Summary
Overview
Work History
Education
Skills
Websites
Certification
Accomplishments
Interests
Timeline
Generic
Dinesh Kumar Rajendran

Dinesh Kumar Rajendran

IT-Operations Manager/ Project Lead Technical support
Chennai

Summary

IT Service Desk | End-User Computing (EUC) | Network & Telecom Operations | IT Infrastructure Management Results-driven IT Operations Manager with 14+ years of experience in IT Service Desk, End-User Computing (EUC), Network Operations (L1 & L1+), and Telecom Support (L2). Proven expertise in IT service management (ITSM), incident resolution, SLA adherence, and IT infrastructure deployment to ensure seamless business continuity and enhanced end-user experience. Key Expertise: # IT Service Desk Management & Remote Desktop Support (Windows, Mac, VDI) # EUC & IT Operations | ITIL-Based Service Management | Asset & Inventory Control # Network Operations (LAN/WAN, VPN, Firewall) | L1 & L1+ Network Support # VoIP & Telecom Operations (L2) | RingCentral Administration | Contact Center Optimization # Incident, Change & Problem Management | SLA & KPI Compliance # Vendor Management | Process Automation | IT Performance Optimization Certified in ITIL Foundation, AWS Certified Solutions Architect - Associate, and Level 3 Storage Administration, I bring a hands-on leadership style, ensuring high operational efficiency, team development, and superior IT service delivery. Passionate about leveraging technology to drive innovation, streamline processes, and enhance overall business performance.

Overview

14
14
years of professional experience
3
3
years of post-secondary education
3
3
Certifications

Work History

Project Lead-Technical Support

Persistent Systems
Chennai
12.2024 - Current

Network & Telecom Operations Leadership:

  • Led network operations, providing L1 & L1+ technical support and incident management to maintain optimal network performance.
  • Delivered end-to-end LAN/WAN, VPN, and firewall support, ensuring seamless and secure network connectivity.
  • Configured, updated, and deployed network hardware and firmware, facilitating efficient infrastructure rollouts.
  • Escalated complex network issues to L2/L3 support teams, collaborating with vendors to expedite resolution.
  • Conducted network performance analysis, identifying and mitigating latency issues through log reviews and bandwidth optimization.

Telecom & VoIP Management:

  • Oversaw daily telecom operations, ensuring uninterrupted communication for end-users and contact centers.
  • Specialized in RingCentral VoIP support, optimizing call routing, SIP trunking, and IVR configurations to enhance efficiency.
  • Streamlined RingCentral provisioning and queue management, improving agent workflows and contact center performance.
  • Investigated and resolved advanced VoIP and telecom issues, escalating as needed to uphold call quality and network reliability.
  • Integrated RingCentral with CRM systems, enhancing enterprise communication capabilities and operational efficiency.
  • Partnered with telecom vendors, ensuring SLA compliance and rapid resolution of service disruptions.

IT Service Desk & Operations Excellence:

  • Led IT Service Desk operations, ensuring swift issue resolution in strict adherence to SLAs.
  • Managed Tier 3 support for Remote Desktop, Network, and Telecom services, driving excellence in service delivery.
  • Implemented process automation and best practices, reducing downtime by 15% and enhancing operational efficiency.
  • Optimized IT inventory management and procurement, achieving significant cost savings.
  • Maintained the integrity of global IT infrastructure, ensuring consistent service reliability and business continuity.
  • Spearheaded ITSM projects, significantly improving incident resolution rates and elevating service quality.
  • Fostered cross-functional collaboration, aligning IT strategies with overarching business objectives.
  • Partnered with project team members to identify and quickly address problems.
  • Mentored junior team members, fostering professional growth and increasing overall team efficiency.

Senior Technician Support Lead

Persistent Systems
Chennai
10.2018 - 12.2024

Experienced Senior Technical Support Lead | Network & IT Operations | VoIP & Telecom Solutions

Results-driven Senior Technical Support Lead with a strong background in network operations, IT service management, and VoIP/telecom solutions. Adept at managing L1 & L1+ network support, incident resolution, and IT service desk operations, ensuring seamless business continuity and peak performance.

Core Expertise & Value Proposition:

  • Network & Infrastructure Management: Skilled in LAN/WAN, VPN, firewall administration, and network troubleshooting, driving operational stability and security.
  • VoIP & Telecom Optimization: Specialized in RingCentral VoIP solutions, enhancing call routing, SIP trunking, and IVR configurations to streamline communication workflows.
  • ITSM & Service Excellence: Led cross-functional teams to optimize IT service desk operations, reducing downtime by 15% through strategic automation and best practices.
  • Vendor & SLA Management: Strong track record in vendor coordination, ensuring SLA compliance, prompt issue resolution, and cost-effective IT infrastructure improvements.
  • Process Improvement & Innovation: Spearheaded ITSM enhancements, integrating RingCentral with enterprise systems, boosting communication efficiency and service delivery.

Proven ability to drive operational efficiency, optimize IT infrastructure, and align technology strategies with business goals. A results-oriented leader committed to delivering scalable, high-performance IT solutions in dynamic enterprise environments.

