Senior Network Administrator

3 days ago


Karachi, Sindh, Pakistan GCS Pvt Ltd Full time

We are looking for an experienced Network Systems Engineer to join our team at GCS Pvt Ltd.

Job Description:

  • The successful candidate will be responsible for designing, implementing, and managing our internal network infrastructure.
  • This includes the installation, configuration, and monitoring of various network devices such as DNS servers, Active Directory, DHCP, WDS, File Services, DFS, and Print Services.
  • The ideal candidate will have excellent knowledge of network infrastructure/models and troubleshooting steps, as well as a strong background in network administration.
  • The selected candidate will also be responsible for maintaining and configuring virtualization in Windows and Linux environments using VMware Hypervisor VSphere Esxi 5.0/5.5.

Requirements:

  • 3+ years of experience in IT
  • BS/MS degree in Computer Science or related field
  • CCNA certification is mandatory, CCNP preferable
  • Excellent knowledge of network infrastructure/models and troubleshooting steps
  • Installation of LAN/WAN infrastructure/excellent knowledge of understanding IP/Subnetting
  • Good knowledge of analyzing security policy at each OSI 7-layer
  • Good knowledge of network devices (Cisco/Maipu routers, switches), technologies, and protocols. Virtualization, operating different OS using VMware Workstation/Virtual Box/Hypervisor/VCenter
  • Should have basic knowledge of routing protocols (RIP, EIGRP, OSPF, BGP), Access Control (ACL), VPNs
  • Deep knowledge of switching (VLANs)
  • Basic Knowledge of Metro Ethernet Network Layer2/Layer3, QoS, Bandwidth parameter (CIR,CBS,EIR,EBS), EP-Line, EVP-Line, EP-LAN, EVP-LAN, EP-Tree, EVP-Tree
  • Troubleshooting of looping (STP), metro Ring, trunk & access ports, VLANs Maintain Web Servers, DHCP, DNS, File services, Print Services within network environment. Maintain TMG Server 2010, URL Filtering, HTTPS, and Malware Inspection, Web Proxy, Web Caching, Firewall rules. Configurations and Monitoring of CCTV Cameras, DVR/NVR

Operating System:

  • Windows XP, Win 7, Win 8/8.1, Win 10, Linux (Red Hat, Ubuntu, Centos), Windows Server 2003, 2008 R2 & 2012 R2

Software Packages:

  • Solarwinds Orion 10/Engineer tool, Host Monitor, Cacti, PRTG, SecureCRT, SNMP Grapher, Packet Tracer, GNS-3, VMware Workstation, Virtual Box, MS SQL Server 2008, TMG 2010/ISA server, GFI Web Filtering/Monitoring, Mikrotik, Wamp/Xampp, osTickets, MS-Office

Protocols:

  • Monitoring: TCP/IP, SNMP
  • Routing: RIP, RIPv2, EIGRP, OSPF, BGP
  • Switching: STP, RSTP, MSTP, MAC, ARP/RARP, VTP, HSRP, VRRP, GLBP, EIPS, LACP, PAGP EIGRP, OSPF, BGP

Company Overview:

  • GCS Pvt Ltd is a leading name in the security sector of Pakistan, committed to providing top-notch solutions for internal terrorism and crime

Salary:

  • Competitive salary and benefits package

Benefits:

  • Opportunities for career growth and professional development
  • A dynamic and supportive work environment


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