Network Support Engineer - L2/L3
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Key skills for this role
About the Role
Qatari Computer Systems W.L.L seeks a Network Support Engineer (L2/L3) to support, maintain, and optimize enterprise network and security infrastructure in Doha.
Key Skills for This Role
Responsibilities
- Perform day to day operations for network and security related tasks
- Resolve complex and critical network incidents and escalations
- Provide advanced troubleshooting across LAN, WAN, wireless, and security components
- Support and execute network upgrades, migrations, and major infrastructure changes
- Implement and maintain network policies, standards, and best practices
- Perform proactive monitoring, network health checks, and performance optimization
- Ensure high availability, redundancy, and resilience of network services
- Maintain accurate network documentation, diagrams, and configurations
- Collaborate with cross functional teams to support business requirements
Requirements
- 6–10+ years of experience in enterprise network support or operations
- Proven experience supporting complex network and security environments
- Advanced routing and switching expertise
- Hands on experience with Next Generation Firewalls (Cisco, Palo Alto, Fortinet)
- Experience with large scale SSL and IPsec VPN deployments across routing and security platforms
- Knowledge of DNS, F5 LTM/GTM, Email security, Network Access Control (NAC)
- Network performance monitoring, analysis, and optimization
- AAA Servers concepts and management
- Knowledge of Azure networking and security components, VNETs, Routing, NSGs, firewalls
- Strong problem solving, communication, and documentation skills
Full Job Posting
Role Summary
- The Network Support Engineer (L2/L3) is responsible for supporting, maintaining, and optimizing enterprise network and security infrastructure.
- The role focuses on day to day network operations, resolving complex incidents, performing advanced troubleshooting, leading network upgrades and migrations, and ensuring high availability, security, and performance of network services.
Key Responsibilities
- Perform day to day operations for network and security related tasks.
- Resolve complex and critical network incidents and escalations.
- Provide advanced troubleshooting across LAN, WAN, wireless, and security components.
- Support and execute network upgrades, migrations, and major infrastructure changes.
- Implement and maintain network policies, standards, and best practices.
- Perform proactive monitoring, network health checks, and performance optimization.
- Ensure high availability, redundancy, and resilience of network services.
- Maintain accurate network documentation, diagrams, and configurations.
- Collaborate with cross functional teams to support business requirements.
Technical Skills & Competencies
- Advanced routing and switching expertise.
- Strong understanding of networking and security concepts.
- Hands on experience with Next Generation Firewalls (Cisco, Palo Alto, Fortinet).
- VPN technologies: large scale SSL and IPsec VPN deployments across routing and security platforms.
- Knowledge of DNS, F5 LTM/GTM, Email security, Network Access Control (NAC).
- Network performance monitoring, analysis, and optimization.
- AAA Servers concepts and management.
- Knowledge of Azure networking and security components, VNETs, Routing, NSGs, firewalls.
Experience & Qualifications
- 6–10+ years of experience in enterprise network support or operations.
- Proven experience supporting complex network and security environments.
- Strong problem solving, communication, and documentation skills.
- Relevant certifications such as CCNP, PCNSE, and Azure Networking/Security are preferred.
- Ability to work across network and security domains with clear ownership and escalation awareness.
Pay
- QAR 11,000.00 QAR 12,000.00 per month
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