Senior Network Engineer

Title: Senior Network Engineer Position is open to both Atlanta, GA and Markham, Canada Offices Job Description Senior Network Engineer will be responsible for the design, implementation, and operation of enterprise hybrid cloud network architecture, integrating public clouds (AWS, Alibaba Cloud, Huawei Cloud, Azure) with on-premise environments. They will also lead the deployment, optimization, and maintenance of remote access and secure networking platforms, including VPN, SASE, and SD-WAN, ensuring secure and efficient connectivity for large-scale users worldwide. Lastly, they will design and manage complex AWS networking environments - including VPC design, Transit Gateway, Direct Connect, Route 53, Security Groups, and inter-region connectivity - ensuring high availability, scalability, and compliance. Responsibilities • Manage and maintain enterprise firewalls, with extensive hands-on experience in Palo Alto and FortiGate for policy configuration, VPN management, and log analysis. • Plan, deploy, and troubleshoot hybrid and multi-cloud connectivity, covering routing, authentication, VPN, DNS, and traffic optimization. • Operate and optimize wireless networks, including enterprise Wi-Fi design, controller management, and performance troubleshooting. • Work with virtualization and infrastructure platforms, including VMware and cloud networking environments. • Implement automation and monitoring using Python and AI tools to enhance operational efficiency; apply Infrastructure as Code (Terraform) and NetDevOps practices to streamline configuration management. • Support PKI systems and certificate management to ensure secure authentication and encrypted connectivity. • Collaborate with global IT and Security teams to ensure network compliance, performance, and security across all environments. • Maintain accurate technical documentation, including AWS network architecture diagrams, firewall policies, automation scripts, and SOPs. Job Requirements • Bilingual in both English and Mandarin is a must • Bachelor's degree or above in Computer Science, Network Engineering, or related field; 3+ years of relevant enterprise networking experience. • Expert-level knowledge of AWS networking, including VPC, Transit Gateway, Direct Connect, Route 53, Security Groups, and hybrid cloud interconnection. • Proven hands-on experience in VPN, SASE, and SD-WAN technologies, supporting large-scale remote or branch-office deployments. • Solid experience with public clouds (AWS, Alibaba Cloud, Huawei Cloud, Azure) and hybrid cloud architectures. • Strong operational knowledge of Palo Alto and FortiGate firewalls, including policy management, VPN setup, and troubleshooting. • Familiar with VMware virtualization and enterprise wireless network deployment and tuning. • Understanding of PKI, digital certificates, and enterprise authentication systems. • Proficient in core networking protocols (TCP/IP, DHCP, DNS, VLAN, routing, authentication), with strong troubleshooting and root cause analysis skills. • Experience with automation and AI-assisted network operations using Python. • Knowledge of Infrastructure as Code (IaC) and tools such as Terraform; familiar with NetDevOps principles, workflows, and toolchains. • Strong communication, ownership, and documentation skills; able to work independently in global teams. • Preferred certifications: AWS Advanced Networking Specialty, PCNSE, NSE7/NSE8, CCNP/CCIE, VMware VCP, Terraform Associate.