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About the Role

As a Principal Network Engineer, you will lead the design, implementation, and lifecycle management of resilient, secure, and scalable WAN, LAN, WLAN, and SD-WAN network services. You will create accurate low-level designs and implementation plans, provide strategic guidance on network architecture, and ensure operational readiness, security, performance, and reliability across enterprise network platforms. This role operates under a hybrid working model and is based out of the Brooklyn, NY office.

Responsibilities

Design, implement, and maintain WAN, LAN, WLAN, and SD-WAN infrastructure, ensuring high availability, security, resiliency, and scalability.
Provide technical expertise and strategic guidance on network architecture, upgrades, lifecycle management, and emerging technologies.
Lead network projects and complex technical workstreams, acting as both a team leader and an individual contributor.
Collaborate with internal stakeholders, managed service providers, and vendors to ensure requirements are understood, risks are managed, and solutions are delivered effectively.
Create and maintain comprehensive network documentation including network engineering standards, configurations, diagrams, low-level designs, implementation records, as-built documents, and operational processes.
Support major incidents, problem investigations, and escalations relating to network services or performance, driving troubleshooting to resolution and identifying structural improvements.
Support planned network changes and maintenance activities outside normal business hours.
Participate in an on-call rota to provide out-of-hours support for critical network incidents and service restoration.
Prepare operational readiness by creating and maintaining configuration standards, support runbooks, and handover material.
Stay current with industry trends and innovations, recommending practical improvements that enhance capability, standardization, automation, and service quality.
Continually identify opportunities to leverage automation, AI, and SRE practices to streamline delivery, improve network reliability, increase operational resilience, and support the evolution towards intelligent network operations.
Partake in peer reviews, technical governance, and knowledge sharing across the Network Engineering Chapter.
Coach, mentor and have line management responsibilities for a small team of network engineers (2-6).
Operate within a SAFe Agile delivery model, with active participation in agile ceremonies, effective management of work through Jira, and collaboration with cross-functional teams.

Requirements

Bachelor's degree in a related field or equivalent combination of education and experience.
10+ years of experience in enterprise network engineering and architecture.
Cisco CCNP required; CCIE preferred.
Azure Network Engineer (AZ-700), Cisco DevNet, SAFe Agilist, or similar certifications preferred.
Experience developing technical documentation, network standards, and implementation/support artifacts.
Experience with network automation tools such as Ansible, NetBrain, and Python.
Strong stakeholder management, vendor engagement, and collaboration skills.
Advanced knowledge of BGP, OSPF, SD-WAN (Cisco Viptela), carrier WAN, and internet services.
Expertise in Cisco LAN technologies, including VLANs, STP, EtherChannel, stacking, redundancy, and QoS.
Experience with Cisco and Aruba wireless and network access solutions (WLAN, ISE, ClearPass).
Strong Layer 2/3 routing, switching, wireless, and troubleshooting skills.
Knowledge of network security, internet gateways, and secure connectivity practices.
Experience with Azure networking and hybrid cloud connectivity.
Understanding of cloud networking, resiliency, scalability, and automation.
Proven experience creating detailed network designs, implementation plans, change records, runbooks, and operational documentation.
Must have the ability to work without a need for current or future visa sponsorship.

Skills

Network Design
Network Implementation
Lifecycle Management
WAN
LAN
WLAN
SD-WAN
Network Architecture
Network Security
Network Performance
Network Reliability
Automation
AI
SRE
Agile Methodologies
SAFe
Jira
Stakeholder Management
Vendor Engagement
BGP
OSPF
Cisco Viptela
Carrier WAN
Internet Services
Cisco LAN
VLANs
STP
EtherChannel
Stacking
Redundancy
QoS
Cisco Wireless
Aruba Wireless
Network Access Solutions
ISE
ClearPass
Layer 2 Routing
Layer 3 Routing
Switching
Wireless Networking
Troubleshooting
Internet Gateways
Secure Connectivity
Azure Networking
Hybrid Cloud Connectivity
Cloud Networking
Resiliency
Scalability
Ansible
NetBrain
Python
Technical Documentation
Network Standards
Implementation Artifacts
Support Artifacts

Location

Brooklyn, NY

Work Type

Hybrid

Experience Level

10+ years of experience in enterprise network engineering and architecture
Principal level

Education Level

Bachelor's degree in a related field or equivalent combination of education and experience
Cisco CCNP required
CCIE preferred
Azure Network Engineer (AZ-700) certification preferred
Cisco DevNet certification preferred
SAFe Agilist certification preferred

Salary/Compensations

$165k - $194k a year

Benefits

Career path with advancement opportunities

About the Company

Every day we deliver safe and secure energy to homes, communities, and businesses.
We connect people to the energy they need for the lives they live.
The pace of change in society and our industry is accelerating and our expertise and track record puts us in an unparalleled position to shape the sustainable future of our industry.
To be successful we must anticipate the needs of our customers, reducing the cost of energy delivery today and pioneering the flexible energy systems of tomorrow.
IT and Digital works in a harmonised partnership with the National Grid group of diverse energy businesses to deliver technology which revolutionises the way we operate.
As we lead the charge towards a carbon-free future, our teams are embracing disruptive changes in our industry by working with Agile methodologies and adopting Digital mindsets to drive efficiency and bring new capabilities for our internal and external customers.
National Grid moves energy to millions of homes and businesses in the UK and US and the technology we utilise to complete that task is down to us.
The successful applicant for this position will be an integral contributor towards this goal and we will support your professional development as part of our multi-cultural, customer-centric global team.
Our vision is to be recognised as a world leading Information Technology and Digital function in the energy sector and a trusted partner across National Grid businesses.

Equal Opportunity

National Grid is committed to providing equal employment opportunities to all employees and applicants for employment regardless of protected class.
We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other protected status in accordance with applicable federal, state, and local laws.
National Grid maintains affirmative action programs for individuals with disabilities and protected veterans.
Our employment practices are designed to ensure that all individuals are treated fairly and with respect throughout the hiring process and during employment.
National Grid complies with all applicable federal, state, and local anti-discrimination laws.
We are dedicated to fostering a workplace that is free from unlawful discrimination and harassment, and we encourage a culture of respect for all.