Remote Senior Network Engineer - Multi-Vendor Core & Automation

C4 Technical Services; Littleton (CO); A distancia; USD 120.000 - 160.000; A tiempo parcial

Descripción de la vacante

C4 Technical Services seeks a Senior Network Engineer to design, implement, and operate large-scale ISP core networks. You will work across Juniper MX/EX and Arista EOS devices, handling Layer 3 routing, MPLS, and security architectures in a remote USA environment.

Responsibilities include building robust routing, configuring IS-IS/OSPF/BGP, and applying policy controls. Strong scripting and automation skills with Ansible and Python are required, along with mentoring teammates and documenting

Formación

• 7+ years of hands-on network engineering in large-scale service provider environments.
• Proven experience designing, implementing, and troubleshooting complex routed network solutions.
• Industry certifications such as JNCIP/JNCIE, Arista ACE, Fortinet FCP, CCNP or equivalent are desirable.

Responsabilidades

• Core Network Engineering: Design, implement, and maintain complex Juniper and Arista network infrastructures for large ISP cores, edges and aggregation.
• IP Routing & MPLS: Configure and troubleshoot Layer 3 routing (IS-IS, OSPF, BGP), MPLS, and L3VPN VRF design.
• BGP Policy Control: Develop and implement BGP policies using policy statements, prefix lists, route maps and communities.
• Juniper Junos: Configure and manage Juniper MX/EX devices, VRFs, VPLS, IRB.
• Arista EOS: Deploy and manage Arista fabrics with VXLAN/EVPN, MLAG, CVP, ZTP, telemetry.
• Layer 2 & Redundancy: Configure VLANs, LAG/LACP, MLAG, STP, VRRP.
• Firewall & Security: Configure FortiGate policies, NAT, VPNs, and HA clusters in SP networks.
• Automation: Use Ansible and Python to automate config, deployments and routines.
• Troubleshooting, Documentation & Mentorship: Escalation point for incidents, maintain diagrams and SOPs, mentor juniors.

Conocimientos

Juniper MX/EX series

Arista EOS

BGP/MPLS IS-IS OSPF

FortiGate firewalls

Linux scripting (Python)

Ansible automation

Network automation

Herramientas

Ansible

Python

Descripción del empleo

C4 Technical Services seeks a Senior Network Engineer to design, implement, and operate large-scale ISP core networks. You will work across Juniper MX/EX and Arista EOS devices, handling Layer 3 routing, MPLS, and security architectures in a remote USA environment.

Responsibilities include building robust routing, configuring IS-IS/OSPF/BGP, and applying policy controls. Strong scripting and automation skills with Ansible and Python are required, along with mentoring teammates and documenting