Senior IT Infrastructure Specialist

1 day ago

Aligarh, Uttar Pradesh, India beBeeNetworkEngineer Full time ₹ 15,00,000 - ₹ 25,00,000
Job Summary

We are seeking a highly skilled Senior IT Infrastructure Specialist to join our team. The ideal candidate will have expertise in network engineering and system administration, with a strong focus on delivering high availability, security, and performance of enterprise IT systems.

Key Responsibilities:
  • Monitor, troubleshoot, and support Layer 2 (switching) and Layer 3 (routing) network infrastructure.
  • Configure and maintain network devices such as switches, routers, firewalls, and wireless access points.
  • Handle VLANs, trunking, STP, port security, and link aggregation.
  • Assist in escalated issues from L1 engineers and coordinate with vendors if required.
  • Perform periodic network health checks, patching, and firmware upgrades.
  • Document network topologies, configurations, and standard operating procedures.
System Administration Responsibilities:
  • Administer Windows/Mac systems Active Directory, DNS, DHCP, and group policies.
  • Perform user account management, access control, and security policy enforcement.
  • Maintain virtualization platforms (VMware/Hyper-V/KVM) and cloud-based environments.
  • Monitor server performance, storage, and backups, ensuring business continuity.
  • Apply OS patches, updates, and security hardening.
  • Support troubleshooting of applications and system-level issues escalated from L1.
Requirements:
  • Bachelor's degree in Computer Science, IT, or related field (or equivalent experience).
  • 3–5 years of experience in networking and system administration roles.
  • Strong understanding of L2/L3 networking (VLANs, STP, OSPF, BGP, TCP/IP, QoS).
  • Hands-on experience with Cisco/Juniper/HP/Aruba switches and routers.
  • Proficiency in Windows/Mac system administration.
  • Knowledge of virtualization (VMware, Hyper-V, or similar).
  • Familiarity with monitoring tools (Nagios, SolarWinds, Zabbix, etc.).
  • Scripting knowledge (PowerShell, Bash, or Python) is a plus.

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