Network Security Engineer

Morgan Mckinley Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Morgan Mckinley Pte Ltd invites a Senior Network Engineer to design, configure and administer enterprise networks in Singapore. You will update diagrams, review designs and ensure optimal LAN/WAN/VPN performance with firewalls and security platforms, collaborating with cross‑functional teams.

Responsibilities include capacity planning, disaster recovery, routine maintenance, backups and security documentation, with potential night shifts as required.

Qualifications

• 5+ years of hands-on experience managing and optimizing large enterprise networks.
• Deep expertise in configuration, troubleshooting, and capacity planning across security and infrastructure platforms.
• Expertise in designing, monitoring, and network & incident management (LAN, WAN, VPN).
• Experience with switches, load balancers, routers, ISE preferred.
• Automation experience using Python and Ansible.

Responsibilities

• Configure and administer networks; update diagrams and design documents.
• Assess impact of network requirements on architecture and processes; participate in design reviews.
• Optimize utilization: consolidate data, capacity planning, load balancing and redundancy.
• Maintain firewall tuning, review bandwidth, and document security activities.
• Support security operations: patches, backups, DR planning and testing.

Skills

CCNP

Enterprise networks

Firewall configuration

VPN design

Python/Ansible automation

Education

Bachelor's Degree/Diploma in CS/IT or related field

Equivalent practical experience

Tools

Palo Alto

Cisco

Check Point

Job description

Responsibilities

Configure & Administer Networks:

• Update network diagrams and documentation for design and planning of network communication systems Determine impact of network requirements on existing architecture, work processes and systems Participate in technical design reviews of applicable solutions

Optimise Network Utilisation & Performance:

• Consolidate network data based on key parameters or metrics
• Assist in the development of capacity planning models, load-balance and/or redundancy solutions
• Administer tuning of firewall rules for optimisation
• Review facility bandwidth requirements and system inter-dependencies
• Document network security activities in accordance with organisational policies
• Monitor network activity and log technical issues
• Maintain awareness of emerging software and/or hardware solutions

Support Network Security Operations:

• Conduct regular maintenance, patches and upgrades to the network
• Prepare technical specifications and documents to procure network equipment
• Perform routine backups and administer disaster recovery protocols
• Assist in the development of disaster recovery plans

Requirements

• Bachelor's Degree/Diploma in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Must be CCNP certified; CCIE certification is highly advantageous.
• Minimum 5 years of hands-on experience managing and optimizing large enterprise networks.
• Requires deep expertise in configuration, troubleshooting, and capacity planning across major security and infrastructure platforms, including Palo Alto, Cisco, and Check Point.
• Deep hands-on technical proficiency with Firewalls and Proxy configurations, implementation, and support.
• Expertise in designing, monitoring, and network & incident management (LAN, WAN, VPN).
• Experiences in switches, load balancers, routers, and ISE are preferable.
• Experience with automation ing is beneficial, particularly using tools like Python and Ansible.
• Must be comfortable with night activities/ weekends / shift work, when required