Martin Bausewein - IT Architect

Q: Where is Martin based?

Martin is based in Schwetzingen, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Martin speak?

Martin speaks the following languages: German (Native), English (Advanced), French (Elementary) .

Q: How many years of experience does Martin have?

Martin has at least 26 years of experience. During this time, Martin has worked in at least 4 different roles and for 10 different companies . The average length of individual experience is 3 years and 7 months . Note that Martin may not have shared all experience and actually has more experience.

Q: What is Martin's latest experience?

Martin's most recent position is IT Architect at NDA Defense Industry .

Q: What companies has Martin worked for in recent years?

In recent years, Martin has worked for NDA Defense Industry , Daimler Truck AG , Bilfinger SE , Planta GmbH , and cunova GmbH .

Q: Which industries is Martin most experienced in?

Martin is most experienced in industries like Information Technology , Automotive , and Government and Administration . Martin also has some experience in Insurance and Aerospace and Defense .

Q: Which business areas is Martin most experienced in?

Martin is most experienced in business areas like Information Technology , Operations , and Project Management . Martin also has some experience in Business Intelligence .

Q: Which industries has Martin worked in recently?

Martin has recently worked in industries like Information Technology , Automotive , and Government and Administration .

Q: Which business areas has Martin worked in recently?

Martin has recently worked in business areas like Information Technology , Operations , and Project Management .

Recommended expert

Schwetzingen, Germany

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Experience

Jun 2025 - Aug 2025

3 months

Switzerland

IT Architect

NDA Defense Industry

Assessment of a modernization concept for IT infrastructures including client workstations
Development of an alternative concept focusing on data sovereignty and reducing provider dependencies
Selection of suitable alternative open-source products and solutions
Design of a proof of concept approach for incremental evaluation of the options

Nov 2024 - Dec 2024

2 months

Leinfelden-Echterdingen, Germany

IT Architect

Daimler Truck AG

Setup of an application stack in a VPC (IBM Cloud) for complete separation from Mercedes-Benz infrastructures
Setup and migration of VPN connections, including network and firewall configuration
Rebuild of RHEL8 VMs with business applications (including nginx, traefik proxy for OIDC) and Oracle database (multi-stage)
Optimization and hardening of components: hardening of all components; monitoring stack with notifications (Telegraf, InfluxDB, Grafana); IDS/IPS stacks (firewall, fail2ban, ClamAV, Lynis); COS backup

Jun 2024 - Sep 2024

4 months

Mannheim, Germany

Transition Manager

Bilfinger SE

Interim support for the project team in global WAN/LAN outsourcing for around 700 sites
Responsibility for managing service providers during WAN/LAN discovery and planning transitions and migrations in WAN, LAN, service management, and NOC

Apr 2024 - Present

2 years 3 months

Karlsruhe, Germany

Project Manager

Planta GmbH

Consulting, analysis, and design for customizing standard planning systems to individual customer requirements
Successful implementation of multi-project and portfolio management systems in both traditional and agile environments
Lead the introduction of a hybrid planning system for the Baden-Württemberg police
Oversaw a proof of concept (PoC) to evaluate planning systems for the Ministry of the Interior Baden-Württemberg

Jul 2022 - Dec 2023

1 year 6 months

Osnabrück, Germany

Transition Manager

cunova GmbH

Lead architect for non-SAP applications and security in the context of a carve-out
Analysis of on-premises IT & OT legacy systems, design of the future hybrid IT landscape, planning the migration, and managing the service provider for building the hybrid solution
Assessment and advisory on implementing findings from a security audit of the divesting company and development of an IT security concept
Selection and management of IT service providers, establishment of an ITSM framework, and technical leadership of the migration
Support and advisory during the transition to operational management

Oct 2021 - Dec 2022

1 year 3 months

Leinfelden-Echterdingen, Germany

IT Architect

Daimler AG / Daimler Truck AG

Set up a multi-stage VPC environment as part of the business unit separation
Managed the cloud risk process and implemented security requirements
Planned and led the build of the VPC, including migration, testing, and data cleanup
Implemented an open-source monitoring and notification stack with integration of application and operational services; backup and disaster recovery plans; system hardening and monitoring; VPN connectivity; VPC network architecture including zones, policies, and DNS; integrated OIDC for the application
Managed the environment in the Application Management Service (AMS)

Sep 2021 - Apr 2022

8 months

Germany

IT Architect

NDA Insurance

Designed an archive system for searching customer and insurance data after SAP shutdown
Defined PoC reports for research
Created data model including the archive system's roles and permissions concept
Developed an operating model and built a container-based PoC (Docker Compose stack) with PostgreSQL database; admin container for data import; Tomcat application server with automatic certificate generation; BIRT engine with predefined MVP reports

Mar 2021 - Apr 2021

2 months

Germany

IT Architect

NDA Automotive Supplier

Advised and performed feasibility analysis for a data crawler to consolidate data from various internal and external systems

