Dennis Maniatakis
Palatine,USA
Summary
Experienced professional in diagnosing and resolving issues with computer systems, mobile devices, and peripheral equipment. Proficient in addressing usability and security concerns. Demonstrated ability to independently investigate and troubleshoot technical problems.
Overview
26
26
years of professional experience
1
1
Certification
Work History
Certified Nursing Assistant
Greek American Rehabilitation & Care Centre
Wheeling, IL
10.2023 - Current
- Support daily living activities by assisting with bathing, dressing, and grooming
- Monitor vital signs and document changes for nursing staff review
- Maintain cleanliness and organization of patient rooms and medical supplies
- Collaborate with healthcare team to ensure comprehensive patient care
- Educate patients and families on health management and care plans
- Provide emotional support to patients, fostering a compassionate environment
- Facilitate mobility by assisting with walking and safe transfers
- Respond promptly to call signals to address patient needs
Freelance IT Tech / Home Lab Operator
Self Employed
Palatine, IL
01.2000 - Current
- Execute field service tasks while operating a full-stack home lab
- Build and repair custom Windows and macOS systems for various clients
- Configure pfSense firewall, implementing domain blocking, port forwarding, and DNS overrides
- Manage multi-VM environments in Proxmox and VMware Workstation Pro for OS testing
- Troubleshoot technical issues via phone, remote access, and in-person support
- Educate clients on software usage and system security best practices
- Update software versions with patches to eliminate security vulnerabilities
Skills
- Windows 10/11 and macOS
- Linux basics
- Custom PC builds and upgrades
- Networking fundamentals
- Proxmox and VMware tools
- IT fundamentals and diagnostics
- Customer service and support
- Virtualization management
- Firewall configuration
- Software patching and updates
- Technical support and education
- Data backup strategies
- Problem solving and troubleshooting
- Attention to detail and organization
- Time management skills
- Security patching processes
- Application installations and configurations
- User training and client education
Certification
- CompTIA A+ (2025)
- Currently studying Network+ Security+
- Certified Nursing Assistant (2023)
Languages
English
Native/ Bilingual
Greek
Professional
References
References available upon request.
Timeline
Certified Nursing Assistant
Greek American Rehabilitation & Care Centre
10.2023 - Current
Freelance IT Tech / Home Lab Operator
Self Employed
01.2000 - Current