Consulting Solution Architect – Key Accounts

FFP International Search; Sheffield; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading consultancy firm is seeking a Senior Consulting Solution Architect to lead engagements with customers in the UK and internationally. The ideal candidate will have over 10 years of experience in ISP and Telco networking, strong expertise in network protocols such as BGP and MPLS, and the ability to design and implement future-state architectures. This role requires excellent communication skills and the capacity to work independently within high-performing teams.

Qualifications

• 10+ years’ experience in ISP / Telco networking environments.
• Strong expertise in networking protocols like BGP, OSPF, and MPLS.
• Solid understanding of TCP / IP security and network troubleshooting.

Responsibilities

• Lead solution architecture engagements with key customers.
• Assess existing environments and design future-state architectures.
• Build trusted advisory relationships and provide technical leadership.

Skills

Layer 2 and Layer 3 networking expertise

Strong communication skills

Customer focus

Tools

Cisco

Juniper

Nokia

Job description

Consulting Solution Architect – Key Accounts (United Kingdom)

We are seeking a senior Consulting Solution Architect / Senior Sales Engineer to lead advanced solution architecture engagements with key network operator customers in the UK and internationally. This role involves direct technical engagement at CTO and senior architect level, shaping network strategy and influencing technology decisions.

You will assess existing environments, design future-state architectures, and support hands‑on implementation. Working with small, high‑performing teams, you will build trusted advisory relationships and provide technical leadership across complex ISP and Telco networks.

Key Requirements

• 10+ years’ experience in ISP / Telco networking environments
• Strong expertise in Layer 2 and Layer 3 networking and routing protocols (BGP, OSPF, IS‑IS, MPLS)
• Solid understanding of TCP / IP, security (ACLs, firewalls, VPNs), and network troubleshooting
• Experience with network management, OSS / BSS systems, and API‑based integrations (REST / JSON)
• Knowledge of EVPN / VXLAN and modern network architectures
• Ability to work independently with high autonomyExcellent communication skills and strong customer focus

Desirable

• Cloud, SaaS, and SDN experience
• Familiarity with Cisco, Juniper, and Nokia platforms
• Relevant technical certifications