#1
What I'm doing
I design and implement cloud-based solutions that optimize performance, increase efficiency, and drive business success.
AWS cloud computing
As an AWS Cloud Computing specialist, I excel in architecting, scaling, and managing state-of-the-art AWS infrastructures. My focus lies in achieving optimal performance, cost efficiency, and seamless adaptability to meet the evolving needs of businesses in a dynamic digital landscape.
IaaC
Leveraging the Infrastructure as Code (IaaC) approach, I streamline the provisioning and management of resources, fostering consistency, maintainability, and collaboration across teams. My expertise in IaaC technologies empowers organizations to keep pace with the rapidly changing IT environment.
Monitoring
I implement comprehensive full-stack monitoring solutions that encompass infrastructure, code execution, and end-to-end user experience. My commitment to continuous improvement and proactive issue resolution ensures system stability, peak performance, and an outstanding end-user experience.
Test Automation
With a strong background in test automation, I develop and maintain cutting-edge automated test suites that effectively address regression testing and proactive performance monitoring. By prioritizing product quality and reliability, I help organizations enhance their software delivery processes and user satisfaction.
#2
Technologies & Tools
I've Mastered
…throughout my diverse IT career and educational journey.
Authentication Protocols
• 2FA
• Kerberos over TLS
• LDAPS
• Legacy (PAP, CHAP, MS-CHAP, MSNT)
• Radius
• RSA-ACE SecurID
Automation/CICD
• Ansible
• ArgoCD
• AWS ECR
• CDK (Python)
• Github Actions
• GitLab CI
• Jenkins
• Terraform
Container
• Docker (AWS Fargate, AWS ECS)
• Kubernetes (AWS EKS)
Databases
• AWS: RDS (Aurora), DynamoDB
• Cassandra, DataStax Enterprise
• Microsoft SQL Server
• MySQL
• PostgreSQL
Linux
• Arch Linux
• Alpine Linux (Docker)
• Amazon Linux / Cent OS / Red Hat Enterprise Server
• Debian / Ubuntu / Trisquel
• Kali Linux
• Qubes OS
Messaging/Streaming
• AWS: ActiveMQ, Kinesis, SQS
• Kafka
• RabbitMQ
Monitoring / Log Processing
• AWS Config, AWS CloudWatch, AWS Security Hub
• Elasticsearch, Logstash, Kibana
• Grafana/Prometheus
• Nagios
• NewRelic
Network
• Dynamic Routing (OSPF, RIP, BGP)
• IEEE 802.x Common Standards (Link Aggregation, VLAN, etc.)
• Planning of Network Infrastructure
• SIP
• Subnetting, VLAN, Switch Configuration, Routing
Programming and Scripting Languages
• Bash
• HTML/CSS
• Java*
• JavaScript
• JSON, XML, YAML
• Pascal*
• PHP*
• Python
• SQL
*not active anymore since a while
Storage
• AWS: EFS, FSx, S3
• ISCSI
• NFS
• SMB
Security
• AWS: CloudTrail, Guard Duty, IAM, Inspector, Macie, KMS, Shield, SSO
• Certificate Authority / Public-Key-Infrastructure / Certificates (SSL/TLS, HTTPS)
• Email encryption, GPG
• Filesystem encryption, LUKS TPM
• Firewalls & IPS/IDS (Barracuda CloudGen FW, F5 WAF, Iptables, Snort)
• GeoIP filtering
• NAC, NAP, EAP
• OpenSSH PKA
• SELinux
VPN Protocols
• IPSec IKEv1, IKEv2 (C2S, S2S, Xauth, CA, etc.)
• L2TP/IPSec
• TINA
Webservers/Application Server
• Apache HTTP Server, Tomcat
• IIS
• NGINX
• JBOSS / WildFly
Detail-oriented IT professional with overall 12 years experience
#3
Experience
Six years of experience in a Firewall and Network Security, four years in DevOps and Cloud Engineering, two years in IT-Services and Web-Development.
Professional career
A high-level overview of my IT career,
tracing its beginnings in 2010 to the present.
Technical Support Agent
Barracuda Networks AG
1st – 3rd Level-Support of customers worldwide.
Network analysis and troubleshooting.
Processing of complex support requests.
Solved over 2200 Technical Support Cases.
Software QA Engineer
Barracuda Networks AG
Plan, design, create and execute white-box, black-box and integration test scripts and test plans.
Run acceptance tests, verify defects and imbalances reported by outside groups, and validate bug fixes.
Self-employed
Crea Dupe e.U.
Filmproduction.
Self-employed
B.START e.U.
Film & Animation Video Production.
IT-Services (Infrastructure, Networking, O365 Rollouts).
Web development (Full-stack, JS, PHP, Wordpress plugin development).
Infrastructure & Communication Specialist
SWARCO AG
IT-Infrastructure Projects coordination and steering, ensuring stable operation in the data-center.
Administration of MS Sharepoint, MS WSUS and Norton AV Enterprise.
Lead Cloud Engineer
INNIO Jenbacher GmbH & CO OG
Design, maintain and enhance the infrastructure including the security layers for a scaled and highly available cloud-based IoT platform hosted on Amazon Web Services (AWS) using cutting edge infrastructure-as-code software tools.
Define monitoring alarms and standard-operating procedures (counter measures).
Lead continuous improvements on cloud infrastructure and monitoring system.
Operate cloud infrastructure as a Level 3 support engineer, guide the 24/7 Level 1 and Level 2 support teams.
Lead the research and evaluation of market trends in cloud technologies to shape the technology roadmap.
DevOps Cloud Engineer
Ventx GmbH
CI / CD implementations.
Creation of infrastructure as code.
Consulting of projects in the field of IT infrastructure.
