Core Data Core Animation Core Graphics Core Text Objective C

Cisco IOS JunOS Linux/unix

Cisco IOS Cisco Nexus Python MS Visio Project.

C# code .NET Core Docker Linux Azure

XCTest OS frameworks Objective-C Swift

HTML VB.Net or C#.Net SSIS ASP.NET Dev Ops

Nexus NXOS 5k/7k/9k/fex ASR IOS-XE ISR BGP EIGRP

IPS/IDS design SIP security design

iPad X Code XML-JSON Parsing Location services

Firewalls IPS/IDS DNS Proxy etc

Active Directory management Network Access Control Data Loss Prevention Firewall and IPS management

Linux AWS Azure Openstack VMware

TCP/IP firewalls UTMs IDS AWS

AV IPS Radius ACLs Web Proxy

APIs VPN framework UI design patterns