Cahit Öz

Cahit Öz

Forellenweg 7, 51427 Bergisch Gladbach +49 157 50326326

  • 20+ years of work experience of which 12+ years were involved in coordinating and integrating teams located in geographically separated locations.
  • Ensuring that the infrastructure and software solution meets the required security standards and regulations (hardening). Vulberability Scanning DevSecOps
  • Implementation of HA (High Availability) systems that specified DR solutions considering cost and RTO/RPO.
  • Containerizing applications and their orchestration using Kubernetes / EKS / ECS
  • Requirements management, documentation and optimization of processes.
  • A Cloud enthusiast with experience in AWS. Azure and GCloud and platform independant tools like Terraform, Kubernetes, Packer and Docker


Consultant, Developer (Freelancer)

Bundeswehr IT (BWI)

  • Scanning Infrastructure for Security Vulnertabilitis
  • Hardening Infrastructure
  • Penetration Testing

Used technologies, Tools and Methodologies
Golang, Kubernetes, REDHAT, SLES, Docker, NMAP

February 2023 - ~

Consultant (Freelancer)

Misumi Europe GmbH

  • Coordinating changes on AWS side with stakeholders
  • Optimizing resources on Cost and Performance
  • Improving the system for Disaster Recovery (DR)
  • Advising developers on how to design High Available (HA) Systems
  • Improving the security posture of the System

Used technologies, Tools and Methodologies
AWS Backup, EC2, Aurora, EKS, Apprunner, Security, Containers, Docker, High Availability, Disaster Recovery

June 2023 - February 2024

Senior Technology Architect

Bearingpoint GmbH

  • Consulted customers that wanted to migrate their SAP systems to the cloud

Used technologies, Tools and Methodologies
SAP, Data Analytics, EC2, SAP Activate, Cost Optimization, High Availability, Disaster Recovery

February 2023 - June 2023

Solution Architect

Lufthansa Industry Solutions

  • Hardening several Environments against vulnerabilities
  • Enhancing the current development enviroment with CI/CD using GitHub Actions
  • Setting up a Network Firewalls and a Transient Gateways to ensure that all communication between VPCs and the Internet is secured
  • Integrating the Infrastructure running in AWS via APIGEE (REST API Gateway Google) running on GCP

Used technologies, Tools and Methodologies
Terraform, Amazon Inspector, Amazon Code Build, Amazon Code Deploy, Amazon Code Pipeline, APIGEE

May 2022 - October 2022

Solution Architect

Siemens Industry Solutions GmbH

  • Automating and Optimizing the Cloud infrastructure creation for prospective Customers
  • Creation of a web site where users can request the infrastructure for benchmarks which will get automatically deployed and an email containing the password, RDP and various IP adresses is sent to the users.
  • Converting the Server systems to Docker containers
  • Automating recursive tasks via Lambda Functions
  • Automatig Infrastrukture deployments by using Cloudformation and Terraform (Infrastructure as Code - IAC)
  • Creating the VDI infrastructure to connect to the environments via Workspaces and AppStream

Used technologies, Tools and Methodologies
AWS, Workspaces, AppStream, Lambda, Boto3, Go Lang, Python, Cloudformation, EC2, Directory Service

September 2019 - April 2022

Consultant (Freelancer)

CHRIST Juweliere und Uhrenmacher seit 1863 GmbH

  • Rollout of Fiskalisierung in Austria for GK Cash Registers
  • Requirements gathering
  • 3rd. Level Support

Used technologies, Tools and Methodologies
GK Cash Registers

March 2019 - Juli 2019

Programm Manager / Solution Architect(Freelancer)

LTI - Larsen & Toubro Infotech

  • Submitting a Proposal to Migrate 53 on premise SAP Servers (Prod/Dev/Test) to the AWS cloud.
  • During this migration, 23 instances that use Oracle DB should have been transformed to SAP HANA and 30 environments migrated via Lift&Shift
  • The main objective of the customer is to optimize the environment for cost and agility and minimize its IT footprint.

Used technologies, Tools and Methodologies
SAP HANA, SAP ASE, Software Update Manager (SUM), database migration option (DMO), Cloudformation, System Manager, EC2, Lambda, Route53, S3, Glacier, AWS Direct Connect, Palo Alto, Kaspersky

May 2019

Solution Architect/Consultant (Freelancer)

ALDI Süd International Services

  • Analyzing the Onpremise and AWS Cloud infrastructure and reporting the requirements needed to fullfill the PCI/DSS 3.2.1 requirements

Used technologies, Tools and Methodologies
AWS, Datenzentren, SAP Hybris, SAP, ADOBE Experience Manager

Januar 2019

Projectmanager / Consultant

Amadeus Data Processing GmbH (Erding) (Temporary Employment)

  • Ensuring that communication within the internal and external network is PCI/DSS compliant. That communication is established over TLS 1,2 only and using strong ciphers.
  • Establishing systems to track customer readiness and F5 configuration monitoring.
  • Coordination of remote and onsite teams that handle the Application, Server and Cloud infrastructure.
  • Design of Software Solutions that are used to track vulnerabilities.

