Kubernetes Security Specialist | Go Software Engineer | DevSecOps
Aktualisiert am 25.09.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 12.01.2026
Verfügbar zu: 100%
davon vor Ort: 10%
Kubernetes
Go
IT-Security
Linux
Bourne-again-shell
AWS
Azure
PostgreSQL
MongoDB
Softwarearchitektur
Git
German
English

Einsatzorte

Einsatzorte

Leipzig (+50km) Berlin (+20km)
Deutschland
möglich

Projekte

Projekte

6 months
2025-03 - 2025-08

Designed and developed a Kubernetes Operator

Lead Software Engineer
Lead Software Engineer
  • Led and grew a high-performing team of four engineers, driving performance cycles, promotions, and career development while promoting a psychologically safe work environment.
  • Designed and developed a Kubernetes Operator for MongoDB, used in some of the world?s largest database deployments at petabyte scale and tens of millions of users.
  • Drove modernization of engineering processes, adapting practices to project needs and improving team delivery efficiency.
  • Collaborated cross-functionally with product management directors, design, and infrastructure teams to align technical work with roadmap priorities.
  • Contributed to hiring and onboarding initiatives, helping scale the team while ensuring fast ramp-up and integration.
  • Improved the security posture of MongoDB?s Kubernetes Operator by aligning implementations with industry best practices, advising enterprise customers on secure multi-cluster deployments, and strengthening transport-layer encryption mechanisms.
  • Accountable for vulnerability management and remediation timelines; assessed critical security issues and coordinated cross-functionally with internal security teams.
MongoDB Deutsche GmbH
Remote, Germany
1 year
2024-04 - 2025-03

Kubernetes infrastructure

Principal Software Engineer
Principal Software Engineer
  • Secured Kubernetes infrastructure by working on the StackRox Kubernetes security platform, enhancing the overall security posture.
  • Lead an initiative to productize Container Checkpoints using CRIU within OpenShift and StackRox. This effort involved influencing crossfunctional collaboration among engineering teams across various departments, engaging with Kubernetes upstream communities and product managers.
  • Designed and implemented an ETL-based integration to stream millions of security events from StackRox to Microsoft Sentinel in Azure, enabling advanced threat analysis and centralized security monitoring. See blog post.
  • Implemented automated compliance scanning and policy enforcement based on CIS Benchmarks and Kubernetes hardening guides to ensure regulatory readiness in critical environments.
  • Served as Technical Lead for the Installation and Cloud Service Team (9 engineers), overseeing on-boarding, planning, code reviews, design, conducting interviews and mentoring.
Red Hat GmbH
Remote, Germany
2 years 4 months
2022-01 - 2024-04

ACS cloud service instances

Senior Software Engineer
Senior Software Engineer
  • Led a team of 5 engineers to develop the ACS cloud service to MVP, supporting NA/EMEA/APAC regions and achieving a 99.95% SLA for Red Hat Summit 2023. The service now secures over 3,500 nodes and 95,000 cores with continuous growth.
  • Directed a team of 3 engineers to introduce declarative tenant configuration for hundreds of ACS cloud service instances. 
  • Coordinated with multiple engineering teams the project reduced deployment times from approximately 5 hours to a simple code review process of 5 minutes and lowering the error rate during administration tasks from 70% to 5%.
Red Hat GmbH
Remote, Germany
1 year 4 months
2020-10 - 2022-01

Designed and implemented the StackRox operator,

Software Engineer
Software Engineer
  • StackRox was acquired by Red Hat, 04/2021.
  • Designed and implemented the StackRox operator, pioneering the adoption of the Hybrid-Helm-Operator pattern. 
  • Enabled Red Hat to globally sell StackRox/ACS within four months post-acquisition, supporting all installation features like mTLS authentication. 
  • Currently, the operator runs on over 2,000 clusters, contributing to a $60M annual recurring revenue (ARR).
StackRox GmbH / Red Hat GmbH
Remote, Germany
2 years 2 months
2018-08 - 2020-09

