- Singapore
Kerja Sepenuh Masa L3 Network Engineer - 12 months agency contract, Gaji tinggi SGD 9,200 di PERSOL - Maukerja
Kongsi
Simpan
Lokasi Kerja
Penerangan Kerja
Tanggungjawab
Duration: 1 year
Working Hours: 8.30am - 6pm, Monday - Fridays. Standby and shift work may be required
Location: Central - Roaming may be required
Key Responsibilities
1. Project Delivery & Implementation
Lead end-to-end delivery of network and security projects (LAN, WAN, DC, Hybrid Cloud)
Execute deployment, configuration, migration, and cutover activities
Develop MOPs, implementation plans, and rollback procedures
Ensure smooth transition from project delivery to managed services/NOC operations
2. Network Design & Architecture
Design scalable, resilient, and secure network architectures (Campus, Data Centre, Multi-site)
Produce HLD and LLD documentation
Implement segmentation, zoning, and high-availability (HA) designs
Support hybrid environments integrating on-prem and cloud
3. Monitoring, Observability & NetGain Integration
Deploy and integrate monitoring platforms such as NetGain Systems (Cloud Vista, EMedge)
Configure SNMP, credential polling, and telemetry collection across network and server infrastructure
Define alert thresholds, policies, and tuning strategies aligned with operational baselines
Integrate monitoring with incident workflows and escalation models in NOC environments
4. Security Implementation
Implement and manage firewalls (e.g., Palo Alto Networks, Fortinet, Check Point)
Configure VPNs, NAT, IDS/IPS, and Zero Trust access controls
Support SIEM integration (e.g., QRadar) and log forwarding strategies
Ensure compliance with security frameworks (e.g., ISO 27001)
5. Managed Services & NOC Alignment
Align project deliverables with managed services operating models (L1/L2/L3 support)
Define monitoring KPIs, SLAs, and alerting thresholds for steady-state operations
Support onboarding of devices into NMS platforms and ensure observability readiness
Work closely with NOC teams for knowledge transfer and operational acceptance
6. Automation & Optimization
Develop automation scripts (Python, Bash, Ansible) for:
Configuration deployment
Monitoring onboardingHealth checks and reporting
Improve operational efficiency through automation of repetitive tasks
Integrate APIs from network devices and monitoring tools where applicable
7. Troubleshooting & Performance Optimization
Provide L3 support for complex network and security issues
Conduct root cause analysis (RCA) and implement preventive improvements
Perform failover testing, performance tuning, and validation
8. Documentation & Reporting
Maintain detailed network diagrams and system documentation
Prepare project status reports, risk logs, and technical write-ups
Deliver as-built documentation and operational handover materials
Technical Requirements
Core Networking
Strong hands-on experience in Routing & Switching (BGP, OSPF, VLANs, STP)
Strong hands-on experience with WAN technologies (MPLS, SD-WAN, IPsec VPN)
Hands-on experience with Data Centre networking (VXLAN, Spine-Leaf architecture)
Security
Hands-on experience with at least one enterprise firewall platform, preferably Palo Alto Networks, Fortinet, or Check Point
Experience with IDS/IPS, NAT, segmentation, and network hardening
Practical understanding of secure access and Zero Trust concepts
Monitoring & NMS
Experience with NetGain Systems Cloud Vista / EMedge is preferred
Hands-on experience with SNMP (v2c/v3), Syslog, and NetFlow
Experience with enterprise monitoring/NMS tools such as ManageEngine or SolarWinds is an advantage
Automation
Practical scripting experience with Python, Bash, or PowerShell
Hands-on experience with automation tools, preferably Ansible
Experience with API integration across network/security platforms
Experience in infrastructure-as-code is a plus
Systems & Cloud (Good to Have)
Working knowledge of Microsoft Azure / AWS networking
Linux (RHEL/Rocky) and Windows Server fundamentals
Virtualization (VMware / Hyper-V)
Experience & Qualifications
Bachelor’s degree in IT, Computer Engineering, or related field (or equivalent practical experience)
5–10 years of hands-on network engineering experience, with
at least 5+ years of direct network project delivery and implementation experience, beyond day-to-day operations/support
Hands-on experience delivering network infrastructure projects across enterprise or multi-site environments
CCIE certifications are required for this role
Strong experience working across multi-vendor network and security environments
Experience with network design, implementation, migration, and cutover activities
Experience in large-scale environments (multi-site, 100+ devices), onboarding infrastructure into monitoring platforms, and with network automation and API integrations
Experience in managed services or NOC environments
Experience providing L3 troubleshooting and technical support
Strong troubleshooting and analytical skills
Project delivery and execution mindset
Client-facing communication and stakeholder management
Ability to operate in fast-paced, multi-project environments
Leadership and mentoring capability
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: ************* 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 *************
PERSOL Singapore Pte Ltd • RCB No. 200007268E • EA License No. 01C4394• Reg. R26159701 (Noor Eliza Chai Binti Ibrahim Essini Chai)
PERSOL is Asia-Pacific’s leading Staffing and HR solutions partner, operating across 13 markets with deep local insight and regional scale. With more than 80 offices and decades of experience, we deliver integrated workforce solutions that are tailored, tech-enabled, and designed for the dynamic world of work.
We combine human expertise with smart technology to help organisations solve workforce challenges, unlock potential, and stay ahead of change. From recruitment and talent management to workforce strategy and advisory, our collaborative approach puts your goals at the centre.
In 2025, we came together under the PERSOL name — reflecting our bold vision for the future of work and our Group’s Vision: Work and Smile.
Whether you’re building teams, growing careers, or transforming how work gets done, we’re here.
By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd 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.
