Zero-Trust Security Leader — Information Security Lead

Valarian Technologies Limited; Greater London; Hybrid; GBP 120,000 - 190,000; Full time

Benefits offered by this job

Equity

Employer pension contributions

Private health insurance

Hybrid work setup

Company retreats

Job summary

Valarian Technologies Limited is seeking a Head of Information Security (Deputy CISO) to own the internal security posture, risk framework, and product compliance across global operations.

In this hybrid London-based role, you will drive zero-trust strategy, lead enterprise audits, and collaborate with product and engineering to embed secure SDLC practices while engaging with defense customers and senior leadership.

Qualifications

• 6–10 years in cybersecurity leadership roles such as Lead Security Architect or Security Director.
• Hands-on expertise in Zero-Trust, cloud security, container isolation, cryptography, and network security.
• Proven track record in obtaining SOC 2 Type II or ISO 27001 certifications.
• Strong ability to bridge security requirements with business strategy for executives and engineers.
• CISSP, CISM, CCSP or equivalent hands-on security engineering credentials.

Responsibilities

• Drive Security Strategy & Governance: design and execute Zero-Trust roadmap, policies, risk assessments, and executive reporting.
• Lead Compliance & Certifications: own audit readiness for enterprise/defense frameworks (SOC 2 II, ISO 27001, Cyber Essentials Plus, NIST 800-53).
• Partner with Product & Engineering: embed DevSecOps into CI/CD, oversee pentesting, red team, threat modeling.
• Enable Enterprise Sales: act as technical security authority in customer reviews and vendor risk assessments.
• Oversee Security Operations: build incident response, continuous monitoring, vulnerability management, and security awareness.

Skills

Zero-Trust

Cloud security

Container isolation

Cryptography

Network security

Security governance

Job description

Valarian Technologies Limited is seeking a Head of Information Security (Deputy CISO) to own the internal security posture, risk framework, and product compliance across global operations.

In this hybrid London-based role, you will drive zero-trust strategy, lead enterprise audits, and collaborate with product and engineering to embed secure SDLC practices while engaging with defense customers and senior leadership.