System Administrator
- Orange Business
- 8 - 13 years
- Bengaluru
- 4 months ago
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Job Description
Windows Active Directory (AD) Administration
- Administer and manage complex multi-domain, multi-forest AD environments.
- Plan, implement, and optimize Active Directory structure, Group Policies, DNS, DHCP, ADFS, and AD replication.
- Manage FSMO roles, AD trusts, and authentication/authorization escalations.
- Implement and maintain AD security standards, RBAC, OU structures, and delegated administration.
- Handle AD backup, recovery, and disaster recovery testing.
Patch Management
- Lead and manage the enterprise patching process for Windows servers and applications using WSUS/SCCM/Intune or equivalent tools.
- Develop patch management schedules ensuring minimal downtime and business disruption.
- Perform compliance checks and remediation of vulnerabilities identified through internal audits and external security advisories.
- Automate patch deployment and reporting to maintain 100% compliance levels.
- Coordinate with application owners, security teams, and business stakeholders to ensure successful patch rollout.
VMware Virtualization (L3 Support)
- Provide expert-level support for VMware vSphere, vCenter, ESXi, vSAN, and NSX environments.
- Troubleshoot and resolve complex issues related to HA/DRS, vMotion, snapshots, storage, and virtual networking.
- Perform capacity planning, performance tuning, and cluster optimization.
- Manage lifecycle upgrades and patching of VMware infrastructure.
- Support datacenter migration, consolidation, and DR strategy implementation.
Operational Excellence
- Act as a final escalation point for high-priority incidents and ensure quick resolution.
- Perform Root Cause Analysis (RCA) and implement permanent fixes for recurring issues.
- Participate in change advisory board (CAB) meetings and ensure all changes follow ITIL standards.
- Develop and maintain Standard Operating Procedures (SOPs), technical documentation, and knowledge base articles.
- Mentor L1/L2 teams and conduct periodic training sessions.
- Collaborate with OEMs (Microsoft, VMware, Security vendors) for critical issue resolution.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: IT & Information SecurityRole Category: IT Infrastructure ServicesRole: IT Infrastructure Services - OtherEmployement Type: Full timeContact Details:
Company: Orange BusinessLocation(s): Bengaluru+ View Contact
Keyskills: Windows Vmware Active Directory
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Orange Business
Orange Business Services is a global IT and communications services provider, with services in 220 countries. We help companies collaborate more effectively, operate more efficiently and engage better with their customers, connecting their people, sites and machines securely and reliably.
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