Carsten-Patrick D.-Senior IT Security Specialist – Patch Management & Audit
Check rate
Experience
Senior Specialist
DB Systel GmbH
- Patch management and system hardening for Linux and Windows via AWS Systems Manager, including Maintenance Windows; image pipelines (AWS Image Builder), Ansible, and PowerShell DSC
- IT security & compliance: IAM/KMS/MFA, secrets management, Policy-as-Code (Checkov, tfsec, cfn-nag), AWS Config, CloudTrail, and Security Hub; infrastructure security audits, internal audits, penetration tests, and incident response exercises
- Analysis of cloud security reports and implementation of preventive measures; automated security and compliance tests; backup strategies using snapshots and S3 Glacier
- Administration of multiple AWS accounts (VPCs) with up to 2.500 Linux and Windows servers and hybrid networks
- Automation using Terraform, OpenTofu, CloudFormation, Ansible, and PowerShell DSC; CI/CD with GitLab CI and GitHub Actions
- Planning of rollouts, upgrades, and lifecycle management for key components; coordination with DevOps, security, and development teams; preparation of concepts and decision papers
Founder & Managing Director
Medical Assistance & Logistics UG
- Built a successful start-up that continues to thrive, optimizing patient transport using a new IT system
Freelance Business Consultant & Project Manager
flow³
- Microsoft 365 implementations, administration, and rollouts for mid-sized clients; Power BI projects for Deutsche Bahn (approx. 40 gateway servers, 10.000+ users), Bosch, Lufthansa, and Daimler
- Development of Power Platform solutions and setup of a QM system based on M365; large-scale logistics projects, including in the healthcare sector
Adjunct Lecturer
Rheinische Fachhochschule Köln
Teaching assignments in project management, computer science, BGB AT/BT, and contract law; first teaching assignments starting in 2007
Consultant to Member of the Executive Management Team
Xpuls business solutions gmbh
- Career progression: Consultant, Manager, Senior Manager, Account Manager
- From 2012, member of the executive management team and branch manager in Munich
- From 2017, Business Development Manager & Head of Industrie 4.0
- Head of the Xpuls Academy
- Worldwide consulting projects in the automotive, aviation, and IT industries: assembly and logistics planning, digital factory, supplier management, SAP rollouts; project management roles for Daimler, BMW, Audi, Mercedes-AMG, and VW/Lamborghini (Project Huracán)
Jun. Consultant
McKinsey & Company
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Automotive, Manufacturing, Education, Aerospace and Defense, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Logistics, Legal, Procurement, and Production.
Summary
Senior IT specialist focused on secure cloud operations: since 09/2022, administration of multiple AWS accounts with up to 2.500 servers at DB Systel; patch management and system hardening for Linux and Windows using AWS Systems Manager, security automation, and audit support. As a business lawyer, consultant, and certified project manager (GPM, PMP analog PMI, Scrum.org), I manage processes across teams and present compliance evidence and management reports in a clear way.
Skills
- Security: Aws Config, Cloudtrail, Security Hub, Hashicorp Vault, Secrets Manager, Checkov, Tfsec, Waf/Acm
- Automation: Ansible, Powershell Dsc, Aws Systems Manager, Aws Image Builder
- Operating Systems: Linux, Windows Server
- Cloud (Aws): Ec2, 53, Vpc, Iam/Kms, Dynamodb, Cloudwatch, Route 53, Aws Organizations, Transit Gateway
- Infrastructure As Code: Terraform, Opentofu, Cloudformation
- Ci/Cd: Github Actions, Gitlab Ci, Git (Gitflow, Trunk)
- Containers: Docker, Ecs, Eks
- Microsoft: M365, Azure Ad, Power Bi, Power Apps, Power Automate, Sharepoint
- Enterprise: Sap Implementations, Erp Integration, Finops
- Strengths: Team Player & Communication; Analytical And Structured; Quick To Grasp New Concepts; International Project Experience (Including Usa, China, Brasil)
Languages
Education
Rheinische Fachhochschule Köln
Diplom-Wirtschaftsjurist · Business & Law · Cologne, Germany
Städtisches Gymnasium Köln-Deutz
Abitur · Cologne, Germany
Anglia Polytechnic University
Master of Laws · Mergers & Acquisitions · Cambridge, United Kingdom
Certifications & licenses
GPM
Interner Auditor
Scrum.org
Scrum.org
Scrum.org
Scrum.org
Scrum.org
PSPO III
Scrum.org
QM-Ausbildung
Scrum.org
Train the Trainer
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Carsten-Patrick is based in Cologne, Germany.
Carsten-Patrick speaks the following languages: German (Native), English (Advanced).
Carsten-Patrick has at least 26 years of experience. During this time, Carsten-Patrick has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 4 years and 4 months. Note that Carsten-Patrick may not have shared all experience and actually has more experience.
Based on recent experience, Carsten-Patrick would be well-suited for roles such as: Senior Specialist, Founder & Managing Director, Freelance Business Consultant & Project Manager.
Carsten-Patrick's most recent position is Senior Specialist at DB Systel GmbH.
In recent years, Carsten-Patrick has worked for DB Systel GmbH, flow³, and Rheinische Fachhochschule Köln.
Carsten-Patrick is most experienced in industries like Information Technology, Automotive, and Manufacturing. Carsten-Patrick also has some experience in Education, Aerospace and Defense, and Healthcare.
Carsten-Patrick is most experienced in business areas like Information Technology, Project Management, and Logistics. Carsten-Patrick also has some experience in Legal, Procurement, and Production.
Carsten-Patrick has recently worked in industries like Education, Information Technology, and Automotive.
Carsten-Patrick has recently worked in business areas like Information Technology, Project Management, and Legal.
Carsten-Patrick holds a Master in Business & Law from Rheinische Fachhochschule Köln and a Master in Mergers & Acquisitions from Anglia Polytechnic University.
Carsten-Patrick has 15 certificates. Among them, these include: GPM, Interner Auditor, and Microsoft Certified Trainer (MCT).
Carsten-Patrick is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 3 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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