06/20/2023 updated
100 % available
Lead Cloud DevOps Architect
Warschau, Poland
Germany +2
info: Germany, Austria, Switzerland
Java (Programming Language)Acceptance TestingActive DirectoryApplication Programming Interfaces (APIs)Amazon Web ServicesAmazon S3AS2Atlassian JiraAuthenticationsUnit TestingMicrosoft AzureBackup DevicesBash ShellC++ (Programming Language)Ubuntu (Operating System)
AS2, user acceptance testing, user acceptance, Active Directory, AWS S3, AWS, Ansible, API, Bamboo, Azure AD, backups, Bash, BIG-IP, Bitbucket, C/C++, Cloud, cloud services, cloud solutions, complex network, CMDB, CI/CD, data mining, Data Communications, database, Databases, Debian, DevOps, Docker, Elasticsearch, XSLT, file transfer, FTP, SFTP, Firewall, GitHub, GitLab CI, Google Calendar, HP Quality Center, IDoc, Information Technology, Jira, JSON, Java, JMS, key management, Kibana, Kubernetes, Logstash, Azure, mobile applications, servers, OAuth, Oracle, PL/SQL, payment gateway, Pega, PeopleSoft CRM, Performance tuning, Ping, PostgreSQL, Programming languages, Python code, Python, Red Hat Enterprise Linux, RHEL, REST APIs, RESTful web services, rule engine, SAP, BW, SLES, Business Objects, Serverless, Design documents, Systems Analyst, Terraform, Ubuntu, Unit testing, shell, user management, authentication, webMethods, PowerShell, Workday
Experience
Professional experience10+ years
Freelancer since2021
Languages
GermanGoodEnglishFluentFrenchBasic knowledgeSpanishGood
Project history
Client: Daimler Truck Financial Services GmbH
● Played a key technical role in delivering a BaFin-compliant Azure Landing Zone with five applications.
● Prepared a Cloud Strategy encompassing cloud services, toolchain, delivery pipelines and operating model.
● Served as a Tech Lead for a team of four cloud engineers providing guidance and mentoring.
● Delivered infrastructure as code in Terraform and GitHub Actions pipelines for a payment gateway running on Azure Kubernetes Service (AKS) and PostgreSQL, leveraging Helm.
● Resolved numerous issues with Azure AD, Active Directory, Azure Firewall, ExpressRoute, Defender for Cloud and other cloud services.
● Played a key technical role in delivering a BaFin-compliant Azure Landing Zone with five applications.
● Prepared a Cloud Strategy encompassing cloud services, toolchain, delivery pipelines and operating model.
● Served as a Tech Lead for a team of four cloud engineers providing guidance and mentoring.
● Delivered infrastructure as code in Terraform and GitHub Actions pipelines for a payment gateway running on Azure Kubernetes Service (AKS) and PostgreSQL, leveraging Helm.
● Resolved numerous issues with Azure AD, Active Directory, Azure Firewall, ExpressRoute, Defender for Cloud and other cloud services.
Client: Roche
Managing the development work of up to two developers using
Kanban methodology in Jira.
Implemented Grafana monitoring with metrics derived from logs in
ELK (Elasticsearch, Logstash, Kibana).
Wrote Python code which automated configuration and user
management via REST APIs.
Orchestrated CMDB report generation using Ansible and GitLab
CI/CD.
Developed Logstash filters for Sterling B2B Integrator logs to be
shipped to Elasticsearch and Kibana.
Created CI/CD pipeline using Bitbucket and Bamboo for property file
deployment.
Created Ansible roles and playbooks for cluster restarts, key
management, backups and removal of archived logs.
Developed integrations with cloud solutions such as Workday, Pega
iBPMS as well as custom applications hosted in AWS.
Installed a proof-of-concept environment of Sterling B2B Integrator
using Docker containers.
Created a proof-of-concept integration between Sterling B2B
Integrator and Solace JMS queues and topics.
Pinpointed complex network and performance issues. For example an
issue with F5 BIG-IP LTM by comparing traffic to different AWS
regions with regards to latency, retransmissions and resets.
Identified major security vulnerabilities in Ping Identity PingAccess
solution before it was rolled out.
Identified performance issues with Centrify agent on Red Hat
Enterprise Linux servers.
Resolved other major incidents and problems while coordinating with
support and infrastructure teams.
Managing the development work of up to two developers using
Kanban methodology in Jira.
Implemented Grafana monitoring with metrics derived from logs in
ELK (Elasticsearch, Logstash, Kibana).
Wrote Python code which automated configuration and user
management via REST APIs.
Orchestrated CMDB report generation using Ansible and GitLab
CI/CD.
Developed Logstash filters for Sterling B2B Integrator logs to be
shipped to Elasticsearch and Kibana.
Created CI/CD pipeline using Bitbucket and Bamboo for property file
deployment.
Created Ansible roles and playbooks for cluster restarts, key
management, backups and removal of archived logs.
Developed integrations with cloud solutions such as Workday, Pega
iBPMS as well as custom applications hosted in AWS.
Installed a proof-of-concept environment of Sterling B2B Integrator
using Docker containers.
Created a proof-of-concept integration between Sterling B2B
Integrator and Solace JMS queues and topics.
Pinpointed complex network and performance issues. For example an
issue with F5 BIG-IP LTM by comparing traffic to different AWS
regions with regards to latency, retransmissions and resets.
Identified major security vulnerabilities in Ping Identity PingAccess
solution before it was rolled out.
Identified performance issues with Centrify agent on Red Hat
Enterprise Linux servers.
Resolved other major incidents and problems while coordinating with
support and infrastructure teams.
Client: Roche
Developed webMethods services for Google API integration (OAuth
authentication, JSON, XSLT mapping).
Developed webMethods services for synchronizing an internal
conference room database with Google Calendar API.
Created RESTful web services in webMethods for mobile
applications.
webMethods 8.0 to 9.5 migration.
Unit testing of services with WmUnit package.
Gentran Integration Suite 4.2 to Sterling B2B Integrator 5.2
migration.
Developing, modifying and configuring MFT (Managed file transfer)
interfaces in Sterling B2B Integrator using FTP, SFTP, AS2, SAP RFC,
AWS S3 and other protocols.
Developed SAP IDoc to cXML translation mapping.
Performance tuning.
Developed webMethods services for Google API integration (OAuth
authentication, JSON, XSLT mapping).
Developed webMethods services for synchronizing an internal
conference room database with Google Calendar API.
Created RESTful web services in webMethods for mobile
applications.
webMethods 8.0 to 9.5 migration.
Unit testing of services with WmUnit package.
Gentran Integration Suite 4.2 to Sterling B2B Integrator 5.2
migration.
Developing, modifying and configuring MFT (Managed file transfer)
interfaces in Sterling B2B Integrator using FTP, SFTP, AS2, SAP RFC,
AWS S3 and other protocols.
Developed SAP IDoc to cXML translation mapping.
Performance tuning.