KornShell Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used KornShell
Burhan Dinler
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Marko Oršolić
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Olaf Taesch
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Ulm Paunel
Last position:
DataStage ETL Expert at ING Bank
- Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
- Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
- Storage of the silver layer on Hadoop and the gold layer in Oracle.
- Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
- Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
- Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
- Versioning changes in GitHub and deployment via the CI/CD portal.
- Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
- Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
- Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
- Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
- Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.
André Görst
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Arne Hendricks
Last position:
Embedded Fullstack Developer at IoT / Infrastructure Automation Sector
- Analysis of legacy codebase and identification of architectural issues, implementing improvements in coordination with the Product Owner.
- Development of clean, efficient, and fully documented code following established software engineering practices and standards.
- Analysis of Erlang components in backend and device layers to provide recommendations for ensuring stable system operation.
- Setup and optimization of CI/CD pipelines on client infrastructure, including testing, debugging, and certificate management quality assurance.
- Participation in planning, design, and implementation of epics and stories according to Product Owner specifications.
- Technical consultation for Product Owner regarding Erlang codebase management and best practices.
- Collaboration with Product Owner, Scrum Master, and development team to ensure timely delivery of features.
- Elixir & Phoenix + PostgreSQL
- Erlang
- IoT
- CI/CD
- Git
- Agile/Scrum
- Docker
- Kubernetes
- Frontend (VueJS)
- Embedded Devices
Georg Danebrock
Last position:
Senior Project Manager at Apleona GmbH
- Project review, restructuring, and PM for the migration of a total of 12,000 Windows workplace systems (650 applications) from SCCM and Empirum/Matrix42 to MS-Intune after a merger.
- Took over a heavily delayed / not ideally managed project in the role of the "firefighter".
- Completely revised and adjusted/updated the planning of the customer and the involved service provider.
- Introduced planning baselining as well as tracking/mitigation of current risks.
- Introduced an efficient, partially automated planning/reporting interface between MS Project Planning (service provider) and Jira (customer).
- Restructured meetings to increase efficiency and remove redundant appointments.
- Completed the analysis and design phase and created base data for migrations from heterogeneous systems of the two merged companies.
- Started the User Acceptance Test (UAT).
- Technologies: MS Autopilot, Zero Touch.
Andreas Schenk
Last position:
Project Management, Development and Test- (Defect-) Management at safarica.com
- Creation and implementation of a multilingual, relational MariaDB database to reflect the requirements of a booking system designed for safaris in Africa
- Testing the front- and backend functionality, registration of clients and suppliers, the editorial system and the payment workflow
- Defect management and documentation via BugHerd
- Implementation of an automatic internal deployment of deliveries provided by an external company via bash scripts
- Coordination of external companies in the function of a project manager (Stakeholder Management)
Rolf Gardewischke
Last position:
Developer & Designer at Security authorities
- Migration of a case processing system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development into a cloud application
- Consulting, development, requirements analysis, specification and design
- Coordination with upstream and downstream systems
- Data modeling, programming and implementation
- Support with code reviews and ensuring clean code in the PL/SQL context
- Documentation in Confluence
- Troubleshooting PL/SQL applications including log analysis, session tracing and performance profiling
- Optimization and tuning measures in the PL/SQL environment
- Knowledge transfer and onboarding of new employees
- Use of Jira for task management, progress tracking and sprint planning
Peter Brungs
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Michael Kuschel
Last position:
DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo
- Installation, design, maintenance, and further development of the server farm, covering hardware and software.
- Migrating live systems while minimizing downtime.
- Handling tickets and changes in daily operations.
- Documenting changes and processes in Confluence.
- Test runs in the development environment.
- Configuration and administration of Linux systems.
- Configuration and administration of backup systems (Dell Networker, DataDomain).
- Administration of the Checkpoint firewall.
Gerhard Haunstetter
Last position:
Application Developer at Lila Logistik
- Supported the application
- Developed applications in COBOL
- Extended customer and in-house requirements
- Assisted in ensuring smooth operation
- Methods/tools: COBOL, HP3000, MPE/XL operating system, IMAGE database, Whisper (development interface)
Jürgen Bargmann
Last position:
Database Administrator and Performance Tuning Specialist at ALD Automotive Leasing Deutschland
- Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 with Oracle 12c and 19c
- Troubleshooting and resolution on RHEL 7
- Automation of operations with UNIX/Linux shell scripts, Perl programs, and PL/SQL
- Planning, preparation, execution, and customer-specific review of changes and upgrades for the LEASMAN and DOXIS applications
- Incident handling including communication with outsourcing service providers and business units
- Data exchange with Data Pump
- Visualization of database content and monitoring results
- Configuration of databases for Debezium and monitoring Debezium activities
- Preparation of Oracle databases for migration to cloud environments
- Implementation and monitoring of NIST requirements in databases
- Automation of release upgrades for the LEASMAN application
- Creation of operations manuals and instructions
- Generation of reports for GDPR information requests
Knud Werner
Last position:
Lead Programmer, Architect and Deputy Product Owner at Bundesagentur für Arbeit
- Lead programmer, architect and deputy product owner
- Completed transition from zPDV to STEP
- Ensured quality of C++ and Perl sources through automated and manual checks
- Supported resolution of incidents and errors in testing
- Implemented batch for supplementary assignment of payment run numbers
- Implemented batch for distribution of SGB 2 information to the central payment unit
- Supported replacement of Solaris with Linux
- Upgraded gcc from 7.4 to 9.3
- Programmatically generated Makefiles from Borland projects for builds
- Extended funding data with new attribute “internship travel cost indicator”
- Programmatically generated XSD and WSDL files from IDL definitions
- Represented the product owner when needed
- Implemented batch for one-time payment processing
- Developed generator for Liquibase files
- Implemented and maintained regular anonymization of production data
- Supported migration from SLES 12 to SLES 15
- Supported introduction of mutual TLS
- Implemented batch for sending deletion impulses to EDA BE
- Organized script directory structure
- Investigated potential introduction of String-Latin and implemented minimal solution
- Remediated security findings identified by CheckMarx
- Supported PAP recalculations and general change notices
- Converted ERP interfaces from SOAP to REST
- Planned technical and business topics such as register modernization, cash register security, training costs, four-eyes principle
Steffen Schwarz
Last position:
Senior Tester at Deutsche Bundesbahn
- Creation, automation, and execution of regression tests
- Manual, automated, and load & performance testing
- Use of Micro Focus Silk Central Test Management tool, AWS Workspace, Kubernetes, Postman, OPENLens, GitLab CI/CD, SharePoint, Confluence, Jira, PostgreSQL, Oracle, SQL, SAFe
Discover over 15,000 top freelancers
Statistics of experts using KornShell
Aggregated from the professional profiles of matched freelancers.
