About Me
Get to know my background, experience, and expertise
7+
Years of
Experience
Sr. System & Network Administrator Engineer
Passionate about building robust IT infrastructure and delivering innovative technology solutions
I am a highly skilled Senior Network & IT Administrator with over 7 years of progressive experience in managing enterprise IT infrastructure, Windows/Linux server administration, cloud platforms (AWS), virtualization technologies (VMware/Hyper-V), and network security.
My expertise spans across infrastructure design, automation, and delivering comprehensive technical solutions across multi-site deployments. I have demonstrated ability to optimize system performance, reduce downtime, implement cybersecurity policies, and lead L3-level troubleshooting in fast-paced corporate environments.
Currently pursuing PG Cloud Computing certification from IIT Roorkee to strengthen my cloud architecture skills and stay updated with emerging technologies in the IT industry. I believe in continuous learning and adapting to new technologies to provide cutting-edge solutions.
- Name: Rajesh Sharma
- Phone: +91 9794544664
- Email: rajesh.vihangam@gmail.com
- Location: Pune, Maharashtra
- DOB: February 07, 1995
- Languages: English, Hindi
Work Experience
My Professional Journey
Sr. Network & Systems Administrator
Chetas Control Systems Pvt. Ltd. | Pune
Office & Remote
- Managing Windows Server (2016/2019/2022) and Linux (Ubuntu/CentOS) environments with Active Directory, DNS, DHCP, and Group Policy management
- Administering VMware vSphere and Hyper-V virtualization clusters including VM provisioning, resource optimization, patching, and P2V migrations
- Configuring and maintaining enterprise networking: VLANs, VPNs (site-to-site & remote access), routing, switching, and network monitoring
- Managing Sophos XG Firewall: NAT rules, IPS/IDS configuration, SSL/IPSec VPN tunnels, web filtering, and security policy enforcement
- Implementing and managing Synology NAS storage solutions with RAID 1/5/6 configurations, iSCSI storage, automated backups, and data redundancy
- Deploying ERPNext business management system using Docker containers with Nginx reverse proxy, Redis caching, and Supervisor process management
- Managing AWS cloud infrastructure: EC2 instances, S3 storage, IAM policies, VPC networking, Route 53 DNS, and CloudWatch monitoring
- Leading L3 technical escalations, creating comprehensive documentation, implementing IT best practices, and mentoring junior team members
Sr. IT Support Engineer
Affordable Robotic Automation Pvt. Ltd. | Pune
Office & Remote
- Provided comprehensive L1-L3 IT support for 200+ end-users across desktops, servers, and network infrastructure
- Troubleshot and resolved Windows Server issues, Exchange/Outlook email problems, antivirus management, and system patching
- Managed NAS storage systems, backup solutions, network devices, WiFi infrastructure, and performed hardware repairs and upgrades
- Implemented robust backup and disaster recovery strategies achieving zero data loss and 99.9% system uptime
- Maintained ticketing system (ServiceNow), ensured SLA compliance, created knowledge base articles, and provided user training
- Achieved and maintained 95%+ client satisfaction rating through proactive support and rapid issue resolution
Desktop & Network Administrator
ICOM Industries LLP | Pune
Office & Remote
- Configured and maintained LAN/WAN infrastructure supporting 150+ users with switches, routers, and network cabling
- Installed and configured Windows (7/10) and Linux operating systems with security hardening and compliance measures
- Managed Active Directory user accounts, permissions, security groups, and implemented group policies
- Performed router and switch configuration, network troubleshooting, VLAN setup, and network performance optimization
- Deployed antivirus solutions, managed software licensing, performed hardware maintenance, and provided end-user training
Desktop & Network Support Technician
Vihangam Yoga | India
On-Campus
- Provided comprehensive technical support across campus environment for faculty, staff, and students
- Maintained and troubleshot campus LAN, WiFi connectivity, network devices, and internet connectivity
- Managed CCTV surveillance systems, DVR/NVR configurations, and camera installations
- Set up and maintained application servers, performed system backups, and delivered general IT operations support
Education & Certifications
Academic Background & Professional Development
PG Cloud Computing (AWS)
Indian Institute of Technology (IIT) Roorkee
Advanced certification program focusing on AWS cloud architecture, cloud services deployment, infrastructure automation, and cloud security best practices.
In ProgressBachelor of Computer Applications (BCA)
Swami Vivekanand Subharti University
Comprehensive computer science education covering programming languages, database management, networking fundamentals, system administration, and software engineering principles.
CompletedRecommended Certifications
Professional References
What Colleagues & Supervisors Say
"Rajesh has been an outstanding member of our IT team at Chetas Control Systems. His expertise in managing our enterprise infrastructure, implementing robust security measures, and troubleshooting complex technical issues has been invaluable. He consistently demonstrates strong technical skills, excellent communication, and a commitment to delivering quality solutions. His work on our HPE server deployment and SCADA implementation projects was exemplary. I highly recommend Rajesh for any senior-level IT infrastructure role."
Key Competencies
Areas of Expertise
Server Administration
Windows Server, Linux, Active Directory, DNS, DHCP
Network Infrastructure
VLANs, VPN, Routing, Switching, WiFi Management
Cloud Platforms
AWS EC2, S3, VPC, Route 53, Cloud Migration
Security & Compliance
Firewalls, IPS/IDS, VPN, Security Policies
Interested in Working Together?
I'm always open to discussing new opportunities, exciting projects, and potential collaborations.