Network & Security Architect (SASE, Firewalls, Routing & Switching, Wireless, PAM, IAM, MFA, VPN, WAN-OP, SIEM/SOAR, EDR/XDR)
Network & Security Architect with 10+ years delivering design, deployment, and operationalization of enterprise networks and security stacks (Cisco, Juniper, Aruba, Fortinet, HPE, Huawei/H3C, VMware, Veeam). Proven at delivering secure, scalable, highly available solutions—SASE/Zero Trust, firewall consolidation, multi site wireless, SIEM/SOAR and EDR/XDR integrations—with architecture artifacts, automated playbooks, validation testing, and operational handover for SOC and NOC readiness.
Projects Delivered
1. Enterprise Core Routing and Switching Modernization
Campus and Data Center Redesign for 2,000 Users: Full campus and data center network redesign and deployment — logical and physical topology, IP addressing plan, VLAN/trunking, STP tuning, OSPF/BGP/MPLS routing, HSRP/VRRP high availability, route redistribution, interface optimization, and configuration templates with cutover and rollback plans. Technologies: Cisco, Juniper, Aruba, HPE, Dell, Huawei/H3C, Allied Telesis, Extreme, D Link, industrial grade switches. Outcome: 99.99% availability, reduced broadcast domains, and deterministic QoS for voice and video.
2. Multi Site Wireless Network Rollout
Multi Site Wireless Network Rollout: End to end wireless deployment across 25 sites — RF/site surveys, capacity and channel planning, AP placement, controller and standalone configurations, SSID and 802.1X/RADIUS security design, QoS and roaming optimization, NAC integration and monitoring for operational handover. Technologies: Cisco, Aruba. Outcome: Consistent coverage, voice handoff latency <50 ms, documented runbooks and operational readiness.
3. Firewall Consolidation and Perimeter Hardening
Consolidation and standardization of firewall estate: architecture, policy matrix, IPsec/SSL VPNs, IPS/IDS tuning, SSL inspection, NAT, HA/clustering, centralized logging and forensics. Technologies: Fortinet, Cisco ASA/FTD. Outcome: reduced policy sprawl and faster incident investigations.
4. SASE and Zero Trust Implementation
Phased SASE rollout and Zero Trust controls: SD WAN, SWG, CASB, ZTNA, identity aware policies, micro segmentation, service insertion, and telemetry for enforcement. Outcome: secure remote access, reduced lateral movement, improved branch performance.
5. SIEM, SOAR and EDR/XDR Deployments
SOC enablement with centralized telemetry and automated response: log ingestion and normalization, detection engineering, threat intel integration, SOAR playbooks, endpoint telemetry, automated containment, and forensic capture. Outcome: reduced MTTD, automated containment, improved forensic readiness.
6. Virtualization, Backup and AD Resilience
VMware ESXi cluster design, Veeam backup/replication, Active Directory hardening and HA, DNS/DHCP optimization, and SQL Server HA guidance. Outcome: met RTO/RPO targets and simplified failover procedures.
7. NAC and Identity Integration
802.1X/RADIUS/TACACS+ deployment, posture checks, RSA MFA integration, and onboarding workflows to enforce device compliance and secure access.
Core Technical Expertise
• Routing & Switching: Cisco, Juniper, Aruba, HPE, Dell, Huawei/H3C, Allied Telesis, Extreme, D Link, industrial switches; VLANs, STP, OSPF, BGP, MPLS, QoS, HSRP/VRRP, route redistribution, packet level troubleshooting.
• Wireless: Multiple end to end Cisco and Aruba deployments; RF surveys, capacity planning, WPA2/WPA3, 802.1X/RADIUS, QoS, roaming, NAC integration.
• Security Platforms: Fortinet, Cisco ASA/FTD; policy lifecycle, IPsec/SSL VPNs, IPS/IDS, UTM, SSL/TLS inspection, NAT, HA/clustering, centralized management.
• SASE and Zero Trust: SD WAN, SWG, CASB, ZTNA, microsegmentation, identity aware policies, east west controls.
