Technical Solution Architect

Syntax Consultancy Ltd; London; Hybrid; GBP 200,000 +; Full time

Job summary

A global IT consultancy seeks a Technical Solution Architect for a 3-month contract in London, offering £360/day. The role involves providing end-to-end design for complex network security architecture, requiring expertise in multiple domains including LAN/WAN and firewalls. Applicants must possess relevant qualifications such as CCNP/CCIE and demonstrate strong technical capabilities to lead complex projects and deliver solutions effectively.

Qualifications

• Must have multi-domain expertise including LAN/WAN, firewalls, F5, Zscaler.
• Validating/integrating designs for LAN, firewalls, WAN, VPN.
• Providing end-to-end technical design for complex architecture.

Responsibilities

• Owning overall solution architecture and integrity.
• Producing and maintaining architecture decks, LLDs.
• Providing 24/7 escalation cover.

Skills

Technical design

Network security architecture

LAN/WAN expertise

Firewalls

Routing protocols

Scripting/Automation

Education

CCNP/CCIE

JNCIP/JNCIE

F5 CTS

Check Point CCSE

Zscaler ZCCA IA / ZCCA IAE

TOGAF

ITILv4

Tools

Python

Ansible

Terraform

Visio

ServiceNow

Job description

Technical Solution Architect
3 Month Contract
London (Hybrid)
£360/day (Outside IR35)

Technical Solution Architect needed for a 3 Month Contract in West London (Hybrid). Start ASAP in July/August 2025.

Working with a global IT Consultancy for a Telecoms end client on large-scale projects. Paying £360/day (Outside IR35).

Hybrid working - with 3 days/week working remotely from home (WFH) + 3 days/week working on site in London (Paddington).

Key skills, experience + tasks will include:

• Providing end-to-end technical design for complex network security architecture deployments and migrations.
• Must have multi-domain expertise including: LAN/WAN, firewalls, F5, Zscaler ZPA/ZIA, and routing protocols like BGP/OSPF, route maps + redistribution.
• Hands-on design / migration skills with at least 2 of: Checkpoint R8x firewalls, Cisco, Juniper LAN/WANs, F5 BIG-IP, LTM/GTM/AFM, Zscaler ZIA, ZPA, SD-WAN.
• Validating / integrating component designs for LAN, firewall, F5, WAN, VPN, ZPA/ZIA + security controls.
• Owning overall solution architecture, low-level designs (LLD), solution integrity from high-level architecture through to handover, acting as the single technical point of contact for external customers.
• Producing / maintaining architecture decks, LLDs, change packs (ER/CR forms), rollback procedures, and run books.
• Reviewing implementation artefacts (configs, Ansible/ Terraform scripts, F5 iRules) to ensure alignment to LLD.
• Qualifications: CCNP/CCIE Enterprise or Security, JNCIP/JNCIE, F5 CTS, Check Point CCSE, Zscaler ZCCA IA / ZCCA IAE, TOGAF, ITILv4.
• Providing 24/7 escalation cover to meet migration deadlines when rostered.
• Advantageous: scripting/automation (Python, Ansible, Terraform), Visio, Draw.io, ServiceNow, Remedy, SharePoint governance.