Harun Sahiner

Harun Sahiner Email and Phone Number

Principal Consultant @ Techmakers
Fethiye, TR
Harun Sahiner's Location
Istanbul, Türkiye, Turkey
Harun Sahiner's Contact Details

Harun Sahiner work email

Harun Sahiner personal email

About Harun Sahiner

Versatile System Administrator with extensive experience and expertise with major Linux distributions and Windows server family, skilled in the architectural design, implementation and maintenance of high-availability systems for virtualization and storage systems.

Harun Sahiner's Current Company Details
Techmakers

Techmakers

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Principal Consultant
Fethiye, TR
Website:
techmakers.co
Employees:
10
Harun Sahiner Work Experience Details
  • Techmakers
    Principal Consultant
    Techmakers
    Fethiye, Tr
  • Midas
    Engineering Manager - Infrastructure And It
    Midas Aug 2023 - Oct 2024
    Istanbul, Turkey
    Infrastructure Achievements:Achieved 99.9% uptime SLA by managing and integrating data centers, preventing outages.Ensured 100% uninterrupted connectivity for Borsa Istanbul (BIST), AWS, and VPN with a redundant network.Prevented system outages with load balancers and high-availability systems.Boosted system efficiency by 90% through ATP Tradesoft GTP software transition.Created a Disaster Recovery environment with minimal RTO/RPO, ensuring business continuity.Reduced downtime by 99% with a real-time monitoring system, speeding up issue resolution.Enhanced service delivery by minimizing Call Center downtime.IT Achievements:Designed and deployed high-availability architecture for a new office, optimizing zero-downtime Access Point Network with Ekahau testing.Deployed MS Azure, AD, DNS, Google Workspace, achieving 100% uptime for hybrid work.Implemented an AI support bot, improving SLA tracking and tech support efficiency.Automated HR onboarding/offboarding processes, improving efficiency with barcode-based hardware tracking.While scaling from 40 to 200+ employees, efficiently managed their hardware and software.Thanks to my team!
  • Trendyol Group
    Head Of It Engineering
    Trendyol Group Jan 2021 - Aug 2023
    Istanbul, Turkey
    I was responsible for overseeing the entire IT engineering function, ensuring that the organization’s infrastructure, systems, and support mechanisms were aligned with business goals. I spearheaded large-scale infrastructure projects and ensured business continuity through effective resource and stakeholder management.Led infrastructure projects, including datacenter architectures and system migrations.Developed and implemented information security plans and endpoint protection strategies.Collaborated closely with business development teams to align IT strategies with business objectives.Managed supplier relationships and led efforts in resource planning for IT engineering projects.Utilized Agile methodologies to enhance project management efficiency, improving service levels and customer satisfaction.
  • Trendyol Group
    System & Support Manager
    Trendyol Group Jan 2021 - Jun 2022
    Istanbul, Turkey
    I managed system and support teams, ensuring that operational support was delivered at a high level and that business services were maintained without interruption. I was responsible for optimizing network architecture, improving teamwork, and implementing new technologies.Managed cloud computing solutions and web services to enhance system scalability and availability.Led efforts to implement access control systems and security protocols to safeguard organizational assets.Monitored and managed service levels to ensure consistent and reliable IT support across the organization.Directed the performance of the support team and call center operations to optimize service delivery.Focused on stakeholder engagement and communication to align IT services with the broader business strategy.
  • Trendyol Group
    System Administrator Team Lead
    Trendyol Group Mar 2018 - Jan 2021
    Istanbul, Turkey
    I was responsible for managing a team of system administrators and ensuring the smooth operation of IT infrastructure. I oversaw the implementation of key infrastructure projects and led the team in delivering solutions to support business needs.Supervised day-to-day operations of Linux-based systems and other critical infrastructure.Spearheaded resource management efforts to ensure effective allocation of IT resources for ongoing projects.Collaborated with cross-functional teams to implement solution architecture that met business needs.Led efforts in team building, ensuring a collaborative and high-performing work environment.Implemented key initiatives to improve the efficiency and reliability of data centers and related infrastructure.
  • Information Systems
    Is Consultant
    Information Systems Oct 2015 - Mar 2018
    Istanbul, Turkey
    Provided expert support in the design and installation of critical services, including data storage, virtualization, backup solutions, and disaster recovery systems, ensuring a 99% uptime across all implemented solutions.Utilized infrastructure design skills to create zero downtime systems, enhancing operational efficiency and reliability.Led IT transitions and technology refresh projects, effectively taking over operations from the sales team, which involved meticulous project management to ensure timely and budget-conscious delivery.Demonstrated solution-focused approaches in delivering 5+ major projects, which significantly improved service delivery and client satisfaction.Developed and implemented robust backup and disaster recovery strategies, showcasing expertise in backup solutions and disaster recovery planning to protect critical data and minimize downtime.Leveraged virtualization technologies to enhance service scalability and reduce operational costs, ensuring a streamlined infrastructure for clients.Managed the smooth transition of services from sales to implementation, employing strong transition management skills to facilitate seamless client onboarding and support.and secondly;Project Management of IT transitions and tech-refresh by taking over the business from the sales team.
  • Ibm
    It Specialist
    Ibm Mar 2014 - Oct 2015
    Istanbul, Turkey
    IBM Global Technology Services- IBM Managed cloud infrastructure and services, is specifically designed for running critical enterprise workloads, as well as managed enterprise-grade cloud infrastructure for critical web, mobile and social applications, dev and test and data center transformation.- Managed of Dedicated, shared and hybrid environments in IBM data centers.- Technical Lead of Projects.- Planning and creating architecturel design of virtual environment.
  • Mednautilus (Telecom Italia Company)
    Data Center Systems Engineer
    Mednautilus (Telecom Italia Company) Jun 2012 - Mar 2014
    Istanbul, Turkey
    -Virtual Hosting to fulfill all customers' needs.-vCloud-Backup-Storage Area Networking-Middleware Management-System Management-Service Delivery-Customer Support-Provide techical support for Pre-Sales / Sales & Marketing teams.
  • Ebay / Gittigidiyor
    Senior System Administrator
    Ebay / Gittigidiyor Jun 2011 - Jun 2012
    Istanbul, Turkey
  • Ebay / Gittigidiyor
    System Administrator
    Ebay / Gittigidiyor Jun 2008 - Jun 2011
    Istanbul, Turkey
  • Simternet
    System Specialist
    Simternet Nov 2007 - Apr 2008
    Istanbul, Turkey
  • Kobalt Construction
    System Specialist
    Kobalt Construction Sep 2006 - Nov 2007
    Istanbul, Turkey
  • Silk And Cashmere
    System Administrator
    Silk And Cashmere Jan 2005 - Jun 2006
    Istanbul, Turkey
  • Dorcoteks
    Information Technologies Intern
    Dorcoteks Jul 2002 - Dec 2002
    Ankara, Turkey