• SIEM & SOAR: Log ingestion, correlation, detection rules, threat intel, automated playbooks, case management, tuning for low false positives.
• EDR / XDR: Endpoint telemetry, behavioral/ML detection, threat hunting, rapid containment, automated remediation, SIEM/SOAR integration.
• Virtualization & Backup: VMware ESXi, Veeam backup/DR orchestration.
• Identity & NAC: Active Directory, DNS/DHCP, GPOs, 802.1X, RADIUS, TACACS+.
Technical Certifications: CCNP R&S, CCNA R&S, CCNA Security; JNCIP SEC, JNCIA SEC, JNCIS SEC, JNCIA JUNOS, JNCDA; Fortinet NSE4–NSE7; CEH; RSA MFA SolarWinds Certified, MCSA, MCITP.
Compliance: ISO 27001 certified ISMS practitioner experienced in risk assessments, control frameworks, audits, and compliance.
Network Monitoring
ManageEngine ServiceDesk Plus
Server
Desktop Support
Microsoft Active Directory
System Monitoring
Fortinet
Helpdesk
Cisco IOS
Network Administration
Keirles A.
Dubai, United Arab Emirates
$40/hr
5.0
8 jobs
Worked as an IT Engineer For Last 8 Years
Done a lot of projects to a many customers locally and international Also Remote Projects,
I am specialist at the following .
System Administration
(Linux Servers, Windows Servers, Windows Clients, Mac OS)
Network Engineering
(All Network Protocols and Vendors of Network On Premise and cloud Solutions )
Cyber Security( Firewalls, Acls, Cloud, tools, Antivirus)
Web Solutions
(WordPress, Backend, Frontend, Hosting, Vps and dedicated servers, Cloudflare )
Programming
(Python Web And Local and scripts Solutions, MySQL, Html, CSS )
Cloud Solutions
(AWS, Azure, Google)
Agile
(Scrum, Kanban)
Project Management
Please feel free to contact me
I would Love to Help You out to find the best solution for your case or project, always working together towards the success.
Just Let me Hear From You soon, Success is not that far away from your projects, Just One step Forward
Python
Linux System Administration
Microsoft Azure
AWS Systems Manager
Web Hosting
Cybersecurity Tool
Network Administration
DevOps
Windows Administration
VPN
Office 365
Microsoft Windows
System Administration
Wireless LAN Controller
System Deployment
Muhammad H.
Abu Dhabi, United Arab Emirates
$25/hr
5.0
1 jobs
I'm Graduate in Telecommunication Engineering
I have experience of IT and networking
I have some Internetworking Trainings like MCSE, CCNA, CCNP,LINUX
now I doing Freelance jobs with some Private Organization
I also a graphic Designer, video editor and audio editor. I can edit and modify video or audio according to the client demands.
Audio Editing
Video Editing
VideoScribe
Computer Network
IT Consultation
IT Management
IT Infrastructure
Logo Design
Graphic Design
ITIL
IT Recruiting
IT Asset Management
IT Support
Computer Systems Engineering
Santosh K.
Sharjah, United Arab Emirates
$25/hr
5.0
1 jobs
I help businesses solve IT problems fast and keep their systems running smoothly.
With 10+ years of hands-on experience in IT support and infrastructure, I specialize in Microsoft 365, Azure, Windows Server, network security, and end-user support. I've supported companies across the UAE and GCC — from single offices to multi-branch environments.
Currently, I'm the sole IT & Security Administrator for a Dubai-based legal firm, managing IT operations for 60+ users across multiple locations. I handle everything from troubleshooting and user support to security, backups, vendor coordination, and infrastructure improvements.
What I can help you with:
Microsoft 365 & Azure setup, migration, and administration
Network & firewall configuration (FortiGate, pfSense)
Endpoint security (EDR), VPNs, and access control
Email security & threat protection (DMARC, anti-phishing, incident response)
Remote IT support, issue resolution, and system optimization
I bring clear communication, quick response times, and reliable results. Let's get your IT sorted.
