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Senior System Administrator

2 weeks ago

Delhi NCR, India Delphi Consulting Llc Full time US$ 90,000 - US$ 1,20,000 per year

We are looking to onboard a highly skilled and proactive Onsite System Administrator to be an integral part of the customer's IT operations team. This is a full-time position that goes beyond routine support tasks, requiring hands-on expertise in managing and optimizing a broad range of IT infrastructure components.

The ideal candidate will not only handle day-to-day operational support but will also be deeply involved in system administration, troubleshooting, performance tuning, and infrastructure optimization across Windows Server, Active Directory, Microsoft Exchange, Microsoft 365, endpoint security, and compliance.

Key Responsibilities:

  • Windows Server Administration:
  • Manage, monitor, and optimize performance of Windows-based server infrastructure
  • Perform routine maintenance, troubleshooting, and system upgrades
  • DNS & DHCP Services:
  • Configure, maintain, and fine-tune DNS/DHCP (internal and external)
  • Active Directory (On-Prem & Azure AD):
  • Handle user/group management, AD policies, and Azure AD Connect synchronization
  • Perform GPO administration and directory services optimization
  • Microsoft Exchange (On-Prem & Online):
  • Manage hybrid environment, monitor mail flow, and troubleshoot issues
  • Support mailbox configuration and Exchange Online Protection
  • Email Archiving:
  • Administer Veritas Enterprise Vault and Microsoft Archiving tools
  • Ensure email retention and compliance policies are met
  • Microsoft 365 Administration:
  • Provide operational support for M365 services including Teams, SharePoint, OneDrive
  • Handle user provisioning, permissions, and service configurations
  • Security Management:
  • Configure and administer BitLocker, WSUS, GPO-based security hardening
  • Implement and monitor baseline security controls for Microsoft server infrastructure
  • Patch & Software Management:
  • Manage patching operations using WSUS, Ivanti, and Kaspersky Security Center
  • Ensure timely application of updates and remediation of vulnerabilities
  • Endpoint & Mobile Device Management:
  • Administer device compliance using Kaspersky, Microsoft Intune, Autopilot, and Ivanti MDM
  • Enforce policies for device security and access control
  • Governance & Compliance:
  • Support internal compliance initiatives and regulatory mandates (e.g., NCA, MOE)
  • Identify and close compliance gaps in coordination with the InfoSec/Compliance teams

Required Qualifications & Skills:

  • Minimum 5 years of experience in system administration and infrastructure support roles
  • Strong expertise in Windows Server, Active Directory, and Microsoft Exchange (Hybrid)
  • Hands-on experience with Microsoft 365 administration (Teams, SharePoint, OneDrive)
  • Working knowledge of Veritas Enterprise Vault and Microsoft archiving tools
  • Experience managing patching tools like WSUS, Ivanti, Kaspersky Security Center
  • Proficiency in endpoint management tools including Microsoft Intune and Autopilot
  • Familiarity with compliance frameworks and regulatory mandates such as NCA or MOE
  • Ability to operate independently, take ownership, and contribute to IT projects
  • Strong troubleshooting, documentation, and communication skills

Preferred Certifications (not mandatory but an advantage):

  • Microsoft Certified: Windows Server / Azure Administrator Associate
  • Microsoft 365 Certified: Modern Desktop Administrator Associate
  • Security+ / Other security-related certifications

Key Attributes:

  • Proactive and solution-oriented mindset
  • Strong ownership and accountability
  • Ability to integrate into a customer environment and build trusted relationships
  • Willingness to contribute to continuous improvement and operational excellence