I am a CCIE-certified Network Engineer with over 14 years of experience designing, upgrading, and supporting on premise and hybrid enterprise network infrastructure across healthcare, financial services, professional services, public sector, and managed services environments.
My background is rooted in deep hands-on expertise across routing and switching, data center networking, WAN architecture, and advanced troubleshooting in complex, multi-vendor environments. I have worked extensively with platforms including Cisco, Palo Alto, Infoblox, Arista, and Juniper.
Throughout my career, I have led large-scale remote and hybrid deployments, stabilized critical network environments, and improved uptime, performance, and scalability across both data centers and distributed enterprise systems. I bring a strong ability to partner cross-functionally with infrastructure, security, and operations teams to deliver resilient, high-performing network solutions.
CORE COMPETENCIES:
★ Data Center Architecture
★ Routing & Switching
★ SD-WAN
★ Network Security
★ WAN Architecture
★ Infrastructure Modernization
★ Advanced Troubleshooting
★ Cisco Nexus & Catalyst
★ Palo Alto / Fortinet Firewalls
★ Infoblox
★ BGP / OSPF / EIGRP
★ MPLS / DIA
★ Network Automation (Ansible)
★ High Availability & Resiliency
★ Leaf & Spine / Core & Distribution & Access
TOOLS:
Cisco IOS | Cisco NX-OS | Cisco Nexus (9000/7000/5000/2000) | Cisco Catalyst | Cisco ACI | Arista EOS | Juniper MX/EX | ArubaOS | Nokia OS | Cisco Meraki | BGP | OSPF | EIGRP | vPC | STP | VDC | VXLAN | EVPN | NAT | QoS | Multicast | VRF | DMVPN | IPsec | HSRP | VRRP | GLBP | LACP | LLDP | CDP | Cisco Catalyst SD-WAN | Viptela SD-WAN | SilverPeak SD-WAN | MPLS | DIA | Metro Ethernet | Palo Alto | Fortinet | Cisco ASA | Cisco ISE | Cisco DNA | Wireshark | Ansible | TCL Shell | Python | SecureCRT | PuTTY | ServiceNow | Microsoft Teams | Zoom | Webex | Outlook | Visio
CERTIFICATIONS:
CCIE Routing & Switching #51201 | CCNP | CCDA | MCSE
Network Design
Network Architecture
Network Engineering
Network Planning
Network Security
Network Monitoring
Network Equipment
Network Traffic Analysis
Wide Area Network
Local Area Network
Wireless Network Implementation
Cisco Certified Internetwork Expert
Cisco ACI
Cisco Meraki
Cisco WLC
Cisco ISE
Network Administration
Palo Alto Firewalls
Cisco Certified Network Professional
Cisco Router
Gil A.
Lipa City, Philippines
$100/hr
4.8
115 jobs
Top Rated Plus, Experienced Network Engineer & Network Operations Manager
With ⭐️ over a decade ⭐️ of experience in network engineering and operations, I bring a wealth of expertise to meet your business needs. As a seasoned Network Engineer, I have successfully handled clients across the globe, ensuring robust and efficient network solutions.
▶︎ PROFESSIONAL BACKGROUND:
Former Global Network Operations Manager at one of the largest BPOs worldwide.
Led a team of network professionals to manage and optimize global infrastructures.
▶︎ SPECIALIZATIONS:
1. ⭐️ Unifi/Ubiquiti: Cloud gateways, routers, switches, access points, and cameras.
2. Cisco: Routers, switches, access points, firewalls (ASA and FTD), ISE, SD-WAN, DUO, and Umbrella.
3. ⭐️ VPN Expertise: AnyConnect, Secure Client, Wireguard, OpenVPN, IPSec VPN, and SSL VPN.
4. Meraki: Access points, switches, and routers.
5. Palo Alto Firewalls
6. Sonicwall Firewalls
6. Linux Servers
7. Synology NAS
▶︎ CERTIFICATIONS:
✅ CCNP
✅ CCNA Security
✅ Lean Six Sigma Yellow Belt
▶︎ WHY CHOOSE ME?
Proven track record of delivering high-quality network solutions.
Extensive experience with a variety of network technologies and platforms.
Committed to providing exceptional service and support to ensure your network's success.
Microsoft Azure
Cisco ISE
Cisco Certified Network Associate
Cloud Engineering
Ansible
Troubleshooting
Cisco Router
Cloud Implementation
Cisco Meraki
Cisco Certified Internetwork Expert
Cisco WLC
Cisco IOS
Cisco ASA
Cloud Architecture
Amazon Web Services
Waqas Q.
Islamabad, Pakistan
$35/hr
4.9
37 jobs
Top Rated Plus IT Professional with 15+ years of enterprise experience helping businesses design, troubleshoot, secure, and optimize networks, Microsoft 365 environments, Windows servers, VPNs, and cloud infrastructure.