Experience
30 years
Position duration
3.2 years
Positions per freelancer
25
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
60%
Master's degree or higher
27%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using KornShell
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
KornShell at a glance
KornShell, often called ksh, is a Unix shell for command execution, scripting, and system automation. Companies use it to glue tools together, run jobs, and control routine tasks on servers where stability matters.
Typical work
- Batch jobs and scheduled scripts
- Log handling and file processing
- Server start-up and admin tasks
- Monitoring, alerts, and housekeeping
- Migration of legacy shell logic
Tooling and environment
Strong KornShell work usually sits next to awk, sed, grep, cron, rsync, and SSH. In many teams, ksh scripts also call SQL tools, Java processes, or vendor utilities, especially on AIX, HP-UX, and Solaris systems.
When to bring in help
Teams bring in freelance specialists when old shell code is fragile, a release is blocked by a script failure, or operations need quick fixes without a long handover. This is common in Germany in industrial IT, finance, and enterprise support teams that still run Unix estates.
What good specialists do
Good KornShell professionals keep scripts readable, safe, and easy to trace. They handle quoting, exit codes, variables, functions, traps, and error paths with care. They also document dependencies so the next change does not break production.
Signs you need KornShell expertise
- Shell scripts fail only in production
- Old ksh code is hard to maintain
- AIX or Unix automation needs cleanup
- Batch jobs must be made safer
- Local and remote teams need clear handover
Frequently asked questions
Curious about KornShell? Here are the answers that come up again and again.
KornShell is used for Unix automation, operational scripting, and small control programs that connect system tools. Teams use ksh to run batch jobs, process files, manage services, and support legacy server workflows.
KornShell and Bash solve similar problems, but ksh is often preferred in older Unix environments and existing enterprise scripts. Bash is more common on modern Linux systems, while ksh is still important where AIX, Solaris, or long-lived shell code is in place.
A company should bring in a KornShell specialist when shell logic is business-critical, undocumented, or hard to safely change. That is especially true if a broken script blocks operations, release work, or automated data handling.
A strong KornShell professional usually knows awk, sed, grep, cron, SSH, and basic Unix administration. Database access, log analysis, and release automation are also useful because many ksh scripts coordinate those tasks.
A KornShell project needs someone who has already worked on live Unix systems, not just simple training scripts. The right depth depends on the risk: a one-off maintenance fix is different from a core operations script that runs unattended.
Yes, KornShell work can often be done remotely if the expert gets secure access, sample scripts, and a clear process for testing. In Germany, on-site time can still help when systems are tightly controlled or the existing environment is poorly documented.
Look for a KornShell freelancer who explains script flow clearly, handles errors well, and leaves readable code behind. Good signs include careful quoting, proper exit handling, and a practical approach to legacy Unix systems.
KornShell remains relevant during long migration periods because old automation often keeps production running. Even if the long-term plan is to replace ksh scripts, you still need someone who can stabilize them, map dependencies, and support the transition.
The average hourly rate of freelancers in Germany who have used KornShell in their recent projects is 98 €, which corresponds to a daily rate of about 786 € based on an 8-hour working day.
Of the freelancers in Germany who have used KornShell in their recent projects, 60% hold at least a Bachelor's degree and 27% hold at least a Master's degree.
On average, freelancers in Germany who have used KornShell in their recent projects have 30 years of professional experience, with a single engagement typically lasting around 3.2 years.
The most common languages among freelancers in Germany who have used KornShell in their recent projects are German (100%), English (100%), and French (45%).
The most common industries among freelancers in Germany who have used KornShell in their recent projects are Information Technology (95%), Banking and Finance (91%), and Government and Administration (64%).
The most common business areas among freelancers in Germany who have used KornShell in their recent projects are Information Technology (100%), Product Development (82%), and Quality Assurance (82%).
Main locations of FRATCH Experts, who have recently used KornShell
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
