Senior Network Administrator

Doha, Qatar

Short summary of the job: Responsible for designing, organizing, modifying, installing, and supporting a QT Infrastructure. Designs and installs LANs, WANs, Internet and intranet systems, and network segments, maintain High availability, well take care security, firmware. In this role, need to handle all responsibility as following mentioned.

**Key accountabilities**
- Cisco and Aruba Wi-Fi, Cisco Nexus switches and Catalyst Switches
- Cisco Firewall (ASA,Firepower), PaloAlto Firewall,Fortigate Firewalls & Sophos Firewalls
- Cisco ASR Router, Cisco ACI Solution and Cisco ISE
- ForeScout NAC and Barracuda WAF
- Azure Cloud Networking
- Routing and switching (L2/L3)
- Network routing protocols (OSPF, BGP etc.)
- Nexus Technology (N9K, N7K, N5K)
- Network diagnostic, monitoring, and analysis
- IoT gateways, sensors and associated wireless solutions
- Enterprise and Data center class networks and operations
- Deploying and managing large enterprise wired and wireless infrastructure

**Primary Responsibilities**
- Design and deploy networks.
- Install and support LANs, WANs, network segments, Internet, and intranet systems.
- Install and maintain network hardware and software.
- Determine network and system requirements.
- Ensure network connectivity throughout a company's LAN/WAN infrastructure technical considerations.
- Assign routing protocols and routing table configuration.
- Installing and implementing security programs
- Maintain network facilities in individual machines, such as drivers and settings of personal computers as well as printers.
- Maintain network servers such as secure VPN, Site to site VPN, Advance threat protection and intrusion detection systems,
- Well knowledge difference types of attack like DDoS.
- Keeping an eye out for needed updates, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.
- In many cases, E-mail Filter, and Internet filters
- Prepares users by designing and conducting training programs, providing references and support.
- Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems, if require escalating problems to vendor.
- Maintain integrity of the network, server deployment, and security.
- Establishes network specifications by conferring with users; analyzing workflow, access, information, and security requirements; designing router administration, including interface configuration and routing protocols.
- Assign configuration of authentication and authorization of directory services.
- Monitor networks to ensure security and availability to specific users.
- Evaluate and modify system's performance.
- Perform network address assignment.
- Monitoring network traffic, bottleneck, and Network monitoring
- Testing the network for weakness
- Secures network by developing network access, monitoring, control, and evaluation, maintaining documentation.
- Evaluating implementing network management software
- Establishes network by evaluating network performance issues including availability, utilization, throughput, good output, and latency; planning and executing the selection, installation, configuration, and testing of equipment; defining network policies and procedures; establishing connections and firewalls.
- Protects organization's value by keeping information confidential.
- Accomplishes organization goals by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
- Well troubleshooter hardware error and audit trailer
- Well know about Antivirus Kaspersky End point and international standard products
- IP phones troubleshooter
- Need to follow best practice guideline all manners
- ITIL and MOF framework well knowledge.
- Need to handle daily operations
- Give priority assign task, pending work
- Report needs to submit daily, weekly, and monthly activity
- Need to maintain check list daily base
- Maintain CCTV network.
- Maintain inventory of all equipment, hardware, and software licenses expiring in advance
- Need support for evaluation any IT project
- Install, test, and configure network devices
- Whenever require as per emergency to late stay in office for assign task or pending work need to complete even holiday.
- NTP services, Antispam, self-serve Quarantine
- Web malware protection, URL filtering, Layer 7 Application control how is work.- F5 LTM configure, Barracuda WAF, new web server high availability, HTTP or HTTPS.
- Advanced working experience in Azure networking services such as Virtual Network, subnets,
- Network Security Groups, User-defined routes, Azure Virtual WAN, F5/Azure Load Balancer,
- ExpressRoute, Virtual Network Gateways, NGFW Firewalls (Azure Firewall, Palo Alto, Fortinet)
- Experience in using Azure Network watcher, Network performance monitor, connection monitor,
- Templates, Terraform
- Service Healt