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LT Harper - Cyber Security Recruitment

Security Architect - SC Clearance

Hybrid

London, United kingdom

£ 85,000 /year

Full Time

16-03-2026

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Skills

Python C# SQL Incident Response Networking Architecture Network Architecture Security Architecture power bi Azure C++ Power Automate

Job Specifications

Technical Cyber Architect

UK | Hybrid | Security Clearance Required

A large UK organisation operating within the communications and digital infrastructure sector is looking to hire a Technical Cyber Security Architect to join their Cyber & Infrastructure team.

This is a key role focused on strengthening enterprise cyber security architecture, helping to protect complex technology environments from evolving cyber threats. You’ll work closely with the Security Operations Centre and wider architecture teams to design secure cloud and network solutions, identify vulnerabilities, and improve automation across security processes.

Key Responsibilities

Design secure enterprise cloud, network, and end-user environments
Configure and manage Microsoft Sentinel, Defender for Cloud, and Conditional Access (Entra ID)
Support WAN/LAN/Wi-Fi network architecture and security
Conduct threat hunting, vulnerability assessments, and incident response
Analyse logs using Kusto Query Language
Automate security tasks and workflows
Collaborate with SOC and technology teams to identify and remediate cyber risks
Support PCI-DSS compliance and security best practices across the organisation

Tech Environment

Azure | Microsoft Sentinel | Entra ID | Defender for Cloud | Cisco Umbrella | Nessus | KQL | Power Automate | SCCM | Intune | SQL | Power BI | Python / C# / C++

Requirements

Strong Azure and enterprise cyber security architecture experience
Certifications such as CISSP, CEH, or Azure Security (SC-100 / SC-200) desirable
CCNA-level networking knowledge or equivalent
Experience with incident response, threat detection, and vulnerability management
SC Clearance (or eligibility) required

If this is of interest, please apply or share your CV with j.lamport@ltharper.com

About the Company

At LT Harper we specialise in cyber security recruitment. We believe in providing an individualised, transparent service to our customers whether they are looking for a new opportunity or to hire talent. Listening to our customers & building relationships is key to our success. We aim to offer a bespoke service to you by listening to what is important to you and tailoring our services to meet your specific needs. That includes simply providing advice or guidance if you aren't quite ready to take the jump and hire someone or... Know more