Athul Raju
Kildare
Summary
Security Engineer with 10+ years of experience in threat detection, digital forensics, and cloud security. Passionate about applying AI/ML to advance detection engineering, automate investigations, and outpace evolving threats. Currently pursuing an MS in AI, with a focus on log-based threat detection, anomaly modeling, and insider threat research. Proven leader in driving high-impact, cross-functional security initiatives at scale.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Principal Security Engineer
Oracle Cloud Infrastructure
10.2018 - Current
- Serve as a key member of the Oracle Threat Intelligence Center (OTIC), conducting proactive threat hunts to safeguard critical cloud services and infrastructure.
- Design and lead development of ML-based anomaly detection systems for user behavior analytics, reducing false positives and enhancing detection precision.
- Drive data science initiatives by engineering Python-based investigative notebooks and data pipelines, enabling faster and more contextual threat triage for SOC and IR teams.
- Collaborate with Oracle's Machine Learning and Cloud Guard teams to research, validate, and productionize behavioral detection models at scale.
- Build modular Jupyter notebooks for investigative workflows used across SOC, FAA, and IR, incorporating visual analytics, feature engineering, and outlier detection.
- Partner with service teams to identify vulnerabilities and develop detection strategies using both rule-based and AI-enhanced techniques.
- Maintain and evolve the detection hosting platform, integrating data science tooling to support advanced triage and ML model inference.
- Apply supervised, unsupervised, statistical, time series models and enrichment pipelines to support predictive security analysis.
- Lead end-to-end technical projects involving detection engineering, threat hunting, and data-driven incident response, improving security visibility across OCI.
- Utilize a broad stack of tools including Crowd Strike, Splunk, OSquery, XSOAR, ThreatConnect, and eBPF frameworks (Falco, Tracee, Tetragon).
Associate Engineer
Etisalat UAE (Reach Employment Services)
12.2014 - 05.2017
- Led incident response efforts for network-based security events, including DDoS attacks, VPN breaches, and router-level anomalies, ensuring rapid containment and remediation.
- Managed a fleet of ~15,000 routers; configured and secured 250+ routers to align with evolving threat landscapes and compliance requirements.
- Conducted root cause analysis and forensics for security incidents involving customer premises equipment (CPE), leveraging logs, traffic captures, and vulnerability assessments.
- Designed and implemented encrypted VPN solutions (GETVPN, DMVPN, IPSEC, GRE) to maintain secure communication across global networks.
- Supported and maintained CERTES and ARBOR security appliances to ensure robust encryption and real-time DDoS mitigation.
- Performed proactive vulnerability assessments and security hardening of critical network devices.
- Monitored SLAs for customers and vendors, initiating escalations and corrective actions in line with operational and security standards.
- Collaborated with cross-functional teams to drive continuous improvement in network resilience, threat response, and security posture.
Education
Master of Science - Artificial Intelligence
University of Limerick
Limerick09-2026
Master of Science - Digital Investigation And Forensic Computing
University College Dublin
Dublin12-2018
Skills
- Data Science
- Threat Hunting
- Cloud Security
- Detection Engineering
- Leadership
- Forensics and Investigations
Certification
- GCPN
- OSWP
- Certificate of AI
- Deep Learning
- CEH
- ECIH
- CCNP
- MCSE
Timeline
Principal Security Engineer
Oracle Cloud Infrastructure
10.2018 - Current
Associate Engineer
Etisalat UAE (Reach Employment Services)
12.2014 - 05.2017
Master of Science - Artificial Intelligence
University of Limerick
Master of Science - Digital Investigation And Forensic Computing
University College Dublin
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