We are seeking a Senior Network Specialist responsible for designing, implementing, and maintaining network and cloud infrastructure across on-premises and multi-cloud environments. The ideal candidate will ensure scalable, reliable, and secure networks that meet business objectives and performance requirements.
Responsibilities
Network Operations & Support
- Design, configure, and install various network devices and services (e.g., routers, switches, firewalls, VPN, QoS).
- Perform routine network maintenance, system upgrades, and apply security patches/configurations.
- Monitor network/system performance, availability, and capacity to ensure reliability and plan for growth.
- Provide Level 2/3 support and troubleshoot complex network issues.
- Maintain accurate documentation including network diagrams and VPN configurations for support teams.
- Implement disaster recovery procedures and ensure business continuity.
Network & Security
- Implement and manage firewall rules, access control, and network segmentation.
- Collaborate with the security team to enforce network and data protection policies.
- Ensure compliance with security standards and update protection systems (e.g., antivirus, intrusion prevention).
Cloud Networking & Hybrid Environment
- Design and implement cloud-based network architecture on platforms such as AWS, Azure, OCI, and Tencent.
- Set up hybrid connectivity between on-premises and cloud environments, including Direct Connect and Megaport.
- Configure and manage VPCs, subnets, route tables, NAT gateways, and internet gateways.
- Apply hub-and-spoke architecture models to optimize traffic flow and centralize shared services.
- Troubleshoot issues in cloud networking and infrastructure.
Automation & Collaboration
- Automate network deployments and management using scripting tools or Infrastructure as Code (e.g., Terraform, CloudFormation).
- Work with cross-functional teams to implement cloud and network solutions.
- Train and support Level 0/Service Desk teams by providing guidance or documentation.
- Stay updated with emerging technologies, trends, and best practices in networking and cloud security
Requirements
Technical Skills
- 5+ years of hands-on experience in network engineering.
- Strong knowledge of networking protocols: IPSEC, HSRP, BGP, OSPF, 802.11, QoS.
- Deep understanding of the OSI and TCP/IP models.
- Experience with network diagnostic and monitoring tools.
- Proficiency in configuring and troubleshooting routers, switches, and firewalls.
- Strong understanding of cloud networking (AWS, Azure, OCI, Tencent).
- Familiarity with Infrastructure as Code (Terraform, CloudFormation).
Certifications & Education
- Bachelor’s degree in Computer Science, Information Technology, or related field.
- Professional certifications such as CCNP, CCIE, or CISSP are highly valued.