Network Security Architect - Technical Design Lead (Remote)

Syntax Consultancy Ltd; City Of London; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading IT consultancy in the United Kingdom is seeking a Technical Solution Architect for a 5-month contract, with a hybrid work model. The role requires experience in network security architecture and strong hands-on design expertise. You will be responsible for end-to-end technical design for complex deployments, focus on documentation, and ensure high-level integrity. A competitive daily rate of £330-£400 is offered, outside IR35, suitable candidates will have relevant certifications including CCNP or equivalent.

Qualifications

• Proven experience as a Technical Solution Design Lead for complex projects.
• Hands-on experience with firewall and network migration at scale.
• Strong documentation skills for maintaining architecture and low-level designs.

Responsibilities

• Own end-to-end technical design for network security architecture deployments.
• Validate and integrate designs for LAN, WAN, firewall, and security controls.
• Provide 24/7 escalation support for migration deadlines.

Skills

Network Security architecture

Technical Design Lead experience

Routing fundamentals (BGP, OSPF)

Documentation expertise (Visio, PowerPoint)

Ansible / Terraform scripts

Education

CCNP/CCIE Enterprise or Security

JNCIP/JNCIE

F5 CTS

Check Point CCSE

Zscaler ZCCA IA / ZCCA IAE

TOGAF

ITILv4

Tools

Visio

draw.io

ServiceNow

Remedy

SharePoint

Job description

A leading IT consultancy in the United Kingdom is seeking a Technical Solution Architect for a 5-month contract, with a hybrid work model. The role requires experience in network security architecture and strong hands-on design expertise. You will be responsible for end-to-end technical design for complex deployments, focus on documentation, and ensure high-level integrity. A competitive daily rate of £330-£400 is offered, outside IR35, suitable candidates will have relevant certifications including CCNP or equivalent.