Hi, my name is

Ayhan Polat.

I build and maintain IT systems.

I'm an IT Administrator with over 15 years of experience in maintaining and managing handhelds, computer systems, servers, networks, and databases. Currently, I'm focused on providing top-notch technical support.

Check out my experience!

01. About Me

Hello! I'm Ayhan, an IT professional with over 15 years of experience in the field. My journey in IT began with a passion for solving complex technical problems and has evolved into a career focused on maintaining and optimizing IT infrastructures.

My expertise spans a wide range of areas, including:

  • Hardware & Devices
  • Software & Operating Systems
  • Networking & Infrastructure
  • Server & Cloud Technologies
  • Security & Compliance
  • Remote Support & Management

I'm skilled in troubleshooting and problem-solving, with a solid ability to work well in a team and communicate effectively with non-technical colleagues. When I'm not immersed in IT systems, you can find me exploring new technologies, contributing to open-source projects, or mentoring aspiring IT professionals.

📍 Austin, TX | 🇺🇸 Authorized to work in the US - No current or future sponsorship required

02. Skills

Server & Virtualization

Windows Server
Linux Server
Hyper-V
VMware
vCenter
Docker
Kubernetes

Cloud Platforms

AWS
Google Cloud Platform (GCP)
Microsoft Azure

Networking

TCP/IP
VOIP
DNS
VPN
DHCP
LAN
VLAN
SD-WAN
Wi-Fi
Fiber Optic
Long-range radio

Database Management

Microsoft SQL Server
MySQL Server
PostgreSQL Server
MongoDB
Redis
Apache Cassandra

Microsoft Technologies

Active Directory
Microsoft Exchange Server
Microsoft 365
Remote Desktop Services (RDS)

Storage & Backup

NAS
SAN
Cloud Storage
Cluster
Veeam Backup

Web Servers

Internet Information Services (IIS)
Apache
Nginx
NodeJS

Security

Firewalls
UTM
Log servers
Gateways

Network Hardware

Manageable switches
Router configuration
Fortinet
Sophos
Cisco
Aruba
UniFi
Synology
HP Enterprise (HPE)
Mikrotik

Service Management

ServiceNow
Jira Service Management
Zendesk
ITIL Framework
SLA Management
Incident Management

03. Certificates

CompTIA A+

CompTIA

2024

03. Education & Experience

Associate degree in Computer Sciences @ Kahramanmaras University

Kahramanmaras, Turkiye2008

Service Coordinator @ Agora Refreshments

Austin, TXFebruary 2025 - Present

  • As a Service Coordinator, service operations are optimized to ensure efficiency, customer satisfaction, and seamless team coordination. Customer inquiries and complaints are handled, and the timely resolution of service requests is ensured. Workflow improvements, performance metric tracking, and process enhancements are implemented in close collaboration with stakeholders. Additionally, inventory and spare parts management are overseen to maintain operational continuity. With strong problem-solving skills and a customer-focused approach, contributions are made to the overall success and efficiency of the service department.

Service Technician @ Compass Group (Canteen)

Austin, TXNovember 2023 - February 2025

  • Lead installation and maintenance of vending systems including coffee machines, micro markets, and kiosk computers, ensuring 99% uptime through proactive maintenance.
  • Optimize service routes and inventory management, resulting in 30% reduction in response time and improved customer satisfaction.
  • Implement preventative maintenance procedures and safety protocols, extending equipment lifespan and maintaining compliance standards.
  • Provide technical support both remotely and on-site, maintaining high first-call resolution rate.

IT Administrator @ ElbiNet Teknoloji A.S.

Istanbul, TurkiyeJune 2017 - November 2023

  • Led enterprise-wide infrastructure management, reducing system downtime by 20% through proactive monitoring and maintenance strategies.
  • Orchestrated successful cloud migration projects to AWS and Azure, resulting in 30% cost reduction and improved scalability.
  • Implemented comprehensive security measures reducing incidents by 30%, including firewall configuration, UTM deployment, and security patch management.
  • Managed and optimized diverse technology stack including virtualization (VMware, Docker), networking (TCP/IP, VPN, SD-WAN), and databases (SQL, MongoDB, Redis).
  • Developed and executed disaster recovery plans, reducing recovery time by 25% through efficient backup solutions and failover systems.
  • Streamlined mobile device management for enterprise fleet, achieving 25% improvement in device availability and maintenance efficiency.
  • Architected and maintained high-availability services including Active Directory, Exchange Server, and Microsoft 365 for 500+ users.
  • Managed enterprise service desk using ServiceNow and Jira Service Management, handling 1000+ monthly tickets with 95% SLA compliance.