  • Completed preventive maintenance on set schedules.
  • Reduced downtime for critical systems through effective troubleshooting and root-cause analysis.

Information Technology Services Specialist

HCL Technologies
Chennai
03.2014 - 01.2018

Company Overview: Information Technology Services

  • Led critical service recovery efforts during high-priority incidents, achieving a 95% success rate in restoring normal operations within SLA parameters.
  • Implemented and enforced ITIL-aligned processes, optimizing incident management efficiency and significantly reducing business disruptions.
  • Championed operational excellence by streamlining IT service workflows, enhancing response times, and driving continuous improvement in service delivery.
  • Ensured business continuity and resilience, proactively mitigating risks and fortifying IT infrastructure against potential disruptions.
  • Established solid partnerships with key stakeholders throughout the organization to ensure seamless service delivery and alignment with company objectives.
  • Developed strong relationships with clients, fostering trust and loyalty through exceptional service delivery.

Senior Technical Support Executive

Sutherland Global Services Ltd
Chennai
10.2012 - 03.2014

Client: Dell Asia-Pacific Support

  • Delivered comprehensive phone, email, and chat support to business users, ensuring exceptional customer experience and technical resolution.
  • Provided end-to-end hardware and software support for Dell laptops, desktops, printers, and other business-critical devices.
  • Diagnosed and resolved complex technical issues, optimizing system performance and minimizing downtime for enterprise users.
  • Ensured adherence to SLA commitments, maintaining high first-call resolution rates and customer satisfaction.
  • Collaborated with cross-functional teams to enhance support processes, knowledge base documentation, and service efficiency.
  • Demonstrated expertise in troubleshooting, system configurations, and proactive issue resolution, reinforcing Dell's reputation for quality support.

This version highlights your technical expertise, problem-solving skills, and commitment to service excellence.

  • Improved customer satisfaction by resolving complex technical issues in a timely manner.
  • Delivered excellent customer service by communicating effectively with non-technical clients, simplifying complex concepts for easy understanding.
  • Worked closely with account management teams to identify upsell opportunities and provide ongoing technical support for key clients.
  • Served as an escalation point for complex technical issues, providing expert guidance and recommendations for resolution.

Technical Support Officer

HCL BSERVE
Chennai
06.2011 - 07.2012

Client: British Telecom (BT) – Chennai
Role: Technical Support Specialist

  • Provided technical assistance to BT UK customers, ensuring seamless connectivity for fiber optic internet services.
  • Specialized in modem and router troubleshooting, optimizing WiFi performance, and resolving issues related to personal computers, signal boosters, and wireless printers.
  • Delivered customer-centric solutions, enhancing service efficiency and user experience through effective remote support.
  • Developed expertise in BT service sales, successfully promoting anti-virus products, premium technical assistance, and value-added IT security solutions.
  • Strengthened problem-solving and communication skills, fostering positive customer interactions and reinforcing brand loyalty.
  • Improved customer satisfaction by resolving technical issues in a timely manner.
  • Managed high call volume during peak hours, maintaining exceptional service standards under pressure.

Education

Bachelor of Business Administration - BBA - Business, Management, Marketing, and Related Support Services

SRM University
Chennai
03.2022 - 03.2025

Skills

Service Delivery & SLA Management

Manage Network Team & Performance Monitoring

Project management

Resource allocation

Client communications

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Certification

ITIL Foundation

Accomplishments

  • Led network operations and IT service management, improving incident resolution rates and reducing downtime by 15% through process automation.
  • Optimized RingCentral VoIP systems, enhancing call routing, SIP trunking, and IVR configurations, leading to improved contact center efficiency.
  • Strengthened network performance by implementing proactive LAN/WAN, VPN, and firewall optimizations, ensuring seamless connectivity.
  • Successfully integrated RingCentral with CRM systems, streamlining enterprise communication and boosting operational productivity.
  • Delivered technical support for BT UK customers, enhancing customer satisfaction through effective troubleshooting and value-added service sales.
  • Managed Tier 3 support for Remote Desktop, Network, and Telecom services, driving service excellence and SLA adherence.
  • Spearheaded cost-saving IT procurement strategies, optimizing inventory management and reducing operational expenses.
  • Fostered cross-functional collaboration, ensuring IT strategies aligned with business goals for maximum efficiency and impact.

Interests

Photography(Professional,Portrait, wildlife landscape)

Event management end to end

Timeline

Project Lead-Technical Support

Persistent Systems
12.2024 - Current

Bachelor of Business Administration - BBA - Business, Management, Marketing, and Related Support Services

SRM University
03.2022 - 03.2025

Senior Technician Support Lead

Persistent Systems
10.2018 - 12.2024

Information Technology Services Specialist

HCL Technologies
03.2014 - 01.2018

Senior Technical Support Executive

Sutherland Global Services Ltd
10.2012 - 03.2014

Technical Support Officer

HCL BSERVE
06.2011 - 07.2012
ITIL Foundation
AWS Certified Solutions Architect - Associate
Storage Administration competency L3 certification
Dinesh Kumar RajendranIT-Operations Manager/ Project Lead Technical support