Himanshu Dua

Background

About Himanshu Dua

As an experienced Network & Security Engineer, I have gained extensive expertise in network design, implementation, and support across a wide range of industries, including banking and financial services, Energy and Utility, Healthcare, Education & Telecommunications. I specialize in the configuration and optimization of LAN, WAN, WLAN, and Data Center networks to ensure seamless connectivity and efficient operations. Additionally, I hold reputable certifications such as Cisco CCNP CEHV9 & CISSP, validating my knowledge and skills in the field of networking and security. Proficient in a wide range of protocols and standards including LAN, WAN, WLAN, TCP/IP, NAT, PAT, MPLS, IPv4, IPv6, VPN, L2TP, IPSec/ISAKMP, IKE, VoIP, VSS, OSPF, OSPFv3, EIGRP, BGPv4, VLANs, ACLs, Layer 3 Switching, HSRP, GLBP, VRRP, Etherchannel, QoS, TACACS+, RADIUS. Extensive hands-on experience with networking hardware including Cisco Systems Routers, Catalyst Switches, Access Points, Wireless Controllers, MikroTik Routers, Pfsense, Cyberoam, Sophos Firewalls, Palo Alto, Fortigate. Well-versed in network troubleshooting and possesses basic knowledge of Linux (Centos, Ubuntu, Debian, Redhat, Kali), VMware Platform, HyperV. Proficient in network security tools such as Nessus, Rapid7 Nexpose, OpenVAS, Metasploit, Armitage, Nikto, Burp Suite, Nmap for vulnerability assessment. Knowledgeable in IPS/IDS filtering, web and application filtering, DNSSec. ArpSpoofing. Strong knowledge in Authentication, End Point Security, Internet Policy Enforcement, Web Content Filtering, Public Key Infrastructure (PKI), Data Loss Prevention (DLP), Identity and Access Management (IAM) solutions. Working knowledge of Information Security best practices, policies, standards, and baselines, including industry standards and guidelines from NIST & OWASP Experienced Network & Security Engineer with expertise in conducting comprehensive vulnerability assessments and pentesting on hardware and software components. Possesses a solid foundation in Python programming for task automation, enhancing efficiency and streamlining network operations. Experienced in VOIP configuration with IP Private Branch Exchange systems (Elastix, Asterisk, 3cx) and gateways (Analog, Digium, BeroNet,). Additionally, I have experience with a variety of systems and technologies, including Dell servers, Dell Storage NAS and SAN devices (file and block storage), Brocade switches, ISCSI networks, and virtualization technologies (VMware Vsphere, ESXi host installation).