Ragaharini Jawaharan

Cybersecurity Project Manager | NUS | TotalEnergies

Belgium

About

Cybersecurity Project Manager at Total Energies Asia Pacific Pvt Ltd. Network Engineer at Micron Semiconductors Asia Pvt Ltd. Master of Science from the Department of Electrical Engineering with a keen interest in the current Networking trends. Hands-on experience with OpenFlow and SDN. Working knowledge of Python and Linux. Good communication skills with a verve to be part of a diverse technical team.

Experience

  • TotalEnergies (5 yrs)
    • Industrial Cybersecurity Project Manager
      Sep 2025 - Present · 10 mos

    • Security Project Manager
      Dec 2023 - Sep 2025 · 1 yr 10 mos

      • Responsible for the design of infrastructure security and definition of developments necessary while maintaining the quality of services offered to customers in a context of cost control, performance, and availability. • Development of technical, budgetary, and operational recommendations intended for Business representatives, other IT departments, with a view to implementing solutions that meet business objectives. • Maintenance and monitoring of inventories (offers, maintenance, etc.) as well as invoicing of services provided to business • Management or participation in security plan for projects. • Product Owner for Automation of devices within the Security Infrastructure scope • Technical lead of the principles and technologies such as IPSEC & VPN SSL gateways, Load Balancers, Radius servers, Zscaler solution, Log management, Security rule orchestration for on-premises & Cloud-based solutions

    • Network Project Manager
      Jul 2021 - Nov 2023 · 2 yrs 5 mos

      • Transform the Group's WAN network by planning and implementing SDWAN solution for its worldwide headquarters, datacenters, business units by working with multiple vendors and suppliers. • In charge of the delivery of LAN, WAN and Wireless services for Retail, Oil Rigs, Refineries and GRP affiliates. • Manage infrastructure projects by working with project sponsors and stakeholders to specify scope, design solution, prepare BOMs, evaluate costs, review budget and ensure project is delivered within timeline. • Supervise service improvement proposals related to telecommunications such as software upgrade, hardware upgrade, business expansion and obsolescence management. • Ensure monitoring systems that can measure system performance of all telecommunications systems are in place and operational to assure that agreed service levels can be maintained. • Organize incident and escalation calls to co-ordinate with technical teams, vendors and business counterparts. Provide expert & specialist advice relating to Telecommunications Engineering. • Liaison with an ISP Supplier to manage their contract, work on favorable contract terms and ensure its execution. • Participate in regular Vendor management committees to evaluate performance and ensure their KPIs are met.

  • Information Technology Network Engineer at Micron Technology
    Jan 2019 - Jun 2021 · 2 yrs 6 mos

    • Led efforts to test, formulate and implement WiFi6 (802.11ax) in production environment while ensuring backward compatibility with 802.11ac and 24/7 availability. • Hands-on experience in deploying Spine and Leaf switches. Also designed networks ensuring 3-tier HA model. • Evaluated various monitoring tools and tested Cisco DNAC Center for Assurance. Implemented and created a global framework for the same to integrate it with existing operational dashboards. • Created custom dashboards on Splunk to improve various monitoring and audit parameters for devices in the Network. Designed operational procedures to tackle issues proactively and ensure 24/7 functionality of FAB is not interrupted due to network outages. • Developed and deployed Business Continuity Plan including documentation and executing DR drills. • Research new equipment, analyze, compare, identify the cost of implementing new technology and present IT Roadmap to communicate budget and deployment timeline to the Management. • Plan and execute the timeline for WAN/LAN projects by working with various global teams, vendors, service providers, and business units for integration of services and systems. • Requirement design, planning and implementation of wired and wireless networks for voice, data, and video infrastructure. This was adopted for new sites, existing sites, and expansion projects. • Collaborated with the global IT Security & Infrastructure teams to incorporate global standards and methodologies into local site network builds. • Served as an escalation engineer to troubleshoot and resolve major incidents for all South East Asia’s NOC teams by participating in 24/7 on call rotation.

  • Graduate Student Researcher at National University of Singapore
    Jun 2018 - Dec 2018 · 7 mos

    Setting up a Ruckus Brocade Switch as an OpenFlow router. An industrial version of the OpenDaylight controller (Lumina) is used OpenFlow communication. Programming the control plane of the SDN network to install flows and make hosts in multiple Private VLANs communicate.

  • SAP Consultant at Cognizant
    Sep 2015 - Jun 2017 · 1 yr 10 mos

    Responsible for the collation, analysis, interpretation and presentation of all resource planning data related to a leading semiconductor manufacturing company using the SAP Business Warehousing ERP Tool. Sectors handled included Material Management, General Ledger, Accounting, Taxing, CRM and SRM. Worked closely with the client at their location for a period of one year.