    • Public Key Infrastructure (PKI) Management :

  • Administer and manage PKI infrastructure, including the deployment, management, and renewal of digital certificates.
  • Ensure compliance with internal and external certificate policies and ensure the secure handling of certificates within the organization.
  • Troubleshoot and resolve issues related to certificate deployment and validation within the Active Directory environment.
  • AD Connect & Azure Active Directory (AAD) Integration :
  • Manage and configure Azure AD Connect to synchronize on-premises AD with Azure Active Directory (AAD).
  • Ensure seamless hybrid identity management, including synchronization of user accounts, groups, and other directory objects between on-premises AD and Azure AD.
  • Troubleshoot and resolve synchronization issues and manage the integration of identity and access management across both on-premises and cloud environments.

    • Security & Compliance :

  • Implement and enforce security policies across the Active Directory environment to ensure that sensitive data and access are protected.
  • Manage Group Policy Objects (GPOs) to control user and system settings across the organization.
  • Ensure compliance with organizational security standards and best practices related to Active Directory, DNS, DHCP, PKI, and cloud integrations.

    • Incident & Troubleshooting :

  • Provide expert-level troubleshooting and resolution for Active Directory, DNS, DHCP, PKI, and AAD integration-related issues.
  • Address incidents related to authentication, access control, DNS resolution, and system outages.
  • Collaborate with internal teams to identify root causes and implement effective solutions.

    • Backup, Recovery & Documentation :

  • Regularly back up Active Directory databases and system configurations, ensuring disaster recovery readiness.
  • Implement and test disaster recovery plans for Active Directory and related services (DNS, DHCP, PKI).
  • Maintain accurate documentation of Active Directory configurations, security policies, and troubleshooting steps.

    • User Support & Training :

  • Provide user support for Active Directory-related issues, including password resets, group memberships, and user access requests.
  • Educate end-users on best practices related to Active Directory, security, and authentication. Develop training materials and knowledge base articles to assist users and administrators.

    • Nutanix AHV Management :

  • Deploy, manage, and optimize Nutanix Acropolis Hypervisor (AHV) for virtualized infrastructure.

    • Virtual Machine Management :

  • Configure and maintain virtual machines (VMs) and associated resources in the AHV environment, including storage, networking, and security.

    • Troubleshooting & Optimization :

  • Proactively monitor the AHV environment for performance, capacity, and availability, resolving issues as they arise and recommending optimizations.

    • Upgrades & Patches :

  • Perform regular system updates, patches, and firmware upgrades to maintain security and stability of the Nutanix AHV hypervisor and underlying infrastructure.

    • Automation & Scripting :

  • Leverage automation tools and scripting (e.g., Python, PowerShell, or Ansible) to streamline tasks and improve efficiency.

    • Backup and Recovery :

  • Implement and manage disaster recovery plans, ensuring backups and recovery strategies are tested and executed effectively.

    • Collaboration with IT Teams :

  • Work closely with network engineers, storage administrators, and system architects to ensure seamless integration of Nutanix AHV with other enterprise infrastructure components.

    • Documentation :

  • Maintain detailed documentation of configurations, procedures, and best practices for AHV deployment and management.

    • Training & Support :

  • Provide training and technical support to internal teams on Nutanix AHV best practices and troubleshooting methods.

    • Job Specific Knowledge / Soft Skill :

  • Good knowledge of Company operations and business across various sectors.
  • Analytical thinking
  • Ability to prioritize actions and work within a diverse team.
  • Ability to work in a dynamic fast paced, diverse environment.
  • Excellent communication skills, both written and verbal
  • Microsoft Office
  • Experience in managing effective communications across multiple business area and to different seniority levels

    • Education :

  • Bachelor’s degree in Computer Science or another IT related field
  • Microsoft Certified : Azure Administrator Associate or similar Azure AD certifications.
  • Microsoft Certified : Active Directory, Windows Server, or MCSA certifications.
  • Microsoft Certified : Security, Compliance, and Identity Fundamentals or related certifications.
  • CompTIA Security+ or related security certifications are a plus.
  • Nutanix Certified Professional (NCP) or Nutanix Certified Advanced Professional (NCAP) certification.
  • Hands-on experience with HCI (Hyper-Converged Infrastructure) solutions and the Nutanix platform.

    • Experience

  • 7+ years’ Experience
  • Proven experience in administering Active Directory (AD), including user management, group policies, replication, and disaster recovery.
  • Hands-on experience with DNS, DHCP, and PKI management.
  • Expertise in managing and configuring Azure AD and Azure AD Connect for hybrid cloud environments.
  • Experience in managing and troubleshooting Group Policy Objects (GPOs) and Active Directory security.
  • Familiarity with PowerShell scripting for automation of Active Directory and server management tasks.
  • Experience with Active Directory Federation Services (ADFS) and Azure AD Join is a plus.
  • Proven experience with Nutanix AHV, including installation, configuration, and management.
  • Strong understanding of virtualization technologies, including VMware, Hyper-V, or other hypervisors.
  • Experience with Nutanix Prism and Acropolis management tools.
  • Expertise in networking, storage, and security within virtualized environments.
  • Experience with automation tools like Ansible, Terraform, or Python for infrastructure management.
  • Familiarity with Nutanix AOS (Acropolis Operating System) and Nutanix Files.
  • Experience with disaster recovery and high availability (HA) strategies in a virtualized infrastructure.
  • Understanding of cloud environments and hybrid cloud architectures.
  • Troubleshooting skills for both hardware and software issues, including logs, alerts, and performance tuning.

    • Additional Information :

    This role requires a proactive, detail-oriented administrator with a strong focus on security, availability, and troubleshooting. The successful candidate will play a key role in ensuring the integrity and performance of Active Directory and related services across both on-premises and cloud environments.

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