Senior Network Security Engineer (L3 Support)

Company Overview

Roles & Responsibilities

• Handles IT Network security providing up to level-3 support.
• Handles escalations and provide advisory and support function to front office / back office.
• Handle security-related incidents and issues outside regular working hours.
• Address and resolve escalated issues from L1 support teams, ensuring timely responses to minimize disruptions.
• Participate in system updates and upgrades as required to maintain functionality and security.
• Analyze incoming requests for potential risks, providing insights to guide decision-making. Analyzes identified malicious activity to determine weaknesses exploited, exploitation methods, effects on system and information.
• Conduct regular security reviews and assessments.
• Support the change management process by documenting and executing system changes as directed. Coordinates system changes with appropriate teams to minimize disruption.
• Facilitate the handover of new systems and services, ensuring smooth transitions and knowledge transfer.
• Assist in providing knowledge transfer sessions to L1 teams, enhancing their ability to handle common issues.
• Conduct regular PMR health checks to monitor system availability and security status.
• Assist in identifying system vulnerabilities and support mitigation efforts.

Academic Qualification

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related discipline.

Professional Certificate

• FWs (active/standby) Cisco MX-250
• IPS/IDS, MX Firewall: Cisco MX-250
• Cisco ISE NAC (acting as IAM/MFA solution)
• One Identity Privileged Access Management solution (PAM)

Years of Experience

• 3 - 5 years in relevant experience.

Skills

• Proven experience in network security operations, preferably in a telecom environment
• Hands-on experience with Cisco ISE, next-generation firewalls (e.g. FortiGate, Palo Alto, Cisco-FTDs), IPS, NAC, VPNs (IPSEC, Dial-up, SSL etc), NAT.
• Advance knowledge in IT security infrastructure.
• Intermediate knowledge in the 6 phases of Incident Response.
• Intermediate proficiency in an IT operational environment as a security system admin.
• Intermediate knowledge of a variety of operating systems, and a good systems administration level of experience.
• Advance proficiency in communicating effectively with a range of security professionals and to simplify complex technical issues.
• In-depth knowledge of security protocols and principles.
• Proficiency in networking technologies, network security and network monitoring solutions.
• Critical thinking skills and ability to solve complex problems.
• Deep understanding of TCP/IP, network protocols.
• Excellent troubleshooting and problem-solving skills.

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