Senior Network Engineer, Edge & Optical Transport

Lightning AI

. Own the operation, reliability, and growth of the edge network and optical transport infrastructure .

Posted 11/12/2026full-timeRemote • United StatesSenior💰 $180,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in operating and managing edge and backbone networks, with a strong focus on Juniper PTX routers, DWDM optical transport systems, and automation using Python and Ansible. Proven ability to troubleshoot complex network issues, plan resilient connectivity solutions, and collaborate effectively with cross-functional teams.

Highest-signal resume keywords

Juniper PTX Router ConfigurationDWDM Optical Transport SystemsIPv4/IPv6 Routing and PeeringNetwork Automation with PythonNetwork Monitoring and Telemetry

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Juniper PTX RoutersJunos OS/EvolvedBGP RoutingOptical Line SystemsNetwork TroubleshootingCapacity PlanningEthernet ServicesRouting Policy ManagementAutomation with AnsibleFault Isolation

Soft Skills

Strong Documentation SkillsEffective CommunicationIndependent Work PrioritizationIssue Resolution OwnershipCollaboration with External Providers

Tools & Technologies

PythonAnsibleSmartoptics M32Smartoptics M40Network Monitoring ToolsAPIs

Industry Keywords

Edge Network ManagementBackbone Network OperationsData Center InterconnectHigh-Capacity EthernetCarrier DiversityDDoS MitigationRPKI-based Route ValidationIncident ResponseRoot Cause AnalysisTelecom Infrastructure

Tech Stack

Tools & technologies

AnsibleCloudPython

About the role

Key responsibilities & impact

Own the operation, reliability, and growth of the edge network and optical transport infrastructure
Operate, configure, and expand Juniper PTX edge and backbone routers
Manage internet transit, private and public peering, and external connectivity using IPv4/IPv6, eBGP/iBGP, routing policy, prefix filtering, and route validation
Deploy and maintain Smartoptics M32 and M40 optical line systems for DWDM transport and data center interconnects
Troubleshoot failures across packet and optical layers
Plan resilient paths and capacity across edge, backbone, and optical networks
Coordinate circuit delivery, cross-connects, turn-ups, acceptance testing, and fault resolution with external providers and vendors
Automate provisioning, configuration validation, backups, and operational checks using Python, Ansible, APIs, or similar tools
Improve telemetry and alerting for routing health, interface utilization, errors, optical performance, and service availability
Execute planned maintenance with validation and rollback procedures; participate in incident response and root cause analysis
Maintain network diagrams, circuit and wavelength inventories, IP addressing records, configuration standards, and operational runbooks
Collaborate with data center networking, compute, platform, and operations teams to deliver reliable connectivity

Requirements

What you’ll need

5+ years of experience operating production edge, backbone, service provider, or large-scale data center networks
Hands-on experience with Juniper PTX routers and Junos OS/Evolved, including configuration, troubleshooting, upgrades, and routing policy management
Strong knowledge of IPv4/IPv6, BGP, internet routing, peering and transit, route filtering, and failure detection and convergence
Practical experience operating DWDM optical transport or open line systems, including wavelength planning, optical power budgets, fiber loss, and alarm troubleshooting
Ability to isolate faults across router interfaces, transceivers, optical line systems, fiber spans, and carrier circuits
Experience planning and turning up high-capacity Ethernet and data center interconnect services, with attention to redundancy and service acceptance
Experience using Python, Ansible, or similar tools to automate network operations and validate changes
Experience with network monitoring, telemetry, and capacity planning, and with executing production changes using validation and rollback plans
Strong documentation and communication skills; ability to independently prioritize work, coordinate with external providers, and own issues through resolution
Ideal: Direct experience deploying and operating Smartoptics M32 and M40 line systems and their management tools
Ideal: Experience with coherent optics, OSNR, pre-FEC error rates, optical power meters, or OTDRs
Ideal: Experience with multi-region backbone design, dark fiber services, carrier diversity, and data center interconnect architecture
Ideal: Familiarity with RPKI-based route origin validation, IRR filtering, and DDoS mitigation providers
Ideal: Experience integrating edge networks with data center fabrics, cloud connectivity, or AI infrastructure environments
Ideal: Experience working in a high-growth infrastructure company with a small team and a high degree of ownership

Benefits

Comp & perks

Discretionary bonus
Meaningful equity component / RSUs
Medical, dental, and vision coverage for employees and eligible dependents
401(k) matching (U.S.)
Pension contributions (U.K.)
Unlimited PTO
Company holidays and floating holidays
Paid parental and family leave
Annual learning and development allowance
Wellness stipend
Work-from-home stipend
Four weeks of paid sabbatical leave after four years of service
Flexible schedules
Hybrid work model for office-based teams
Complimentary meals at office hubs