Our full Privacy Policy is available at ************* If you wish to withdraw your consent, please drop us an email at "*************" to let us know. Please feel free to contact us if you have any queries.
For more information, please visit *************
Working Hours: 8.30am - 6pm, Monday - Fridays. Standby and shift work may be required
Location: Central - Roaming may be required
Key Responsibilities
1. Project Delivery & Implementation
Lead end-to-end delivery of network and security projects (LAN, WAN, DC, Hybrid Cloud)
Execute deployment, configuration, migration, and cutover activities
Develop MOPs, implementation plans, and rollback procedures
Ensure smooth transition from project delivery to managed services/NOC operations
2. Network Design & Architecture
Design scalable, resilient, and secure network architectures (Campus, Data Centre, Multi-site)
Produce HLD and LLD documentation
Implement segmentation, zoning, and high-availability (HA) designs
Support hybrid environments integrating on-prem and cloud
3. Monitoring, Observability & NetGain Integration
Deploy and integrate monitoring platforms such as NetGain Systems (Cloud Vista, EMedge)
Configure SNMP, credential polling, and telemetry collection across network and server infrastructure
Define alert thresholds, policies, and tuning strategies aligned with operational baselines
Integrate monitoring with incident workflows and escalation models in NOC environments
4. Security Implementation
Implement and manage firewalls (e.g., Palo Alto Networks, Fortinet, Check Point)
Configure VPNs, NAT, IDS/IPS, and Zero Trust access controls
Support SIEM integration (e.g., QRadar) and log forwarding strategies
Ensure compliance with security frameworks (e.g., ISO 27001)
5. Managed Services & NOC Alignment
Align project deliverables with managed services operating models (L1/L2/L3 support)
Define monitoring KPIs, SLAs, and alerting thresholds for steady-state operations
Support onboarding of devices into NMS platforms and ensure observability readiness
Work closely with NOC teams for knowledge transfer and operational acceptance
6. Automation & Optimization
Develop automation scripts (Python, Bash, Ansible) for:
Configuration deployment
Monitoring onboardingHealth checks and reporting
Improve operational efficiency through automation of repetitive tasks
Integrate APIs from network devices and monitoring tools where applicable
7. Troubleshooting & Performance Optimization
Provide L3 support for complex network and security issues
Conduct root cause analysis (RCA) and implement preventive improvements
Perform failover testing, performance tuning, and validation
8. Documentation & Reporting
Maintain detailed network diagrams and system documentation
Prepare project status reports, risk logs, and technical write-ups
Deliver as-built documentation and operational handover materials
Technical Requirements
Core Networking
Strong hands-on experience in Routing & Switching (BGP, OSPF, VLANs, STP)
Strong hands-on experience with WAN technologies (MPLS, SD-WAN, IPsec VPN)
Hands-on experience with Data Centre networking (VXLAN, Spine-Leaf architecture)
Security
Hands-on experience with at least one enterprise firewall platform, preferably Palo Alto Networks, Fortinet, or Check Point
Experience with IDS/IPS, NAT, segmentation, and network hardening
Practical understanding of secure access and Zero Trust concepts
Monitoring & NMS
Experience with NetGain Systems Cloud Vista / EMedge is preferred
Hands-on experience with SNMP (v2c/v3), Syslog, and NetFlow
Experience with enterprise monitoring/NMS tools such as ManageEngine or SolarWinds is an advantage
Automation
Practical scripting experience with Python, Bash, or PowerShell
Hands-on experience with automation tools, preferably Ansible
Experience with API integration across network/security platforms
Experience in infrastructure-as-code is a plus
Systems & Cloud (Good to Have)
Working knowledge of Microsoft Azure / AWS networking
Linux (RHEL/Rocky) and Windows Server fundamentals
Virtualization (VMware / Hyper-V)
Experience & Qualifications
Bachelor’s degree in IT, Computer Engineering, or related field (or equivalent practical experience)
5–10 years of hands-on network engineering experience, with
at least 5+ years of direct network project delivery and implementation experience, beyond day-to-day operations/support
Hands-on experience delivering network infrastructure projects across enterprise or multi-site environments
CCIE certifications are required for this role
Strong experience working across multi-vendor network and security environments
Experience with network design, implementation, migration, and cutover activities
Experience in large-scale environments (multi-site, 100+ devices), onboarding infrastructure into monitoring platforms, and with network automation and API integrations
Experience in managed services or NOC environments
Experience providing L3 troubleshooting and technical support
Strong troubleshooting and analytical skills
Project delivery and execution mindset
Client-facing communication and stakeholder management
Ability to operate in fast-paced, multi-project environments
Leadership and mentoring capability
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: ************* 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 *************
PERSOL Singapore Pte Ltd • RCB No. 200007268E • EA License No. 01C4394• Reg. R26159701 (Noor Eliza Chai Binti Ibrahim Essini Chai)
PERSOL is Asia-Pacific’s leading Staffing and HR solutions partner, operating across 13 markets with deep local insight and regional scale. With more than 80 offices and decades of experience, we deliver integrated workforce solutions that are tailored, tech-enabled, and designed for the dynamic world of work.
We combine human expertise with smart technology to help organisations solve workforce challenges, unlock potential, and stay ahead of change. From recruitment and talent management to workforce strategy and advisory, our collaborative approach puts your goals at the centre.
In 2025, we came together under the PERSOL name — reflecting our bold vision for the future of work and our Group’s Vision: Work and Smile.
Whether you’re building teams, growing careers, or transforming how work gets done, we’re here.
By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd 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.
Our full Privacy Policy is available at ************* If you wish to withdraw your consent, please drop us an email at "*************" to let us know. Please feel free to contact us if you have any queries.
For more information, please visit *************
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