The Network & Security Engineer is responsible for ensuring the smooth operation of
compute and networks, designing and deploying systems and network infrastructure
according to daily business operations, ensuring high system and network availability
through redundancy and data replication, and maintaining the security, integrity,
compliance, and continuity of IT systems and services.
RESPONSIBILITIES
• Develop and implement network and security strategies in alignment with overall business
objectives.
• Evaluate new technologies and solutions to enhance network and security infrastructure.
• Collaborate with cross-functional teams to design and implement secure network solutions.
• Ensures there is little or no downtime in Interswitch’s server networks which are critical to
operations and profitability by close monitoring.
• Designs Interswitch’s network infrastructure and services, including switches, routers, LAN/
WAN, firewalls, load balancers, VPN devices, WAN protocols, and knowledge of dynamic
routing protocols such as BGP (Border Gateway Protocol) and iBGP
• Configures and controls network security devices.
• Designs and implements network solutions to support a wide variety of business
applications.
• Works with the application development areas and lines of business to provide technology
solutions to their business needs.
• Ensures the security and integrity of Interswitch’s network both internally & externally.
• Support and manage Intrusion detection and prevention systems, conduct Network and
system vulnerability assessment.
• Configure and support security implementations across the network and systems.
• Performs an analysis of research findings on new technologies and presents findings/
contributions to the Head of Infrastructure.
• Maintains detailed documentation for Interswitch’s IT Network Entire Infrastructure &
Enterprise Architecture.

Job Description – ISW

• Provides first, second and third level of support troubleshooting issues affecting
Interswitch’s network.
• Supports Interswitch’s project delivery through the application of best practice approaches
to IP and transport network design and optimization.
• Configures 3rd party, site to site IPsec VPNs for 3rd party company for the business either
via internet or a dedicated P2P link for revenue generation.
• Over-sees the performance of routine maintenance on all network switches and routers.
• Attends to troubleshooting and resolution of network downtime, applies expertise to solve
issues escalated by the junior System Admins/IT Support.