Senior Consultant - Cloud Infrastructure | Leadership, Architecture, SRE, AWS, K8s, Migrations, Incident Management

4/2020 – 3/2024

Managed a Global SRE team of 7 to 10 talented SRE engineers whose focus was constant
innovation and development of the SaaS platform in AWS and Private Cloud while keeping it stable,
balancing costs and performance, and constantly striving to reduce complexity in the systems we
onboarded.
Reduced operational costs by 15% by optimizing cloud resource consumption across all projects.
Managed a portfolio of over 350 VMs in public and private cloud, ensuring high availability and
performance.
Performed a critical role in executing the strategic technical visions by leading the development of
the EQS Private Cloud platform and unifying legacy infrastructure under AWS infrastructure.
Collaborated with stakeholders across all Engineering areas, Procurement, IT Security, and
Certifications (ISMS) departments to improve processes and procedures across the organization.
Implemented the SRE On-Call concept, which covered all infrastructure-related systems. Leveraged
New Relic Observability and OpsGenie to implement a proper alert system and escalation.
Responsible for ensuring that all high-impact infrastructure incidents were resolved within the
required SLAs and that all updates were communicated to stakeholders on time.
Demonstrated a hands-on approach to leadership and filling in gaps during critical customer
outages by troubleshooting with the team, proactively informing the stakeholders about incident
evolution, leading the blameless postmortems, and ensuring the remediations were implemented
as planned.
Managed a 3+ million infrastructure budget, supervised by the CTO and the CFO.
Responsible for all aspects of people management (Hiring, mentoring, setting goals, Developing
plans, organizational integration, conflict management, and performance review) to ensure highperformance
team growth.
Led the migrations of several products to AWS to unify the global infrastructure and reduce total
costs of ownership on infrastructure.
Define the required SLOs and SLIs to meet the business SLAs
Ensured a High Available architecture is implemented and potential Single Points of Failure are
mitigated
Documented a multi-region Disaster Recovery Concept for AWS infrastructure
Provided infrastructure architecture expertise (AWS, K8S, Deployment, Migrations) across
Engineering.

Amazon Web Services (AWS), Ansible, Docker, Incident Management, Kontinuierliche Integration (CI), Kubernetes, Migration

7/2017 – 3/2020

was responsible for building and maintaining AWS infrastructure to support
development teams and their efforts toward Continuous Integration & Development for microservices
architecture. I was looking for new tools to enhance the development process and played an active role
in the technical recruitment of new DevOps Engineers.
Removed infrastructure Single Points Of Failure to ensure a High Available infrastructure.

Stack:
AWS: VPC, ALB, EC2, EBS, EFS, IAM, S3, CloudWatch, CloudTrail, WAF, ACM
Ansible, Terraform, Jenkins, GitLab, Artifactory, Docker,
New Relic, ELK

Amazon Web Services (AWS), Ansible, Docker, elasticSearch, Jenkins

12/2012 – 6/2017

As an Engineering Manager at CaptchaAd GmbH, I led a team of 5 talented engineers in building a
scalable advertising platform capable of handling high-traffic requests. I owned the entire
development process, from requirements gathering to deployment. My leadership skills ensured the
timely delivery of a top-notch product that met the requirements and budget.

Stack: PHP, OpenX, jQuery, Jenkins, MySQL, MongoDB, Redis, ELK Stack, AWS Infrastructure (EC2, ALB,
CloudWatch, CloudFront, Route53, WAF)

mySQL, Jenkins, Amazon Web Services (AWS), CakePHP, jQuery, PHP