I am a professional specializing in Computer Networking, Network Security & System Engineer. My working experience in Network designing, planning, implementation, maintenance, System administration, analysis, optimization, customer support, network automation, ensure network security, network and System monitoring, and troubleshooting.
- Cisco [ Firewall, Router, Switch, Wireless ].
- Palo Alto: PA-5410, PA-1410
- Mikrotik [ Router, Switch ].
- Linux [ Redhat, Ubuntu, Debina, Kali ].
- ESXi, VMware-Workstation, Virtualbox, Ovirt, Proxmox.
- Network automation using Python.
- Network-Device:-
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- Cisco Routers: 1720/1800/2600/2621/2800/3600/3800/4331/4431/4451/7604
- Cisco Switches: 2960x/ 3560/ 3750/ 4948/ Nexus 9k, 5K, 3k, 2K/ Cat-OS 9500, 9300, 9200, 6500
- Mikrotik Router: CCR1072/ CCR1036/ CCR 1009/ x86/ CHR
- Network-Protocol:-
- Routing: BGP/ OSPF
- Switching: VTP/ VLAN/ PVSTP/ MSTP/ RSTP/ VPC/ Flex/ Stack/ Layer2 Security.
- MPLS: L3VPN/ VRF/ VPLS
- VPN: IPSEC/ GRE/ PPTP/ L2TP/ EoIP/ Anyconnect
- Other: VRRP/ HSRP/ Port Channel/ IPSLA/ ACL/ NAT/ PAT/ PBR/ NTP/ DHCP-Server
- Next Generation Firewall:-
- Palo Alto: PA-5410, PA-1410
- Cisco FTD: FPR-2110/2130/3120/4110
- Sophos: XG-210/ XG-230
- Meraki: Firewall MX-100
- Security Domain:-
- Cisco ISE: MAB, NAC, posture, Tac+
- VA Tools: Nessus, NMAP
- SIEM: Wazuh
- Endpoint: Cisco AMP, Sophos, Cortex
- Software Define Wide Area Network:-
- Meraki AP: AP MR-33, MR-42
- Network Automation:-
- Python
- Wireless Device:-
- Cisco WLC: 3504/ 2504
- Cisco AP: AP-3800/ AP-1850/ AP-1830
- Software Define Access:
- Cisco DNA Center
- Operating system:-
- Linux: Red Hat/ Centos/ Debian/ Ubuntu/ Kali Linux
- Windows: Windows Server 2016/ 2012/ 2008
- Application:-
- DNS (Master, Slave)/ Mail server (Postfix, Zimbra)/ Web server (Apache, Tomcat and NGINX)/ WHM (cPanel)/ Tacacs +/ DHCP/ FTP/ Samba/ SNMP/ Proxy/ PAM/ Free radius/ Docker/ Active Directory .....
- Monitoring Tools:-
- Grafana with Prometheus/ Observium/ MRTG/ NFSEN/ Cacti/ Nagios/ Zabbix/ Solarwinds (Orion) etc.
- Virtualization:-
- ESXI-5.0 – 7.0/ vCenter-6.0 - 7.0/ VMware Workstation / Oracle VM VirtualBox
- Hardware Server:-
- HP DL Series/ Dell PowerEdge Series/ Supermicro/ Cisco UCS
- Network-Design-Application:-
- Microsoft Visio
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CCNA [ Cisco ID: CSCO13104246 ]
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RHCSA [ ID: 180-047-516 ]
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RHCE [ ID: 180-047-516 ]
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RED HAT CERTIFIED SPECIALIST IN SERVER SECURITY AND HARDENING [ ID: 180-047-516 ]
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RED HAT CERTIFIED SPECIALIST IN VIRTUALIZATION [ ID: 180-047-516 ]
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🌱 I’m currently learning Powershell Script and Python
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📫 How to reach me: https://www.linkedin.com/in/mithun-mallik-48a123a4/