NTT DATA, Inc. · 2 hours ago
Senior L4 Network Engineer/Architect – MPLS Network Engineering
California, United States
Full-time
Onsite
Senior Level, Lead/Staff
$160K/yr - $190K/yr
10+ years expNTT DATA is a leading business and technology services provider, committed to innovation and client success. They are seeking a Senior L4 Network Engineer/Architect to design and deliver carrier-grade MPLS networks while ensuring compliance with stringent SLAs and security standards. The role involves mentoring teams, driving complex deployments, and collaborating with various stakeholders.
Information Technology & Services
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
Required
Active CCIE (Enterprise Infrastructure or Service Provider track strongly preferred)
10+ years in carrier-grade WAN engineering, including 5+ years MPLS architecture and deployment experience
Proven expertise in MPLS L2/L3 VPN, traffic engineering, and QoS strategies
Strong knowledge of optical transport technologies (DWDM, dark fiber design, OTDR testing)
Hands-on experience with Cisco Catalyst 8500/ASR platforms, IOS-XE, and network automation tools
Familiarity with BGP, OSPF, IS-IS, and advanced routing policy design for large-scale networks
Preferred
Experience with DWDM system design, optical power budgeting, and fiber route diversity planning
Knowledge of DDoS mitigation, cybersecurity hardening, and integration with SOC platforms
Exposure to SD-WAN, cloud connectivity, and hybrid MPLS/Internet architectures
Benefits
Medical, dental, and vision insurance
Flexible spending or health savings account
Life, and AD&D insurance
Short-and long-term disability coverage
Paid time off
Employee assistance
Participation in a 401k program with company match
Additional voluntary or legally required benefits
Company
NTT DATA, Inc.
NTT DATA, Inc. is a trusted global innovator of business and technology services.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Chris Paulen
Chief Technology Officer
Robert Kastronis
Principal Architect, CSD_Technology Strategy|CTO Office|NTT
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