At

One eSecurity , we are a market-leading specialist in

Threat Detection

and

Digital Forensics & Incident Response (DFIR) . Our commitment to excellence, innovation, and passion drives everything we do
We’re looking for a top-tier, fully remote cybersecurity professional with 5 + years of experience

in

DFIR . If you have a sharp eye for

advanced threats

and hands-on expertise in

incident response , join us and make an impact

Keys responsibilities:
Lead complex cyber incident investigations across enterprise, cloud, and hybrid environments.
Coordinate and provide technical leadership during high-severity incidents, including ransomware, intrusions, insider threats, and APT activity.
Perform advanced digital forensics, threat hunting, malware triage, and root cause analysis across endpoints, networks, cloud, and identity platforms.
Develop detection strategies and improve detection coverage aligned with adversary TTPs and MITRE ATT&CK.;
Translate threat intelligence into actionable detections, hunting hypotheses, and incident response playbooks.




Mentor analysts and support incident response operations across Tier 1–3 teams.
Lead post-incident reviews and contribute to continuous improvement of IR processes, tooling, and operational standards.
Produce high-quality technical and executive-level reports and recommendations.
Drive automation and operational efficiency through scripting and security engineering improvements.
Requiered experience & qualifications:
7+ years of experience in DFIR, Incident Response, Threat Hunting, SOC, or related cybersecurity functions.
Strong experience leading complex cyber incident investigations in enterprise environments.
Deep understanding of attacker TTPs, intrusion methodologies, and modern threat actor tradecraft.
Hands-on investigation experience across:
Windows, Linux, and macOS
Active Directory / Entra ID
AWS, Azure, or GCP
Microsoft 365 / Google Workspace
Enterprise EDR/XDR platforms
Strong analytical, communication,

📌 DFIR Sr Consultant (Madrid)
🏢 One Esecurity
📍 Madrid