Stefan Reimer

Offering more than 15 years of IT Network, Cloud and security experience to help you achieve your goals.

In theory, theory and practice are the same. In practice, they're not.

Services and Experience


  • Security / Account review following industry best practices, gap analysis, recommendations
  • Forensic analysis of potential security incidents to provide remediation / recommendations
  • Security scan / penetration testing
  • OS hardening ( Linux, BSD )


  • Design and implement for high availability and scalability
  • Architect, review and prepare for HIPPA or PCI Compliance
  • Network Design, Data Center connectivity, eg. AWS DirectConnect

Cloud Migration

  • planning
  • size-ing and cost planning


  • design and implement networking and access controls, IDS, IPS, RemoteAccess ( VPN )
  • Software defined networking (SDN)


  • infrastructure automation by using tools like AWS CloudFormation or HashiCorp Terraform
  • configuration management / orchestration using tools like Salt, Puppet, etc.
  • secrets management from source code design to storage and deployment using tools like Vault, AWS KMS, etc
  • load testing eg. web stress testing, JVM tuning, etc.


  • provide guidance on all aspects of the pipeline, from source, over testing to deployment
  • Jenkins, GitHib incl. TravisCI, BitBucket, CodeShip, AWS-CodeDeploy, AWS-ElasticBeanStalk

Monitoring / Logging

  • Central logging by integrating logging providers eg. SumoLogic
  • Design and implement custom solution like ElasticSearch, Kibana, Fluentd


  • Custom development eg. micro services using Python, Flask, PostgresDB
  • AWS Lambda



  • AWS, GCP, OpenStack


  • Kubernetes / Docker
  • ElasticSearch / MongoDB
  • Apache / Nginx / HAProxy
  • PostgresDB, MySQL

Programming Languages

  • Python, Bash, Perl, Php, C

pub   4096R/EB212688 2011-11-14
Key fingerprint = 3047 CD58 49F7 0D9B 68DD  A748 D4D4 E099 EB21 2688
uid   Stefan Reimer <it@startux.de>
uid   Stefan Reimer <me@stefanreimer.de>