Taher Solimany - DevOps Engineer for Observability

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Hamburg, Germany

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Experience

Apr 2025 - Present

1 year 6 months

DevOps Engineer

Confidential

Working with developers, security, and operations teams to align requirements
Supporting product owners and development teams in using logging and monitoring solutions based on the Elastic Stack
Developing and standardizing log schemas as well as defining practical standards for observability
Designing and further developing logging architectures for complex, distributed multi-tenant environments
Connecting application and infrastructure logs as well as security tools and metrics
Optimizing data flows and modeling for analysis and reporting purposes
Building automated infrastructures using Terraform/Terragrunt and Ansible
Maintaining and further developing CI/CD pipelines in GitLab as well as automated development environments in Hetzner Robot
Operating and automating Proxmox clusters including Ceph storage
Setting up and operating Kubernetes (k3s) clusters on Fedora CoreOS including base services such as Vault, OpenLDAP, and HA Proxy
Implementing security-critical infrastructures according to BSI baseline protection and securing existing systems
Supporting the operation of solutions in cloud environments (including AWS)
Working in agile teams using Scrum and Kanban
Technologies/ applications: Elastic Stack (Elasticsearch, Logstash, Beats/Elastic Agent, Kibana), Terraform, Terragrunt, Ansible, GitLab CI/CD, GitOps, Proxmox, Proxmox Ceph, Kubernetes (k3s), OpenShift, Helm, Kustomize, Vault, OpenLDAP, HA Proxy, Hetzner Robot systems, AWS, Prometheus, Grafana, Syslog Linux/Windows, Docker, NGINX, Apache Security & Compliance (BSI baseline protection, SIEM/SOC)

Apr 2024 - Mar 2025

1 year

DevOps Engineer

Bitmarck Technik GmbH

Working in an agile team using Kanban
Migrating monolithic applications and microservices to OpenShift in a scalable microservices architecture
Building and maintaining CI/CD processes for automated deployments with GitLab and ArgoCD using GitOps principles
Developing logging and monitoring strategies with Elastic Stack (Elasticsearch, Logstash, Kibana, Beats) including dashboards, visualizations, and alerting
Creating log schemas, normalizing and enriching data for improved observability
Setting up monitoring dashboards in Kibana and expanding observability with Prometheus and Grafana
Secret management via kubeseal and sealed secrets as well as securing platform components according to BSI baseline protection
Onboarding microservices to OpenShift including Helm chart integration and Kubernetes Kustomize templates
Connecting a 3Scale Manager for load balancing as well as integrating a Web Application Firewall into the namespaces
Performance optimization and high availability concepts for Elastic clusters and microservice deployments
Building and operating logging and monitoring architectures for multi-tenant environments
Connecting Prometheus Blackbox exporters to collect metrics from microservices
Setting up ELK and Logstash pipelines for processing and standardizing logs from multiple customers
Load balancing and reverse proxy with NGINX/HA Proxy
Technologies/ applications: Kubernetes, OpenShift, ArgoCD, On-Premise, OAuth2, GitLab, GitOps, Helm, Kustomize, Prometheus, Grafana, PaaS, ELK, NGINX, Apache

Sep 2020 - Apr 2024

3 years 8 months

DevOps Engineer

Airbus S.A.S.

Working in an agile team using SAFe and actively supporting the transformation of legacy systems
Moving a monolith to a microservices architecture and building a scalable container platform
Integrating all changes into CI/CD pipelines with Jenkins and Docker, including automated tests and quality assurance
Building automated infrastructure with deployment and service templates as well as self-healing mechanisms with Ansible
Implementing logging and monitoring solutions with Elastic Stack (Elasticsearch, Logstash, Kibana) as well as standardizing log formats for different services
Connecting security and compliance tools to the logging architecture as well as normalizing and correlating logs for better observability
Setting up dashboards to monitor environments with Prometheus, Grafana, and Kibana, including performance and capacity analyses
Integrating static code analysis (SonarQube) into the development process to ensure code quality and compliance
Containerizing and orchestrating services with Docker and Kubernetes, including building multi-tenant structures
Configuring load balancers with HA Proxy as well as securing the platform with reverse proxy and HTTPS connections (including SSL certificates, HSTS, OCSP Stapling)
Carrying out performance and load tests with Citrus to ensure system stability
Building a POC with a deployment pipeline in OpenShift and migration to the AWS cloud infrastructure
Provisioning and setup for integration, validation, and production environments with Ansible and Terraform
Developing security-critical architectures according to BSI baseline protection and supporting security monitoring in cloud and on-prem environments
Version control management with Git and working according to agile principles
Technologies/ applications: Shell, Docker, Kubernetes, MongoDB, OpenShift, Gradle, Ansible, AWS, SaaS, GitLab, Kanban, SAFe, Citrus

Apr 2020 - Aug 2020

5 months

Backend Developer

Bosco Consulting GmbH & Co. KG

Working in an agile team using Scrum
Implementing a web service for the automatic generation of profiles for applicants
Connecting a MongoDB for applicant data
Integrating all changes into a continuous integration pipeline with OpenShift
Containerizing and orchestrating the application with Docker and Kubernetes in AWS
Setting up version control with GitLab
Infrastructure provisioning in AWS with Terraform
IAM configuration with Terraform
Autoscaling with Terraform
Technologies/ applications: Kotlin, Docker, Kubernetes, MongoDB, OpenShift, Terraform, Gradle, AWS, Ansible