Network Engineering
Computer Network
Computing & Networking
System Administration
Abbas M.
Dubai, United Arab Emirates
$15/hr
5.0
7 jobs
As a dedicated and solutions-driven IT Support Engineer, I bring hands-on expertise in delivering high-quality technical support, proactive system maintenance, and secure infrastructure management. With years of experience across Level 2 and Level 3 support roles, I have helped organizations streamline operations, enhance cybersecurity, reduce costs, and increase productivity through efficient IT practices.
My core strength lies in managing hybrid environments, supporting both Windows and macOS platforms, and deploying enterprise-grade solutions that align with business goals. I thrive in dynamic settings where I can bridge the gap between technical systems and user needs—ensuring uptime, security, and seamless end-user experience.
What I Do Best:
Azure Active Directory & Endpoint Management: I manage users, groups, application integrations, and device compliance policies while supporting cloud-based infrastructure migration to reduce hardware dependency and costs.
Apple Ecosystem Expertise: Proficient in configuring, deploying, and managing macOS systems using Apple Business Manager and MDM tools. Successfully transitioned teams from Windows to macOS for better performance and reliability.
Cybersecurity & Endpoint Protection: Implemented and managed solutions including CrowdStrike, Bitdefender, SentinelOne, and Mimecast to ensure endpoints remain secure against evolving threats.
Enterprise Support & System Administration: Led multiple server installations and configurations using Windows Server and VMware ESXi. Developed backup strategies with Veeam, Acronis, and Nakivo.
Network & Firewall Configuration: Designed and maintained secure networks using Fortinet, SonicWall, Palo Alto firewalls, and Unifi Access Points. Created segmented VLANs to isolate critical production traffic for enhanced security.
Incident Response & ITIL Compliance: Adept at ticket triaging, SLA compliance, and transparent stakeholder communication. I follow ITIL guidelines to manage incidents, implement permanent fixes, and deliver measurable improvements in IT service delivery.
Key Achievements:
Cyberattack Recovery: Orchestrated a full recovery of servers and data within 36 hours post-attack, securing systems with advanced threat protection solutions and infrastructure redesign.
40% Cost Reduction: Migrated servers to Azure, cutting maintenance and hardware expenses significantly.
30% Ticket Reduction: Streamlined IT operations via automation and standardization, leading to a marked drop in recurring issues and support requests.
15% Productivity Boost: Enhanced user satisfaction and productivity by replacing legacy systems with high-performance MacBooks.
Optimized Data Management: Centralized file storage using SharePoint and OneDrive backups, eliminating the use of unauthorized software and improving compliance.
Approach & Values:
Customer-Centric Mindset: I believe IT support is more than fixing problems—it's about enabling people to do their best work. My focus is always on delivering reliable and user-friendly solutions.
Adaptability: Whether it’s switching from hands-on hardware to cloud deployments, or managing cross-platform devices, I quickly adapt and drive results.
Transparency & Leadership: I provide regular, clear updates to stakeholders and take ownership of projects and escalations to ensure they’re completed efficiently and professionally.
Tech Stack Highlights:
Azure AD, Azure Endpoint Manager, CrowdStrike, Bitdefender, SentinelOne, Mimecast, Apple Business Manager, macOS & Windows OS, Windows Server, VMware ESXi, Veeam, Acronis, Nakivo, SonicWall, Fortinet, Palo Alto, Unifi Access Points, SharePoint, OneDrive, PFsense
Computer Network
Computing & Networking
Network Engineering
System Administration
Information Security
Compliance
Graph
FortiGate Firewall
Firewall
MacBook
Anuradha S.
