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About the Role

The Senior Network Engineer – Wireless role focuses on enhancing the reliability, security, user experience, and operational resilience of wireless networks across National Grid sites. This position will lead the design, deployment, optimization, and lifecycle management of enterprise WLAN services in various environments, including predictive and onsite wireless surveys, RF analysis, and design production. The role supports key initiatives like hardware replacement, Wi-Fi enhancements, SD-WAN integration, and alternative connectivity solutions, collaborating with diverse stakeholders to deliver robust wireless solutions.

Responsibilities

Design, deploy, and optimize enterprise wireless LAN solutions across office, operational, and industrial environments, ensuring reliable, secure, and scalable connectivity.
Conduct predictive and onsite wireless surveys, RF analysis, coverage assessments, and post-deployment validation using Ekahau, Hamina, or equivalent wireless survey tooling.
Lead troubleshooting for complex Wi-Fi issues including authentication, roaming, interference, coverage gaps, capacity constraints, and performance degradation.
Create and update low-level designs for Wi-Fi, NAC, wireless authentication, role-based access, and related network services.
Produce accurate Bills of Materials for new wireless deployments, refresh programs, hardware upgrades, and wider network modernization initiatives.
Support Wi-Fi lifecycle management including hardware refresh, software updates, capacity planning, standards alignment, and operational readiness.
Provide specialist support for Aruba ClearPass and CISCO ISE network access control capabilities including 802.1X, RADIUS, profiling, policy enforcement, and role-based access.
Support Wi-Fi deployments alongside high-speed internet connectivity services overlayed with SD-WAN technology.
Contribute to alternative connectivity options including 5G cellular-enabled networking platforms such as Cradlepoint, satellite connectivity, disaster recovery, rapid deployment, and facility expansion use cases.
Work with stakeholders across IT, operations, platform teams, vendors, managed service providers, and project teams to define requirements and deliver scalable wireless solutions.
Create and maintain high-quality documentation including wireless standards, RF designs, low-level designs, implementation records, as-built documents, survey reports, BoMs, support runbooks, and handover materials.
Interpret network analytics, wireless performance data, and incident trends to identify structural improvements and improve service reliability.
Support major incidents, problem investigations, planned changes, and escalations relating to wireless network services or performance.
Support planned network changes and maintenance activities outside normal business hours where required.
Participate in an on-call rota for critical network incidents and service restoration.
Contribute to peer reviews, technical governance, best practices, automation opportunities, and knowledge sharing across the Network Engineering Chapter.
Operate within a SAFe Agile delivery model, actively participating in agile ceremonies, managing work through Jira, and collaborating with cross-functional teams to deliver network engineering outcomes.

Requirements

Bachelor's degree in a related field or equivalent combination of education and experience.
10+ years of enterprise network engineering experience, with a strong focus on wireless network design, deployment, optimization, and troubleshooting.
Extensive experience with Cisco and Aruba WLAN solutions, including Aruba ClearPass (802.1X, RADIUS, profiling, and policy enforcement).
Experience supporting large-scale Wi-Fi environments across office, operational, and industrial settings.
Proficiency with wireless survey and design tools (e.g., Ekahau, Hamina).
Experience with Cradlepoint or similar 5G networking solutions.
Strong stakeholder management, vendor coordination, communication, and documentation skills.
Ability to travel as needed for site surveys and deployment activities.
Ability to work without the need for current or future visa sponsorship.

Skills

RF design
Channel planning
Interference mitigation
Coverage planning
Capacity planning
Roaming
Wi-Fi technologies and standards (Wi-Fi 5, 6, 6E, and 7)
WLAN authentication
NAC integration
RADIUS
Role-based access
Network security best practices
Enterprise wireless controllers
Cloud-managed Wi-Fi platforms
Wireless analytics tools
Wireless troubleshooting
LAN switching
SD-WAN
Segmentation
Internet connectivity
Secure network design
Network analytics
Wireless performance metrics
Survey results analysis
Packet capture analysis
Operational data analysis
Network design production
Implementation plan production
Standards documentation
Runbook creation
Operational documentation creation
Ekahau
Hamina
Aruba ClearPass
CISCO ISE
Cradlepoint
Jira

Location

Brooklyn, NY

Work Type

Hybrid

Experience Level

Senior
10+ years

Education Level

Bachelor's degree or equivalent combination of education and experience

Salary/Compensations

$122k- $143k a year

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 will not be providing visa sponsorship for this position now or in the future. You must have the ability to work without a need for current or future visa sponsorship.
National Grid utilizes an assessment that evaluates the job qualifications/characteristics using AI or statistically based scoring. For more information, please view NYC Local Law 144.
This position has a career path which provides for advancement opportunities within and across bands as you develop and evolve in the position; gaining experience, expertise and acquiring and applying technical skills. Candidates will be assessed and provided offers against the minimum qualifications of this role and their individual experience.
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.