🚀 Twilio & WhatsApp Automation Specialist — I help businesses design and build intelligent communication systems that engage customers, automate conversations, and drive revenue.
With hands-on experience integrating Twilio APIs and WhatsApp Business Platform, I develop smart solutions for:
📲 WhatsApp & SMS Campaigns — Automate outbound campaigns, alerts, OTP flows & lead nurturing.
🧠 Chatbots & IVR Flows — Build intelligent, multilingual bots and voice flows that reduce support workload.
🔁 Custom Integrations — Connect Twilio with CRMs (HubSpot, Salesforce), Google Sheets, and other SaaS tools via Webhooks, APIs, or Make/Zapier.
🧩 Voice & Call Routing — Configure Twilio Studio, SIP Trunking, number provisioning, IVR menus, call forwarding, and voicemail flows.
💼 I’ve worked with international businesses to implement scalable communication solutions that:
Reduce manual workload by 70%+
Boost engagement through personalized messaging
Enable real-time data flow between communication and business systems
🧰 Tech Stack & Tools:
Twilio Studio · Twilio Conversations · Twilio Messaging API · Twilio SIP/Voice · WhatsApp Business API · Python · Node.js · Webhooks · Make.com · Zapier · Google Sheets · CRM integrations
🔐 My focus is on building secure, reliable, and easy-to-scale systems. Whether you need a fully automated flow or a custom integration, I’ll deliver it fast and clean.
Twilio
WhatsApp
SMS
VoIP
Twilio API
Telephone System
CRM Automation
AI Agent Development
AI Chatbot
API
CRM Software
FreePBX
Plivo
Outbound Call
VoIP Software
Ibrahim D.
Cairo, Egypt
$60/hr
4.6
72 jobs
CCIE #42303 | Fortinet Security Architect | Microsoft Teams, Azure Cloud & AI Certified Solution Consultant Team Lead
With over 18 years of experience, I specialize in designing, implementing, and supporting enterprise-grade Network, VoIP, Unified Communications (UC), Contact Center (UCCE/UCCX), Telepresence, Security, SD-WAN, SASE, and Cloud solutions.
I help organizations modernize their communication infrastructure, optimize performance, and enhance security and reliability across multi-vendor environments — from on-prem to hybrid and cloud.
________________________________________
⚙️ Areas of Expertise
🔹 Cloud & Microsoft Ecosystem
• Designing and administration of Office 365 tenants, Azure Cloud, and Microsoft Entra ID (Azure AD) solutions.
🔹 Unified Communications & Collaboration
• Design, implementation, and troubleshooting of Microsoft Teams, AudioCodes Mediant, Sonus/Ribbon, Oracle Acme SBCs, Cisco Call Managers (CUCM, CUCME, CUCMBE, SME), Cisco Unity, IM&P, Expressway, CUBE, and Prime Collaboration.
• Extensive experience with Cisco Hosted Collaboration Solutions (HCS), UCS (B & C Series), and CUCDM.
• End-to-end setup of Cisco Telepresence (Codecs, TMS, CMS, VCS, Expressway) and Webex Collaboration platforms.
• Designing and supporting hybrid environments integrating Microsoft, Cisco, Zoom, 3CX, and Multi-Vendor collaboration solutions
• Designing and supporting scalable open-source VoIP solutions like FusionPBX, Asterisk, FreePBX, ASTPP Billing, and integrating them with various communication platforms like Twilio, Telnyx, and different other communication channels and tools.
🔹 Contact Center & Voice Integration
• Strong background in Cisco On-premises contact center UCCE and UCCX ecosystems including ICM, CVP, CUSP (SIP Proxy), PG, CTI, Finesse, CUIC, and other critical components.
• Designing, implementing, and supporting Mutli-Vendor Cloud Contact Center Solutions including Cisco Webex Contact Center, Genesys Cloud, Microsoft Dynamics, and Anywhere365.
• Designing, implementing, and supporting open-source cost effective contact center solutions like VICIdial.
• Integration with voice recording, billing, XML, and 3rd-party applications (Verint, Nice, Qfiniti, Carin, VPI, etc.).
• Skilled in Voice XML, SQL troubleshooting, and multi-vendor interoperability.
🔹 Protocols & Connectivity
• Deep expertise in different network routing and switching protocols.
• Deep expertise in VoIP Protocols SIP, H.323, MGCP, Skinny, and Fax over IP.