Used technologies, Tools and Methodologies
AWS Cloud, Amazon ECS, Kubernetes, System Architecture, JIRA, Confluence, SLA, Network scanners, Nmap, Citrix, Thin / Fat-Client, TLS-Scanner, Security, Vulnerability-Scanner, Elastic Search, Kibana

October 2017 - December 2018

Project Manager / Solution Architect

Optimize Route (Home Office) (Founder of the Startup)

  • The optimized routes were then transferred to the phone of the driver (The Ionic framework was used to establish a solution for iPhone, Android and Windows based Phones)
  • Development of a Software Solution that optimizes destinations that are entered through an API either based on Time or Distance
  • For scalability the Google FIREBASE database was used.

Used technologies, Tools and Methodologies
Google Maps, Google Cloud Platform, Microservices, Google Functions, Docker, Google Firebase, IONIC Framework, PHP, Node.JS, Angular JS, Maria DB, FIREBASE, HTML, CSS, Java Script

March 2017 - October 2017

Project Manager

GK Software AG (Home Office)

  • Responsible for the design of the Application and Technology Architecture and managing their implementation for the Retail sector.
  • Leading workshops to analyze the IS State and gather customer requirements.
  • Monitoring and Reporting the project status, ensuring that the project is within the defined budget, quality and proceeding according to plan.
  • Responsible for the delivery of Licenses, Software and integrating our systems to services provided by 3rd parties.

Used technologies, Tools and Methodologies
System Architecture, JIRA, Confluence, SAP, SAP-HANA, Oracle, MS-SQL, Java, IIS, Tomcat, NetWeaver, POS, Label and Poster Printing, Scale, Self-Checkout

January 2016 - March 2017

Military Service

Turkish Military (Istanbul/Turkey)
December 2014 - May 2015

Solution Architect / Projekt Manager / Team Leader / Software Developer

Unify Inc. / ICTerra Information & Communcations A.S. (Ankara/Turkey)

  • Gathering requirements and designing the System and Software Architecture.
  • Problem management, Incident Management and ensuring that they are solved within the time frame specified by the SLA.
  • Working in multicultural environment acting as single point of contact between Product Owners across Europe and the Development and Test Teams in Turkey.
  • Designing, preparing and updating the required documents, tools and reports informing stakeholders about the Project status.
  • Ensuring that the customer system environment (CMDB) is kept up to date.
  • As a Product Owner was responsible for developing a new Software Solution. (modernisation of an existing system)

Used technologies, Tools and Methodologies
Product Owner, BPMN, SDLC, SLA, KPI, VoIP, SIP, HFA, TDM, Unified Communications, C, C++, ECL, Java, PHP, Perl, Soft Clients

July 2008 - December 2014

Global Vendor Support / Service Manager

Siemens Enterprise Communications (Ankara/Turkey)

  • Responsible for two Software Applications to enhance customer satisfaction.
  • Problem and Incident Management, Root cause analysis, release Management.
  • Ensuring that problems were solved, within the times defined by the SLA.
  • Regular reporting regarding for Management about Incidents and Problems.
  • Requirements gathering.

Used technologies, Tools and Methodologies
ITIL, SLA, User Management, Fault Management, Quality of Service Management, (BSS/OSS) , Java,

March 2007 - July 2008

Project Management / Software Development Specialist

Uzel Holding (Istanbul/Turkey)

  • Was responsible for the ERP upgrade of a newly Acquired German company and its integration with the SAP system.
  • Responsible of elevating the level of services provided by the IT department using COBIT and ITIL
  • Implementing solutions to automate processes in Automotive Manufacturing.

Used technologies, Tools and Methodologies
COBIT, ITIL, IT Service Management, Project Management

February 2005 - March 2007

Software Development Engineer

SFS (Istanbul/Turkey)

  • Responsible for enhancing their Software Solution based on customer Requirements.

Used technologies, Tools and Methodologies
Visual Basic 6, ASP, .NET, Jasper Reports, UML

August 2004 - February 2005

Automation Programmer

AMA Systems GmbH – Pforzheim

  • Porting a Software Monitoring Server System, running under HP-UX, to a Server-Client System that would, on the client side run on Windows Desktop Computers.
  • The system was used to evaluate the Quality of the spraying process of Automobiles.

Used technologies, Tools and Methodologies

January 2002 - March 2004


Office of Lifelong learning (Edinburgh/UK)

Giving lectures for Adults on the following subjects.

  • Visual Basic for Beginners
  • Visual Basic for experienced programmers
  • Programming for the Web

October 1999 - July 2001


December 2001

Eastern Mediterranean University

July 1998


Programming Languages & Tools
  • Java, C#, VB, PHP, C, C++, R, NodeJS, React, Angular
  • Oracle, MS SQL, MySQL, NoSQL, Firebase, Aurora, Mongo DB, DaynamoDB
  • CIS Benchmark, DevSecOps, SAST, DAST, IAST
  • Migrating Datacenters, Software Solutions into the cloud (Lift & Shift / Optimization for the Cloud), Microservices, REST-API
  • Security, Telecommunication, Integration, Requirements Garhering

  • Cross Functional Teams
  • Agile Development & Scrum
  • DevOps, CI/CD

The latest version of my CV can be found under