Network Administrator — Job Description
Summary
- Installs, configures, maintains, and secures an organization’s network infrastructure to ensure reliable connectivity, optimal performance, and minimal downtime.
Core responsibilities
- Network design & implementation: Deploy and configure LAN/WAN networks, switches, routers, firewalls, wireless infrastructure, VPNs, and related network services.
- Monitoring & performance: Monitor network performance, bandwidth usage, and latency; tune configurations and QoS to optimize traffic flow.
- Security & access control: Implement and maintain network security controls (firewalls, IDS/IPS, NAC), manage VLANs, access lists, and VPNs; apply patches and firmware updates.
- Troubleshooting & support: Diagnose and resolve connectivity, routing, and hardware issues; provide 2nd/3rd-line support for escalated incidents.
- Infrastructure maintenance: Perform regular firmware upgrades, configuration backups, capacity planning, and hardware lifecycle management.
- Network documentation: Maintain network diagrams, IP address management (IPAM), configuration standards, runbooks, and change logs.
- Wireless & remote access: Manage wireless controllers, SSID/security policies, and support remote access technologies (VPN, SD-WAN).
- Vendor & stakeholder coordination: Work with ISPs, hardware vendors, and internal teams for provisioning, escalations, and projects.
- Disaster recovery & redundancy: Design and validate redundancy, failover, and disaster recovery procedures; support DR testing.
- Automation & scripting: Automate routine tasks, provisioning, and monitoring using scripts or automation tools (Python, Ansible, Terraform for network infra).
- Compliance & auditing: Ensure network configurations meet security/compliance requirements and participate in audits and remediation.
- Capacity & change management: Plan network growth, manage change requests, and participate in network architecture and upgrade projects.
Typical duties (day-to-day)
- Monitor alerts and resolve network incidents; escalate when needed.
- Troubleshoot user connectivity issues and WAN link problems.
- Apply security patches and firmware updates during maintenance windows.
- Provision new network devices and update inventory/configuration management.
- Review and optimize routing, switching, and firewall rules.
- Maintain and update network documentation and topology diagrams.
- Coordinate with vendors and ISPs for outages or installations.
- Support network-related project work (migrations, expansions, SD-WAN deployments).
- Conduct periodic capacity and performance assessments.
- Participate in on-call rotation for critical network incidents.
Required qualifications
- Education: Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or equivalent experience; relevant certifications often required.
- Experience: 2–5+ years in network administration or engineering (mid/senior roles require more).
- Technical skills: Proficiency with routing and switching (OSPF, BGP, VLANs), firewall configuration, VPNs, TCP/IP, DHCP, DNS, network troubleshooting, and wireless technologies.
- Platforms & tools: Experience with Cisco, Juniper, Aruba, Fortinet, Palo Alto, or comparable vendors; familiarity with network monitoring tools (SolarWinds, Nagios, Datadog), IPAM, and Wi‑Fi controllers.
- Scripting & automation: Basic scripting (Python, Bash) and knowledge of automation/orchestration tools (Ansible, Terraform) preferred.
- Soft skills: Strong problem-solving, communication, documentation, and teamwork abilities.
Preferred attributes
- Experience with cloud networking (AWS VPC, Azure Virtual Network, GCP), SD-WAN, and hybrid cloud connectivity.
- Knowledge of network security frameworks and Zero Trust principles.
- Experience with high-availability architectures, load balancers, and network segmentation.
- Certifications: CCNA/CCNP, JNCIA/JNCIP, Fortinet NSE, Palo Alto PCNSE, CompTIA Network+ or equivalent.
Job Types: Full-time, Permanent
Pay: QAR121.10 - QAR165.11 per hour
Work Location: In person