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Senior Security Engineer
Location
Greece
Posted
137 days ago
Salary
0
Seniority
Senior
Job Description
Senior Security Engineer
KIEFER
• Conduct security assessments and build a prioritized remediation roadmap across infrastructure and services • Harden AWS and Kubernetes environments: IAM, network policies, workload isolation, secrets management • Secure AI-specific attack surfaces: prompt injection defenses, PII handling in LLM pipelines, model interaction data leakage • Embed automated security into CI/CD: dependency scanning, container image scanning, code analysis, secrets detection • Design secure-by-default patterns for service communication, authentication, and data handling • Build incident response capabilities: detection, alerting, response workflows, and post-incident review • Partner with engineering teams to improve security posture without becoming a bottleneck
Job Requirements
- 6-10+ years of professional security engineering experience in production environments
- Deep hands-on expertise in cloud security (AWS strongly preferred) and container/Kubernetes security
- Strong application security skills: securing APIs, microservices, auth flows, and data pipelines
- Experience with automated security tooling in CI/CD (SAST, DAST, dependency scanning, container scanning)
- Offensive security mindset: ability to think like an attacker, identify non-obvious vulnerabilities, and validate defenses
- Track record of building or significantly maturing security programs, not just operating existing ones
- Nice to have AI/LLM security experience (prompt injection, model security, PII in AI pipelines)
- CTF participation, bug bounty track record, or formal red team experience
- Offensive security certifications (OSCP, OSWE, CRTP)
- Incident response and digital forensics
- SOC2/ISO27001 compliance implementation (not just audit management)
Benefits
- Compensation: above typical backend band for Greek/EU market
- Remote: fully remote within EU, or hybrid from Athens
- Ownership: first dedicated security hire, define security standards from day one
- AI-native: real security challenges at the intersection of LLMs, enterprise data, and distributed infrastructure
- Growth: budget for conferences/courses/certifications, path to security lead / head of security
- Culture: engineering-first, low meetings, high autonomy, async-first
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