Ranjith Kumar
Cyber Security Lead
Madurai
Summary
Accomplished Technical Specialist with a proven track record at HCL Tech, specializing in cybersecurity and technical support. Excelled in leading high-priority projects, demonstrating expertise in EDR & traditional AV's and exceptional problem-solving abilities. Fostered team growth and maintained a 100% SLA compliance rate, showcasing leadership and advanced technical skills.
Overview
14
14
years of professional experience
Work History
Technical Specialist
HCL Tech
08.2021 - Current
- Working as a Technical Specialist - Lead L3 in CSFC (Cybersecurity Fusion Center) domain.
- Managed multiple high-priority projects simultaneously, consistently meeting deadlines while maintaining attention to detail.
- Provided exceptional customer support, resolving complex technical issues with effective communication skills.
- Maintained comprehensive documentation of technical processes, facilitating knowledge sharing among team members.
- Trained junior technicians on industry best practices and company-specific procedures, fostering a culture of continuous learning and professional growth.
- Actively working on servers and workstations version and signature compliance.
- Worked on all security incidents, RITMs, and PTasks and maintained SLAs on a daily basis.
- Handling upgrade activity for AV tools and maintaining N/N-1 versions for both servers and workstations. Representing Daily, Weekly, and MOR's calls with clients and providing SIP whenever needed.
- Handling policy migration activities as part of weekly BAU tasks in Cylance (Agent & Optics).
- Proactive measures and threat hunting were taken to prevent any malicious or ransomware attacks in the environment.
- Actively blocking IOC's on all AV tools and sharing consolidated reports to clients.
- Actively managing multiple teams within CSFC, with no escalations or SLA breaches to date.
- Mentored fellow team members in advanced technical concepts, fostering a collaborative work environment where ideas were freely exchanged.
IT Analyst - Technical Lead
Tata Consultancy Service
10.2014 - 08.2021
- Improved user experience, monitoring feedback, and making necessary adjustments to software applications.
- Provided expert support, troubleshooting complex technical problems for end-users in a timely manner.
- Promoted collaboration among IT team members, facilitating knowledge sharing, and skill development opportunities.
- Handled Daily Team meetings/Daily Leads call/ Ops call/ Weekly calls with Vendors and Stakeholder's to discuss and provide daily/weekly updates.
- Handling SOC incidents and providing resolutions at the earliest.
Configure and administer VirusScan Enterprise security solutions on servers and endpoints. - Configure and manage ePolicy Orchestrator application servers, manage EPO database, and regular updates.
- Coordinate with product vendors on issue resolution.
- Ensuring daily DAT updates.
- Analysis of Threats.
- Creating tagging and sorting criteria’s.
- Building reports and dashboards based on customer requirements.
- Ensure the ITIL framework is followed.
- Creating and managing different enforcement rules in Carbon Black Protection.
- Whitelisting the files and paths on servers and workstations based on the requirement.
- Upgrading and patching activities.
System Administrator
Microland Pvt.Ltd
09.2012 - 10.2014
- Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.
- Monitoring and managing the complete environment for security threats using McAfee (EPO & VSE).
- Maintaining AV compliance on a daily basis and troubleshooting out-of-date servers.
- Handling and troubleshooting incidents on a daily basis.
- Provided support for McAfee products (EPO and VSE). Installation, configuration, and day-to-day management of McAfee.
- Configure and maintain on-demand and real-time anti-malware scan policies.
Exchange Administrator
Wipro Technologies
02.2011 - 08.2012
- Ensured compliance with company policies by managing message tracking logs, journaling rules, eDiscovery searches, and litigation holds as needed.
- Investigated issues and provided technology-based solutions.
- Provided end-user support for email-related issues, ensuring timely resolution and user satisfaction.
- Managing mail flow issues includes mail tracking in ESM and investigation of NDR.
- Troubleshooting issues related to Outlook.
Education
Bachelor of Engineering - Electronics And Communications Engineering
Raja College of Engineering And Technology
Madurai, India 05.2001 -
Skills
Cylance Protect
Microsoft Defender
Crowdstrike Falcon
McAfee (ePO & VSE)
Carbon Black Protection
Symantec
Service Now
Change Management
Timeline
Technical Specialist
HCL Tech
08.2021 - Current
IT Analyst - Technical Lead
Tata Consultancy Service
10.2014 - 08.2021
System Administrator
Microland Pvt.Ltd
09.2012 - 10.2014
Exchange Administrator
Wipro Technologies
02.2011 - 08.2012
Bachelor of Engineering - Electronics And Communications Engineering
Raja College of Engineering And Technology
05.2001 -