SD-WAN Experts Untuk Diupah
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Freelancers Ditaja
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Firewall, Pengurusan Projek IT, Rangkaian Kawasan Setempat, Pentadbiran Rangkaian, Kejuruteraan RangkaianI am a dedicated Network and System Administrator with strong expertise in managing, securing, and optimizing IT infrastructures. Over the years, I have worked extensively with Windows and Linux servers, enterprise networking devices, domain environments, virtualization platforms, and cloud-based services. My role...I am a dedicated Network and System Administrator with strong expertise in managing, securing, and optimizing IT infrastructures. Over the years, I have worked extensively with Windows and Linux servers, enterprise networking devices, domain environments, virtualization platforms, and cloud-based services. My role often bridges the gap between system performance and organizational needs—ensuring business continuity, security, and scalability. Area of expertise: ✅ Network administration (Routing, Switching, VPNs). ✅ Wireless (Cisco, Meraki, Altai, TP-link, Asus). ✅ Security (Fortinet, Cyberoam, Palo Alto, PFsense, opnsense). ✅ VOIP (FreePBX, atcom, esCene, Univoip, Asterisk and Cisco CUCM,CME ). ✅ Virtualization (VMware, Microsoft HyperV). ✅ System administration (Microsoft and Linux servers.) ✅ Cloud computing, dedicated servers and VPS (Google, AWS, Digital ocean) ✅ Surveillance (HikVision, Dahua, Uniview, Xiaomi, Eufy etc ). Beyond the technical side, I value problem-solving, collaboration, and clear communication, which help me support users. Passionate about continuous learning, I actively explore new technologies like cloud computing, virtualization, and cybersecurity to enhance my expertise and deliver future-ready IT solutions. Why Choose Me: ✅ 10+ years of hands-on experience in Computer Networking, Server Management, and IT Security. ✅ Proven expertise in configuring, troubleshooting, and maintaining Firewalls, Routers, Switches, and VPNs. ✅ Skilled in multiple environments including Windows Server, Hyper-V, Cisco, Fortinet, and Hikvision systems. ✅ Reliable and detail-oriented — I ensure every project is delivered securely, efficiently, and on time. ✅ Strong problem-solving skills with a focus on minimizing downtime and improving performance. ✅ Excellent communication & support — I stay available throughout the project for smooth collaboration. ✅ Client satisfaction first — I treat every project as my own and deliver long-term, stable solutions. kurang
Upah abdurr600
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✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. kurang
Upah touhidecevw
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Most IT and security problems don’t appear suddenly — they build up silently until they become business-critical incidents. I help organizations prevent this by creating stable, secure, and well-controlled IT environments where issues are identified and addressed before they impact operations. With 14+ years of...Most IT and security problems don’t appear suddenly — they build up silently until they become business-critical incidents. I help organizations prevent this by creating stable, secure, and well-controlled IT environments where issues are identified and addressed before they impact operations. With 14+ years of hands-on experience in network and cybersecurity engineering, I work as a long-term IT & Security partner with a focus on proactive operations and risk management. My work is focused on: • proactive monitoring instead of firefighting • clear visibility and accountability in IT • reducing operational and cybersecurity risks Open to short, no-pressure conversations to understand your current setup and highlight potential gaps. 🌐 https://yelis.am kurang
Upah gor91188
