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# Security Engineer

- **Company:** David Kennedy Recruitment
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Software System Penetration Testing, Bash Shell, Code Review, Cyber Security, Python (Programming Language), Anti-Phishing, Software Vulnerability Management, EndPointSecurity, Scripting, Software Security, Generative AI
- **Published:** October 19, 2026
- **Apply:** https://www.buscojobs.com.es/security-engineer-en-madrid-ID-376557411

## About the Role

REQUIREMENTS: 2-3+ years of hands-on security engineering experience, with flexibility for exceptional scale-up experience Strong application security experience, including code reviews and vulnerability remediation Proven experience conducting or coordinating security audits and penetration tests Comfortable coding and working directly with Git/GitHub Practical scripting or automation skills, ideally Python or Bash Previous experience within an AI company or a scale-up with 50+ employees Sound understanding of security governance, risk assessment and prioritisation Ability to independently identify, investigate and resolve security issues, and to take end-to-end ownership in a fast-paced environment Excellent English communication skills Based in Europe, with approximately 80% overlap with CET working hours Comfortable with occasional evening/weekend security monitoring Fully comfortable working with adult/NSFW content as part of daily responsibilities BENEFITS: Fully remote working from

## Description

David Kennedy Recruitment is working with a rapidly growing technology company with over 50 million users worldwide that is seeking to onboard a Security Engineer to join their R&D team.As the company's sole dedicated Security Engineer, the successful candidate will take end-to-end ownership of security operations, covering application security, vulnerability management, governance and risk, and emerging AI security challenges.The company's products include adult/NSFW content, so candidates must be fully comfortable working with this material.Position: Security Engineer (AppSec / GRC / AI Security) Location: Europe/ASIA, Remote Employment type: B2B engagement preferredDUTIES AND RESPONSIBILITIES: Application security: review code, find and fix vulnerabilities, work with developers in Git/GitHub, and coordinate external pen tests and audits.Governance, risk and compliance: build and maintain the security risk register, assess exposure across systems, support audit follow-up, and prioritise fixes by risk and business impact.Monitoring and awareness: watch alerts and threats, run awareness programmes and phishing simulations, and provide occasional evening and weekend cover.IT security and access: handle secure onboarding and offboarding, device security (MDM) and access permissions, and tighten internal controls.AI security: track risks to generative AI platforms (prompt injection, jailbreaks, filter bypasses) and vulnerabilities in third-party AI providers.REQUIREMENTS: 2-3+ years of hands-on security engineering experience, with flexibility for exceptional scale-up experience Strong application security experience, including code reviews and vulnerability remediation Proven experience conducting or coordinating security audits and penetration tests Comfortable coding and working directly with Git/GitHub Practical scripting or automation skills, ideally Python or Bash Previous experience within an AI company or a scale-up with 50+ employees Sound understanding of security governance, risk assessment and prioritisation Ability to independently identify, investigate and resolve security issues, and to take end-to-end ownership in a fast-paced environment Excellent English communication skills Based in Europe, with approximately 80% overlap with CET working hours Comfortable with occasional evening/weekend security monitoring Fully comfortable working with adult/NSFW content as part of daily responsibilities BENEFITS: Fully remote working from Europe Opportunity to own security for a fast-growing AI platform with over 50 million users Direct collaboration with engineering leadership Hands-on, non-advisory role with real responsibility for security outcomes And many more!!!