Senior Enterprise Network Architect

Liaquat National Hospital; Karachi Division; On-site; PKR 1,620,000 - 1,980,000; Full time

Job summary

Liaquat National Hospital in Karachi seeks an experienced Enterprise Network Engineer to install, configure, upgrade, and monitor multi-site LAN/WAN, MPLS, and internet-facing networks across the organization.

You will design high-availability architectures, manage switches/routers, firewalls, and security policies, and work with monitoring tools like SolarWinds and PRTG to ensure optimal performance and rapid fault resolution.

Qualifications

• Bachelor’s or Master’s degree in Information Technology, Computer Science, or a related field.
• Minimum 5 years of hands-on experience in enterprise network administration, supporting LAN, WAN, MPLS, and internet-facing networks in large-scale environments.
• Strong expertise in network performance optimization, routing and switching, firewall security, and high-availability architectures.
• Experience managing core/distribution layer switches and multi-vendor environments (Cisco, Huawei).
• Hands-on experience with monitoring tools SolarWinds and PRTG for proactive fault detection.

Responsibilities

• Install, configure, upgrade, and monitor enterprise network devices for high availability.
• Design and manage Layer-2/3 networks including VLANs, ACLs, STP/RSTP, QoS, and routing protocols.
• Manage traffic across access, distribution, and core layers for low latency and fault tolerance.
• Troubleshoot routing loops, broadcast storms, and performance bottlenecks.
• Configure and manage firewalls (Cisco ASA, FortiGate) and security rules for internal/DMZ networks.
• Design and maintain DMZ architecture for public-facing services.
• Administer MPLS circuits and optimize network performance across sites.
• Deploy and manage enterprise wireless solutions and firmware lifecycle.
• Use SolarWinds and PRTG for monitoring and incident resolution.

Skills

LAN/WAN optimization

Troubleshooting

Documentation

Verbal/written communication

Education

Bachelor’s or Master’s degree in Information Technology or Computer Science

CCNA

CCNP

Tools

SolarWinds

PRTG

Job description

Liaquat National Hospital in Karachi seeks an experienced Enterprise Network Engineer to install, configure, upgrade, and monitor multi-site LAN/WAN, MPLS, and internet-facing networks across the organization.

You will design high-availability architectures, manage switches/routers, firewalls, and security policies, and work with monitoring tools like SolarWinds and PRTG to ensure optimal performance and rapid fault resolution.