Network Security Engineer

PROJECT SEARCH PTE. LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A technology firm in Singapore is seeking a Network Security Engineer responsible for the high availability, performance, and security of network infrastructure. The role includes monitoring and maintaining core network systems, managing lifecycle activities, performing risk assessments, and collaborating with internal teams to meet service delivery targets. Candidates should have a Bachelor's in Computer Science and a minimum of 5 years in network operations, with strong analytical and communication skills.

Qualifications

• Minimum 5 years of relevant experience in network operations or engineering.
• Experience in ISP or large-scale enterprise network environments is an advantage.
• Able to work off-hours when necessary.

Responsibilities

• Monitor and maintain core network infrastructure for optimal performance.
• Manage network lifecycle activities including capacity planning and decommissioning.
• Perform risk assessment and strategy planning for network enhancements.
• Handle incident and outage reports with timely documentation.
• Support internal engineering teams to meet SLAs.
• Collaborate with Product and Sales teams on network planning.

Skills

Analytical skills

Troubleshooting skills

Communication skills

Education

Bachelor’s Degree in Computer Science or Information Systems

Tools

Cisco Certified Network Associate (CCNA)

Job description

Location: Singapore
Employment Type: Permanent

Job Summary:
The Network Security Engineer is responsible for ensuring high availability, performance, and security of network infrastructure while supporting continuous service delivery to customers. This role involves proactive monitoring, network lifecycle management, incident resolution, and strategic planning to enhance operational efficiency and customer satisfaction.

Key Responsibilities:

• Monitor and maintain core network infrastructure (routers, switches, transmission systems) to ensure optimal performance and uptime.
• Manage network lifecycle activities, including capacity planning, preventive maintenance, migration, and decommissioning.
• Perform risk assessment, POC testing, and strategy planning for network enhancements.
• Handle incident and outage reports, ensuring timely submission of RFOs and monthly reports.
• Support NOC and internal engineering teams to meet SLAs and service delivery targets.
• Maintain accurate documentation and ensure ITSM process compliance.
• Collaborate with Product and Sales teams on new network planning initiatives.

Requirements:

• Bachelor’s Degree in Computer Science, Information Systems, or equivalent.
• Minimum 5 years of relevant experience in network operations or engineering.
• Strong analytical, troubleshooting, and communication skills.
• Experience in ISP or large-scale enterprise network environments is an advantage.
• Cisco Certified Network Associate (CCNA) preferred.
• Able to work off-hours when necessary.