Dubai, United Arab Emirates
$70/hr
5.0
1 jobs
🚀 Elevate Your Cloud Infrastructure with a Microsoft MVP Expert in Azure
Awarded as a Microsoft Most Valuable Professional (MVP) in the Azure category by Microsoft and I am a Dynamic & results-driven Cloud Solutions Architect Expert with a proven ability to lead teams and provide top-tier Cloud Solutions. With over 12 years of experience in the IT industry, I bring extensive expertise in architecting innovative Cloud Solutions that align with organizational goals. while demonstrating strong leadership skills, with a passion for driving change and facilitating the transition to cloud-based environments. I thrive in enabling clients to unlock the full potential of cloud computing.
🔷 My Experiences and Expertise 👇
🔹 Apply Technical knowledge to architect Cloud Solutions that meet business and IT needs and ensure long term technical viability of new deployments, infusing key analytics technologies where appropriate (e.g., Cloud Security, Azure, Microsoft 365, Database Platforms, etc.)
🔹 Cloud Architecture Design - Design end-to-end cloud Solutions Architectures that align with business objectives, leveraging industry best practices and ensuring scalability, availability, performance, and security.
🔹 Ensure high levels of performance, security, scalability, maintainability, reusability, and reliability in designed Cloud solutions.
🔹 Develop strong relationships with key customer IT decision makers to promote long-term cloud adoption.
🔹 Develop and maintain an enterprise-wide architecture strategy that aligns with the organization's business goals and technological advancements.
🔹 Provide leadership and Technical Expertise in Cloud Migration and Adoption particularly focusing on Microsoft Cloud Solutions.
🔹 Drive the evaluation and selection of appropriate cloud services platforms, and tools to optimize performance, cost-efficiency, and reliability.
🔹 Cloud consulting and advisory, Cloud suitability assessment, Cloud migration strategy, Analyzing existing legacy Enterprise workloads and suggesting suitable high-available and resilient cloud solutions, TCO, cloud services estimation, Bill of Material (BoM) preparation, cost optimization and governance.
🔹 Implementation and automation of Landing zone (IAM, networking, Security, Monitoring, Billing management) in cloud following recommended best practices.
🔹 Applying Empirical knowledge in Leading Solution Architecture for Government and Enterprise clients, Datacenter Operations, Managed Cloud services.
🔹 Developed scalable and resilient cloud architectures, including Azure infrastructure, SAP workloads, and hybrid solutions with Azure Stack Hub.
🔹 Led migrations of on-premises data centers and cloud-to-cloud transitions, ensuring seamless integration and minimal downtime.
🔹 Utilized Azure Arc for unified management across on-premises, multi-cloud, and edge environments.
🔹 Configured Azure Firewall, Azure Site Recovery, Azure Backup, Azure Key Vault, and Azure AD for robust security and compliance.
🔹 Managed Azure subscriptions, role-based access control (RBAC), and governance policies to ensure compliance and cost management.
🔹 Provisioned and maintained Azure Computer resources, storage solutions, and virtual networks for optimal performance and security.
🔹 Implemented Azure Automation Accounts, Azure Monitor, and alerts to ensure efficient operation and proactive issue resolution.
🔹 Designed cost-effective cloud solutions, balancing workloads and deploying them efficiently to optimize resource utilization and reduce expenditure.
🔶 Key Skills
🔸 Microsoft Azure
🔸 Cloud Architecture Design
🔸 Migrations & Modernization
🔸 Critical Thinking
🔸 Azure Stack Hub
🔸 Cost Management
🔸 Team Management
🔸 Azure Automation
🔸 Disaster Recovery
🔸 Terraform
🔸 Backup Solutions
🔸 Data Management
🔸 Azure Networking
🔸 Technical Documentation
🔸 Monitoring and Alerting
🔸 Security & Compliance
🔸 Hybrid Cloud Solutions
🔸 Azure Arc
🔸 Technical Leadership
🔸 Project Management
🔸 Azure Virtual Desktop
Cloud Computing
Microsoft Azure
Cloud Migration
Cloud Architecture
Cloud Implementation
Microsoft Azure Administration
Microsoft Azure SQL Database
Cloud Engineering Consultation
Consultation Session
Azure DevOps
Azure App Service
SQL
Cost Management
High Availability and Disaster Recovery
Azure OpenAI Service
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