Cisco-Certified Network Engineer – Global Infra & UC

SGI; Greater London; On-site; GBP 65,000 - 95,000; Full time

Job summary

SGI in London is seeking an experienced Network Engineer to design, implement and support the company’s critical LAN/WAN/WLAN and voice infrastructure. You will join a global team delivering high availability, security and resilience for a financial services environment.

Expect ownership of projects and collaboration with vendors and internal stakeholders. The role requires Cisco-certified engineers with hands-on routing, switching, firewall and UC experience, plus scripting capabilities for

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 5+ years hands-on network engineering experience.
• Cisco certifications are a must-have (CCNA/CCNP preferred).

Responsibilities

• Design, implement and support enterprise LAN, WAN, WLAN and VPN infrastructure
• Configure and maintain Cisco routing, switching and firewall technologies
• Support enterprise voice and unified communications platforms, including SIP trunks and Session Border Controllers
• Monitor, optimise and troubleshoot network performance and availability
• Deliver infrastructure upgrades, migrations and continuous improvement projects
• Provide 3rd line support for complex networking and voice issues
• Work closely with internal stakeholders, vendors and global infrastructure teams
• Contribute to network security, disaster recovery and business continuity initiatives.

Skills

Network engineering

CCNA/CCNP

Cisco Routing & Switching

Firewalls

LAN/WAN/WLAN

VPN

VoIP & UC

BGP & OSPF

Python/Ansible scripting

Education

Bachelor’s degree in Computer Science

Job description

SGI in London is seeking an experienced Network Engineer to design, implement and support the company’s critical LAN/WAN/WLAN and voice infrastructure. You will join a global team delivering high availability, security and resilience for a financial services environment.

Expect ownership of projects and collaboration with vendors and internal stakeholders. The role requires Cisco-certified engineers with hands-on routing, switching, firewall and UC experience, plus scripting capabilities for