Technician performing micro-soldering on a laptop motherboard

Astoria · New York City

Cesar Mejia

IT Support Specialist

Desktop Support · Systems Administrator · Owner of Astoria Compu Solutions

20+
Years Repairing
2004
Business Established
1000s
Devices Restored
90-Day
Repair Warranty
NYC
DCA Licensed #2095937

Core Technical Skills

Windows & Desktop Support

  • · Windows 10/11, Server 2019
  • · User support, app installs, drivers
  • · Printers, BitLocker, recovery

Active Directory & Server Admin

  • · AD DS, domain joins, OUs
  • · Group Policy, DNS, DHCP
  • · File shares, permissions, RDP

Deployment & Imaging

  • · MDT, WDS, Sysprep, LiteTouch
  • · Deployment shares, task sequences
  • · Boot images, capture/deploy

Networking

  • · TCP/IP, DNS, DHCP, subnetting
  • · LAN troubleshooting, VPN concepts
  • · Hyper-V virtual switches

Hardware & Repair

  • · Desktop & laptop repair
  • · SSD/HDD, RAM, motherboard
  • · Micro-soldering, logic boards

Tools

  • · PowerShell, Command Prompt
  • · Hyper-V, VirtualBox
  • · Event Viewer, Device Manager

Professional Experience

2004 — Present

Owner / IT Technician

Astoria Compu Solutions, Astoria, NY

  • Operate a computer, phone, and electronics repair business serving residential and small business customers.
  • Diagnose and repair Windows laptops, desktops, iPhones, tablets, gaming consoles, and printers.
  • Troubleshoot Windows boot issues, corrupted OS, drivers, malware, performance, network, and printer problems.
  • Perform advanced hardware repairs: SSD upgrades, RAM, screen and charging port replacement, motherboard and logic board diagnostics, micro-soldering.
  • Manage intake, repair documentation, estimates, parts sourcing, warranty, and customer communication.

2009

IT Intern

Tully Construction, New York, NY

  • Assisted IT staff with desktop support, workstation setup, and basic troubleshooting in a corporate environment.
  • Supported Windows workstations, printers, software installs, and end-user issues.
  • Gained foundational experience in corporate IT operations and customer-focused technical support.

Hands-On Lab Experience

LaGuardia Community College · MAC 254

Advanced Windows & Unix Administration

  • Installed and configured Windows Server 2019 in Hyper-V lab environments with static IP, DNS, and domain membership.
  • Worked with Active Directory Domain Services: domain controllers, child domains, OUs, user and computer accounts.
  • Troubleshot authentication, DNS lookup, SRV records, and domain controller discovery using ipconfig, nslookup, nltest, netsh, and PowerShell.
  • Configured DHCP scopes, default gateways, subnet planning, and virtual network communication.
  • Built Windows deployment workflows with MDT and WDS: boot images, task sequences, Sysprep, LiteTouch, and image capture/deploy.
  • Resolved deployment issues including BitLocker conflicts, missing LiteTouch scripts, task sequence failures, and blue screen errors.
  • Practiced Group Policy: mapped drives, user restrictions, and OU-based policy targeting.

Selected Projects

MDT / WDS Windows Deployment

Built a Windows deployment environment, captured and deployed images, customized task sequences, and resolved Sysprep, BitLocker, LiteTouch, and boot image issues.

Active Directory Domain Lab

Created and managed domain-joined clients, user accounts, OUs, and Group Policy targets while troubleshooting DNS and domain controller discovery problems.

Small Business IT Support

Ongoing support for Windows devices, printers, networking, data transfer, software setup, hardware upgrades, and customer-facing technical documentation.

Education & Strengths

LaGuardia Community College

Long Island City, NY

Network Administration & Security · Advanced Windows and Unix Administration coursework.

  • Windows Server Administration
  • Active Directory
  • Networking Fundamentals
  • Network Security
  • Unix / Linux Administration
  • Windows Deployment
  • Virtualization
  • Technical Troubleshooting

Professional Strengths

  • Real-world troubleshooting
  • Customer service
  • Technical documentation
  • Business ownership
  • Hardware/software diagnostics
  • Fast learner
  • Reliable under pressure
  • Clear technical communication

Get In Touch

Open to IT Support, Help Desk, Desktop Support, Field Technician, and Junior Systems Administrator roles across NYC.

30-62 Steinway St, 2nd Floor · Astoria, NY 11103