Nov 2018 - Mar 2020

1 year 5 months

DevOps Engineer

Hamburg South American Steamship Company A/S & Co KG

Automating build and deployment processes for the in-house software GLOBE
Developing build tools with Gradle to simplify and standardize integration and deployment workflows
Creating and maintaining CI/CD pipelines with Jenkins and Shell, including integration of automated UI tests
Automated deployment of new versions of the Java application as well as building reusable deployment templates
Introducing containerization and orchestration with Docker and Kubernetes, including basic logging and monitoring concepts
Expanding monitoring with Dynatrace through dashboards for production and release environments as well as analyzing performance and availability metrics
Connecting Elastic Stack (Elasticsearch, Logstash, Kibana) as a central platform for log collection, visualization, and troubleshooting
Defining logging standards and normalizing logs to unify the data base for security and operations teams
Integrating SonarQube for quality analysis into CI/CD processes and ensuring code quality and security standards
Developing a web service with Java and Spring Boot to connect different task tracking systems from external providers
Optimizing server parameters (worker processes, caching solutions such as mod_cache) to improve stability and performance
Supporting infrastructure hardening and integrating security measures into existing deployments
Connecting GitLab for version control
Technologies/ applications: Java EE, Groovy, Gradle, Shell, Docker, SQL, Kubernetes, SQS/SNS, PaaS, SaaS, OAuth2, GitLab, Apache, NGINX, Jenkins, Dynatrace, AWS, OracleDB, Artifactory, Jira, Kanban, Confluence

May 2016 - Oct 2018

2 years 6 months

System Administrator

Universitätsklinikum Eppendorf

Support of complex server applications and the underlying platforms
Support for operating test and production systems
Support and maintenance of middleware applications
Handling and resolving incidents and service requests in 2nd-level IT operations as part of the incident management process
Classification and analysis of root causes as part of problem management
Participation in the configuration and asset management process for configuration items
Monitoring and ensuring compliance with valid service level agreements and processes
Software deployment and updates of the application infrastructure with patches and security updates
Carrying out capacity and availability management in the application infrastructure environment
Technologies/applications: ECS, Shell, Linux, Oracle DB, Gradle, Groovy, Scrum, Jenkins, OpenShift, Confluence, Jira, OmniTracker

Oct 2015 - Apr 2016

7 months

Backend Developer

PONTON GmbH

Working in an agile team using Scrum
Designing several web services based on a cloud-native approach
Token-based authentication between services and the frontend
Applying a clean architecture pattern
Writing an automated UI snapshot test and a unit test with Gradle and Jenkins within a CI pipeline
Integrating automated Selenium tests into the pipeline
Implementing asynchronous communication between frontend and REST-based services
Evaluating and visualizing user data
Creating trends with the help of neural networks in Python and Anaconda
Technologies/applications: Kotlin, Ktor, Python, Anaconda, Selenium, JWT, Jenkins, Gradle, Scrum, GitLab, JUnit

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Aerospace and Defense, Healthcare, and Transportation.

Information Technology

Aerospace and Defense

Healthcare

Transportation

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Business Intelligence, and Quality Assurance.

Information Technology

Operations

Business Intelligence

Quality Assurance

Skills

Operating Systems

Linux/Unix
Windows 7 And Later

Programming Languages

Java
Kotlin
C#
Python

Scripting Languages

Shell
Javascript
Typescript

Frameworks

Java Spring
Java Ee
Junit

Development Environments

Eclipse
Intellij

Technologies

Oracledb
Mongodb
Gcp
Aws
Docker
Kubernetes
Mobx
Jest
Enzyme
Sass
Concourse Ci
Openshift
Anaconda
Gradle
Aws

Methods/ Tools

Jenkins
Openshift
Scrum
Sql-Developer
Jira
Confluence
Kanban

Languages

German

Native

Education

UHH

Bachelor of Science · Human-Computer-Interaction · Hamburg, Germany

Statistics

Experience

Total positions 7

Experience in Information Technology 3.5 y

Avg length 1 y 6 m

Longest experience 3 y 7 m

Expertise

Recent roles DevOps Engineer, Backend Developer, System Administrator

Main industries Information Technology, Aerospace and Defense, Healthcare

Main business areas Information Technology, Operations, Business Intelligence

Qualifications

Highest degree Bachelor

Profile

Member since

September 2025

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

Taher is based in Hamburg, Germany.

Taher speaks the following languages: German (Native).

Taher has at least 11 years of experience. During this time, Taher has worked in at least 3 different roles and for 7 different companies. The average length of individual experience is 2 years and 7 months. Note that Taher may not have shared all experience and actually has more experience.

Based on recent experience, Taher would be well-suited for roles such as: DevOps Engineer, Backend Developer, System Administrator.

Taher's most recent position is DevOps Engineer at Confidential.

In recent years, Taher has worked for Confidential, Bitmarck Technik GmbH, and Airbus S.A.S..

Taher is most experienced in industries like Aerospace and Defense, Information Technology, and Healthcare. Taher also has some experience in Transportation.

Taher is most experienced in business areas like Information Technology, Operations, and Business Intelligence. Taher also has some experience in Quality Assurance.

Taher has recently worked in industries like Aerospace and Defense and Information Technology.

Taher has recently worked in business areas like Information Technology and Operations.

Taher holds a Bachelor in Human-Computer-Interaction from UHH.

The availability of Taher needs to be confirmed.

Daily rate distribution

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<€640 €640-800 €800-960 €960-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

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Daily rate avg. 935 €

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Median rate 960 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.