Career Objective
Infrastructure and IT Administrator with 4+ years of hands-on experience managing enterprise networks, Windows and Linux servers, and IT security systems. Proven ability to deploy and administer Microsoft 365, Active Directory, and Windows Server environments. Skilled in network configuration, system monitoring, end-user support, and IT documentation. Seeking a role as an MS 365 Administrator, IT Administrator, or Windows System Administrator.
Work Experience
Sr. System Administrator
Mindsquare Technologies (Client – Manipal Hospitals) · May 2026 – Present · Bangalore, India
- Administered and maintained Windows Server environments, ensuring high availability, performance and security across enterprise infrastructure.
- Managed Active Directory services — user and group administration, Organizational Units (OUs), Group Policy Objects (GPOs) and access management.
- Configured and supported DNS, DHCP, file servers and shared resources to ensure reliable network and system operations.
- Provided Microsoft 365 (Office 365) administration, including user provisioning, mailbox management and troubleshooting.
- Executed monthly Windows patching, BIOS/firmware upgrades and vulnerability remediation in compliance with organizational standards.
- Created, reviewed and implemented Change Requests (CRs) for server maintenance, patching, upgrades and planned reboots following ITIL best practices.
- Monitored Active Directory replication, performed health checks and resolved directory service issues to maintain operational stability.
- Managed incident, service request and problem tickets through ticketing systems, consistently meeting SLA targets and reducing resolution times.
- Supported data centre operations — server administration, infrastructure monitoring, security compliance and routine maintenance.
- Mentored and provided technical guidance to L1 support engineers, enhancing team productivity and first-level issue resolution.
IT Administrator (Hardware & Software)
LMS India Pvt. Ltd. · Mar 2025 – Feb 2026 · Noida, UP, India
- Deployed and administered a Domain Controller from scratch on Windows Server 2022 — GPOs, organisational units and user account management for 100+ users.
- Configured and managed a centralised DHCP and DNS server on Windows Server 2022, optimising IP allocation and reducing address conflicts across the network.
- Deployed Zabbix network monitoring on Linux servers, enabling proactive alerting and reducing mean time to detect (MTTD) for infrastructure incidents.
- Configured and maintained enterprise network infrastructure — GrandStream routers (GWN7001/7002/7003), managed switches and access points.
- Enforced network security policies, managed firewall rules and conducted regular system audits to maintain compliance and reduce vulnerabilities.
- Ensured LAN/WAN uptime through redundancy and failover; diagnosed latency, packet loss and bandwidth issues using ping and traceroute.
- Maintained detailed documentation of hardware inventory, network topologies and server configurations in alignment with ITIL best practices.
Technical Support Engineer (Linux & Network)
Vehere Interactive Pvt. Ltd. · Jan 2024 – Mar 2025 · Kolkata, West Bengal, India
- Installed, configured and monitored Linux and Windows servers with RAID arrays and automated backup solutions, maintaining 99%+ uptime.
- Administered Layer 3 switch configurations, routing protocols (OSPF, static routing) and network segmentation in a hybrid on-premise and cloud environment.
- Configured and managed Linux services including DNS, Apache and SSH; streamlined firewall rules to improve security posture.
- Analysed network performance metrics and implemented corrective measures that reduced unplanned downtime by resolving recurring connectivity bottlenecks.
- Collaborated directly with clients to diagnose and resolve infrastructure and connectivity issues, consistently meeting SLA targets.
IT Support Engineer – L1 Network Support
Printlink Computers and Communication Pvt. Ltd. · Dec 2022 – Jan 2024 · Bhubaneswar, Odisha, India
- Configured and maintained Cisco Layer 2/3 switches, ensuring seamless VLAN connectivity and optimal network performance for data centre operations.
- Monitored CPU, memory and storage utilisation, responding to critical alerts to prevent outages and maintain system health.
- Performed preventive maintenance on data centre hardware; assisted with server backup procedures and network disaster recovery drills.
IT Support Engineer
Persistent Networks Pvt. Ltd. · Jan 2022 – Dec 2022 · Bhubaneswar, Odisha, India
- Installed, configured and maintained routers, switches and user devices, ensuring continuous network reliability for business operations.
- Performed root cause analysis on reported network incidents, reducing repeat issue occurrence through structured troubleshooting.
Education
B.Sc. Computer Science — First Class
BCCST, Utkal University, Bhubaneswar, Odisha
2018 – 2021
10+2 (PCM) — First Class
GBHSC, JKBOSE, Bhaderwah, J&K
2015 – 2017