Deepkumar

Cyber Security Engineer/ Cyber Security Analyst/Cyber Security Consultant

Self Employed • Autônomo

Jan 2020 - Present • 6 yrs 6 mos

Delivered end-to-end Security Operations Center (SOC) services, including L1, L2, L3 monitoring, incident triage, investigation, and response. Administered, deployed, configured, and optimized SIEM platforms, including IBM QRadar, Wazuh, and Splunk. Developed and fine-tuned SIEM correlation rules, use cases, dashboards, reports, and alerts to improve threat detection. Integrated servers, endpoints, firewalls, network devices, cloud platforms, and applications with SIEM solutions. Performed vulnerability assessments, security risk assessments, and remediation validation. Conducted proactive threat hunting and security event analysis using threat intelligence and Indicators of Compromise (IOCs). Investigated security incidents, analyzed logs, identified root causes, and recommended corrective actions. Designed and implemented security controls for network, endpoint, web, email, and cloud environments. Performed system hardening and security configuration reviews based on industry best practices. Developed Information Security policies, standards, procedures, SOPs, and governance documentation. Assisted with Governance, Risk & Compliance (GRC) activities and security control implementation. Conducted security awareness training and prepared technical documentation, user guides, and training materials. Supported deployment, configuration, troubleshooting, and maintenance of cybersecurity solutions. Managed log collection, normalization, parsing, and monitoring across heterogeneous environments. Configured and supported security technologies such as EDR/XDR, Web Proxy, WAF, IDS/IPS, DLP, and PAM solutions. Performed website security reviews, vulnerability remediation, bug fixing, and security hardening. Provided cybersecurity consulting, technical support, and best-practice recommendations to improve organizational security posture. Delivered high-quality solutions with a focus on reliability, confidentiality, integrity, and customer satisfaction.