• Skilled in E1/T1 R2, ISDN PRI/BRI, and QSIG trunk configurations.
🔹 Networking & Security
• Expertise in wired and wireless network infrastructure solutions including Cisco switches, routers, VGs, Fortinet SD-WAN & SASE, ZScaler SASE, VPNs, and L2TP security.
• Solid understanding of Cisco ASA, ISE, Fortinet, Palo Alto Firewalls, HAProxy, and F5 Reverse Proxies.
• Hands-on experience with VMware vSphere & vCenter, SolarWinds, and network monitoring integrations.
🔹 Operational Excellence
• Skilled in change management, release management, and system optimization across multi-platform environments.
________________________________________
🚀 What I Deliver
✅ Scalable, secure, and high-performance Network, Cloud, and collaboration architectures
✅ Smooth migrations and hybrid integrations (on-prem ↔ cloud)
✅ 24/7 reliability through proactive monitoring and optimization
✅ Expert troubleshooting and post-deployment support
________________________________________
If you’re looking for a seasoned consultant who can design, build, and secure your Infrastructure and communication ecosystem end-to-end, I’d be glad to help you achieve it efficiently and cost-effectively.
Firewall
VoIP Administration
Cisco CallManager
Cisco Router
Network Administration
Network Engineering
VPN
Network Design
Microsoft Teams
Load Balancing
Telecommunications Engineering
Network Security
Azure Machine Learning
Microsoft Azure Administration
Azure OpenAI Service
Computer Network
Cisco IOS
Microsoft Active Directory
Ahmed M.
Alexandria, Egypt
$25/hr
5.0
28 jobs
👨💻 Experienced IT Lead | Cloud & DevOps | Infrastructure & Security Specialist
With over 10 years of hands-on experience in cloud solutions, DevOps automation, and network infrastructure, I design and maintain reliable IT environments for multi-branch organizations. Skilled in Azure, AWS, DigitalOcean, Hetzner, Contabo, Vultr, Bluehost, and Hostinger, managing migration, integration, and automation between on-premises and cloud systems.
Proficient with Docker, GitHub, CI/CD pipelines, API integration, and scripting in Python, PowerShell, and Bash to streamline deployments and automate operations. Experienced with VMware ESXi, Proxmox, and Windows Server (2012–2025) administration, including Active Directory, Group Policy, DNS, and DHCP.
📜 Certifications:
✔ 📘 ITIL® 4 Foundation Certificate in IT Service Management
✔ 🎓 CCNA Routing & Switching (Cisco Certified Network Associate)
✔ 🏆 MCSA Windows Server 2012 (Microsoft Certified Solutions Associate)
✔ 🏅 MCSE Core Infrastructure (Microsoft Certified Solutions Expert)
✔ 📡 Cisco Certified Specialist - Enterprise Core
✔ 🔐 Cyber Security Foundation (CSFPC)
✔ 🖥 Microsoft Certified Professional (MCP)
🛡 Network & Security
Expert in firewalls (Sophos, pfSense, OPNsense, Mikrotik, DrayTek), VPNs (IPSec, WireGuard, SSL), and Cloudflare DNS/SSL security. Skilled in routing, VLANs, QoS, load balancing, and network monitoring for high-availability connectivity.
🏗 Systems & Virtualization
Managing both Windows and Linux servers (Ubuntu, CentOS, Debian) with RAID, NAS/SAN, and backup solutions like Veeam. Experience in Proxmox VE, VMware, and Hyper-V environments.
📞 VoIP & Communication
Administering Avaya, Asterisk, FreePBX, and Issabel systems, configuring SIP trunks, IVR, queues, and call recording for enterprise call centers.
🏢 ERP, CRM & Business Systems
Managing Odoo, custom ERP deployments, and CRM integration to improve business workflow and data consistency.
☁ Remote & IT Management
Using AnyDesk, Zoom, TeamViewer, and ManageEngine for remote support, monitoring, and ticketing. Experienced in IT procurement, inventory tracking, and documentation.
🎥 CCTV & Access Control
Installing and maintaining IP/Analog CCTV, access control, and UPS power systems for secure and reliable infrastructure.
🚀 Passionate about cloud infrastructure, automation, and cybersecurity, with a proven record of optimizing enterprise networks and ensuring system uptime, stability, and security.
DHCP
Linux
Server
Network Administration
VPN
Cloud Services
Ecommerce Website
VoIP
Firewall
Proxmox VE
Server Virtualization
Systems Engineering
DNS
Ahmed A.
