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DNA AI TECHNOLOGIES PTE. LTD.

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Network Engineer

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Description

Key Responsibilities

1. Network Architecture, Operations & Support

  • Design, configure, deploy, and maintain core enterprise network infrastructure, including switches, routers, firewalls, wireless networks, and load balancers.

  • Provide L2/L3 production support, managing complex incidents, service requests, and Requests for Change (RFCs) across network environments.

  • Lead network diagnostic troubleshooting during high-priority incidents and drive rapid root-cause analysis (RCA) and preventive resolution.

  • Perform proactive performance monitoring, capacity planning, latency optimization, and bandwidth utilization tracking.

  • Participate in rotating on-call shifts and scheduled after-hours maintenance activities.

2. Network Security, Governance & Compliance

  • Implement and manage next-generation firewalls (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower), VPN gateways, and intrusion prevention systems (IPS).

  • Define and enforce network access control (NAC), perimeter security policies, micro-segmentation, and zero-trust security frameworks.

  • Oversee routine firmware updates, vulnerability patching, security risk assessments, and network audit compliance.

  • Drive Business Continuity Planning (BCP) and Disaster Recovery (DR) execution, ensuring seamless network failover protocols.

3. Automation, Cloud & Infrastructure Projects

  • Collaborate with enterprise architects and cloud operations teams to build and manage hybrid-cloud connectivity (AWS DirectConnect, Azure ExpressRoute, GCP Cloud Interconnect).

  • Develop and maintain network automation scripts (Python, Ansible, Terraform) to streamline configuration deployments and routine operational tasks.

  • Manage vendors, service providers, and telco carriers for WAN/SD-WAN link provisioning, circuit maintenance, and SLA compliance.

  • Create, update, and maintain comprehensive network topology diagrams (Visio), Standard Operating Procedures (SOPs), runbooks, and inventory records.

Qualifications & Requirements

Experience & Education

  • Total Experience: 5 to 8+ years of hands-on enterprise networking experience, preferably within a financial services, telecommunications, or regulated enterprise IT environment.

  • Education: Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related discipline.

Technical Competencies

  • Routing & Switching: Deep expertise in core networking protocols including BGP, OSPF, EIGRP, STP, VXLAN, MPLS, and IPv4/IPv6.

  • Firewalls & Security: Hands-on administration of Palo Alto, Fortinet, Check Point, or Cisco ASA firewalls, site-to-site IPsec VPNs, and Remote Access VPNs.

  • Hardware Platforms: Strong command of enterprise-grade hardware (Cisco Catalyst/Nexus, Arista, Juniper, HPE/Aruba).

  • Load Balancing & SASE: Experience with F5 BIG-IP (LTM/GTM), Citrix ADC, or SD-WAN solutions (Velocloud, Versa, Silver Peak).

  • Network Automation: Proficiency in Python or Ansible for network configuration management and automated compliance checking.

  • Monitoring & Analysis: Experience using enterprise network monitoring and packet analysis tools (Wireshark, SolarWinds, PRTG, Splunk, ThousandEyes).

Industry Certifications (Preferred)

  • Cisco: CCNP Enterprise / CCNP Security or CCIE (a strong advantage).

  • Security & Cloud: PCNSE (Palo Alto), NSE 4+ (Fortinet), or AWS Certified Advanced Networking.

Key Soft Skills

  • Exceptional diagnostic, analytical, and troubleshooting mindset under high-pressure outage scenarios.

  • Strong written and verbal communication skills for presenting network changes and project updates to cross-functional stakeholders.

  • Proven ability to collaborate effectively with application support, cybersecurity, and cloud engineering teams.

Skills

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See also

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