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Head of Information Security

Valarian
Location
London
Posted
12 days ago
Department
IT
What they actually want (must-haves)
  • 6–10 years in cybersecurity, ideally within high-security SaaS, cloud infrastructure, or defense tech startups
  • Deep operational knowledge of Zero-Trust architectures, cloud security (AWS/GCP), container isolation, cryptography, and network security
  • Proven experience taking a high-growth technology company through SOC 2 Type II or ISO 27001 certifications from start to finish
  • Exceptional ability to bridge technical security requirements with business strategy for executives, developers, and defense customers
  • CISSP, CISM, CCSP, or equivalent hands-on experience in security engineering
Nice to have
  • Active engagement, talk submissions, or regular attendance at major security conferences and research communities
  • Prior experience navigating government procurement processes or defense-specific security frameworks
  • Familiarity with hardware-level security primitives, confidential computing, isolated enclaves, or secure communication protocols
  • Experience working in venture-backed, hyper-growth scale-ups alongside defense, intelligence, or elite security engineering teams
  • Active UK Security Clearance (SC) or eligibility to undergo clearance checks
What the job really is

The Head of Information Security at Valarian Technologies will lead the company's security strategy, compliance, and operations, ensuring the security posture aligns with enterprise and defense standards. This role involves embedding security practices into engineering processes, managing incident response, and acting as a technical authority during customer evaluations. The position is ideal for someone transitioning into a CISO-level role, with responsibilities spanning governance, compliance, and collaboration with product and engineering teams.

Benefits
  • Equity
  • A competitive salary
  • Employer pension contributions
  • Private health insurance
  • Hybrid work setup
  • Rewarding company retreats and meetups
Things to weigh
  • No specific salary listed
  • Role involves high-stakes customer interactions which may require strong interpersonal skills
  • The position is a step into a CISO-level leadership role, which may involve a steep learning curve
Job score3.4/5
Benefits3/5
Freshness4/5
Career value5/5
Role clarity5/5
Pay transparency0/5

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