Alexandria, Egypt
$25/hr
5.0
13 jobs
I am a highly skilled Computer Engineer with strong expertise in Linux Administration, DevOps, and Automation. I have extensive hands-on experience in container management (Proxmox, LXC, Docker) and infrastructure automation with Ansible, ensuring efficient and scalable deployments.
I specialize in VoIP systems with deep knowledge of Asterisk/FreePBX and SIP protocols, including advanced setups such as Asterisk ARI/AMI integration with external APIs for real-time services. I have successfully implemented solutions for Automatic Speech Recognition (ASR), live transcription, Asterisk integration with N8N automation and AI-powered voice agents that handle conversations and appointment scheduling.
Beyond VoIP, I am experienced in administering and optimizing critical services such as Apache, DNS, FTP, Mail, and MySQL, and have strong skills in network administration with an in-depth understanding of TCP/IP, routing, and security—ensuring reliable and high-performance systems.
I am committed to delivering high-quality results, meeting deadlines, and ensuring client satisfaction with 100% positive feedback.
If you’re looking for someone to design, deploy, or integrate VoIP/AI-driven communication systems, optimize Linux infrastructure, or automate your IT workflows, I’d be happy to help.
Apache HTTP Server
CentOS
Linux
Ubuntu
System Administration
Linux System Administration
Mail Server Implementation
MySQL
FTP
Network Administration
cPanel
Web Host Manager
Ansible
FreePBX
n8n
AI Text-to-Speech
AI Speech-to-Text
Asterisk
VoIP
Docker
Mahmoud A.
Cairo, Egypt
$10/hr
5.0
3 jobs
Technical Support Engineer with experience specializing in cloud communication solutions, VoIP technologies(3CX,Yeaster,Grandstream,Dinstar,FreePBX), and enterprise IT infrastructure. Strong expertise in Cisco switching and routing, with hands-on experience in designing, configuring, and troubleshooting LAN/WAN environments. Experienced Fortinet (FortiGate) and Sophos Firewall Administrator, skilled in implementing security policies, VPNs, and advanced threat protection. Proficient Windows Server Administrator, with experience in Active Directory, DNS, DHCP, Group Policy, and server maintenance. Proven ability in deploying scalable PBX systems, enhancing customer service through advanced call center solutions, and integrating unified communication platforms.
VoIP
3CX
Grandstream
FreePBX
Computer Network
Network Engineering
Sophos Sophos UTM
FortiGate Firewall
OpenVPN
ibrahim Z.
Munuf, Egypt
$20/hr
5.0
3 jobs
I'm Ibrahim , IT Consultant & Engineer
With a strong background in Networking, Linux, DevOps, and Security, I bring years of experience in VoIP, automation, and VPN solutions. I specialize in designing, securing, and optimizing IT infrastructures for businesses.
Certifications:
CCNA – Cisco Certified Network Associate
RHCSA – Red Hat Certified System Administrator
Key Skills & Expertise:
VoIP & Telephony: (Asterisk, FreePBX, Issabel, 3CX, SIP Trunking, Dial-Plan, Patton FXO/FXS)
Networking & Security: (Cisco, MikroTik, Juniper, VLAN, DNS, DHCP, TCP/IP, Firewalls, IDS/IPS)
Linux Administration: (Ubuntu, CentOS, RedHat, Bash Scripting, Automation)
VPN Solutions: (OpenVPN, SoftEtherVPN, IPsec, WireGuard, SSL/TLS Security)
Cloud & Virtualization: (AWS, Azure, VMware ESXi, Proxmox, Docker, Kubernetes)
Database Management: (MySQL, PostgreSQL, MSSQL)
Monitoring & Logs Analysis: (Zabbix,, Wireshark, tcpdump,)
Windows & Active Directory: (Domain Management, LDAP, SAML/SSO, PowerShell)
Why Choose Me?
Quick Response & 24/7 Availability
Client-Centric Approach with 100% Project Delivery
Custom Solutions Tailored to Your Business Needs
Extensive Hands-On Experience Across Multiple Domains
Let’s collaborate to build secure, scalable, and efficient solutions!
This version is polished, professional, and optimized for clients looking for VoIP.
Let me know if you want any final adjustments!
Network Engineering
Network Administration
Computer Network
VoIP PBX
Linux System Administration
OpenVPN
VMware vSphere
FreePBX
Zabbix
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