Lead Principal Network Engineer - Internet Edge
Location: Nashville, TN, or Austin, TX
Key responsibilities
Core Responsibilities
Key Responsibilities
L3/L4 Network Topologies and Overlays:
• Lead multi-region architecture for IP planning and routing (BGP/OSPF/IS-IS), EVPN/VXLAN, and SDN overlays across on prem, cloud, and interconnects.
• Define failure domains, TE, HA/ECMP patterns; validate via labs, failure/chaos testing, and staged rollouts across org boundaries.
• Codify standards and reference designs; drive adoption beyond the immediate LOB.
Cloud Networking Implementation and Operations:
• Design and operate VPC/VNet hub-and-spoke, TGW/VCN transit, PrivateLink/service endpoints, NAT, and hybrid/inter-cloud.
• Engineer scalable L4/L7 load balancing and service insertion; implement blue/green and canary strategies aligned to SLOs and cost targets.
• Create golden blueprints for consistent, compliant deployments across programs and regions.
Network Security Controls and Compliance Guardrails:
• Architect zero-trust segmentation, ACL/policy frameworks, IPsec/TLS, and DDoS/WAF integrations; design control evidence paths.
• Lead rulebase lifecycle management to reduce attack surface and technical debt; partner with Security/GRC on audits.
• Embed preventative controls (policy-as-code, least privilege, change guardrails) in pipelines.
Automation, CI/CD, and Infrastructure as Code:
• Own reusable Terraform modules and Ansible collections; enforce code quality, policy-as-code, and test gates in CI/CD.
• Build validation/drift tooling and orchestration (Python/APIs); standardize source-of-truth and GitOps practices across teams.
• Track and improve DORA metrics (lead time, deployment frequency, change failure rate, MTTR).
Monitoring, Telemetry, and SLOs:
• Define SLIs/SLOs and architect telemetry pipelines (SNMP, streaming telemetry, NetFlow/IPFIX, flow logs) for health, capacity, and security.
• Lead cross-team capacity/performance reviews; forecast growth and optimize placement/routing.
• Drive problem management; eliminate repeat incidents through durable fixes.
Cross-Team Collaboration and Operations Excellence:
• Lead complex change events and incidents across teams; manage risk, stakeholder comms, and post-incident actions.
• Advise LOB leadership on trade-offs (reliability, cost, compliance) and vendor/technology choices.
• Influence partner roadmaps and evaluate features for TCO and resiliency improvements.
Documentation, Reviews, and Standards:
• Publish authoritative design docs, diagrams, runbooks, and LOB standards; ensure traceability to requirements and controls.
• Run design/change reviews; capture decisions and lessons learned; evolve reference architectures and modules.
• Mentor engineers through reviews, pairing, and tech talks; foster inclusive collaboration.
Core Responsibilities
Planning & Execution:
• Manages and provides direction on timelines, deliverables, and budgets when applicable for critical high-impact projects or initiatives that impact the line of business, ensuring timely completion and adherence to requirements. Anticipates and plans for shifts in resources or timelines based on changing business priorities, ensuring optimal outcomes.
Collaboration & Partnership:
• Influences cross-functional leaders and external stakeholders to gain alignment on strategic objectives. Fosters partnerships with key business leaders, stakeholders, and/or customers, identifying opportunities for expanding partnerships and promoting long-term organizational success. Champions transparency and inclusivity by actively seeking, listening to, and incorporating diverse perspectives.
Problem Solving:
• Leads specialized, advanced problem-solving efforts, serving as an escalation point for complex issues. Guides others to leverage innovative data-driven techniques to address ambiguous or novel issues, identify root causes, and drives the implementation of solutions that prevent future issues.
Continuous Learning:
• Leverages deep industry knowledge and expertise to serve as a thought leader within the organization. Contributes to the advancement of the field or industry through thought leadership (e.g., conference presentations, white papers, research contributions). Maintains and evolves expertise in relevant areas by proactively monitoring emerging trends, technologies, and industry standards, ensuring the organization remains current with best practices. Champions continuous learning and knowledge sharing, promoting professional development across teams. Applies new knowledge to drive advancement and mentors others to do the same.
Continuous Improvement:
• Develops innovative solutions and drives the implementation of ideas that increase the efficiency and effectiveness of processes, protocols, and workflows across the organization. Evaluates effectiveness of updated approaches and methods for continued improvement to enhance efficiencies and ensure changes align with organizational goals. Designs and develops metrics to measure success of improvement initiatives.
Performance and Development:
• Serves as a subject matter expert regarding talent needs and organizational talent strategy. Imparts leadership and expert knowledge throughout the talent development pipeline including candidate interviews, candidate assessment, and hiring decisions, ensuring alignment with organizational talent strategy.
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