Resume ( CV )

Cetin Kocaman EXPERIENCES

12/2021- Working    Infosys Turkey (Contracted)   – Senior Administrator

 

  • System Operations (Wintel&Linux) Team Leading
  • All Windows and Linux Servers system supports.
  • Citrix XenApp Application Sharing System Support and maintenance.
  • SCCM Vnext Client-side management and clients standard applications management.
  • Windows AD Management and AD Split Project management.
  • DevOps System Management and Implementation project management (Github, Jira, Jenkins, Power Shell) on IIS servers.
  • Windows Server Image Deployment Automatization via Ansible Tower and maintenance.
  • Suse Linux Enterprise Server Support Sap and HANA systems. (Daimler Standards SLES)
  • Centos, Ubuntu Linux Systems Support and installations. (Daimler Nonstandard Linux Env.)
  • SLES Mars and Ansible Automatization tools management.
  • Mercedes Benz (MBT) Azure Cloud Engineering.
  • Windows & Linux Systems mass app deployment and server management automatizations via ansible (yml).
  • AD Account and Group Management and automatization via PowerShell (DCTDMS Domain)
  • PowerShell (ps1) and yml file development.
  • Infosys Turkey Inventory file management and documentation.
  • Vulnerability management and mitigation (solution) development and implementation on all server environments.

 

12/2021- Working       Bigs Bilisim Ltd.Sti           — Co-Founder and Worker

 

 

03/2021- 01-2022             Webhelp Turkey                         — System Manager

  • Designing appropriate strategies and ensured compliance to all present and future requirements.
  • Developing and maintained standard policies and procedures for project.
  • Preparing bid proposals and contracts for system infrastructure projects.
  • Negotiating with vendors and contractors for all specific products.
  • Drafted project initiation projects and prepared required paperwork.
  • Determining and maintained service level agreements for all departments.
  • Performing tests on all data recovery plans for all business continuity activities.
  • Administering internal business network for internal connectivity.
  • Providing support to all activities of system administration.
  • Design, develop, and support the corporate IT infrastructure including Voice/Data Networks, System Administration and Data Center Management
  • Responsible for all infrastructure including servers, patching, configuring, installing and maintaining Windows and Linux Servers.
  • Managing Infrastructure team members from various locations for the related projects.

03/2014- 03-2021      Mercedes Benz Turk A.S.    – Senior System Engineer

  • All Windows and Linux system supports.
  • Citrix XenApp Application Sharing System Support.
  • SCCM 2007, Vnext Management and Project implementation.
  • Windows AD Management and upgrade project management.
  • DevOps System Management and Implementation project management (Github,Jira, Jenkins, Power Shell)
  • Windows Server Image Deployment Automatization via Ansible Tower.
  • Suse Linux Enterprise Server Support Sap and HANA systems.
  • ITI Projects Lead (Daimler Blue PC, Mcafee FRP Project, Windows 10 Readiness, DevOps)
  • Centos OS Corporate Implementation and automation
  • Saltstack Linux System Orchestration implementation Project and Management.
  • Mercedes Benz Turk Azure Cloud Engineering and implementation.
  • Mercedes Benz Turk Truck Key Programming System Log management via Elastic Stack and Grafana project implamentation and system management.

 

 

05/2012- 03/2014   Free Lance System Engineerr   — Free lance E-Commerce Support

  • All Windows, Linux, Firewall, Proxy Log Management Support.
  • Nginx Web Server Management. (Python Django UWSGI setups, php-fpm setups on nginx, etc…)
  • Apache Web Server Management (Mem cache, .htaccess and .htpass folder protection etc…)
  • MySQL Server Management (Query Optimization, Database Design for e-commerce web sites, etc…)
  • All Network Device and Server Monitoring Support
  • Determine the needs of the customer and offering the specific product.
  • Amazon Cloud Systems Support (EC, SES, S3 etc…)
  • E-Commerce Web Site support (com , vollena.com, dnzsprt.com, etc…)
  • Email sending, inbox delivery improvements support.

06/2009- 04/2012   Vip İndirim Elekronik A.Ş.( Markafoni)    — System Administrator

  • All Windows, Mac (Photoshop) and Linux (Development) Clients Support
  • Local Windows AD build and management.
  • Maintaining Debian based Linux Web and Database servers.(Nginx revers proxy ,apache web server , PostgreSQL DB )
  • Corporate Web Site Management (Backend reports database management, Sync web site to accounting system for the invoices etc…)
  • Linux Backup System automatization
  • Astaro Firewall management
  • All Network System Support ( Cisco routers and LAN Products)
  • Linux Based Virtual Servers (ZEN) Management.
  • Citrix Zen Servers Setup
  • ESX Server Management and Implementation.

05/2006- 07/2007            Siemens Turkey           — Senior System Engineer

  • Finding solutions for the Problems if the first level support couldn’t find.
  • All Windows Server Systems support.
  • ESX Servers systems support
  • EMC Storage solutions management.
  • Apply all Tivoli updates and patches to the bind servers.
  • Server Migration jobs from Real Hardware to ESX (Virtual Servers) servers.
    • Disk sharing on EMC Systems for Host Operating Systems
    • Backup EMC Disk systems from ESX servers with
    • Storage and Virtual server’s performance monitoring.
  • All Customer Servers are in Germany and other European Countries.
  • Tivoli Systems Management Ticket System Monitoring.
  • I was work in Siemens as Second Level Fault Management and Task Management Senior Windows Engineer.

 

06/2003- 05/2006    Delta Petroleum Product Co.   — Senior System Specialist

  • Giving Support to Company users, building and managing the all company servers.
  • Especially Windows 2003 Active Directory, SQL and Exchange server systems.
  • Oracle System Linux Server maintenance
  • NAS Storage Solutions maintenance ( for Oracle System usage)
  • Wide area project designing and establishing with Cisco or with similar equipment.
  • Monitoring the WAN Lines and, all kind of System Administration jobs; Help desk, Maintenance, Monitoring, Designing, New user registration, System Updates and patches etc….
  • Windows NT systems to Windows 2003 Upgrade project

 

12/2000-3/2002             Total   Turkey       –Information Technology Staff  

  • Helping to end users and providing the continuity of the WAN, LAN, Computer Systems

 

EDUCATION                                      

 

2007-2009         Halic Universty MIS Master

1994-1999         Ege University Water Production Engineering

1991-1994         Özel Erenköy Güneş High School Science and English

  

COURSES / CERTIFICATES                                                

Microsoft Azure Certified Azure Fundamentals AZ-900

Daimler AG; Saltstack and Shell Scripting.

ITU; Linux System Engineering Course (Red hat)

Siemens Munich; Tivoli System Management Administration (Germany)

Siemens Munich; EMC Storage Solutions Administration (Germany)

Siemens Kartal; Tivoli usage and managing. (Turkey)

Netron Tech. Institute; Windows 2003 AD, Network and system administration.

Wall Street Institute (English)

BEBIMPEC IT Master Course (MCSA, MCSE, MCDBA).

Mercedes BT Houston IT Project Management

Markafoni Agile Project Management

UDemy Powershell development

UDemy Yml Development

Udemy Ansible Basics to Advance system management

Udemy Azure PAAS management

Udemy Python for Beginners

Udemy Shell Scripting for Beginners

Udemy Kubernetes Management for beginners

Udemy Docker Management for beginners

Udemy from Scratch to advance Kubernetes Node.js app deployment and scalability.