Senior Security Engineer
Application Deadline: 26 June 2026
Department: Tech – Engineering
Employment Type: Full Time
Location: Zinc – London
Compensation: £80,000 – £85,000 / year
Description
We’re hiring a Security Engineer to run our org-wide technical security posture as Zinc scales. We’re an AI-native company. We use Claude, Cursor, Granola, and n8n across the business and we need someone who can build the security frameworks that let us move fast without taking on unacceptable risk.
This is NOT a GRC or compliance role. We have ISO 27001. What we need is someone who builds security controls and capabilities, helping to establish things like our AI tool governance process, and embeds secure-by-design thinking into how we build and operate. If you want to write policies and sit in a compliance function, this isn’t the right fit. If you want to shape how a genuinely AI-native business does security, keep reading.
Key Responsibilities
- Own and continuously improve our org-wide security posture
- Build our AI tool adoption security review and approval process
- Lead secure-by-design engineering practices across Tech, Ops, and Customer teams
- Maintain and develop our cloud security posture (AWS)
- Manage incidents, tooling, integrations, projects, vulnerability & threat hunting
- Conduct third-party tool risk assessments
- Manage the transition from our outgoing contractor CISO
- Influence security culture across the business without direct line authority
Skills, Knowledge and Expertise
Essential:
- Security engineering background – you identify and build controls, not just document them.
- Cloud security experience (AWS)
- Familiarity with security/architecture frameworks
- Secure-by-design engineering principles
- 3+ years in a security engineering role
- Ability to influence without authority and communicate security risk in plain language
Desirable:
- Experience securing AI tools and LLM-based systems
- Vulnerability or Threat Hunting inside SaaS environments
- ISO 27001 working knowledge (we’re already certified)
- SaaS company experience
What we offer
Zinc offers a chance to work on a product that brings a fresh perspective on data ownership in hiring
- 24 days holiday + Bank Holidays + your birthday off
- £1200 annual benefits allowance (ThanksBen, from month 2)
- Early finish Fridays (16:00)
- Yearly company retreat abroad (This year it’s Turin)
- 30 days to Work from anywhere
- Enhanced Maternity, Paternity, and Adoption Leave (2 months full pay, then statutory)
- Statutory pension with NEST (3% employer, 5% employee)
- Zinc shares, issued through the EMI Scheme
- Unlimited access to MoreHappi coaching
- Company socials, quarterly team socials Free Monday lunches
- Nursery workplace benefit scheme (Yellownest)
- Option to lease an electric car through Electric Car Scheme
- Celebrated Zinc anniversaries
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