Senior Network Engineer
Purple Drive
Overview: Location: Plano, Texas (Onsite - 4 days/week) Role: Senior Network Engineer Experience Required: 10+ Years Job Summary We are seeking an experienced Senior Network Engineer with strong expertise in enterprise networking, data center infrastructure, and hybrid cloud connectivity. The ideal candidate will have hands-on experience with Cisco Nexus switching, enterprise firewalls (Fortinet FortiGate and Palo Alto), and Azure networking services such as ExpressRoute . This role will be responsible for designing, implementing, and supporting secure, scalable, and highly available network environments across on-premises data centers and Microsoft Azure cloud platforms. Key Responsibilities Network Infrastructure Design & Implementation
- Design, implement, and maintain enterprise data center network infrastructure , including switching, routing, and segmentation.
- Configure and manage Cisco Nexus switches supporting Layer 2 and Layer 3 networking, including VLANs, vPC, STP, and high availability architectures .
- Implement and troubleshoot routing protocols such as BGP and OSPF to ensure stable and optimized network traffic.
- Manage and administer Fortinet FortiGate and Palo Alto firewalls , including:
- Security policy configuration
- NAT setup
- VPN connectivity
- Traffic inspection and monitoring
- Ensure proper network segmentation, access controls, and infrastructure-level security .
- Configure and maintain hybrid connectivity between on-premise data centers and Microsoft Azure .
- Implement and support Azure Virtual Networks and Azure ExpressRoute connectivity.
- Support secure and reliable communication between cloud workloads and enterprise data centers .
- Diagnose and resolve complex network, firewall, and cloud connectivity issues affecting servers, applications, and database systems.
- Perform traffic path analysis, routing validation, and firewall log analysis during production incidents.
- Conduct root cause analysis for network outages or performance issues.
- Monitor network performance and availability using network monitoring and observability tools .
- Ensure high availability and minimal downtime for enterprise network services.
- Collaborate with infrastructure, cloud, security, and system engineering teams to maintain stable enterprise IT operations.
- Support critical infrastructure services including SQL database connectivity, backup routing, and application traffic flows .
- 10+ years of experience in enterprise networking and network engineering .
- Strong hands-on experience with Cisco Nexus switching platforms .
- Deep understanding of Layer 2 and Layer 3 networking concepts including VLANs, trunking, routing, and segmentation.
- Experience with routing protocols such as BGP and OSPF .
- Hands-on experience managing Fortinet FortiGate and Palo Alto firewalls .
- Experience supporting Azure networking services including Virtual Networks and ExpressRoute .
- Strong troubleshooting experience in hybrid environments (on-premise + Azure cloud) .
- Experience supporting enterprise infrastructure networks and application connectivity .
- Experience with data center high availability architectures and redundancy design .
- Knowledge of network monitoring and observability tools .
- Understanding of enterprise security best practices and network segmentation strategies .
- Experience supporting critical enterprise systems including database and backup traffic routing .
- Network Engineering
- Cisco Nexus
- BGP / OSPF
- Fortinet FortiGate
- Palo Alto Firewall
- Azure ExpressRoute
- Network Security
Vacancy posted 17 hours ago
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