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CV - Thenan

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Work Experience

2024 - Present

IT Operations Engineer

At AGP Group, I managed complex IT environments to ensure optimal performance and security compliance, implemented automation to boost system efficiency, conducted rigorous security assessments, collaborated closely with cross-functional teams to enhance IT service delivery, and oversaw infrastructure upgrades to maintain seamless operations.

2023 - 2024

Senior System Engineer

At SUTD, I managed and optimized complex IT infrastructures to ensure high availability and security compliance, designed and implemented automation strategies using Azure and AWS to improve operational efficiency, administered Active Directory and Windows Server environments, conducted regular system audits and performance tuning, and collaborated with cross-functional teams to deliver enhanced project outcomes and service quality.

2022 - 2023

Senior Systems Administrator

At SIT, I managed and maintained the IT infrastructure to ensure high availability and performance, administered and optimized servers, implemented Microsoft Intune across 500+ endpoints for streamlined device management, provided efficient technical support to resolve user issues, and led cross-functional teams to successfully deliver projects on time and within budget.

2021 - 2022

Deployment Lead

At iHIS, I led IT deployment projects to ensure timely, efficient implementation of systems and applications, managed the deployment of over 500 devices using Microsoft Intune across multiple platforms, swiftly resolved technical issues to minimize disruptions, provided ongoing technical support and user training to boost adoption, and collaborated with cross-functional teams to align project goals and drive continuous improvement initiatives.

2020 - 2021

Deployment Engineer

At NCS, I managed and maintained IT infrastructure to ensure high system availability and performance, resolved complex hardware, software, and network issues to minimize downtime, implemented security protocols and compliance measures to protect organizational data, led cross-functional teams to deliver IT projects effectively, and provided Level 2/3 support for M365 systems to optimize user experience and functionality.

2018 - 2020

IT Fraud Analyst

At JP Morgan, I designed and implemented fraud prevention strategies to reduce risks and enhance security, developed robust risk assessment frameworks to identify vulnerabilities, analyzed customer data to achieve a 20% reduction in fraud attempts, managed the full M365 suite to ensure high availability and compliance, and executed migrations from on-premises Microsoft environments to cloud solutions to optimize infrastructure efficiency.

2015 - 2018

Senior Technical Support

At Microsoft, I delivered exceptional technical support to customers via phone and email, achieving a 95% satisfaction rate, diagnosed and resolved complex technical issues both remotely and on-site, managed Azure cloud computing challenges to ensure seamless operations, administered Active Directory and Office 365 environments to strengthen security, and contributed to IT infrastructure projects that drove continuous service improvement.

2014 - 2015

Systems Application Engineer

At Siemens, I efficiently troubleshot and resolved network, system, and application issues, developed a comprehensive system for managing application logs and monitoring health, implemented automated performance monitoring for early issue detection, provided post-sales maintenance and support for diverse server and OS environments, executed hardware troubleshooting and replacements, conducted regular security patching, and managed vendor relationships to ensure timely issue resolution.

2012 - 2014

Senior Technical Executive

At Infinite, I prepared and presented financial reports to senior management, provided on-site technical support and resolved escalated issues to ensure high customer satisfaction, led hardware migration and implementation projects to improve system efficiency, executed preventive maintenance and proactive monitoring for operational reliability, managed software installations and updates for policy compliance, and conducted end-user training to enhance effective IT resource use.

2011 - 2012

Technical Associate

At Minacs, I automated software updates to reduce manual effort by 90%, created data processing scripts that accelerated tasks by 90%, monitored server performance for optimal efficiency, installed and configured software and hardware components, implemented security measures and patch management to safeguard systems, and supported reliable IT operations through proactive maintenance.

Education

2008 - 2011

NIIT Bangalore

At NIIT, I completed a Diploma in Java Technology, gaining a solid foundation in programming, database concepts, and software development, which built the technical groundwork for my career in IT infrastructure and systems administration.

Certifications

  • Oracle Database 11g Administrator Certified Associate

  • CompTIA A+ Certification

  • CompTIA Network+ Certification

  • Exam 533: Implementing Microsoft Azure Infrastructure Solutions

  • Exam 534: Architecting Microsoft Azure Solutions

  • MCSA: Cloud Platform - Certified 2016

  • MCSE: Cloud Platform and Infrastructure — Certified 2017

  • Exam 532: Developing Microsoft Azure Solutions

  • Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching) (expired)

  • Cisco Certified Network Associate Security (CCNA Security) (expired)

Skills & Expertise

  • IT infrastructure management (Windows Server, Linux, VMware, NAS, disaster recovery)

  • Active Directory, GPO, DNS, DHCP, ADFS administration

  • Cloud platforms: Microsoft Azure & AWS (deployments, automation, troubleshooting)

  • Automation & scripting: PowerShell, Intune, SCCM

  • Cybersecurity & compliance: security assessments, patching, antivirus (Sophos, Trellix)

  • Database administration: SQL, Oracle 11g

  • M365 & O365 (Exchange, SharePoint, Teams) administration

  • IT service management: ServiceNow, BMC Remedy

  • Vendor & project management, SOP documentation

  • Networking fundamentals (CCNA-level), switches, routers, VPNs

  • Strong customer support & stakeholder collaboration

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