Active Directory Admin

2 weeks ago


Chennai, India TOCUMULUS Full time

Location: Chennai/BangaloreRoles & 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 levelsEducation:- 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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