IT Specialist @ Ceren Ithalat ve Dagitim A.S.

Istanbul, TurkiyeJanuary 2015 - June 2017

  • Spearheaded IT infrastructure optimization initiatives, improving system performance and reliability.
  • Implemented automated patch management and security protocols, ensuring 99.9% system availability.
  • Managed end-to-end IT support operations with efficient ticket resolution and high customer satisfaction.
  • Designed and deployed network solutions including VLANs, VPNs, and security measures.
  • Developed and maintained documentation for IT processes, reducing training time for new staff by 40%.

Computer Teacher @ Turkish Employment Agency (ISKUR)

Istanbul, TurkiyeJune 2013 - January 2015

  • Developed and delivered comprehensive IT training programs, achieving 90% student satisfaction rate.
  • Created innovative teaching methods combining theoretical knowledge with practical applications.
  • Maintained detailed progress reports and adapted teaching methods to individual learning styles.

Startup Founder @ Elbistan Bilisim

Istanbul, TurkiyeOctober 2009 - June 2013

  • Founded and managed an IT services company, providing solutions for local businesses and educational institutions.
  • Implemented comprehensive IT infrastructure solutions including networks, servers, and security systems.
  • Developed automation scripts and protocols that improved operational efficiency by 35%.
  • Maintained 95% client retention rate through excellent service delivery and technical support using Zendesk for customer service management.

IT Specialist @ SEAS Organization LTD

Istanbul, TurkiyeJanuary 2008 - October 2009

  • Managed critical IT infrastructure including servers, networks, and security systems.
  • Implemented and maintained high-availability services (DNS, DHCP, Active Directory) with 99.9% uptime.
  • Provided technical leadership and mentoring to junior team members.
  • Developed and executed IT policies improving overall system security and efficiency.

04. Some Things I've Built

Network Infrastructure Upgrade

A company-wide network infrastructure was upgraded to improve performance and security. The existing network was analyzed, and a new topology was designed. Implementation included the installation of new switches, routers, and firewalls. VLANs were configured for better network segmentation. The project resulted in a 40% increase in network speed and a significant reduction in security vulnerabilities.

Server Virtualization Project

A large-scale server virtualization project was executed using VMware vSphere. Physical servers were migrated to a virtual environment, reducing hardware costs by 60%. High availability and load balancing were configured to ensure optimal performance. The project also included the implementation of a disaster recovery plan using vSphere Replication.

Cloud Migration Strategy

A comprehensive cloud migration strategy was developed and implemented for a mid-sized company. The project involved assessing current on-premises infrastructure, selecting appropriate cloud services (AWS and Azure), and planning the migration of applications and data. The migration resulted in improved scalability, 30% cost savings, and enhanced disaster recovery capabilities.

Identity and Access Management (IAM) System Implementation

An enterprise-wide Identity and Access Management (IAM) system was implemented to enhance security and streamline user access across multiple applications and systems. The project included the deployment of single sign-on (SSO) capabilities, multi-factor authentication (MFA), and role-based access control (RBAC). User provisioning and de-provisioning processes were automated, reducing administrative overhead by 70% and significantly improving overall security posture.

Automated Patch Management Solution

An automated patch management solution was implemented using Microsoft SCCM (System Center Configuration Manager). The system was configured to automatically download, test, and deploy patches to all company devices. A reporting system was created to track patch compliance. This solution reduced system vulnerabilities by 75% and saved approximately 20 hours of manual work per week.

VoIP Telephony System Implementation

A VoIP telephony system was implemented across multiple office locations. The project included the installation of IP phones, configuration of a call manager, and integration with the existing network infrastructure. Features such as voicemail-to-email and mobile extensions were set up. The new system resulted in a 40% reduction in telephony costs and improved inter-office communication.

