Senior System Administrator

CenturyIQ; Mumbai; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

CenturyIQ Solutions India Private Limited in Mumbai is seeking a Senior System Administrator to manage and optimize our IT infrastructure. The role requires hands-on expertise with Microsoft 365, server and storage administration, and hybrid cloud setups to ensure high availability and security.

You will handle Active Directory, virtualization, backups, telephony systems, and IT asset management while coordinating with vendors and ensuring compliant, scalable operations across on‑prem and cloud

Qualifications

• 6+ years of experience in IT infrastructure administration or similar role.
• Strong hands-on experience with Microsoft 365 administration (Exchange Online, SharePoint, Teams, Azure AD/Entra ID, Intune).
• Solid knowledge of Windows Server administration (Active Directory, DNS, DHCP, Group Policy).
• Experience with storage systems (SAN/NAS) and backup/disaster recovery solutions.
• Proficiency in virtualization technologies (VMware, Hyper-V).
• Experience managing hybrid cloud environments (Azure/AWS) and cloud-to-on-prem integrations.
• Working knowledge of IT asset management tools and processes.
• Hands-on experience administering telephony/VoIP/PBX systems such as 3CX, CloudTalk, Cisco, Grandstream, Yealink PBX.
• Strong understanding of network fundamentals (LAN/WAN, firewalls, VPN, switching/routing).
• Familiarity with IT security best practices and compliance frameworks.
• Proven experience in vendor management — contract negotiation, SLA tracking, and coordination with IT service/telecom providers.
• Excellent problem-solving, analytical, and communication skills.

Responsibilities

• Manage IT infrastructure including servers, networks, storage, and endpoints.
• Ensure system availability, performance, security, and proactive issue resolution.
• Administer Microsoft 365 services: Exchange Online, Teams, SharePoint, OneDrive, Entra ID, and Intune.
• Manage user accounts, licenses, MFA, Conditional Access, and DLP policies.
• Support Azure/AWS cloud services, provisioning, monitoring, backup, and optimization.
• Install and maintain Windows/Linux servers and virtualization platforms (VMware/Hyper‑V).
• Maintain IT asset inventory, software licensing, procurement, and lifecycle management.
• Manage VoIP/PBX systems and telephony configurations.

Skills

Microsoft 365 administration

Windows Server administration

Storage & backup

Virtualization (VMware/Hyper-V)

Hybrid cloud (Azure/AWS)

IT asset management

Telephony/VoIP/PBX

Networking fundamentals

Security & compliance

Vendor management

Job description

CenturyIQ Solutions India Private Limited, based in Mumbai, is the dedicated captive unit of Century Financial, UAE. The organization delivers high-impact knowledge process services across trading systems, financial infrastructure, and capital markets technology, supporting outsourced technology and operations functions for Century Financial.

Role Overview:

We are looking for an experienced Senior System Administrator to manage, maintain, and optimize our organization's IT infrastructure. The ideal candidate will have strong hands‑on expertise in Microsoft O365, Server & Storage administration, On‑Premises and Cloud services, IT Asset Management, and Telephony systems. This role requires a proactive professional who can independently handle end‑to‑end IT operations while ensuring high availability, security, and performance of all IT systems.

Key Responsibilities:

• Manage and maintain IT infrastructure including servers, networks, storage, and endpoint devices.
• Ensure system availability, performance, security, and proactive issue resolution.
• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, OneDrive, Entra ID, and Intune.
• Manage user accounts, licenses, access controls, MFA, Conditional Access, and DLP policies.
• Support Azure/AWS cloud services, provisioning, monitoring, backup, and optimization.
• Install, configure, and maintain Windows/Linux servers and virtualization platforms (VMware/Hyper‑V).
• Manage storage systems, backups, disaster recovery, and capacity planning.
• Administer Active Directory, DNS, DHCP, Group Policy, and hybrid cloud connectivity.
• Maintain IT asset inventory, software licensing, procurement, and lifecycle management.
• Support VoIP/PBX systems including 3CX, CloudTalk, Cisco, Grandstream, and Yealink.
• Manage telephony configurations, SIP trunks, call routing, IVR, and troubleshooting.
• Manage IT vendors, contracts, SLAs, renewals, and service coordination.
• Implement security controls, endpoint protection, patch management, and compliance practices.
• Provide Level 2/3 technical support and maintain IT documentation.

Requirements:

• 6+ years of experience in IT infrastructure administration or a similar role.
• Strong hands‑on experience with Microsoft 365 administration (Exchange Online, SharePoint, Teams, Azure AD/Entra ID, Intune).
• Solid knowledge of Windows Server administration (Active Directory, DNS, DHCP, Group Policy).
• Experience with storage systems (SAN/NAS) and backup/disaster recovery solutions.
• Proficiency in virtualization technologies (VMware, Hyper‑V).
• Experience managing hybrid cloud environments (Azure/AWS) and cloud-to-on-prem integrations.
• Working knowledge of IT asset management tools and processes.
• Hands‑on experience administering telephony/VoIP/PBX systems such as 3CX, CloudTalk, Cisco, Grandstream, and Yealink PBX.
• Strong understanding of network fundamentals (LAN/WAN, firewalls, VPN, switching/routing).
• Familiarity with IT security best practices and compliance frameworks.
• Proven experience in vendor management — contract negotiation, SLA tracking, and coordination with IT service/telecom providers.
• Excellent problem-solving, analytical, and communication skills.
• Ability to manage multiple priorities and work independently under pressure.

Preferred Certifications (Nice to Have)

• Microsoft Certified: Modern Desktop Administrator / M365 Certified