Network Security Specialist

Overview

Key Responsibilities

• Design, implement and maintain LAN/WAN connectivity.
• Install, configure, and maintain security tools (firewalls, XDR, email security systems)
• Monitor and analyze network performance; implement optimizations to improve speed, reliability, and uptime.
• Conduct & coordinating vulnerability assessments and penetration testing
• Investigate and respond to security incidents and breaches
• Provide Tier 2/3 support for troubleshooting complex network and voice-related issues.
• Maintain up-to-date documentation of network configurations, architectural diagrams, changes, and processes.
• Participate in the development, testing, and execution of disaster recovery plans.
• Conducting cybersecurity awareness training and safe practices
• Manage SSL/TLS certificate issuance & Renewal
• Collaborate with IT teams to secure infrastructure and applications
• Manage and support VoIP systems including SIP configurations, call routing, and voice quality monitoring.
• Manage and enforce privileged access controls to safeguard critical systems and sensitive data
• Monitor cloud environments for security threats, vulnerabilities, and suspicious activity

Required Skills & Qualifications

• Bachelor’s degree in IT, Computer Science, Cybersecurity, or related field
• Strong knowledge of networking, operating systems, and security protocols
• Experience with Azure Virtual Networks (VNets) and hybrid cloud integrations.
• Expertise in security technologies, including network & web application firewalls, endpoint protection and email security solutions
• Experience with network monitoring tools such as SolarWinds, PRTG, Zabbix or similar platforms
• Hands-on experience with Cisco, HP, Huawei switching and VoIP technologies including Cisco Call Manager, Avaya
• Understanding of encryption, authentication, and access control
• Strong analytical and problem-solving skills
• Ability to work under pressure during incidents