Consulting Kubernetes operations

Software Architect
Software Architect
  • Consulting Kubernetes operations specialised in Germany?s federal agencies (police, identity management & intelligence).
  • Coordinated closely with IBM?s pre-sales and technical teams, ensuring seamless integration and deployment of solutions for government clients.
  • Conducted detailed product demonstrations, effectively communicating the technical and business benefits of our solutions to government officials and stakeholders.
  • Collaborated with IBM to demo solutions to German government agencies, focusing on winning public tender agreements.
  • Successfully secured multiple high-value public tenders, contributing to an annual recurring revenue (ARR) of $10M.
  • Led the hiring initiatives that successfully onboarded 14 new employees, contributing to the growth and capability of the team consulting team at SVA.
  • Peer-reviewed the BSI Grundschutzbaustein "SYS 1.6 Containerisierung", contributing to the evaluation and improvement of container security standards.
  • Built a Java-based consent service and analytics pipelines using Kafka, deploying to OpenShift to process and stream motor telemetry data from million?s of IoT devices to the cloud backend.
SVA System Vertrieb Alexander GmbH
Remote, Germany
4 years 3 months
2013-08 - 2017-10

various Projects - ecommerce

Software Engineer PHP Elixir JavaScript ...
Software Engineer




PHP Elixir JavaScript redis MySQL elasticsearch and Java
Various Companys
Münster, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 10 months
2013-09 - 2016-06

Apprenticeship Software Engineering

BWV Ahaus
BWV Ahaus
3 years
2010-08 - 2013-07

Computer Science

Advanced Techincal College Certification, Technische Schulen des Kreises Steinfurt
Advanced Techincal College Certification
Technische Schulen des Kreises Steinfurt

Position

Position

Kubernetes Security Expert & Go Software Engineer

Kompetenzen

Kompetenzen

Top-Skills

Kubernetes Go IT-Security Linux Bourne-again-shell AWS Azure PostgreSQL MongoDB Softwarearchitektur Git

Produkte / Standards / Erfahrungen / Methoden

Profile

Trusted advisor to organizations operating in regulated and high-scale environments. With a strong foundation as a Principal Engineer at Red Hat and MongoDB, I bring deep technical expertise in cloud-native security, Kubernetes, and large-scale architecture. I help enterprises bridge the gap between security needs, business priorities, and real-world delivery. My focus lies in building secure, resilient systems ? with clarity, pragmatism, and long-term impact at the core.


Skills:

  • Kubernetes
  • Go
  • Distributed Systems
  • Linux
  • IT-Security
  • Technical Leadership
  • Communication
  • Agile Project Management
  • Databases
  • CIS Kubernetes Benchmark
  • BSI Grundschutz
  • ISO27001

Einsatzorte

Einsatzorte

Leipzig (+50km) Berlin (+20km)
Deutschland
möglich

Projekte

Projekte

6 months
2025-03 - 2025-08

Designed and developed a Kubernetes Operator

Lead Software Engineer
Lead Software Engineer
  • Led and grew a high-performing team of four engineers, driving performance cycles, promotions, and career development while promoting a psychologically safe work environment.
  • Designed and developed a Kubernetes Operator for MongoDB, used in some of the world?s largest database deployments at petabyte scale and tens of millions of users.
  • Drove modernization of engineering processes, adapting practices to project needs and improving team delivery efficiency.
  • Collaborated cross-functionally with product management directors, design, and infrastructure teams to align technical work with roadmap priorities.
  • Contributed to hiring and onboarding initiatives, helping scale the team while ensuring fast ramp-up and integration.
  • Improved the security posture of MongoDB?s Kubernetes Operator by aligning implementations with industry best practices, advising enterprise customers on secure multi-cluster deployments, and strengthening transport-layer encryption mechanisms.
  • Accountable for vulnerability management and remediation timelines; assessed critical security issues and coordinated cross-functionally with internal security teams.
MongoDB Deutsche GmbH
Remote, Germany
1 year
2024-04 - 2025-03

Kubernetes infrastructure

Principal Software Engineer
Principal Software Engineer
  • Secured Kubernetes infrastructure by working on the StackRox Kubernetes security platform, enhancing the overall security posture.
  • Lead an initiative to productize Container Checkpoints using CRIU within OpenShift and StackRox. This effort involved influencing crossfunctional collaboration among engineering teams across various departments, engaging with Kubernetes upstream communities and product managers.
  • Designed and implemented an ETL-based integration to stream millions of security events from StackRox to Microsoft Sentinel in Azure, enabling advanced threat analysis and centralized security monitoring. See blog post.
  • Implemented automated compliance scanning and policy enforcement based on CIS Benchmarks and Kubernetes hardening guides to ensure regulatory readiness in critical environments.
  • Served as Technical Lead for the Installation and Cloud Service Team (9 engineers), overseeing on-boarding, planning, code reviews, design, conducting interviews and mentoring.
Red Hat GmbH
Remote, Germany
2 years 4 months
2022-01 - 2024-04

