Mike Krüger-Senior IT Consultant / Infrastructure Engineer
Check rate
Experience
Consultant
Capgemini
- Operation, administration, and further development of an Oracle 21c database environment on Oracle Linux, including performance analysis, troubleshooting, and PL/SQL
- Setup and operation of a Kubernetes environment on AWS (EKS)
Skills: Oracle 21c DBA, Oracle Linux, Kubernetes, AWS
Consultant
Vodafone
Operation, administration, and further development of an Oracle 21c RAC, ASM, cluster database environment on Oracle Linux, including performance analysis, troubleshooting, and PL/SQL
Skills: ORACLE 21C RAC ASM DBA, Data Guard, Oracle Linux
Consultant
Vodafone
Operation and development of a BMC Remedy environment
- Operation and further development of a BMC Remedy environment
- Development and customization of forms, active links, and workflows
- Creation and optimization of UI components and widgets
- Administration of AR System and Mid Tier
- Customization of filters, escalations, and menus
- Error analysis and troubleshooting in complex Remedy environments
- User and permission management
- Integration and connection of external systems via interfaces
- Carrying out changes, updates, and deployments
- Performance optimization and stabilization of the application
- Support and consulting for business units and users
- Documentation of technical changes and processes
Lead Consultant
RETAILO
Oracle 12g data migration
Skills: Oracle 12g DBA, PL SQL, Oracle Linux
Consultant
RETAILO
Postbank Client eCodes POR
Skills: Oracle Linux, Java Code, JBoss
Consultant
DEUTSCHE TELEKOM
Incident management
Skills: IT Software infrastructure
Consultant
DEUTSCHE TELEKOM
Installation of a Rational Synergy Server
Skills: IT Software infrastructure - Operating System Management, IT Software infrastructure – Service Centre, Helpdesk, Support
Consultant
DEUTSCHE TELEKOM
Further development and operation of the archiving of customer data in a CRM database
Skills: Oracle RAC / ASM DBA, Data Guard, PL SQL
Consultant
RETAILO
- Overall responsibility for Linux, Oracle, and middleware landscape
- Operating a complete environment for a gift card service provider
- Operation, administration, and further development of an Oracle 19c database landscape on Oracle Linux incl. performance analysis, troubleshooting, and PL/SQL
- JBoss administration
- Apache cluster
- HA cluster
- MySQL cluster
- Nagios monitoring
- Checkpoint firewall / Juniper
- Cisco switching
- Virtualization
Skills: Virtualization, Oracle Linux, Red Hat Linux, Oracle 19c DBA, JBoss, Java Code, MySQL DB, Nagios
Consultant
HEINE
Development of a web-based application software for a next-generation dermatoscope (prototype)
Skills: Oracle Linux, JBoss, MySQL DB
Consultant
DEUTSCHE TELEKOM
Setup of a high availability monitoring environment
Skills: MySQL DB, HA Keepalive Corosync, DRBD, Oracle Linux, Red Hat Linux
Consultant
RETAILO
Setup of an Oracle backup environment
Skills: IT Software infrastructure - Database Management, Oracle DBA
Consultant
DEUTSCHE TELEKOM
Planning and leading various test environments
Skills: IT & Digital governance & transformation - IT Governance, IT & Digital governance & transformation - IT Configuration & Change Management, IT & Digital governance & transformation - IT Architecture
Consultant
DVFA
- Creating a new network with current hardware and software
- Exchange migration, Active Directory migration
Skills: Windows Server, Active Directory, MS Exchange
Consultant
CAP
Hardware/software migration
Skills: Solaris, Bash Scripting, Oracle DB
Consultant
CAP
Planning a software migration of the existing system environment to a new architecture
Skills: Solaris, Bash Scripting, Oracle DB
Consultant
CAP
Hardware/software migration
Skills: Solaris, Bash Scripting, Oracle DB
Consultant
ADLINK AG
Network infrastructure conversion
Skills: Cisco Switch, Checkpoint Firewall
Consultant
ADLINK AG
Exchange migration
Skills: Microsoft Exchange Server
Consultant
ADLINK AG
Oracle migration
Skills: Oracle DBA
Consultant
CHS DATA Systems
- OpenExchange rollout
- Replacement of MS Exchange
- Active Directory migration to OpenLDAP
Skills: OpenExchange, OpenLDAP, Suse Linux, MS Exchange, MS Active Directory
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Telecommunication, Information Technology, Professional Services, Banking and Finance, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, Product Development, and Project Management.
