SME - Wireless Networking
United Kingdom
Job Description
SME - Wireless Networking
City Of London, England

Job Summary

Network Engineer

Key Responsibilities

Provide 2nd line support for extranet and external connectivity services • Monitor, troubleshoot, and resolve connectivity, routing, firewall, and certificate issues • Support partner onboarding and offboarding, following approved patterns and procedures • Troubleshoot low latency connectivity and performance issues for latency sensitive services • Assist with BGP routing troubleshooting, including route visibility and failover scenarios • Investigate incidents, provide timely updates, and contribute to root cause analysis (RCA) • Work closely with Network, Security, and Application teams to resolve cross domain issues • Execute approved changes and maintenance activities • Maintain and follow runbooks, SOPs, and operational documentation • Participate in on call or shift based support (where applicable) • Automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office specific support and stakeholder management

Skill Requirements

Solid understanding of TCP/IP networking, routing, and DNS • Working experience with BGP & Arista (basic peering, route advertisement, and troubleshooting) • Working experience with Multicast • Working experience with networking Hardware • Exposure to low latency networking concepts, including: • Latency, packet loss, and jitter awareness • Path selection and basic performance troubleshooting • Hands on experience with firewall technologies, including: • Policy implementation and troubleshooting • NAT and access control rules • Experience supporting VPN technologies (IPSec, SSL, site to site) • Understanding of TLS/SSL and certificate management • Operational experience on Linux/Unix platforms • Ability to analyze logs, alerts, and basic packet captures • Familiarity with incident and change management processes 

Other Requirements

 To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions. o Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes o If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others. o OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes. o Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues. o Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda. o Take ownership for managing risk and strengthening controls in relation to the work done. o Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function. o Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy. o Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively. o Communicate complex information. \'Complex\' information could include sensitive information or information that is difficult to communicate because of its content or its audience. o Influence or convince stakeholders to achieve outcomes.

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.