ACS cloud service instances

Senior Software Engineer
Senior Software Engineer
  • Led a team of 5 engineers to develop the ACS cloud service to MVP, supporting NA/EMEA/APAC regions and achieving a 99.95% SLA for Red Hat Summit 2023. The service now secures over 3,500 nodes and 95,000 cores with continuous growth.
  • Directed a team of 3 engineers to introduce declarative tenant configuration for hundreds of ACS cloud service instances. 
  • Coordinated with multiple engineering teams the project reduced deployment times from approximately 5 hours to a simple code review process of 5 minutes and lowering the error rate during administration tasks from 70% to 5%.
Red Hat GmbH
Remote, Germany
1 year 4 months
2020-10 - 2022-01

Designed and implemented the StackRox operator,

Software Engineer
Software Engineer
  • StackRox was acquired by Red Hat, 04/2021.
  • Designed and implemented the StackRox operator, pioneering the adoption of the Hybrid-Helm-Operator pattern. 
  • Enabled Red Hat to globally sell StackRox/ACS within four months post-acquisition, supporting all installation features like mTLS authentication. 
  • Currently, the operator runs on over 2,000 clusters, contributing to a $60M annual recurring revenue (ARR).
StackRox GmbH / Red Hat GmbH
Remote, Germany
2 years 2 months
2018-08 - 2020-09

Consulting Kubernetes operations

Software Architect
Software Architect
  • Consulting Kubernetes operations specialised in Germany?s federal agencies (police, identity management & intelligence).
  • Coordinated closely with IBM?s pre-sales and technical teams, ensuring seamless integration and deployment of solutions for government clients.
  • Conducted detailed product demonstrations, effectively communicating the technical and business benefits of our solutions to government officials and stakeholders.
  • Collaborated with IBM to demo solutions to German government agencies, focusing on winning public tender agreements.
  • Successfully secured multiple high-value public tenders, contributing to an annual recurring revenue (ARR) of $10M.
  • Led the hiring initiatives that successfully onboarded 14 new employees, contributing to the growth and capability of the team consulting team at SVA.
  • Peer-reviewed the BSI Grundschutzbaustein "SYS 1.6 Containerisierung", contributing to the evaluation and improvement of container security standards.
  • Built a Java-based consent service and analytics pipelines using Kafka, deploying to OpenShift to process and stream motor telemetry data from million?s of IoT devices to the cloud backend.
SVA System Vertrieb Alexander GmbH
Remote, Germany
4 years 3 months
2013-08 - 2017-10

various Projects - ecommerce

Software Engineer PHP Elixir JavaScript ...
Software Engineer




PHP Elixir JavaScript redis MySQL elasticsearch and Java
Various Companys
Münster, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 10 months
2013-09 - 2016-06

Apprenticeship Software Engineering

BWV Ahaus
BWV Ahaus
3 years
2010-08 - 2013-07

Computer Science

Advanced Techincal College Certification, Technische Schulen des Kreises Steinfurt
Advanced Techincal College Certification
Technische Schulen des Kreises Steinfurt

Position

Position

Kubernetes Security Expert & Go Software Engineer

Kompetenzen

Kompetenzen

Top-Skills

Kubernetes Go IT-Security Linux Bourne-again-shell AWS Azure PostgreSQL MongoDB Softwarearchitektur Git

Produkte / Standards / Erfahrungen / Methoden

Profile

Trusted advisor to organizations operating in regulated and high-scale environments. With a strong foundation as a Principal Engineer at Red Hat and MongoDB, I bring deep technical expertise in cloud-native security, Kubernetes, and large-scale architecture. I help enterprises bridge the gap between security needs, business priorities, and real-world delivery. My focus lies in building secure, resilient systems ? with clarity, pragmatism, and long-term impact at the core.


Skills:

  • Kubernetes
  • Go
  • Distributed Systems
  • Linux
  • IT-Security
  • Technical Leadership
  • Communication
  • Agile Project Management
  • Databases
  • CIS Kubernetes Benchmark
  • BSI Grundschutz
  • ISO27001

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