Network Security Engineer

Key Responsibilities

• Perform network architecture design, capacity planning, technology evaluation, and infrastructure modernization initiatives.
• Manage and support network security solutions, including firewalls, VPNs, NDR systems, and network access controls.
• Administer and troubleshoot Check Point firewalls, security policies, NAT, VPN, clustering, and security monitoring.
• Manage and support Extreme Networks switches, routers, fabric solutions, and network management platforms.
• Manage and support HPE Aruba wired and wireless network infrastructures.
• Work with Managed Service provider to support network and security incidents, service requests, and problem management, patching activities.
• Lead network troubleshooting and root-cause analysis for production issues.
• Develop and maintain network diagrams, operational procedures, technical documentation, and design standards.
• Collaborate with cybersecurity, infrastructure teams to deliver secure and resilient solutions.
• Initiate network/security infrastructure projects, technology refreshes, migration activities, and operational improvements.
• Assist in IT audit, develop and update SOP related to Network, Security domain.

Requirements

Technical Skills Requirements

The candidate shall demonstrate experience in:

Network Infrastructure

• Cisco, Extreme Networks, Aruba, or equivalent enterprise networking technologies.
• Layer 2 and Layer 3 switching.
• OSPF, BGP, VRRP, and dynamic routing protocols.
• Campus, data centre, and enterprise network architecture.
• Network monitoring and performance management tools.

Security Technologies

• Check Point Firewall.
• Palo Alto Firewall.
• Network segmentation and Zero Trust principles.
• VPN technologies (IPSec and SSL VPN).
• Security policy design and administration.
• Network access control and authentication technologies.
• Wireless Technologies
• Wireless network design and deployment.
• Wireless security and performance optimization.

Preferred Qualifications

The candidate shall possess:

• Degree in Computer Engineering, Information Technology, Computer Science, or a related discipline.
• Minimum 5 years' experience in enterprise network and security engineering.
• Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP) certification or higher.

Firewall certification from one of the following:

• Check Point Certified Security Administrator (CCSA) / CCSE
• Palo Alto Networks Certified Network Security Administrator (PCNSA) / PCNSE
• Equivalent industry-recognized firewall certification
• Proven experience supporting enterprise network environments.
• Strong working knowledge of TCP/IP, routing and switching, VLANs, DNS, DHCP, VPN, and network security technologies.
• ITIL Foundation Certification.

Desirable Experience

Candidates with experience in the following areas will have an advantage:

• High-Performance Computing (HPC) network environments.
• Spine-leaf architecture.
• Data centre networking.
• 100GbE, 400GbE, InfiniBand, or other high-speed networking technologies.
• DWDM (Dense Wavelength Division Multiplexing).
• BGP routing in enterprise, ISP, or research network environments.
• Cloud networking (AWS, Azure, Google Cloud).
• Network automation and Infrastructure-as-Code.

Security Operations Centre (SOC) and Network Operations Centre (NOC) environments.

Skills

Switches, Lead Management, Monitor Network Performance, Community Networks, Data Center, Security Technology, Network Development, Aruba Wireless, Incident Management Services, Routing Protocols, Network Infrastructure, Capacity Planning, Network Switches, Security Solutions, Recruitment, Firewall Management