Harun Sahiner Skills

Veeam Mysql Netapp Filers Storage Management Domain Name System Windows Server Acronis Nagios Netapp Data Center Xen Zfs Dns Value Chain Management Cacti Storage Area Networks Tomcat Microsoft Technologies Cluster Ibm Servers System Administration Red Hat Linux Virtualization Apache San Vsphere Centos Java Jboss Application Server Netscaler Nas Brocade Fibre Switches Solaris Load Balancing Business Analytics And Big Data Hp Server Ubuntu Syncsort Vmware Infrastructure Server Architecture High Availability Hyper V Vmware Esx Redhat Pre Sales Vmware Dhcp Shell Scripting Bash

Harun Sahiner Education Details

Frequently Asked Questions about Harun Sahiner

What company does Harun Sahiner work for?

Harun Sahiner works for Techmakers

What is Harun Sahiner's role at the current company?

Harun Sahiner's current role is Principal Consultant.

What is Harun Sahiner's email address?

Harun Sahiner's email address is ha****@****ail.com

What schools did Harun Sahiner attend?

Harun Sahiner attended Istanbul Bilgi University, Anadolu University, Inönü University.

What skills is Harun Sahiner known for?

Harun Sahiner has skills like Veeam, Mysql, Netapp Filers, Storage Management, Domain Name System, Windows Server, Acronis, Nagios, Netapp, Data Center, Xen, Zfs.

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