WAN & Core Network Design Architect

BT Group; United Kingdom; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Annual bonus 10%

25 days holiday

Online private GP 24/7

Carers leave

Parental leave

Discounts on EE/BT products

Pension scheme

Holiday buy scheme

Job summary

BT Group is seeking an experienced Network Architect to design WAN and core network solutions across a large shared infrastructure. You will become the SME for core network design and operate across edge, firewall, Wi-Fi and data centre environments, guiding engineering and support teams.

You will also contribute to standardization, automation, and evaluating new technologies, ensuring secure, resilient connectivity for customers and national infrastructure partners.

Qualifications

• Experience with Cisco and Juniper routing platforms and technologies.
• Experience designing WAN and enterprise network solutions, including edge, firewall, Wi‑Fi and data centre environments. Working with customers to understand requirements.
• Experience creating technical documentation, including low-level designs, design standards, templates and statements of work.
• CCNP or JNCIP level qualification, or equivalent practical experience.
• Experience with MPLS, fibre optic transmission, DWDM and structured hardware or software testing in a lab environment.
• Excellent knowledge of IP network technologies, including practical experience with BGP and OSPF.
• Strong Stakeholder Management

Responsibilities

• Take responsibility for design activities across the core network upgrades and complex customer WAN solutions.
• Become a subject matter expert on the core network design and operation.
• Create clear, supportable network designs and documentation for customer edge, core and service-provider network solutions.
• Support standardization, simplification and automation in network design and deployment.
• Analyze emerging technology trends and work with vendors to understand new hardware and software capabilities.
• Provide technical direction and guidance to engineering and support teams.
• Provide fourth-line support for complex operational issues, using evidence and facts to resolve problems from the bottom up.

Skills

Cisco/Juniper routing

WAN design

Technical documentation

CCNP/JNCIP qualification

MPLS/DWDM

BGP/OSPF

Stakeholder management

Education

CCNP or JNCIP or equivalent

Job description

BT Group is seeking an experienced Network Architect to design WAN and core network solutions across a large shared infrastructure. You will become the SME for core network design and operate across edge, firewall, Wi-Fi and data centre environments, guiding engineering and support teams.

You will also contribute to standardization, automation, and evaluating new technologies, ensuring secure, resilient connectivity for customers and national infrastructure partners.