Senior Network Engineer, Interconnect & Transport Services

CommandLink

4d•$120,000 - $160,000

About The Position

CommandLink owns and operates its own network infrastructure, and this role is responsible for building and supporting the connectivity layer that underpins our managed network services business. This includes private circuits, carrier interconnects, NNIs, cloud interconnect, and data center presence. This is a service-provider-oriented engineering role, focused on taking connectivity designs from concept to production, with hands-on experience working directly with carriers and data centers.

Requirements

Hands-on network engineering experience from a service provider, carrier, MSP, ISP, data center, or managed connectivity environment.
Strong working knowledge of Layer 2 and Layer 3 networking including VLANs, QinQ, trunks, NNIs, BGP, MPLS, VRFs, routing policy, IP addressing, and carrier Ethernet.
Demonstrated experience turning up and troubleshooting carrier circuits, cross-connects, and customer handoffs.
Ability to read and produce network diagrams, port maps, IP plans, VLAN assignments, and circuit documentation.
Comfortable working directly with carriers, data centers, and vendors through the full circuit lifecycle.

Nice To Haves

Experience with Azure ExpressRoute or similar private cloud interconnect services.
Familiarity with MPLS L2VPN/L3VPN, EVPN, VPLS, or carrier Ethernet design patterns.
Exposure to dark fiber, wavelength services, or optical transport concepts.
Experience with network automation, scripting, or configuration templating.
Certifications such as CCNA, CCNP, JNCIA, JNCIP, or MEF.

Responsibilities

Design, configure, and support Layer 2 and Layer 3 network services including VLANs, QinQ, NNIs, MPLS, VRFs, BGP, OSPF, static routing, carrier Ethernet handoffs, and point-to-point circuits.
Engineer and support carrier interconnects, NNIs, Ethernet transport, wavelength services, dark fiber handoffs, and IP transit from circuit delivery through turn-up testing and troubleshooting.
Configure and support private cloud connectivity services including Azure ExpressRoute, covering BGP peering, VLAN tagging, routing policies, redundancy, and bandwidth profiles.
Validate physical and logical handoffs during circuit turn-ups, including optics, cabling, MTU, VLAN mapping, BGP sessions, and route exchange.
Support data center and colocation deployments including hardware staging, rack installation, cabling, optics, cross-connects, and vendor coordination.
Serve as an escalation point for complex connectivity, routing, and transport issues across Layer 1, Layer 2, and Layer 3.
Develop and maintain repeatable configuration templates, provisioning runbooks, and troubleshooting documentation.
Collaborate with NOC, support, implementation, and sales engineering teams and participate in maintenance windows for network changes and circuit migrations.
Takes on additional responsibilities and projects as needed to support the success of the team and organization.