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Principal Network & Security Architect

Location:
Tewksbury, MA
Salary:
130,000
Posted:
July 23, 2026

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Resume:

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Billerica, MA

CONTACT

EDUCATION

CORE COMPETENCE

Vincent Njemnobi

Seasoned Principal Global Network and Security Architect with 15+ years of experience designing and delivering high-availability large scale complex network infrastructures. Expert in integrating cutting-edge technology to enhance security, reliability and operational efficiency with a strong focus on security, scalability, performance and driving multi-vendor architectural standard across global deployment.

Selected Projects

Replaced legacy MPLS for branch connectivity with SD-WAN resulting to 45% annual cost savings.

Architected multi-domain EVPN-VXLAN solution for cloud interconnect, reducing cross-site L3 latency by 40% and enabling automated onboarding. Decreased security incident by deploying advanced web application firewall and refining intrusion detection/prevention systems. Led a lift and shift data centre migration project from onsite to Colo and multi cloud environments.

Led a complex network router/switch migration from Cisco to Arista hardware

EXPERIENCE

PROFESSIONAL SKILLS

Network Design: (DC, LAN/WAN, Campus,

Multi-Cloud)

Routing: OSPF, BGP, MPLS, IS-IS.

DC Fabrics: VPN-VXLAN. Spine-Leaf

SD-WAN: (Cisco, Palo Alto, Aruba,

Fortinet).

Cloud: (AWS, Google, Azure)

Automation: (Python. Ansible, Terraform)

Monitoring: (SNMP, NetFlow, Grafana.

IPV6, QOS, Capacity planning.

Segmentation: VPN, Firewall (Palo Alto,

Checkpoint, Cisco ASA).

Stakeholder communication, vendor

management, technical documentation.

Technology evaluation and

implementation

Compliance regulation.

Disaster recovery planning.

Network automation and optimization.

Security policies compliance and

implementation.

Efficiency improvement at low cost.

Network design and implementation.

Network infrastructure refresh & upgrade

Team training and mentoring.

Bachelors Science in Computer Science.

Cisco Certified Network Professional

(CCNP).

AWS Certified Advanced Networking –

Speciality.

Senior Global Network and Security Architect

Profile

Franklin Templeton (Contract) Boston, MA

Senior Network Architect June 2024 – Present

• Replaced legacy MPLS for branch connectivity with SD-WAN to support company merger and resulted in 45% annual cost savings.

• Migrated legacy IPV4-only network to dual stack IPV4/IPV6 for corporate services, enabling IPV6 adoption across internal servers.

• Architected and migrated enterprise workloads to AWS using Transit gateway and AWS direct connect establishing hybrid connectivity for 1000+ servers and cross site connectivity SLA.

Putnam Investments Boston, MA

Senior Global Network and Security Architect Oct 2018 – June 2024

• Led SD-WAN rollout across 26 remote offices and 4 cloud environments, consolidating MPLS and broadband links, reducing monthly WAN expense by 40% while improving application availability.

• Designed BGP based multi-homed Internet edge with prefix filtering and DDoS mitigation strategies, reducing incident-driven routing disruption.

• Designed and managed enterprise IAM and federation solution accounts.

• Managed day-to-day operations and strategic initiatives for the network engineering team, ensuring optimal performance.

Emerson Hospital

Network and Security Engineer

Concord, MA

Feb 2010 – Oct 2018

• Assisted in the design and implementation of enterprise network solution.

• Supported day to day LAN/WAN operations of 8 hospital locations.

• Monitored network performance metrics and resolved connectivity issues



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