VISHU DEV SINGH
Core Skills
Tools
Microsoft Defender, Sophos Endpoint, Nmap, PowerShell, Remote Desktop (RDP), AnyDesk
Certifications
- Google Cybersecurity Professional Certificate
- IBM Cybersecurity Analyst
- Google IT Support
- Linux Foundation Certification
- Ethical Hacking Essentials (EC-Council)
Education
Integrated MCA (Cybersecurity & Networking)
Parul University
Professional Summary
System Administrator with hands-on experience managing IT infrastructure for 200+ users, including Active Directory, Microsoft 365, networking, and firewall security (Sophos). Proven ability to resolve 20–30+ daily technical issues, maintain 99%+ system uptime, and improve operational efficiency. Skilled in backup management, network troubleshooting, and automation to streamline IT operations.
Professional Experience
- Administered IT infrastructure for 200+ users, ensuring high availability and performance.
- Provisioned and managed Active Directory accounts, access control, and organizational units.
- Resolved 20–30+ daily support tickets related to Microsoft 365, improving user productivity.
- Configured and monitored Sophos Firewall, strengthening network security posture.
- Diagnosed and resolved network issues (DNS, DHCP, VPN, LAN/WAN).
- Executed backup verification and restoration processes, ensuring disaster recovery readiness.
- Maintained NAS systems to ensure consistent data backup and availability.
- Utilized ticketing tools to manage incidents and meet SLA targets.
- Resolved 10–15+ daily hardware and software issues across multiple systems.
- Supported Active Directory user access and troubleshooting.
- Performed network diagnostics and assisted in issue resolution.
Projects
Portfolio Website
github.com/teztarrar/teztarrar.github.ioTech-V License Manager
github.com/teztarrar/tech-v-license-managerDeveloped a license management system using AI to automate tracking, reduce manual effort, and improve operational efficiency.
AutoIPChanger (Rust)
github.com/teztarrar/autoIPChangerBuilt a Rust-based automation tool for Tor installation, proxy configuration, and IP rotation monitoring to enhance anonymity.