Lenovo

Job Responsibilities

• Administration and troubleshooting of Windows Servers (Preferably Windows 2008 R2, Windows 2012, Windows server 2003).
• Able to Install of windows servers and has good troubleshooting skills for Wintel systems, knowledge in hardening and securing of Wintel systems.
• Advanced level of Administration of Windows server with active directory, DNS, DHCP and High Availability.
• Understanding of RAID, pros and cons of various RAID levels and decision making on the same in a given situation
• Microsoft cluster configuration, administration and troubleshooting.
• Working experience with various storages, precisely for cluster configurations is good to have.
• Working knowledge in SAN environment and storage space management from systems side is good to have.
• File system and quota management.
• Experience and knowledge on FTP and SFTP Client and Server Model.
• Experience and knowledge with installing and implementing VMware ESX server, VMware virtual Center, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter VM Backup products and other products for virtualization would be advantages.
• Experience provisioning, operating, and maintaining systems running on Azure

Active Directory Concepts:

• Understand and explain Domain & Forest structures, Organizational Units (OUs), Schema, and Global Catalog.
• Use tools like nltest, dsquery, and netdom for AD troubleshooting.

AD Infrastructure Components:

• Manage Domain Controllers including recovery methods (authoritative and non-authoritative restore, 3rd party tools).
• Diagnose and troubleshoot replication issues using repadmin and dcdiag.
• Understand and manage FSMO Roles, including their purposes and recovery procedures.
• Configure and manage DHCP, including scopes, SuperScopes, Failover, Static IPs, Reservations, Exclusions, and DNS settings.
• Utilize DNS tools such as Nslookup, Test-DnsServer, ipconfig, tracert, and DNS Query.
• Support and troubleshoot Active Directory Federation Services (AD FS) for SSO.
• Address time synchronization issues using NTP.
• Create and troubleshoot gSMA Accounts.

Authentication and Authorization:

• Manage Kerberos authentication for both Windows and non-Windows (Linux) systems.
• Maintain and resolve LDAP authentication issues.
• Implement and manage Access Control Lists (ACLs) effectively.

Group Policies:

• Enforce configurations on users and computers through Group Policy Objects (GPOs).
• Use GPOs to manage security settings, software installations, and scripts.

AD Management Tools:

• Proficient in Active Directory Users and Computers (ADUC).
• Intermediate to expert skills in PowerShell.
• Knowledge of AD Administrative Center (ADAC) is a plus.

Integration with Other Services:

• Support AD FS onboarding and troubleshooting for SSO solutions.

Troubleshooting and Diagnostics:

• Review and analyze event logs to identify and resolve issues.

Tech Refresh:

• Study and propose improvements for AD design best practices.
• Implement and upgrade DC, DHCP, and DNS roles on newer OS versions.
• Understand and manage AD functional levels and raise them as necessary.

Windows Patching:

• Enroll new servers with WSUS & SCCM, manage monthly patches, and troubleshoot patching issues.

Business-As-Usual (BAU) Duties:

• Take ownership of and resolve assigned tickets within SLA.
• Create and improve Standard Operating Procedures (SOPs).
• Collaborate with team members and mentor junior engineers.
• Exhibit flexibility with working hours and maintain professionalism in customer interactions.
• Ability to identify and gather requirements to define a solution to be built and operated on Azure
• Capabilities to provide AZure operations and deployment guidance and best practices throughout the lifecycle of a project
• Experience with application / data migration to AWS
• Understanding about the ITIL process
• 5 - 8 Years of System Administration Experience is must.
• Must be a Graduate in Engineering / Science / Diploma in Computers
• Preferably with any two of the given Certification – MCSE / VMWare Certification
• Must have good communication & Interpersonal Skills
• Must be customer-focused
• Good problem-solving skills