Principal Cyber Security Architect

X4 Technology; Remote; GBP 125,000 - 150,000; Full time

Job summary

A leading cybersecurity consultancy is seeking a Principal Cyber Security Architect to drive secure technical solutions for high-profile Defence and Government programmes. The role, which can be performed fully remotely, offers the chance to influence security strategy and tackle complex challenges while collaborating with multi-disciplinary teams. Candidates should have over 7 years of experience in client-facing technical security, deep infrastructure knowledge, and a desire to stay at the forefront of cybersecurity developments.

Qualifications

• 7+ years of experience delivering client-facing security solutions, preferably in the public sector.
• Deep experience in infrastructure security solutions, particularly in Windows, Linux, and SQL environments.
• Strong knowledge of security principles for private and public cloud.

Responsibilities

• Lead security architecture and assurance throughout the systems engineering lifecycle.
• Guide clients on security standards including NIST and Secure by Design.
• Build trusted client relationships and ensure technical delivery.

Skills

Client-facing technical security delivery

Infrastructure experience (Windows, Linux, SQL)

Knowledge of private/public cloud security

Experience with JSP440, JSP604/453

Strong understanding of Secure by Design principles

CISSP

Education

Technical degree or equivalent

Job description

Job Title: Principal Cyber Security Architect

Location: Fully Remote (UK wide travel required)

Employment Type: Permanent

Salary: Competitive

Start Date: Immediate

Industry: IT Services & Consulting

One our Cyber & IA consultancies are looking for a hands‑on Principal Cyber Security Architect who will shape and lead secure technical solutions for high‑profile Defence and Government programmes. If you love solving complex security challenges, influencing strategy, and making a genuine impact – you’ll love it here.

This is a remote role with flexibility for travel across the UK, Europe, and occasionally globally required.

Principal Cyber Security Architect – Key Responsibilities

• Lead security architecture and assurance across full systems engineering lifecycle
• Guide clients on standards including NIST, CAF, CE, Secure by Design
• Own technical delivery + build trusted client relationships
• Work across multi‑disciplinary teams to secure innovative systems
• Support pre‑sales, tenders, and technical proposals
• Stay ahead of latest cyber developments through funded training & events

Principal Cyber Security Architect – Key Skills Required

• 7+ years client‑facing technical security delivery (public sector ideal)
• Deep infrastructure experience (Windows, Linux, SQL)
• Knowledge of private / public cloud security
• Experience with JSP440, JSP604 / 453, accreditation & approvals
• Strong understanding of Secure by Design principles
• CISSP strongly desired; technical degree or equivalent

Please apply now if this role is of interest.