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NTT DATA · 3 weeks ago

Senior L4 Network Engineer/Architect – MPLS Network Engineering

Sacramento, CA

Full-time

Onsite

Senior Level, Lead/Staff

$160K/yr - $190K/yr

10+ years exp

NTT DATA is a leading business and technology services provider renowned for its technical excellence and innovation. The Senior L4 Network Engineer/Architect will lead the design and delivery of carrier-grade MPLS networks, ensuring compliance with stringent SLAs and security standards while mentoring engineering teams.

Application Performance ManagementCloud ManagementEnterprise SoftwareInformation Technology

No H1B

Responsibilities

Architect MPLS Core and Edge Solutions: Design MPLS-based WAN services supporting IP-VPN, L2VPN, and multicast over fiber and DWDM rings; ensure compliance with SLA-driven latency, jitter, and packet loss requirements

Plan Optical Transport Integration: Engineer DWDM ring topologies for high-capacity backbone connectivity; define optical budgets, protection schemes, and diverse path strategies for dark fiber deployments

Implement High Availability & Diversity: Design redundant ingress/egress paths, dual-homed PoPs, and geographically diverse fiber routes to meet 99.995% uptime targets

Traffic Engineering & QoS: Apply MPLS TE, RSVP-TE, and hierarchical QoS to optimize bandwidth allocation across multiple venues and critical applications

Security & Segmentation: Integrate MPLS VPN segmentation with Zero Trust principles; enforce encryption (MACsec/IPsec) and compliance with FCC and cybersecurity standards

Performance Testing & SLA Assurance: Develop KPIs, conduct end-to-end load testing, and validate optical and MPLS performance using OTDR, iPerf, and ThousandEyes

Automation & Orchestration: Utilize Cisco IOS-XE programmability, Ansible, and API-driven workflows for zero-touch provisioning and lifecycle management

Documentation & Governance: Produce HLD/LLD, as-built diagrams, fiber route maps, and compliance artifacts; maintain iterative design updates throughout project lifecycle

Stakeholder Collaboration: Work closely with service providers, fiber partners, and security teams to ensure seamless integration of MPLS and optical transport layers

Qualification

MPLS architectureCisco routing platformsOptical transport technologiesTraffic engineeringQoS strategiesDWDM designNetwork automationBGP knowledgeDDoS mitigationCybersecurity hardeningSD-WAN exposure