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Senior L4 Network Engineer/Architect – MPLS Network Engineering
6 days ago
JOB DESCRIPTION Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.We are seeking a Senior L4 Network Engineer/Architect to lead the design and delivery of carrier-grade MPLS networks integrated with fiber and DWDM ring architectures for large-scale, mission-critical environments. This role will define architecture direction, drive complex deployments across geographically diverse venues, and mentor engineering teams while ensuring compliance with stringent SLAs and security standards. The ideal candidate combines deep expertise in MPLS Layer 2/3 VPNs, traffic engineering, and optical transport technologies with hands-on experience in Cisco routing platforms, QoS, and network resiliency.Key ResponsibilitiesArchitect 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.Required QualificationsActive 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 QualificationsExperience 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.Work Style & TravelMust reside in the Los Angeles metro area and work onsite at client office in Downtown LA.Off-hours change windows required for critical migrations and testing.Applicants must be legally authorized to work in the United States at the time of application and must not require sponsorship for employment visa status now or in the future.Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting salary range for this onsite role is $160K-$190K plus bonus. This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate's actual work location, relevant experience, technical skills, and other qualifications.This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include 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, and additional voluntary or legally required benefits.Workplace type: On-site WorkingAbout NTT DATANTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.Equal Opportunity EmployerNTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.Third parties fraudulently posing as NTT DATA recruiters