Skills
- Area Of Use
- Customer Environment
- Public Sector: It & Corporate Network Services, Training Services
- Communications Service Providers: Support Functions, It & Corporate Network Services
- Medical Devices: It & Corporate Network Services
- Consultant Activities
- Consulting - Strategy & Management
- Consulting - Functional
- Consulting - Technical
- Operations & Services
- Development
- Skills
- It Software Infrastructure: Network & System Management, Database Management, Operating System Management, Virtualization, Applications, Middleware & Eai Platforms, It Hardware, Network Attached Storage (Nas), It Infrastructure Management
- Oracle Dba Rac/Asm
- Pl/Sql
- Senior Linux / Unix Specialist
- Ibm Aix Administration
- Shell Scripting
- Kubernetes / Aws (Eks)
- Vmware Esxi Administration
- Mulesoft Certified Developer
- Openldap Administration / Migrations
- Ms Exchange Migrations
- Active Directory Integration
- Cybersecurity: Legal Right & Protection
- It & Digital Governance & Transformation: It Architecture, It Application Management, It Configuration & Change Management, It Governance
Languages
Education
Fachhochschule Koblenz
Abitur · Koblenz, Germany
Certifications & licenses
Mulesoft Anypoint Platform Developers (Mule4): Fundamentals (Certified Developer)
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Mike is based in Koblenz, Germany and can operate in on-site, hybrid, and remote work models.
Mike speaks the following languages: German (Native), English (Advanced).
Mike has at least 17 years of experience. During this time, Mike has worked in at least 2 different roles and for 9 different companies. The average length of individual experience is 1 year and 10 months. Note that Mike may not have shared all experience and actually has more experience.
Based on recent experience, Mike would be well-suited for roles such as: Consultant, Lead Consultant.
Mike's most recent position is Consultant at Capgemini.
In recent years, Mike has worked for Capgemini, Vodafone, and RETAILO.
Mike is most experienced in industries like Telecommunication, Information Technology, and Professional Services. Mike also has some experience in Banking and Finance, Healthcare, and Retail.
Mike is most experienced in business areas like Information Technology, Operations, and Product Development. Mike also has some experience in Project Management.
Mike has recently worked in industries like Information Technology, Telecommunication, and Professional Services.
Mike has recently worked in business areas like Information Technology and Operations.
Mike attended Fachhochschule Koblenz.
Mike has 1 certificate: Mulesoft Anypoint Platform Developers (Mule4): Fundamentals (Certified Developer).
Mike is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 24 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Benjamin Wennmacher
Manfred Schirmer
Jens Rehsack
Serkan Kaya
Nenad Jaksic
Bahriye Eser
Sven Koebnick
Stefan Moisa
Marko Oršolić
Alexander Zhirov
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Consultant
Tan Pham
Matthias Weiss
Kai Pankatz
Janusz Mazurek
Marcus Wiederstein
Torsten Glunde
Jan Lüders
Jorge Machado
Dirk Behringer
Pierre Gronau
Nearby freelancers
Professionals working in or nearby Koblenz, Germany
Christian Fritsch
Alexander Philipp Herbst
Kiriakos Krastillis
Jakob Hess
Qamar Hussain
Philip Scott
Ralph Behrens
Matthias Schneider
Sahra Hainke
Beate Peters
