Network and security engineer

NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region. Job Description We’re searching for a Senior Network & Security Engineer (L3 Support ) to be part of our diverse team of talent here at NCS! Overview As a Network and Security Engineer (Level 3 Support) , you will be responsible for providing advanced and in-depth technical support and troubleshooting for network and security issues. You are required to have a very strong understanding of network infrastructure, security protocols, and the ability to work in a 24x7 environment. What will you do? SME for Network and Security: Provide escalation support for Network (Cisco, Aruba, Alcatel, F5) and Security Products (Check Point, Palo Alto and Fortinet). Troubleshoot and Resolve Issues: Provide advanced to in-depth troubleshooting for network and security incidents, including routers, switches, firewalls, VPNs, and other network devices. Incident Response: Respond and resolve network and security incidents in a timely manner, ensuring minimal downtime and impact on operations and strict adherence to committed SLA. First responder to Priority 1 incidents and resolved incidents within One Care contractual SLA. Documentation: Maintain detailed documentation of network configurations, changes, and incidents. Create and update technical documentation and standard operating procedures. Collaboration: Work closely with Level 2 and Level 1 support teams, remote and field support network/security engineers to resolve complex issues and improve network performance. On-call Support: Provide 24x7 on-call support on a rotating basis, ensuring availability to address critical issues as they arise. The ideal candidate should possess: Diploma / Degree in Computer Science / Computer Engineering / Information Technology related field, or IT equivalent. Preferably 5 or more years of working experience with focus on network and security support roles. In-depth knowledge of network protocols (TCP/IP, DNS, DHCP), network devices (routers, switches, firewalls), and security technologies (VPN and IDS/IPS). Deep understanding of packet capture analysis and network physical and logical topologies. Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical users. Ability to express oneself to stakeholders. Willingness to work in a 24x7 environment, including nights, weekends, and holidays as needed. Qualifications The ideal candidate should possess: Diploma / Degree in Computer Science / Computer Engineering / Information Technology related field, or IT equivalent. Preferably 5 or more years of working experience with focus on network and security support roles. In-depth knowledge of network protocols (TCP/IP, DNS, DHCP), network devices (routers, switches, firewalls), and security technologies (VPN and IDS/IPS). Deep understanding of packet capture analysis and network physical and logical topologies. Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical users. Ability to express oneself to stakeholders. Willingness to work in a 24x7 environment, including nights, weekends, and holidays as needed. What you might also need to have: CCIE, CCNP, Alcatel (ACFE), F5, Aruba, Check Point, Palo Alto, or any relevant certifications. #J-18808-Ljbffr