Barathraj Chinnadurai
Raj
BANGALORE
Summary
I have a strong background in IT operations and cybersecurity, with expertise in network security, firewalls, and governance frameworks. Over the years, I’ve managed enterprise IT infrastructure, led security programs aligned with ISO 27001 and GDPR, and implemented secure architectures using Palo Alto firewalls. My experience combines hands-on technical skills with leadership in IT governance, incident response, and cloud administration, ensuring both operational efficiency and strong security posture.
Overview
11
11
years of professional experience
2
2
Certifications
Work History
Senior Network Security Engineer
TSI Technologies
04.2024 - Current
- Led the design and implementation of secure network architectures using Palo Alto firewalls, including policy management, threat prevention, and VPN configurations.
- Developed and enforced network security policies to ensure compliance with ISO 27001 and GDPR.
- Automated IT processes reduce manual workload and improve operational efficiency.
- Managed internal IT infrastructure, ensuring high availability and performance of servers, networks, and endpoints.
- Established and implemented IT governance policies and operational procedures.
- Led IT incident management, minimizing downtime through proactive monitoring and timely resolution.
- Oversaw enterprise tools for endpoint security, backup, and cloud environments, optimizing resource utilization.
- Directed cross-functional teams in infrastructure projects and technology upgrades.
IT and Security Manager
Liminal
11.2022 - 03.2024
- Established and governed IT security policies, aligning with ISO 27001, GDPR, and industry best practices.
- Spearheaded IT automation initiatives, streamlining workflows, and improving operational efficiency.
- Oversaw enterprise tools for endpoint protection, backup, and cloud environments, optimizing resource utilization and cost efficiency.
- Championed employee awareness and training programs, fostering a security-first culture across the organization.
- Partnered with senior leadership to align IT and security strategies with organizational objectives.
Lead IT Operations
Learnship Techologies Pvt Ltd
12.2018 - 11.2022
- Led enterprise-wide adoption and optimization of Microsoft O365 services (Exchange Online, Teams, SharePoint, Intune), improving collaboration and remote workforce efficiency.
- Implemented data loss prevention (DLP), email security, and compliance configurations within O365 to safeguard sensitive information.
- Provided technical leadership for cross-functional teams, mentoring engineers, and ensuring the adoption of modern collaboration and security tools.
- Acted as the escalation point for complex IT and O365 security incidents, driving swift resolution and long-term remediation strategies.
Subject Matter Expert
Net Connect Private
09.2017 - 12.2018
- Administered Microsoft O365 (Exchange Online, Teams, SharePoint, Intune), and managed user provisioning, licensing, and access controls.
- Provided system administration across Windows, Linux, and macOS environments, ensuring stability, security, and performance.
- Delivered technical support and guidance, resolving escalated issues, and optimizing IT service delivery.
Desktop Engineer, L2
Future Focus Infotech Private
09.2015 - 08.2017
L2 Desktop Support Engineer
Care IT Solutions Private
08.2014 - 09.2015
Education
MBA - Operations Management
Great Lakes
Chennai 04.2001 -
B.Tech - Electrical, Electronics And Communications Engineering
Dr.M.G.R. Educational And Research Institute
Chennai 04.2001 -
Diploma - Eletronics And Communication Engineering
Sri Nallalaghu Polytechnic
Chennai 04.2001 -
Skills
IT Operations & Infrastructure Leadership
Certification
ISO 27001:2022 Lead Auditor
Timeline
AZ 500 Azure Security Engineer Associate
11-2024
Senior Network Security Engineer
TSI Technologies
04.2024 - Current
ISO 27001:2022 Lead Auditor
10-2023
IT and Security Manager
Liminal
11.2022 - 03.2024
Lead IT Operations
Learnship Techologies Pvt Ltd
12.2018 - 11.2022
Subject Matter Expert
Net Connect Private
09.2017 - 12.2018
Desktop Engineer, L2
Future Focus Infotech Private
09.2015 - 08.2017
L2 Desktop Support Engineer
Care IT Solutions Private
08.2014 - 09.2015
MBA - Operations Management
Great Lakes
04.2001 -
B.Tech - Electrical, Electronics And Communications Engineering
Dr.M.G.R. Educational And Research Institute
04.2001 -
Diploma - Eletronics And Communication Engineering
Sri Nallalaghu Polytechnic
04.2001 -
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