Oct 2004 - Jun 2022

17 years 9 months

Stuttgart, Germany

IT Architect

Mercedes Benz / Daimler Truck / Daimler AG

Developed a migration concept for a system landscape (Windows, RHEL, Kubernetes) from IBM Cloud to AWS
Designed modernization strategies for legacy applications to run on Kubernetes, improving security and cloud maturity by introducing a service mesh
Built a VPC with BYOK in IBM Cloud for rehosting legacy applications, including basic configuration, system hardening, monitoring plan, and coordination of the installation team
Set up cross-environment monitoring with Prometheus & Grafana for all components in the VPC stages (Kubernetes tenant, Windows and Linux VMs) with dedicated security audits, certificate and backup checks; central log stack with Elastic Stack (Elasticsearch, Kibana, Logstash)
Performed hardening measures for Linux systems (RHEL, SuSE, Ubuntu) and specified changes for custom developments
Designed and implemented migrations from on-premise, private and off-premise clouds to IBM Cloud VPC
Ran PoC projects to evaluate modernization options for application architectures from legacy to container-based operations
Supported security audits, information classification, and cloud risk processes, deriving technical requirements and solutions
Led the vendor switch project for a media archive and prepared to remove dependence on a supplier: process analysis and redesign; interface redesign; concept for decoupling systems and migrating data; managing vendors and the internal project team
Responsible for AMS operations of distributed applications on Linux and Windows servers
Created plans for on-premise system and data migrations with minimal downtime
Managed requirements, releases, and testing for the system landscape in the aftersales area

Sep 2000 - Present

25 years 10 months

Root server operations

Bausewein IT GmbH

Operated and administered Linux servers (Debian, Ubuntu, RHEL) with focus on security, performance, and stability
Set up and managed various server services: mail service (postfix, dovecot, Spamassassin, rspamd, clamAV); databases (PostgreSQL, MariaDB/MySQL, redis, InfluxDB); ticketing (Mantis BT); IoT stack (InfluxDB, MQTT, Grafana); monitoring (Telegraf, InfluxDB, Grafana); security (lynis, rkhunter, clamAV, fail2ban, ufw, crowdsec); virtualization (Proxmox, KVM, Qemu, Docker, Kubernetes)
Continuously evaluated system hardening and security concepts

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Automotive, Government and Administration, and Insurance.

Information Technology

Automotive

Government and Administration

Insurance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Project Management, and Business Intelligence.

Information Technology

Operations

Project Management

Business Intelligence

Summary

With many years of broad IT experience – including over 15 years in the enterprise environment – I offer companies strategic and operational excellence in designing, securing, and transforming complex IT landscapes.

I combine deep architecture and technology know-how with project experience in international corporations and mid-sized businesses. My focus is on IT strategy, cloud/legacy architecture, IT security, and transition management, especially in migrations, carve-outs and infrastructure modernization. I stand for analytical thinking, goal-oriented approaches, a pragmatic working style, and audience-appropriate communication.

Skills

It Strategy & Enterprise Architecture (Ibm Cloud, Aws, Hybrid Clouds, Vpc, Byok)
It Architecture & Infrastructure Modernization
Transition & Migration Management, Carve-Outs
Planning & Management Of Complex Migrations (Cloud / Hybrid / Legacy)
It Security, Hardening, Audit Support (Infrastructure & Processes)
Open Source Stack (Monitoring, Mail, Security, Databases)
Provider Management & Itsm Frameworks
International Project Experience In Corporate Structures
Project Management & Technical Consulting

Languages

German

Native

English

Advanced

French

Elementary

Statistics

Experience

Total positions 10

Experience in Information Technology 26 y

Avg length 4 y 11 m

Longest experience 25 y 9 m

Global Experience

Countries worked in 2 (Germany, Switzerland)

Primary country Germany

Expertise

Recent roles IT Architect, Transition Manager, Project Manager

Main industries Information Technology, Automotive, Government and Administration

Main business areas Information Technology, Operations, Project Management

Profile

Created

February 2025

Last Update

June 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Martin based?

Martin is based in Schwetzingen, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Martin speak?

Martin speaks the following languages: German (Native), English (Advanced), French (Elementary).

How many years of experience does Martin have?

Martin has at least 26 years of experience. During this time, Martin has worked in at least 4 different roles and for 10 different companies. The average length of individual experience is 3 years and 7 months. Note that Martin may not have shared all experience and actually has more experience.

What roles would Martin be best suited for?

Based on recent experience, Martin would be well-suited for roles such as: IT Architect, Transition Manager, Project Manager.

What is Martin's latest experience?

Martin's most recent position is IT Architect at NDA Defense Industry.

What companies has Martin worked for in recent years?

In recent years, Martin has worked for NDA Defense Industry, Daimler Truck AG, Bilfinger SE, Planta GmbH, and cunova GmbH.

Which industries is Martin most experienced in?

Martin is most experienced in industries like Information Technology, Automotive, and Government and Administration. Martin also has some experience in Insurance and Aerospace and Defense.

Which business areas is Martin most experienced in?

Martin is most experienced in business areas like Information Technology, Operations, and Project Management. Martin also has some experience in Business Intelligence.

Which industries has Martin worked in recently?

Martin has recently worked in industries like Information Technology, Automotive, and Government and Administration.

Which business areas has Martin worked in recently?

Martin has recently worked in business areas like Information Technology, Operations, and Project Management.

What is the availability of Martin?

Martin is immediately available full-time for suitable projects.

What is the rate of Martin?

Martin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.