Reshma Lnu
Cyber Security Engineer @Sentar Inc.
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WORK HISTORY
Cyber Security Engineer @Sentar Inc.
Responsible for administrative role and duties of cyber security applications like Tipping point Intrusion Detection and Prevention system. Taking proactive measures in relation to operations, optimization and upgrade activities of PGP solution which is used in multiple 3rd party partner/vendor interactions to facilitate the business. Taking over the documentation and operations related activities of F5, particularly related to its CDN. Assisting in ongoing Zscaler DLP project in coordination with different teams including policies and alerts to streamline the end user experience while protecting data. Supports, Monitors and manages the SIEM environment. Splunk Administration and analytics development on Information Security, Infrastructure and network, data security, Splunk Enterprise Security app, Triage events, Incident Analysis. Provided detection, analysis, research, and data gathering for security events. Provided technical response for Cyber Security Operations Team. Investigated potential security anomaly, leading to ongoing improvement of alerting mechanism with SMTP & SIEM. Automated DLP Incident metrics using Splunk. Developed monthly, weekly metrics and dashboards Using Splunk. Strong experience with enterprise monitoring tools configuration and management (Dynatrace/New Relic). Contributed troubleshooting of Macfee Web gateway to manage outbound traffic to maintain security. Planned and Performed upgrade of Vormetric DSM encryption solution in coordination with Linux, Database and Networking teams. Deployed Test environments of security solutions for proactive testing and impact analysis of upgrades and policy configurations. Developed and submitted detailed reports of security findings, analysis and recommendations related to Tools like Vormetric. Experience analyzing the applicable NIST Special Publications 800-37 Revision 1, 800-53 Revision 3,4 or 5, and 800-53A Rev 1.
EDUCATION
St. Ann's
Bachelor's Degree
Auburn University
Master's degree, Information Technology
ABOUT RESHMA LNU
Cyber Security Engineer with 8+ years of hands-on experience designing, implementing, and operating enterprise security solutions across SOC operations, SIEM engineering, network security, data protection, and vulnerability management. Proven expertise in building and tuning detection capabilities, investigating security incidents, and strengthening security posture in large-scale, regulated environments.Highly experienced with SIEM platforms including Splunk Enterprise / Splunk ES, ArcSight ESM, and IBM QRadar, with deep knowledge of log onboarding, correlation rule development, alert tuning, dashboards, and incident triage. Strong background in network and perimeter security, with hands-on experience configuring and troubleshooting Palo Alto (Panorama, IPS, WildFire), Check Point, Cisco ASA, F5 LTM/AWAF, Imperva, and IDS/IPS solutions.Demonstrated expertise in Data Loss Prevention and encryption technologies, including Zscaler DLP, McAfee DLP, Vormetric DSM, and PGP, ensuring protection of sensitive data and compliance with regulatory requirements. Solid experience in vulnerability management using Nessus and Qualys, performing risk analysis, prioritization, and remediation aligned with CVSS and enterprise risk frameworks.Hands-on exposure to AWS and Azure, supporting hybrid environments, secure connectivity, and cloud security monitoring. Strong incident response practitioner with experience in threat investigation, root cause analysis, and continuous improvement of detection logic to reduce false positives and MTTR.Experienced in security automation and DevSecOps, leveraging PowerShell, REST APIs, Jenkins, Git, and CI/CD pipelines to improve operational efficiency and reporting. Well-versed in NIST 800-37, 800-53, 800-53A, ISO 27001, PCI-DSS, and HIPAA, with a proven track record of supporting audits and compliance i••••••••@gmail.com
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