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Open nowPosted 9 days ago

L3 Network Engineer - 12 months agency contract

MyCareersFuture94,028 open roles

Pay
SGD 7,000 – SGD 9,200 a month
Where
Singapore
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Your applicationOpen nowL3 Network Engineer - 12 months agency contractMyCareersFuture · Singapore

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The clock on this job

Early applications get read.

7.7% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 1.6%1 day
  2. 3.3%3 days
  3. 7.7%7 days
  4. 14.0%14 days
  5. 33.7%30 days
This job: posted 9 days ago

The posting

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: 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 [email protected].

PERSOL Singapore Pte Ltd • RCB No. 200007268E • EA License No. 01C4394• Reg. R26159701 (Noor Eliza Chai Binti Ibrahim Essini Chai)

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