Cybersecurity Enhancement Initiative

A comprehensive cybersecurity enhancement initiative was undertaken. This included the implementation of a next-generation firewall, an intrusion detection and prevention system (IDS/IPS), and endpoint protection software. Security policies were updated, and regular vulnerability assessments were scheduled. Employee cybersecurity training was also conducted. These measures led to a 70% reduction in security incidents.

Business Intelligence Dashboard

A Business Intelligence dashboard was developed using Power BI. The dashboard integrated data from various sources including sales, finance, and operations databases. Custom visualizations and KPIs were created to provide actionable insights to management. The implementation of this dashboard led to more data-driven decision making and improved overall business performance.

Disaster Recovery and Business Continuity Plan

A comprehensive Disaster Recovery and Business Continuity Plan was developed and implemented. This included setting up off-site data replication, configuring failover systems, and establishing emergency communication protocols. Regular drills were scheduled to test the effectiveness of the plan. This initiative ensured business operations could continue with minimal disruption in case of a disaster.

Mobile Device Management Solution

A Mobile Device Management (MDM) solution was implemented to manage and secure a fleet of company-owned mobile devices. The system was configured to enforce security policies, remotely wipe lost devices, and distribute approved applications. This solution improved mobile device security and reduced the time spent on device management by 50%.

Comprehensive End-User Support Ticketing System

Implemented a centralized help desk system using ServiceNow to streamline user support requests. Established SLA-based ticket prioritization, automated escalation procedures, and comprehensive knowledge base. Reduced average ticket resolution time from 48 hours to 6 hours while maintaining 98% customer satisfaction rating. Handled 300+ tickets monthly covering hardware, software, and network issues.

Enterprise-Wide Software Deployment & Training Program

Led the rollout of Microsoft Office 365 suite to 250+ employees across multiple departments. Developed custom training materials, conducted hands-on workshops, and provided one-on-one support during transition period. Created user-friendly quick reference guides and video tutorials. Achieved 95% user adoption rate within 30 days with minimal productivity disruption.

Remote Desktop Support Infrastructure

Designed and implemented a secure remote support solution using TeamViewer and Windows Remote Desktop Services. Established VPN access protocols and multi-factor authentication for technician connections. Enabled 24/7 remote troubleshooting capabilities, reducing on-site visits by 70% and improving response time for critical issues from 4 hours to 30 minutes.

User Account Management & Access Control System

Developed automated user provisioning and de-provisioning workflows integrated with HR systems. Implemented role-based access control (RBAC) policies and regular access reviews. Created self-service password reset portal reducing password-related support calls by 60%. Ensured compliance with security policies while maintaining seamless user experience for 250+ active accounts.

On-Site Hardware Repair & Maintenance Program

Established comprehensive on-site repair services for desktops, laptops, printers, and peripherals across multiple office locations. Maintained inventory of common replacement parts and diagnostic tools. Reduced hardware downtime by 85% through proactive maintenance schedules and quick component replacements. Performed motherboard repairs, RAM upgrades, and hard drive replacements achieving 95% first-visit resolution rate.

Field Service & Equipment Installation Initiative

Led on-site installation and configuration of vending machines, kiosk computers, and Point-of-Sale systems across 50+ locations. Performed preventive maintenance, troubleshooting, and emergency repairs. Developed standardized installation procedures and maintenance checklists. Achieved 99% equipment uptime and reduced service calls by 40% through proactive maintenance approach and user training.

Active Directory Infrastructure Optimization

Redesigned and optimized Active Directory structure for improved performance and security. Implemented Group Policy Objects (GPOs) for automated software deployment and security compliance across 250+ workstations. Configured domain controllers, DNS replication, and trust relationships. Reduced login times by 60% and simplified user management processes while ensuring 99.9% domain availability and enhanced security posture.

Data Center & Server Room Management

Managed enterprise server room infrastructure including environmental controls, power distribution, and physical security systems. Implemented structured cable management, rack organization, and proper ventilation systems. Monitored temperature, humidity, and power consumption using SNMP-based monitoring tools. Reduced server downtime by 90% through proactive environmental monitoring and maintained optimal operating conditions for 12 physical servers hosting 24 Hyper-V and 14 VMware virtual machines.

05. What's Next?

Get In Touch

I'm currently looking for new opportunities in IT administration and support. Whether you have a question or just want to say hi, I'll try my best to get back to you!

Say Hello