Senior Security Engineer

Zinc

Security Engineer managing security frameworks at AI-native company Zinc. Focus on building security controls and capabilities in a rapidly scaling environment.

Posted 5/21/2026full-timeLondon • 🇬🇧 United KingdomSenior💰 £80,000 - £85,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloud

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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
Experience securing AI tools and LLM-based systems (Desirable)
Vulnerability or Threat Hunting inside SaaS environments (Desirable)
ISO 27001 working knowledge (we're already certified) (Desirable)
SaaS company experience (Desirable)

Benefits

Comp & perks

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 🥳

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

security engineeringcloud securityAWSvulnerability managementthreat huntingrisk assessmentssecure-by-design engineeringsecurity architecture frameworksAI tool securityLLM-based systems

Soft Skills

influence without authoritycommunication of security riskleadershipcollaborationorganizational skills

Certifications

ISO 27001