VIMAL RAJ
Sr. System Administrator
Chengalpattu
Summary
Experienced IT Team Lead with over 14+ years of expertise in managing and securing enterprise IT infrastructure across diverse industries including healthcare, automobile, and engineering. Proficient in Network Firewall Security, Malware Protection, Internal & External Audit Compliance, Security Compliance & Risk Assessment, Windows/Linux System Administration, and Datacentres Operations. Hands-on experience with Sophos, SonicWall, Juniper SSG, and Cisco ASA firewalls. Looking for a challenging role in a growing company to improve IT systems and security.
Overview
11
11
years of professional experience
4
4
Certifications
2
2
Languages
Work History
Sr. System Administration
Elico Healthcare Services Pvt. Ltd
04.2022 - Current
- Provided first-, second- and third-tier technical support to internal and external users for software application utilization, software configuration and resolution of hardware, software and network resource conflicts
- Responsible for the infrastructure, applications, and operations of servers, network, desktops, Point-Of-Sale computer systems, and numerous IT services, equipment, and systems
- Administered multiple Windows Server roles and features comprising File, Print, Terminal, and Windows Server Update Services, Web Server (IIS), and Active Directory services including user and group accounts and group policies
- Primary Active Directory administrator for multiple Active Directory-integrated environments; configured, implemented and troubleshot DNS hosting for multiple subordinate and external organizations, creating, updating and maintaining black hole listing and securing domains against malware, phishing, unauthorized relaying and spam sites
- Analyzed and resolved Group Policy conflicts affecting system security and end-user functionality
- Develop and maintain configuration standards and procedures for server system Ensure maximum uptime and availability of core infrastructure
- Train and mentor other IT staff members Write and maintain technical documentation
- Monitor and report server system's overall health and uptime
- Controlled Data Center and IT infrastructure by monitoring and maintaining server systems, network core switches, and routers, firewalls and host client switches on large, multi-building campuses
- Perform periodic performance reporting to support capacity planning
- Maintain and update critical operating systems patches and application upgrades
- Develop backup, recovery and archival procedures Ensure backup and recovery plan is adhered to daily Prepare for, and recover from, hardware and software failures
- Coordinate and communicate with impacted users Apply OS patches and upgrades as need
- Oversaw and administered a variety of IT products and services including VMWare Esx 4.0 servers, VoIP telephones, Symantec Endpoint Server, Office 365 Exchange email administration, McAfee spam filter, corporate and public Wi-Fi network, VPN user accounts, and hardware tokens.
- Ensured compliance with industry regulations by implementing comprehensive IT policies and procedures covering data privacy, security, and access controls.
System Administrator
Karmen International Pvt. Ltd
01.2020 - 03.2022
- Installation and maintenance of all systems within a client's digital environment
- Producing documentation on operational, system and user procedures & guidelines
- Building, configuration and troubleshooting of server and desktop hardware
- Providing advice on selection and purchase of IT equipment
- Maintaining maximum availability of supported services for users
- Designing, implementing and managing Active Directory
- Responsible for disaster recovery, closing security loopholes and access levels
- Ensure adequate antivirus protection & solutions are maintained and updated
- Overseeing and determining timeframes for major IT projects including system updates, upgrades, migrations and outages
- Managing and reporting on allocation of IT budget
- Handling network configuration, Servers, Workstations, Networking equipment, PABX, email accounts, and support for the underlying server/desktop infrastructure
- Install new/rebuild servers like windows Domain controller, DHCP server, WSUS patch server, FTPserver, Antivirus server, Backup server and configure hardware, peripherals, services, settings etc.
IT System Administrator
Alpha Group of Institutions
07.2018 - 12.2019
- Plan and perform appropriate procedures, documentation, inventory assessment, and other procedures related to IT
- Inventory and provide accounting of resources including software, server, workstation and laptop systems
- Prepare and deliver new laptops, PCs, Printers and IT hardware's
- Troubleshooting skills in Active directory and File server related issues on client side
- Performing and coordinating effective installation and performance of advanced operating system hardware and software on laptops, desktops & servers
- Remote desktop support to servers and end users
- (Dame Ware Remote Tool)
- Maintain, monitor, analyze system components and make recommendations regarding computer system security, monitor network, computer and disk utilization
- Conduct software and hardware evaluations, provide technical analysis and implement systems to meet the company's IT goals.
Systems Administrator L2
Randstad Pvt. Ltd.
08.2013 - 06.2018
- Maintaining Microsoft Updates and Security patches through WSUS server for the LAN network
- Service monitoring, application monitoring, OS health check, Application health check, Server usage monitoring, performance trend analysis, user load monitoring
- To evaluate the user requirement for required Hardware / Software
- Purchasing and maintaining assets of all Hardware and software
- Maintaining inventory of all computers, servers and software with OCS Inventory software
- Managing NEC, Coral EPABX through billing software
- Installation and managing attendance machine
- (Tech Support)
- Defining and implementing policies for password restriction, account lockout, password change etc
- Granting / revoking access of users to Servers, Applications, Files and Printers
- License Management: To maintain and keep check on the License on all Microsoft Products and other related software within the organization
- Antivirus Management: Responsible for updating of critical patches and fixes provided by Microsoft and Antivirus companies
- User Helpdesk: Providing second level support to the users for Microsoft products & other user-specific software
- Project Implementation: Execute project within given timelines & maintain quality @ all stages and planning proper delegation of resource for execution of project
- Vendor Management: Monitoring SLA's with vendors and revisiting the same for better uptimes
- Client Management: Understanding and executing client requirement on technical front according to processes & procedures.
Education
Master of Science Information Technology (Msc IT) -
University of Madras
Bachelor of Computer Application (BCA) - undefined
University of Madras
12th - undefined
Little Flower Hr. Sec. School
10 SSLC - undefined
Little Flower Hr. Sec. School
Skills
Server Os: Windows 2008 R2, Windows 2012, 2019
Workstation: Windows 7, 8, 10 & 11, Linux
Application: Office 365, VMWARE Workstation
Security: Windows Firewall, Sophos, SonicWall, Seqrite UTM
Backup& Storage: Windows backup & Symantec backup, URbackup, Synergy backup
Hardware and Networking (Assembling and OS installation etc)
Web Tool: HTML, CSS, VBScript, JavaScript, PHP
RAD Tool: Visual Basic 7, Visual Studio
Data Base: SQL, MySQL
Nagios monitoring software
Helpdesk operations
Incident Management
Certification
PGDCA (Post Graduate Diploma in Computer Applications)
Personal Information
- Father's Name: Mr. Alappan. A
- Gender: Male
- Nationality: Indian
- Marital Status: Married
Birthday
06/13/1990
Disclaimer
I, Vimalraj. A, hereby declare that the information contained herein is true and correct to the best of my knowledge and belief.
Timeline
Sr. System Administration
Elico Healthcare Services Pvt. Ltd
04.2022 - Current
System Administrator
Karmen International Pvt. Ltd
01.2020 - 03.2022
IT System Administrator
Alpha Group of Institutions
07.2018 - 12.2019
Systems Administrator L2
Randstad Pvt. Ltd.
08.2013 - 06.2018
Master of Science Information Technology (Msc IT) -
University of Madras
Bachelor of Computer Application (BCA) - undefined
University of Madras
12th - undefined
Little Flower Hr. Sec. School
10 SSLC - undefined
Little Flower Hr. Sec. School