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Sr Network Engineer

Infinite Computer Solutions (ICS)United States🇺🇸United States

Quick overview

SeniorityMid Senior
Work modeHybrid
LocationUnited States
GitPCI DSSTCP/IPAnsibleDNSPowerShellPythonVMwareiOSRESTNetwork Administration

Job description

Senior Network Engineer
Job Title: Senior Network Engineer Data Center, Network Security & Automation
Experience: 8+ Years Preferred
Job Summary
We are seeking an experienced Senior Network Engineer responsible for designing, implementing, maintaining, securing, and optimizing enterprise network infrastructure across multi-tenant and multi-data-center environments.
The ideal candidate will have strong expertise in Layer 2/Layer 3 networking, advanced routing and switching, data center fabric architectures, network security, software-defined networking, cloud connectivity, and network automation using Cisco, Arista, Python, Ansible, and related technologies.
Required Technical Skills
  • Networking & Routing: TCP/IP, UDP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, VRF, VLAN, STP, VRRP, MLAG, vPC, Anycast, RPKI.
  • Data Center Networking: VXLAN, EVPN, MPLS, Underlay/Overlay Networks, FabricPath, Multi-Tenant and Multi-Data-Center Architectures.
  • Network Platforms: Cisco IOS/NX-OS, Arista EOS, Enterprise Routers and Switches.
  • Network Security: IPsec, SSL/TLS, DMVPN, DDoS Protection, Network Segmentation, PCI DSS.
  • Software-Defined Networking: SD-WAN, NFV, Cloud Provider Peering, Hybrid Cloud Connectivity.
  • Automation & Scripting: Python, Ansible, PowerShell, Netmiko, NETCONF, NAPALM, Jinja2, YAML, JSON, REST APIs, GitLab, NetBox.
  • Virtualization: VMware vMotion, HCX, VxRail and Virtualized Network Infrastructure.
  • Network Operations: Network Monitoring, Troubleshooting, Performance Optimization, RCA, Change Management and Technical Documentation.
Key Roles and Responsibilities
  1. Design, deploy, configure, and maintain highly available enterprise network infrastructure across multi-tenant and multi-data-center environments.
  2. Implement and manage Layer 2 and Layer 3 networking solutions using Cisco IOS/NX-OS, Arista EOS, and enterprise routing and switching technologies.
  3. Configure, optimize, and troubleshoot dynamic routing protocols, including BGP, OSPF, and EIGRP, along with complex routing policies and traffic engineering.
  4. Design and maintain data center underlay and overlay network architectures using MPLS, VXLAN, EVPN, VRF, and related fabric technologies.
  5. Implement and support network security solutions, including IPsec VPN, SSL/TLS, DMVPN, network segmentation, DDoS mitigation, and PCI DSS security controls.
  6. Deploy and maintain software-defined networking solutions, including SD-WAN, NFV, cloud provider peering, and hybrid cloud connectivity.
  7. Develop and implement network automation solutions using Python, Ansible, PowerShell, Netmiko, NETCONF, NAPALM, Jinja2, YAML, JSON, and REST APIs.
  8. Configure and manage network redundancy and high-availability technologies, including VRRP, MLAG, vPC, STP, and Anycast.
  9. Manage internet peering, public IP address allocation, BGP routing policies, and network traffic protection mechanisms.
  10. Troubleshoot complex network connectivity, routing, switching, security, and performance issues across all layers of the OSI model and perform root cause analysis.
  11. Support VMware-based networking environments, including vMotion, HCX, VxRail, and integration with enterprise data center infrastructure.
  12. Perform network monitoring, capacity planning, configuration management, infrastructure upgrades, incident resolution, and disaster recovery support.
  13. Automate network provisioning, configuration validation, deployment, and operational workflows using GitLab, NetBox, vendor APIs, and infrastructure automation tools.
  14. Develop and maintain network architecture diagrams, technical design documents, configuration standards, implementation procedures, and operational runbooks.
  15. Collaborate with network architects, cybersecurity teams, cloud engineers, infrastructure teams, and business stakeholders to deliver secure, scalable, and reliable networking solutions.

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