I have worked with leading organizations including Accenture, Hewlett Packard (HP), Cisco, and Australian Managed Service Providers such as BaseHost, MACIT, and Easy Internet Services, supporting businesses ranging from small offices to large enterprise environments.
I specialize in helping businesses keep their IT infrastructure secure, reliable, and running efficiently through proactive support and practical solutions.
Core Expertise
Managed IT Services (MSP)
Level 1–3 Help Desk Support
Microsoft 365 Administration
Active Directory & Entra ID
Windows Server Administration
Windows 10/11 & macOS Support
User Onboarding & Offboarding
VPN Configuration & Troubleshooting
Printer & Peripheral Support
Remote Desktop Support
Email Migration & Administration
Networking
Cisco Routing & Switching
Enterprise Wireless (Cisco & Aruba)
VLANs, STP, OSPF, BGP
VPN & Site-to-Site Connectivity
Firewall Configuration
DNS, DHCP & TCP/IP
Cisco Meraki
Network Troubleshooting
Network Documentation
Cloud & Infrastructure
Microsoft 365
Exchange Online
SharePoint
Teams
Intune
Azure Fundamentals
Google Workspace
Virtual Machines
Backup & Disaster Recovery
Automation
Python for Network Automation
Ansible
Network Monitoring Scripts
Configuration Automation
Operational Reporting
Process Automation
Services I Offer
✔ Microsoft 365 Administration
✔ Windows & macOS Support
✔ Active Directory & Entra ID
✔ Network Troubleshooting
✔ VPN Setup & Support
✔ Cisco Networking
✔ Firewall Configuration
✔ Python Network Automation
✔ WordPress Support
✔ Technical Documentation
✔ Remote IT Support
VPN
Python
Virtual LAN
IPv6
Cisco Router
ITIL
JNCIA-Junos
Network Engineering
Cisco IOS
Aruba
Ansible
Juniper
Cisco Certified Network Associate
Md Norul A.
Dhaka North City Corporation, Bangladesh
$40/hr
5.0
164 jobs
I am a Dynamic, Dedicated, Passionate and Quickly Adaptable Freelancer with Technological innovations. I am a 🏅Upwork-Skill-Certified Freelancer with ✅100% JSS ✅ 70%+ Long-Term Clients ✅ 80%+ Clients Recommendation ✅ 90+ Active and Completed Jobs with Positive Feedback🏅Architect Certified on Sophos, Fortinet Firewalls and Endpoints Managements ✅ Others Certification on Network and Security✅ Strong and long Experiences on Fortinet, Sophos, SonicWall, Palo-Alto, PFSense Infrastructures Deployments, Migration and Managements✅ Any kinds of Wireless and Voice Solution Deployments✅ Network, System Security & Compliance Managements✅ Strong Experience on Routing & Switching🏦 Long-Experience with MSP, Corporate and Solution/Service-Provider Sectors. 🏦 Already worked with 90+ clients from different regions such as Asia, Africa, US, Europe etc.
🎖️Certifications (Completed & Enrolled)
• Upwork Skill Certification - Customer Service.
• Certified Architect by Sophos and Fortinet.
🏅 Sophos Certifications:
• Sophos-Firewall v19.5-Engineer.
• Sophos Firewall v19.5-Architect.
• Sophos Firewall v19.5 to v20.0 Certified Architect Delta (AU80).
• Sophos Firewall v19.5 to v20.0 Certified Engineer Delta (EU80).
• Sophos Firewall v20.0 to v21.0 Certified Architect Delta (AU80).
• Sophos Central Endpoint and Server v4.0-Engineer.
• Central Endpoint and Server v4.0-Architect.
• Sophos Central Endpoint v4.0 to v5.0 Architect Delta (AU15).
• Sophos Central Engineer Delta v4.0 to v5.0 (EU15).
🏅 Fortinet Certifications:
• NSE-7 (Network Security Architect) –NSE-ID:- 0Qjbf0qGSd
• NSE-4 (Network Security Professional) – NSE-ID:- GThFxY1viO
• NSE-5 (Network Security Analyst) on FortiAnalyzer- NSE-ID: - 8gIRCniwPN.
• NSE-1 (Network Security Associate) By Fortinet License Number: OYBF7cetpL.
• NSE-2 (Network Security Associate) By Fortinet License Number: FTsFjlmHck.
🏅 Other Certification:
• CNSS (Certified Network Security Specialist) By ICSI, UK License Number: 18427811
• Cisco Certified Network Associate (Routing & Switching) Cisco-ID: - CSCO13303817
Here, I would like to share my Working experiences, fields of expertise and much more-
✅ I have 9 years plus hands-on experiences on Network, System, Security administration, Deployment and Migrations on different Infrastructures along with direct involvements/cooperation on different known issues from Deployment stage to end-user’s support.
