Open to opportunities

PRAKASH RETHINASAMY

@prakashrethinasamy

Message

Experienced Windows/Linux System and Network Administrator with 18 years expertise.

India

Message

What I'm looking for

I am looking for a challenging role that fosters innovation and growth.

I am an experienced Windows/Linux System and Network Administrator with over 18 years of expertise in managing IT infrastructure, security, cloud computing, and network operations. My career has been dedicated to driving efficiency and innovation in IT management, and I am passionate about leveraging my technical skills and leadership abilities to contribute to organizational success.

Throughout my career, I have developed a strong proficiency in managing complex IT environments, including extensive hands-on experience with Cisco routers, switches, VoIP, VPNs, and firewalls. I have successfully deployed and managed cloud-based solutions in AWS and Azure, ensuring optimal performance and security. My expertise extends to database administration and automation, utilizing tools such as PowerShell, Bash, and Python to streamline processes and enhance productivity.

I am committed to continuous learning and staying updated with the latest technologies in the industry. My goal is to find a challenging role where I can further apply my skills and contribute to innovative IT solutions that drive business growth.

Experience

Work history, roles, and key accomplishments

Current

IT System Administrator – Remote Support

Current

Computer Genie LLC

Sep 2021 - Present (3 years 9 months)

Managed and maintained Windows and Linux servers, ensuring 99.9% uptime. Deployed and secured cloud-based solutions in AWS and Azure. Conducted system upgrades, security patches, and vulnerability assessments.

Windows Server Linux AWS Azure PowerShell Firewalls Network Security Disaster Recovery

IT System Support Administrator

Thinkinc

Aug 2015 - Present (9 years 10 months)

Deployed and managed Azure and AWS domain controllers. Provided daily support for servers, desktops, and networks, including preventive maintenance. Implemented and maintained CCTV, DVR systems, and biometric attendance systems.

Azure AWS Active Directory Windows Server Linux Hyper V Nagios

Network Engineer

Life Telecommunications (BSC) Closed

Jul 2013 - Present (11 years 11 months)

Provided daily support for server and network operations. Configured and maintained Cisco routers, switches, and firewalls. Implemented and maintained Oracle 11g R2 with Data Guard, ASM, and RMAN.

Windows Server Linux Cisco Firewalls Zabbix

System Administrator

Daskar Technologies

Apr 2012 - Present (13 years 2 months)

Provided IT infrastructure support for servers, desktops, and network devices. Administered Active Directory, DNS, DHCP, and Group Policies. Implemented security measures including firewall rules and VPN configurations.

Active Directory DNS Group Policies Linux Firewalls VPN PowerShell

System Administrator

Reflexis Systems India Pvt Ltd

Apr 2007 - Present (18 years 2 months)

Administered and maintained servers, desktops, and network infrastructure. Installed and administered Oracle Linux and Sun Solaris OS on enterprise servers. Configured and maintained web servers (Apache), mail servers, Samba file sharing, and essential Linux/Windows services.

Windows Server Linux Oracle Linux Oracle Solaris Oracle SQL Server MySQL

System Administrator

Tulip IT Services Ltd

Jan 2005 - Present (20 years 5 months)

Provided comprehensive support for system and server infrastructure across Southern Railway. Installed, configured, and managed Windows Server, UNIX (Solaris), and Linux. Administered web (Apache), mail, and Samba servers; managed services like NFS, SSH, firewalls, proxies.

Windows Server Unix Linux Apache SAMBA Firewalls Oracle

Desktop and Network Support Engineer

Inspace Technologies Pvt Ltd

Aug 2003 - Present (21 years 10 months)

Installed and administered desktops and servers (Windows 98/XP, NT4/2000). Handled hardware installations and upgrades across PCs and servers. Supported WINS, DHCP, DNS, and provided cross-platform support (Windows, Mac, Linux).

Windows WINS DNS Troubleshooting Diagnostics

Education

Degrees, certifications, and relevant coursework

Manonmaniam Sundaranar University

MBA, IT Systems

Pursued a Master of Business Administration with a specialization in IT Systems. Developed skills in managing IT infrastructure and aligning technology with business objectives.

Jain University

BSc, Computer Science

Completed a Bachelor of Science degree with a focus on Computer Science. Gained foundational knowledge in programming, data structures, and algorithms.