About the job
The Network and Security Specialist plays a crucial role in overseeing and enhancing the organization's network, wireless, telephony, and security frameworks. This position is essential for ensuring the high availability, performance, and reliability of IT services. Responsibilities include troubleshooting and resolving incidents, conducting regular maintenance, and implementing configurations in accordance with organizational standards and SLAs. The specialist collaborates closely with internal IT teams and vendors, engages in change management, disaster recovery, and continuous improvement initiatives, and ensures adherence to security policies and regulatory requirements. By maintaining and optimizing network, telephony, and security systems, this role supports seamless and secure business operations.
Network Infrastructure Management
- Oversee, monitor, and enhance network infrastructure (LAN, WAN, WLAN, VPN) to guarantee high availability, performance, and security.
- Troubleshoot and address issues related to network, wireless, and security systems, including routers (Cisco, D-Link, Netgear), switches (Cisco, HP), wireless controllers and access points (Cisco EWS, Meraki, Ruijie), and firewalls (SonicWall, FortiGate).
- Configure and maintain firewall rules, VPNs, VLANs, ACLs, and access control policies to uphold network security.
- Support IP telephony systems, including Cisco CME, CUCM, and Yealink phones, managing extensions, call routing, voice quality monitoring, troubleshooting, and system maintenance.
- Assist end-users with network, wireless, telephony, and security-related issues, providing troubleshooting support and escalating complex problems as necessary.
- Conduct routine maintenance for network, wireless, telephony, and security systems, including firmware updates, patching, configuration backups, and compliance enforcement.
- Engage in network, wireless, telephony, and security projects, capacity planning, site surveys, disaster recovery testing, and continuous improvement initiatives.
Backup and Disaster Recovery
- Develop and uphold network backup and recovery strategies for critical network, wireless, and telephony configurations.
- Regularly test disaster recovery protocols.
- Monitor performance metrics for network, wireless, telephony, and security systems using monitoring platforms; analyze trends and suggest improvements.
Documentation & Reporting
- Document network, wireless, telephony, and security configurations, diagrams, SOPs, and incident resolutions; create periodic reports for audits and management review.
Compliance and Risk Management
- Ensure compliance with regulatory requirements and internal audit standards related to networking, wireless, and security.
- Collaborate with IT teams and vendors to ensure integration and compatibility across systems.

