Work Preference
Summary
Overview
Work History
Education
Skills
Certification
Interests
Awards
Responsibilities
IT Infrastructure implementation
ISO Certification
Introducing IT Ticketing system
Cost Optimization
Work Availability
Languages
Timeline
CustomerServiceRepresentative
D N Sanjeev

D N Sanjeev

Manager IT Infrastructure and Networking
Hyderabad

Work Preference

Work Type

Full Time

Location Preference

Hybrid

Important To Me

Work-life balanceCareer advancementCompany CultureFlexible work hoursPersonal development programs

Summary

Experienced IT Infrastructure Manager with 18+ years in network engineering, system administration, and IT operations. Proven ability to optimize costs, resolve complex issues, and enhance service delivery. Adept at leveraging technology to drive efficiency, security, and innovation aligned with business goals.

Overview

20
20
years of professional experience
3
3
Certifications
3
3
Languages

Work History

Manager IT Infrastructure & Networking

Viveja IT Services Private Limited
Hyderabad, Telangana
11.2025 - Current

Oversaw IT infrastructure and network operations at Viveja IT Services, ensuring optimal performance and connectivity.
• Effectively troubleshot hardware and network issues, managing the asset life cycle for all IT-related assets.
• Collaborated with vendors for cost-efficient material procurement and strategic technology upgrades.
• Worked with cross-functional teams to maintain smooth operations without interruptions or delays.

Manager - IT Infrastructure and Networking

TMI Group
04.2023 - 10.2025
  • 040-6676 5000

Led IT support, troubleshooting, and escalations, ensuring minimal downtime and optimal operational efficiency.

Configured, maintained, and monitored firewalls, security solutions, and compliance policies to strengthen IT security.

Managed server migrations, VMware virtualization, and cloud infrastructure, optimizing performance and cost efficiency.

Administered Microsoft Entra (Azure AD), Office 365, and user access controls, ensuring secure authentication and access management.

Maintained IT asset tracking and lifecycle management, ensuring all resources are updated and utilized effectively.

Implemented and maintained an IT ticketing system to streamline issue tracking, improve SLA adherence, and enhance user experience.

Oversaw enterprise applications, operating systems, software licensing, and subscriptions to ensure compliance and efficiency.

Managed backup strategies and disaster recovery planning for critical servers and systems to ensure business continuity.

Handled domain registrations, SSL renewals, and DNS updates, maintaining secure and stable IT operations.

Network Admin

M/S Vishwa Samudra Engineering Pvt. Ltd
11.2018 - 04.2023
  • 040-67996799
  • Self-motivated, with a strong sense of personal responsibility.
  • Excellent communication skills, both verbal and written.
  • Proven ability to learn quickly and adapt to new situations.
  • Skilled at working independently and collaboratively in a team environment.

Senior Service Engineer and Proprietor

S.S. SOLUTIONS
05.2010 - 10.2018
  • Achieved customer satisfaction with timely resolution of technical issues and clear communication.
  • Established strong relationships with clients by providing exceptional service, leading to repeat business and referrals.
  • Visited customer locations to assess equipment functioning and develop repair plans.
  • Collaborated closely with manufacturers on hardware specifications modifications that would improve overall system performance.
  • Managed multiple projects concurrently while adhering to strict deadlines, ensuring timely completion without sacrificing quality or client satisfaction.

System Administrator

United systems & Networks
10.2006 - 04.2010
  • 040 23814178, 65575940
  • Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.

Trainee Hardware & Networking

Bharath Technologies
04.2006 - 09.2006
  • Interacted with customers under supervision to support operational objectives.
  • Attended training courses to build understanding of processes, techniques, and industry.

Education

B.A. - Mathematics

Dr. B.R. Ambedkar Open University
Pulivendula
04-2008

Intermediate - Mathematical Sciences

Board of Intermediate Education
Pulivendula
03-1999

S.S.C - 10th Class

Sri Saraswathi Vidya Mandir
Pulivendula
03-1997

Skills

Ability to Multitask - Experienced

Fast Learner - Expert

Time Management - Expert

Adaptability - Expert

Networking Skills - Experienced

Access Controls - Experienced

Infrastructure Management - Expert

Microsoft Exchange Server - Expert

Disaster Recovery Plan - Experienced

Service Management - Experienced

Software Licensing - Experienced

Video Conferencing Systems - Expert

Certification

ITIL v4 Foundation Certificate in IT Service Management - Axelos - July 2023 — July 2026

Interests

Playing Shuttle & Cricket

Awards

Awarded as Prime Ambassador - TMI Group - July 2024

Responsibilities

  • Led IT support, troubleshooting, and escalations, ensuring minimal downtime and optimal operational efficiency
  • Managed server migrations, VMware virtualization, and cloud infrastructure, optimizing performance and cost efficiency.
  • Maintained IT asset tracking and lifecycle management, ensuring all resources are updated and utilized effectively.
  • Oversaw enterprise applications, operating systems, software licensing, and subscriptions to ensure compliance and efficiency.
  • Handled domain registrations, SSL renewals, and DNS updates, maintaining secure and stable IT operations.
  • Configured, maintained, and monitored firewalls, security solutions, and compliance policies to strengthen IT security.
  • Administered Microsoft Entra (Azure AD), Office 365, and user access controls, ensuring secure authentication and access management.
  • Implemented and maintained an IT ticketing system to streamline issue tracking, improve SLA adherence, and enhance user experience.
  • Managed backup strategies and disaster recovery planning for critical servers and systems to ensure business continuity.
  • Supervised website migrations and hosting management, ensuring security and optimal performance.

IT Infrastructure implementation

Led end-to-end IT infrastructure setup for new premises, including network cabling, server deployment, firewall, Wi-Fi, CCTV, biometric access, and video conferencing, ensuring seamless system integration.

ISO Certification

Successfully implemented ISO 27001 & ISO 27701 processes and policies, leading to the organization’s certification.

Introducing IT Ticketing system

Implemented an IT ticketing system to streamline issue tracking, enabling faster resolution, automated workflows, and centralized support records for improved service management.

Cost Optimization

Conducted a comprehensive audit and successfully optimized costs in IT infrastructure and operations.

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Languages

English
Upper intermediate (B2)
Hindi
Upper intermediate (B2)
Telugu
Advanced (C1)

Timeline

Manager IT Infrastructure & Networking

Viveja IT Services Private Limited
11.2025 - Current

Manager - IT Infrastructure and Networking

TMI Group
04.2023 - 10.2025

Network Admin

M/S Vishwa Samudra Engineering Pvt. Ltd
11.2018 - 04.2023

Senior Service Engineer and Proprietor

S.S. SOLUTIONS
05.2010 - 10.2018

System Administrator

United systems & Networks
10.2006 - 04.2010

Trainee Hardware & Networking

Bharath Technologies
04.2006 - 09.2006

B.A. - Mathematics

Dr. B.R. Ambedkar Open University

Intermediate - Mathematical Sciences

Board of Intermediate Education

S.S.C - 10th Class

Sri Saraswathi Vidya Mandir
D N SanjeevManager IT Infrastructure and Networking