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L3 Network Engineer

Posted Updated
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Salary: $7,000 – $9,000 per month

Contract Duration: 6-Month Contract Renewable
Working Hour: Monday to Friday, 9am to 6pm


Role Overview

We are seeking an experienced L3 Network Engineer to deliver enterprise network and security projects and provide advanced technical support for managed services and NOC operations. The role involves network design, implementation, troubleshooting, monitoring and automation across multi-vendor environments.

Key Responsibilities

  • Deliver network and security projects across LAN, WAN, Data Centre and hybrid cloud environments.

  • Perform network deployment, configuration, migration, upgrade and cutover activities.

  • Design and implement scalable, resilient and secure network architectures.

  • Prepare HLD/LLD, MOPs, implementation plans, rollback procedures and as-built documentation.

  • Provide L3 troubleshooting, root cause analysis, performance tuning and network optimization.

  • Configure and troubleshoot BGP, OSPF, VLAN, STP, MPLS, SD-WAN, VXLAN and IPsec VPN.

  • Implement and support security solutions including Palo Alto, Fortinet and Check Point firewalls, NAT, IDS/IPS, segmentation and secure access controls.

  • Support SIEM and log integration, including QRadar, where required.

  • Deploy and integrate network infrastructure with monitoring platforms, including NetGain Systems Cloud Vista / EMedge.

  • Configure and manage SNMP, Syslog, NetFlow, telemetry, alert thresholds and monitoring policies.

  • Support infrastructure onboarding into managed services and NOC environments, including operational handover and knowledge transfer.

  • Develop automation using Python, Bash and Ansible for configuration deployment, monitoring onboarding, health checks and reporting.

  • Work with NOC teams, vendors and stakeholders to ensure successful project delivery and operational acceptance.

Requirements

  • 5–10 years of relevant network engineering experience, including 3 or more years of network project delivery experience.

  • Hands-on experience in enterprise or multi-site network environments.

  • Strong knowledge of routing and switching, including BGP, OSPF, VLAN and STP.

  • Experience with MPLS, SD-WAN, IPsec VPN and Data Centre networking.

  • Hands-on experience with Palo Alto, Fortinet or Check Point firewalls.

  • Experience with network monitoring and NMS technologies, including SNMP, Syslog and NetFlow.

  • Experience with Python, Bash and/or Ansible for network automation.

  • Experience in managed services or NOC environments is an advantage.

  • Strong troubleshooting, analytical, documentation and stakeholder communication skills.

Preferred Qualifications

  • Bachelor’s degree in IT, Computer Engineering or a related discipline, or equivalent practical experience.

  • CCNP or equivalent certification.

  • Palo Alto PCNSE, Fortinet NSE 4/NSE 7 or ITIL Foundation certifications are an advantage.

  • Experience with **NetGain Systems


Interested candidates, please click on the following link to begin your job search journey and submit your curriculum vitae (CV) directly.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd (""PERSOL"") and its local and overseas subsidiaries and affiliates to collect, use and disclose your personal data to prospective employers/companies based in any country for purposes of evaluating suitability for employment, conducting reference checks, administering employment related services, complying with Government’s health advisories and such other purposes stated in our Privacy Policy.

We may use artificial intelligence (""AI"") and machine learning technologies to support our recruitment and placement services, including screening resumes, assessing qualifications and experience, and identifying skills and job matches. Where permitted by applicable law, we may also use such personal data to develop, train, test, improve and/or fine-tune AI and machine learning technologies that support our recruitment and business operations.

For more information on how we collect, use, disclose and protect your personal data, please refer to our Privacy Policy: https://www.persolsingapore.com/policies. If you wish to withdraw your consent, including consent relating to the use of your personal data for AI-enabled recruitment activities and AI development activities, please email us at ••••@persolapac.com.

PERSOL Singapore Pte Ltd • UEN No. 200007268E • EA License No. 01C4394 • EA Registration No. R25135730 (Toh Wen Qi, Celeste)

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