> Markdown version of [/jobs/ext/4495317-network-infrastructure-security-analyst](https://www.wearedevelopers.com/jobs/ext/4495317-network-infrastructure-security-analyst). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network & Infrastructure Security Analyst - **Company:** Alignerr - **Location:** Spain (Remote available) - **Contract:** Contract - **Skills:** Artificial Intelligence, CompTIA Security+, Cyber Security, Identity and Access Management, Machine Learning, Operational Data Store, Red Team (Cyber Security), Firewalls (Computer Science), Cybercrime, Blue Team (Cyber Security) - **Published:** November 2, 2026 - **Apply:** https://www.jobleads.com/es/job/network-infrastructure-security-analyst--spain--e17bea6563301058ef81f5e96e618f1da ## About the Role * 2+ years of hands-on experience in network, infrastructure, or endpoint security * Familiar with enterprise security tooling - firewalls, EDR platforms, email security gateways, IAM, SIEMs, and beyond * Strong grasp of how organizations actually deploy and operate security controls in production * Able to communicate complex security issues clearly - root cause, impact, and remediation * Self-directed and comfortable working asynchronously on task-based projects Nice to Have * Experience with incident response or threat hunting * Background in red team, blue team, or security operations * Familiarity with AI, machine learning concepts, or data labeling workflows * Certifications such as CISSP, CEH, CompTIA Security+, or similar ## Description Network & Infrastructure Security Analyst (AI Training) We're partnering with the world's leading AI research labs to build smarter, more capable security AI - and we need practitioners who've seen real threats up close. * Organization: Alignerr * Type: Hourly Contract * Location: Remote * Commitment: 10-40 hours/week (flexible) What You'll Do * Analyze network, endpoint, and email security scenarios drawn from real enterprise environments * Review firewall, EDR, and infrastructure security cases to identify what went wrong and why * Classify incidents, misconfigurations, and control failures based on operational data * Create, label, and validate security datasets used to train and evaluate AI systems * Clearly document root causes, attack paths, and business impact in structured formats Who You Are * 2+ years of hands-on experience in network, infrastructure, or endpoint security * Familiar with enterprise security tooling - firewalls, EDR platforms, email security gateways, IAM, SIEMs, and beyond * Strong grasp of how organizations actually deploy and operate security controls in production * Able to communicate complex security issues clearly - root cause, impact, and remediation * Self-directed and comfortable working asynchronously on task-based projects Nice to Have * Experience with incident response or threat hunting * Background in red team, blue team, or security operations * Familiarity with AI, machine learning concepts, or data labeling workflows * Certifications such as CISSP, CEH, CompTIA Security+, or similar Why Join Us * Work on cutting-edge AI projects with top-tier research labs and security teams * Fully remote and flexible - work on your own schedule * Freelance perks: autonomy, variety, and global collaboration * Your expertise shapes AI that helps defenders at scale * Potential for ongoing work and contract extension