Sharena Rebecca
Team Lead
Chennai
Summary
Adept at leading and coordinating technical teams at Cognizant, excelling in troubleshooting and enhancing network systems, ensuring operational excellence. Expertise spans from Appian development to advanced networking, highlighted by a proactive approach to crisis management and a commitment to continuous learning and process automation.
Overview
1822
1822
years of professional experience
4
4
years of post-secondary education
Work History
Team Lead
Cognizant
Chennai
04.202 - 12.202
- Led efforts to monitor and troubleshoot store software, ensuring critical issues were addressed swiftly to prevent downtime and operational setbacks.
- Coordinated with internal teams to direct resources to areas requiring immediate attention, enhancing workflow and team productivity.
- Effectively communicated with resources to ensure smooth execution of tasks, while presenting detailed updates and action plans to managers for timely decision-making.
Senior Systems Engineer
Cognizant
Chennai
05.2021 - 04.2023
- Proficient in handling Level 1 network devices (routers, switches, modems) and managing different types of network circuits, including 10MB, 20MB T1, DSL, Multi-link, and 4G networks.
- Installed, configured, and maintained Cisco network devices, coordinating with technicians to ensure proper deployment and network stability.
- Coordinated with major vendors, including AT&T, Granite, and CenturyLink, to resolve network-related issues and ensure seamless service.
- Conducted review meetings with clients, providing clear communication on network performance and issues. Managed internal teams to ensure alignment with client expectations and project timelines.
- Worked on network device upgrades in collaboration with the Network 2 team, and demonstrated a strong ability to handle crisis situations, resolving issues quickly to minimize downtime.
Traniee
Cognizant
Chennai
05.2018 - 05.2020
- Provided Level 1 networking and Windows server support, as well as Level 2 hardware and software support for all electronic devices across retail stores.
- Managed various network circuits, including 10MB, 20MB T1, DSL, Multi-link, and 4G, ensuring connectivity and troubleshooting network-related issues.
- Worked closely with vendors like AT&T, Granite, CenturyLink, CrossCom National, IBM, and Hughes Network to resolve service disruptions and coordinate technical support.
- Supported hardware components such as Cisco routers (4300/4331, 890/892 series), Eaton UPS systems, and broadband modems from Granite. Guided technicians in the installation and configuration of network devices, including Verizon, Comcast, and Time Warner switches, as well as 4G devices from AT&T.
Education
B.E - Electrical, Electronics And Communications Engineering
Panimalar Engineering College
Chennai, India 05.2011 - 04.2015
Skills
Appian Developer Course: Successfully completed an intensive training program in Appian development, equipping myself with the necessary skills in low-code application design and process automation Actively preparing for the Appian Developer Certification to further enhance my technical proficiency
C and C
Networking
Timeline
Senior Systems Engineer
Cognizant
05.2021 - 04.2023
Traniee
Cognizant
05.2018 - 05.2020
B.E - Electrical, Electronics And Communications Engineering
Panimalar Engineering College
05.2011 - 04.2015
Team Lead
Cognizant
04.202 - 12.202
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