Network Engineer L2

Telefónica Tech; Hartford; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading NextGen Tech solutions provider in the UK is seeking an L2 Network Engineer to manage and support network infrastructure and security systems. The successful candidate will work on troubleshooting complex issues, optimizing performance, and maintaining accurate documentation. Ideal candidates will have experience with enterprise networks and hold certifications in Cisco, Fortinet, or Aruba. Flexibility for 24/7 on-call participation and appropriate transport access is needed. This role is integral for ensuring network efficiency and security operations.

Qualifications

• Experience managing enterprise networks, including LAN/WAN/WLAN.
• Proficiency in troubleshooting complex network issues.
• Ability to maintain accurate network documentation.

Responsibilities

• Support network and security infrastructure.
• Optimize network performance and scalability.
• Prepare reports on network performance and security.

Skills

Enterprise LAN/WAN/WLAN management

Cisco

HPE

Aruba

Firewall technologies (Fortinet, Cisco)

Network monitoring tools

Education

Cisco certification

Fortinet certification

Aruba certification

Job description

The L2 Network Engineer will cover management, maintenance and support of network infrastructure, perimeter security systems and network management platforms.

Responsibilities

• Supporting network and security infrastructure
• Troubleshooting complex network issues, identifying network bottlenecks, and implementing solutions to ensure optimal network performance
• Optimizing network infrastructure to ensure maximum performance and scalability.
• Maintain accurate network documentation, including network diagrams, configurations, and inventory records
• Prepare regular reports on network performance, availability, and security
• Day-to-day patching, maintenance and operation of the above in secure environments
• Continual improvement of the systems based on changing demands
• Liaising with various departments within the business
• Coordinating with 3rd party suppliers and partners to support, maintain and implement these systems

Qualifications

• Experience of enterprise LAN/WAN/WLAN management
• Experience of Cisco, HPE, Aruba
• Experience of firewall technologies, particularly Fortinet, Cisco.
• Experience of network monitoring, troubleshooting and management tools
• Desirable: Cisco certification
• Desirable: Fortinet certification
• Desirable: Aruba certification

Additional Information

• This role requires participation in 24/7 On-call, which operates on a rotational basis.
• Must have the right to live and work in the UK.
• Due to our location, access to own transport is essential.
• Must meet Security Clearance requirements if this is a requirement of the role and any offer would be conditional upon the successful candidate passing BPSS which includes a criminal record check

About the Company

Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities. We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market‑leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany. The Telefónica Tech UK&I hub has an end‑to‑end portfolio of market‑leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Digital Workplace and Cyber Security & Networking. Values: Open, Bold, Trusted Trusted Partners:

Trusted Partners

• Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
• HPE: Platinum Partner - FY23 UK&I Solution Provider of the Year
• Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
• Fortinet: Elite VIP Program - one of only 2 in the UK
• AWS: Advanced Solution & Managed Service Provider Program