Md Mirajul I.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

As a diligent network and security engineer, and i'm passionate about technology. Always love to solve the problem. Has nearly 6 years of experience in network and security domain. Work Summary: ----------------------------------------------------------------------------------------------- • Nearly 6 years of experience in-depth Cisco, paloalto, F5, Sonicwall, Sophos, VMware, etc technology knowledge in design, administration, implementation, and support. • In-depth knowledge of deploying and troubleshooting IP protocols. • Experienced on layer 3 routing and layer 2 switching • Have knowledge in cisco ASA, firepower, FMC. • Has expert level experience in network protocols, LTM, WAF, Firewalls, and Security systems design and implementation. • Deployed F5 Web Application Firewall, Local Traffic Manager.. • Has in-depth knowledge of deploying and troubleshooting routing, switching & security protocols. • Has deployed cisco application-centric infrastructure (ACI). • Has in-depth knowledge in BGP, OSPF design, and implementation. • Has in-depth knowledge in cisco ASA firewall, Cisco next-generation Firewall (NG-FW). • Has deployed Palo alto & Sophos next-generation firewall. • Has knowledge in cisco Cisco Unified Communications Manager. • Dealing with escalating problems. • Efficient use of Microsoft Visio as technical documentation and presentation tools. • Excellent experience in Network Planning, Implementing, Configuring, Troubleshooting, and Testing of networking system. Professional Certification: ------------------------------- - F5 Application Delivery Fundamentals (101) - Palo Alto Networks Certified Network Security Administrator (PCNSA) - Cisco Certified Specialist - Data Center Operations - Cisco Certified Network Professional Enterprise (CCNP) - Cisco Certified Network Associate (CCNA) - Fortinet NSE1, NSE2, NSE3 Network Security Associate - Palo Alto Network Accredited System Engineer (PSE): Foundation Accreditation Exam - Prisma Access SASE Security (EDU-118) - Assessment Technical Skills: ------------------- • Routing / WAN: EIGRP, OSPF, RIP, BGP, MP-BGP, MPLS L3 VPN, VRF, PBR, route redistribution, IP Routing, QoS. • Switching: Vlan,VTP, STP, Ether channel, VPC, HSRP, VRRP, GLBP, MPLS LDP, VPLS. • Security: ACL, NAT, VPN, IPSec Tunnel, GRE Tunnel, 802.1x, Port Security, Firewalls, TACACS, AnyConnect VPN, site-to-site VPN, Globalprotect VPN. • Data Center/ Nexus: ACI, FEX, VPC, UCS. • Virtualization: VMware ESXi 5.5/ 6/ 6.5, VMware workstation, Hyper-V. • Hardware: Catalyst 2960 / 3850 / 3750 / 9000 series and Nexus 3k /5k/ 7k /9k series switches, 2821 / 2921 / ISR 4000 series / ASR 1002 / ASR 1006 Series Cisco routers, Cisco Firepower 2120/ 4110/ 4120/ 9300. Cisco ASA 5506-X / ASA 5515-X/ ASA 5525-X / ASA 5585 Firewalls, ACS, ISE, Sophos XG 210, Cyberoam CR1500iNG-XP, Cisco Wireless LAN Controllers 2504 / 5508 / 5520, Paloalto 820 / 3220, Sonicwall TZ & NSA 2600, 3600 series. • F5 Networks: BIG-IP 2600 / 2800. • IOS: Cisco IOS, IOS-XE, IOS-XR, NX-OS, ASA, Firepower, FTD, Junos, RouterOS, SFOS, PAN-OS. • Network Tools & Software: Solarwinds engineer’s toolset, GNS3. less