Consulting Solution Architect, Key Account - United Kingdom

Calix; City of Westminster; On-site; GBP 70,000 - 90,000; Full time

Job summary

A prominent technology firm is seeking a Sales Engineer/Solution Architect in the UK to engage with customer architects at the CTO level. The ideal candidate will have at least 10 years of ISP/Telco experience, a deep understanding of network protocols, and a strong ability to influence technology choices. Responsibilities include designing target architectures and providing technical leadership. This role demands strong troubleshooting skills and excellent communication abilities, enabling effective interaction with senior technical staff.

Qualifications

• 10+ years of network-related experience in ISP/Telco environments.
• Strong ability to troubleshoot complex L3/L2 issues.
• Experience in building relationships with senior technical staff.

Responsibilities

• Engage in technical discussions with customer architects.
• Design target architectures and implement designs.
• Influence technology choices for network architecture.

Skills

Network related experience in ISP/Telco environments

Knowledge of OSI layer 3 networks and protocols

Knowledge of routing protocols (BGP, OSPF, etc.)

Understanding of network security methodologies

Strong troubleshooting skills

Strong customer focus

Strong written and verbal communications

Tools

Cisco

Juniper

Nokia routing platforms

Visio

Job description

We are looking for dynamic, curious, motivated, and self-starting Sales Engineer/Solution Architect to join our team in the UK. This position is responsible for technical engagement with the customer architects at CTO level. You will be responsible for understanding a customer's existing environment, designing target architectures, and hands‑on implementation of designs.

The candidate must be independent, proactive and comfortable working in small teams with similarly elite personnel. In this role, you will build strong trusted relationships, interact with, and influence senior technical staff and CTOs within Calix's network operator customers. You will have the ability to influence their technology choices and network architecture. The ideal candidate has a strong technical background, experience from a similar position with a proven track record of selling advanced network solutions to network operators at the highest level.

• At least 10 years of network related experience in ISP/Telco environments
• In-depth knowledge of OSI layer 3 networks and protocols, including broadcast, multicast, anycast concepts, routing, etc.
• In-depth knowledge with various routing protocols (BGP, OSPF, ISIS, MPLS)
• In-depth knowledge of OSI layer 2 and practical experience, including various flavors of STP, ARP, QOS, etc.
• In-depth knowledge of TCP/IP networking, load balancing, firewalls, HTTP, SSL, DNS, DHCP
• Strong ability to troubleshoot complex issues related to hardware, L3/L2 deployment, application behaviors and TCP stack
• Solid understanding of network security methodologies, including but not limited to: ACLs, Stateful firewalls, VPNs (tunneling, IPsec, PPTP, etc.)
• Strong knowledge of network management and orchestration platforms
• Strong knowledge of operational and support (BSS/OSS) systems and understanding interactions with APIs (REST/JSON) including design, integration, and troubleshooting considerations
• Experience with VLAN Stretching technologies (EVPN, VXLAN)
• Ability to provide assessment / audit of existing network, infrastructure & services
• Ability to quickly analyze situations, identify problems, and provide solutions
• Ability to work independently with minimal oversight and high autonomy
• Provide leadership and guide customers on technical and operational issues within areas of expertise
• Strong customer focus, ownership, urgency and drive
• Strong written and verbal communication skills

Preferred additional Skills/Experience

• Specialty Certifications are preferred
• Experience with cloud and SaaS technologies and solutions
• Experience with SDN
• Experience with Cisco, Juniper and Nokia routing platforms.
• Skilled in using Visio and other network documentation