Experienced Network Operations Center Team Lead with a demonstrated history
of working in the information technology and services industry.
- expert in building vpn platforms
- expert in Networking, Cisco Systems Products( R&S, Security and Collaboration).
- expert in Palo alto , Fortinet, PFSense firewalls, Mikrotik router, VPN
- very good experience in Vmware ESXi, Ubiquity, Unify , windows Servers
- very good exprience in cloud (AWS, GCP, Azure, Oracle OCI)
- very good experience in linux
-very good experience in docker, kubernetes
-very good experience in git, ci/cd
- Strong Development Skills specially network development(C#, .net web API , asp.net mvc)
- .net core web api, microservices, rabbitmq, Rest API, EF
Ubiquiti
Network Design
VPN
Network Security
.NET Framework
Cisco ASA
MikroTik RouterOS
C#
Cisco CallManager
.NET Core
Cisco Certified Network Professional
Cisco Router
PfSense
Virtual Private Server
Mohamad Tarek K.
Beirut, Lebanon
$40/hr
5.0
66 jobs
👋 I’m a Senior Systems Engineer with 12+ years of experience delivering cloud infrastructure, DevOps, Microsoft 365, Google Workspace, automation, cybersecurity, virtualization and advanced systems administration.
I help businesses build, migrate, automate, secure and troubleshoot infrastructure across Azure, Google Cloud, Windows, Linux, Microsoft 365 and SaaS environments.
☁️ Cloud & DevOps
• Microsoft Azure and Google Cloud Platform infrastructure
• Azure DevOps, Azure Repos and YAML CI/CD pipelines
• Docker containerization and container registries
• Kubernetes deployments, services, ingress controllers and networking
• Load balancers, health checks, DNS and cloud connectivity troubleshooting
• Git-based deployment workflows and Jenkins
• Cloud application deployment, migration and troubleshooting
• PowerShell, Bash and Python automation
🖥️ Systems & Infrastructure
• Windows Server, Active Directory, Group Policy, DNS and DHCP
• Linux: Red Hat, AlmaLinux, CentOS, Ubuntu and Debian
• Hyper-V and VMware deployment, migration, replication and recovery
• File servers, storage, permissions, backups and disaster recovery
• Docker, Nginx, reverse proxies, SSL/TLS and web hosting
• VPN, firewall, VLAN and network troubleshooting
• Server upgrades, patching and performance optimization
☁️ Microsoft 365 & Google Workspace
• Microsoft 365 and Google Workspace administration
• Exchange Online, Gmail, Teams, SharePoint, OneDrive and Google Drive
• Microsoft Entra ID, MFA, Conditional Access, RBAC and SSO
• Intune enrollment, compliance and application deployment
• User onboarding/offboarding, licensing, groups and shared mailboxes
• Tenant and cross-platform migrations
• SPF, DKIM, DMARC, DNS, mail routing and deliverability
⚙️ Automation, SaaS & Integrations
• PowerShell, Python and Bash scripting
• Infrastructure, reporting, backup and monitoring automation
• REST API integrations and business-process automation
• HubSpot, Zendesk, Salesforce, Retool and GoHighLevel
• Amazon SES, SendGrid and email integrations
• WordPress and web application administration
• Internal dashboards, client portals and operational workflows
• Database-backed applications and system integrations
🛡️ Security & Monitoring
• Wazuh SIEM deployment, agents, custom rules and alerting
• Checkmk and Uptime Kuma monitoring
• Windows Event Log and Linux security monitoring
• Elasticsearch, OpenSearch, Logstash and Filebeat
• Infrastructure hardening and access reviews
• Vulnerability assessment and incident investigation
• Backup, service and infrastructure health monitoring
🔧 L2/L3 Systems Support
• Advanced troubleshooting across servers, networks, applications and cloud environments
• Root-cause analysis rather than temporary workarounds
• Vendor coordination and technical escalation
• Infrastructure assessments and remediation
• SOPs, technical documentation and handover procedures
• Long-term infrastructure administration and support
🤝 What You Can Expect
• Strong ownership from investigation through implementation
• Clear communication and practical recommendations
• Secure and maintainable solutions
• Proper documentation and handover
• Support for both one-time projects and long-term environments
Whether you need Azure DevOps and CI/CD support, cloud infrastructure, Microsoft 365 or Google Workspace administration, Windows/Linux engineering, Kubernetes and Docker troubleshooting, automation, cybersecurity monitoring or help resolving a complex infrastructure issue, I can assess the environment and deliver a practical solution.
📩 Send me your requirements and I’ll help determine the best technical approach.
System Administration
IT Support
Windows Server
Linux System Administration
Microsoft Active Directory
Google Workspace Administration
Microsoft Azure
Amazon Web Services
Docker
Cybersecurity Tool
Microsoft Windows PowerShell
Python
Automation
SaaS Development
Office 365
Microsoft Intune
Microsoft Exchange Online
Microsoft Outlook
Mario A.
Beirut, Lebanon
$30/hr
4.9
9 jobs
I am actively seeking opportunities to develop and maintain a professional IT infrastructure at all levels. With over 10+ years of experience in Infrastructure, Network, Cloud, Digital, and Security fields, I bring a wealth of expertise and a passion for delivering innovative solutions.
Key Skills and Experience:
IT Infrastructure: Proficient in Microsoft Active Directory, Microsoft Exchange, and Office 365.
Network Management: Experienced with Fortigate, Fortimail, FortiAnalyzer, Aruba Networks, HP Networks, and Cisco.
Backup Solutions: Skilled in Veeam and Veritas NetBackup.
Cloud Services: Comprehensive knowledge in cloud platforms and services.
Security: Strong background in implementing and managing security protocols.
I am dedicated to enhancing my skills and contributing to the success of companies by leveraging my extensive experience. I believe in the power of regular communication to ensure smooth operations and effective collaboration.
Let’s Connect!
Regular communication is essential to me, so let’s keep in touch and explore how I can add value to your organization.
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