Hello,
my name is Mladen, I have more than 15 years of experience in networking. Also you can check from my profile.
Let me describe you my experience per each your request:
● Basic routing and switching fundamentals such as BGP/OSPF/MPLS, Switching VLANS, STP, VTP etc - I am expert in routing and switching, especially in MPLS, I am holding CCNP certificate since 2007.
● Firewalls, Virtual Private Network (VPN), VLAN's, URL and Content filtering, Bluecoat Proxy etc. - excellent experience working with different VPN products including site-to-site IPSec and client-to-site IPSec VPNs, also great experience working with the OpenVPN
● Managing and setting up rules/policies, Site to Site VPN, network settings when required - more than 10 years of experience, as I alredy described
● Software upgrades on Firewalls - I am very familiar with upgrades of Cisco and Juniper
● Understanding of Change Management Process using ServiceNow, Remedy etc to do change requests/orders to firewalls in the network - very capable of making changes according to your requests
● Network Monitoring tools such as SPLUNK, Wireshark, Tufin, Solarwinds etc. - yes, but I mostly prefer working with Zabbix if it is OK for you
● Migration from one vendor firewall platform to another(Ex: Replacing all Cisco ASA FW's with Palo Alto etc.) - I am not very experienced with Palo Alto, but I can quckly learn new technologies.
● Troubleshooting network connectivity issues within constrained tim - very experienced