✅ Fields of Specialization:
1. Because of having 9 years plus exclusive experiences on different Fortinet, Sophos, SonicWall, PFSense, Palo-Alto and other Infrastructures Deployments and Administration I can work with the Complete Design, Deployments, Migrations and Integrations on these Different types of Infrastructures such as-
• Fortigate, Forti-APs, Forti-Switches, FortiVoice-Enterprise, Forti-Manager, Forti-EMS,FortiAnalyzer, FortiAuthenticator, FortiNAC, Fortinet Security Fabric Devices, FortiSandbox, FortiToken/Mobile/Service.
• Sophos Infrastructures Managements such Firewalls, Endpoints, Switches, APs etc.
• SonicWALL Infrastructures Managements such as Firewalls, NSM, Capture-Clients Endpoints etc.
• Palo-Alto, Barracuda, PfSense, Cisco-Firepower, Firepower-Thread Defence and FMC and Others Firewalls Managements.
• Migration To/From any of these above Infrastructures.
3. Long experiences on the Network and System Administration on these Infrastructures-
• Routing & Switching on Cisco, Mikrotik, Juniper, HP, Dell, Aruba etc.
• Wireless Implementation on Cisco, Aruba, Ruckus, 4Ipnet, Unifi/Ubiquiti, Forti-AP, Cambium, Altai, TP-Link-Omada, Teltonika etc.
• Mail-Server Administration on Office365, G-Suite by Google, Zimbra etc.
• Windows Server Managements.
• Virtualization & Datacentre Managements on VMware, ESXi, vSphere or VCenter, Hyper-V, Synology-NAS/SAN and Others.
• Voice Solution implementation on renowned Voice Solution Providers such as FortiVoice Enterprise, Grandstream, 3cX, Synway, Yeastar-PBX, FreePBX etc.
• Endpoint Solution Deployments on TrendMicro, Sophos Endpoint Protection, FortiClient by Forti-EMS (Endpoint Management Server), ESET etc.
• Complete Video Conferencing Solution on Dahua, Polycom etc.
• Surveillance, Attendance reader solution on Hikvision, Dahua, ZKTecho, Handuri etc.
4. I am a quick and dynamic learner. I can adjust myself with the Technological innovation within a very short amount of time.
5. I am a technical person with a Never Give-Up character.
I have multiples valuable feedback with great reviews on Upwork. You can also have a look at that.
If you have any further query on me just send "Hi" in Upwork.
VPN
Network Security
Firewall
Fortinet
Network Administration
FortiGate Firewall
Security Infrastructure
Palo Alto Firewalls
Wireless LAN Controller
Security Management
Sophos Sophos UTM
VoIP PBX
System Administration
PfSense
SonicWall
Dmytro Y.
Ternopil, Ukraine
$50/hr
4.9
118 jobs
I have more then 7 years experience in networking (routing,VPN, link reservation(failover), trafic priority etc. ), and more then 15 years of design and develop ERP systems for milk, beer, agro and other production industry.
2017-04-01 MikroTik MTCNA 1704NA7632
2017-04-14 MikroTik MTCWE 1704WE8685
2017-04-28 MikroTik MTCRE 1704RE10039
I love my job and hope you need my skills.
I would be happy to communicate with interesting people.
MikroTik
VPN
Network Design
Network Engineering
Mikrotik RouterBOARD
MikroTik RouterOS
LAN Implementation
OpenWrt
Microsoft Visual Studio
FTP
Scripting
VoIP Administration
Wireless Network Implementation
Routing
Ken O.
Quezon City, Philippines
$35/hr
5.0
4 jobs
I’m a network engineer with over 9 years of experience in managing, optimizing, and securing complex network infrastructures in global environments.
Professional Background:
I offer end-to-end network solutions—from setup to optimization—designed to give your business uninterrupted performance, top-tier security, and long-term stability.
Specializations:
1. Cisco Technologies (Routers, Switches, Firewalls - ASA, ISE, SD-WAN, VPN - AnyConnect)
2. Juniper (Routers and Switches)
3. Arista (Routers and Switches)
4. Meraki (Switches and Access Points)
5. Palo Alto Firewalls
6. Fortigate Firewalls
7. Linux Servers
8. VMWare vCenter
Certifications:
1. CCNP Enterprise
2. CCNA Security and Data Center
3. AWS Cloud Practitioner
If you’re looking for a reliable professional to manage your network, resolve technical challenges, and strengthen your infrastructure's security and efficiency, let’s connect.
Network Administration
Network Engineering
Network Traffic Analysis
Network Monitoring
Palo Alto Firewalls
FortiGate Firewall
Cisco ASA
Cisco ISE
Cisco Certified Network Professional
Cisco Meraki
Juniper
Closed-Circuit Television
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