ARUN RAJ

[email protected] • +91 98454 26372
LinkedIn: https://www.linkedin.com/in/arun‐raj‐88487930/

PROFESSIONAL SUMMARY

Highly accomplished and results-oriented Senior System Administrator with over 15 years of extensive experience in managing complex IT infrastructures for diverse clients, including Managed Service Providers (MSPs) and enterprises. Proven expertise in Windows/Linux/VMware environments, cloud platforms (M365, Azure, AWS), robust backup solutions, and comprehensive infrastructure management. Adept at leading technical teams, optimising system performance, and ensuring high client satisfaction through effective problem-solving and strategic project execution. Seeking to leverage advanced technical proficiency and leadership skills to drive IT excellence in a challenging Senior System Administrator role.

WORK EXPERIENCE

Freelancing ‐ Helpdesk / System Administrator
01/2022 - Present
Upwork (Multiple Clients)
• Led system administration and helpdesk support for over diverse clients and MSPs, resolving 90-95% of complex user and server issues within SLA targets, enhancing operational uptime
• Developed and implemented robust data protection strategies including backup management and disaster recovery plans, reducing potential data loss risks by 40%
• Managed critical migration projects and storage solutions across multiple platforms, ensuring seamless data integrity and business continuity with zero downtime incidents
• Directed help desk operations, optimizing ticket resolution workflows that improved customer satisfaction scores by 20% and increased team efficiency through mentoring and process automation
IT Consultant ‐ Sr. System Administrator
05/2019 - 01/2022
Ahana Systems and Solutions Pvt Ltd, Bangalore (Multiple US Clients) , Bangalore
• Led IT operations and support for multiple US-based clients, resolving over 95% of server and user issues within SLA timelines through efficient use of ManageEngine ServiceDesk ticketing system
• Developed and optimized monitoring frameworks using Site24x7, Zoho Remote Assist, and ManageEngine tools, improving system uptime by 15% and proactively identifying performance bottlenecks
• Administered and maintained heterogeneous environments including Windows, Linux, and VMware infrastructures, managing over 200 servers, workstations, and network devices to ensure 99.9% availability
• Designed and implemented comprehensive backup and disaster recovery strategies using Acronis and Veeam, reducing data recovery time by 40% and securing critical virtual and physical assets
• Managed Microsoft 365 tenant environments, resolving complex software and cloud application issues that enhanced end-user productivity by 20%
• Spearheaded P2V and V2V migrations across Hyper-V, vCenter, and VMware ESXi platforms, successfully migrating over 50 virtual machines with zero downtime
• Troubleshot and resolved advanced issues in Azure and AWS virtual machine instances, improving cloud resource stability and reducing incident resolution time by 30%
• Conducted quarterly strategic IT review meetings with clients, aligning IT initiatives with business goals and driving continuous service improvement
Sr. System Administrator
07/2010 - 04/2019
Ahana Systems and Solutions Pvt Ltd, Bangalore (Client: OnlyLink Business Solutions Inc., USA) , Bangalore
• Served as Tech-Lead for the offsite team, overseeing technical operations and mentoring junior staff.
• Ensured high client satisfaction through effective use of MS-CRM/ConnectWise and regular online client engagements.
• Managed and resolved user requests and server issues efficiently using the ConnectWise ticketing system.
• Configured and administered monitoring tools such as Zenith and AdventNet Application Manager.
• Gained hands-on expertise in Backup Administration using Windows Backup, ShadowProtect, and DATTO with NAS boxes.
• Managed operational tasks and projects related to Exchange Server (2003/2010) and Office 365.
• Administered and maintained Anti-Virus Server solutions, including Vipre, McAfee, AVG, and Webroot.
• Provided remote server administration using technologies like HP-iLO, Dell DRAC, IBM-RSA, and KVM switches.
• Configured and managed Microsoft CRM systems to support business operations.
• Oversaw comprehensive infrastructure management, including physical servers and network devices such as SonicWALL, CyberOn, and Cisco.
• Ensured physical and virtual servers were built and maintained according to organizational standards and baselines (Dell, HP, IBM).
Desktop Engineer (Field Engineer)
10/2009 - 07/2010
HCL Infosystems, Trivandrum, Kerala, IN , Trivandrum, Kerala, IN
• Handled onsite and offsite customer requests, providing technical support for hardware, OS, and network-related issues.
• Managed and resolved user application issues efficiently.
• Deployed and troubleshooted network devices and peripherals (switches, routers, printers) for small businesses and home environments.
• Demonstrated strong hardware and OS troubleshooting skills, with a proactive approach to learning new technologies.

EDUCATION

BCA

SKILLS

Technical Skills: Windows Server, Linux (Ubuntu, CentOS, Red Hat), Active Directory, DNS, DHCP, Exchange Server, Group Policy, Cisco Networking, VMware ESXi, Hyper-V, Azure, AWS, ITIL
Soft Skills: Problem Solving, Client Support, Time Management, Adaptability, Communication
Tools: Veeam, Acronis, NinjaRMM, N-able, ConnectWise Automate, ConnectWise Manage, ManageEngine RMM, SolarWinds RMM, Autotask, Microsoft 365, SolarWinds Backup, Datto
Other: Windows Client (7-11), macOS, ITIL Certification, Backup Solutions, Remote Desktop Services, Print Server, Security Software, StorageCraft, eFolder Backup, Asigra

CERTIFICATIONS

MCSA
MCITP

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