SalaryPeak

Network Security Engineer

OPENSOURCE PTE. LTD.
Singapore 5+ years Posted Feb 20, 2026

Salary Range

SGD 90,000 - SGD 120,000 /year

SGD 7,500 - SGD 10,000/month

Skills Required

Managed ServicesSecurity OperationsNetwork AdministrationCisco Routing & Switchingmonitoring SLAsInformation TechnologyNetwork AnalysisProject ManagementCisco RoutersCisco Certification

Job Description

Key Responsibilities

  • Provide Level 2/3 network security operations support

  • Respond to incident calls and ensure SLAs are met

  • Perform network changes in line with Change Management processes

  • Ensure compliance with internal and client policies, processes, and standards

  • Prepare network analysis reports with detailed findings

  • Participate in operational review meetings and ticket reviews

  • Support improvement initiatives and ongoing projects

  • Conduct project-to-operations handover after commissioning

  • Provide internal knowledge transfer and team training

  • Maintain and update operations documentation (technical documents, CMDB, etc.)

  • Participate in standby duty and extended support when required

🔹 Required Qualifications & Experience

  • Minimum 5+ years of experience in network operations and administration

  • Strong hands-on experience with:

    • Cisco Routers / Switches / WLAN

  • Diploma or Degree in Engineering / IT or related field

  • Cisco CCNP certification (mandatory)

  • Strong understanding of routing and switching technologies

  • Experience working in enterprise or managed services environments

🔹 Technical Skills

Networking & Security

  • Cisco Network Infrastructure

  • Routing protocols: OSPF, EIGRP, BGP

  • VLAN, STP, Port Channel

  • Firewall technologies (Palo Alto / Checkpoint / Fortinet)

  • Bluecoat Proxy

  • Cisco ISE

Load Balancing & Optimization

  • F5 Load Balancer (LTM)

Monitoring & Security Tools (Preferred)

  • SolarWinds

  • Splunk

  • CyberArk

  • RSA

  • Tenable

  • Trend Micro

Automation (Preferred)

  • Python / Ruby scripting

  • Ansible / Chef / Algosec

🔹 Soft Skills

  • Strong analytical and troubleshooting skills

  • Ability to multitask and prioritise effectively

  • Good written and verbal communication skills

  • Comfortable working in a multi-cultural environment