KornShell Experts in Germany
for reliable automation, matched in minutes from over 15,000 CVs with the power of AIHire experts who automate Unix and Linux operations, maintain ksh scripts, and connect KornShell with schedulers, databases and deployment workflows. Get fast, precise matching with vetted, available freelancers who can support remote or on-site delivery.
Meet FRATCH Experts in Germany, who have recently used KornShell
Burhan D.
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
Sabahattin K.
Last position:
Sole responsibility (design, development, infrastructure, operations) at Own project busik.ch
- Ride-sharing and bus platform, live and fully functional. Backend with Spring Boot 4.1 on Java 21, PostgreSQL with Flyway, and Testcontainers integration tests. Hosted in my own AWS account (ECS Fargate, ALB, ECR, IAM Least-Privilege) with CI/CD via GitHub Actions and OIDC federation without static credentials. Development fully AI-supported with Claude Code, including custom skills and project-specific memory. Spring Boot · Java 21 · PostgreSQL · Flyway · Docker · AWS ECS/ALB/ECR · CI/CD · GitHub Actions · Claude Code
Marko O.
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 T.
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.
Michael K.
Last position:
DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo
- Installation, planning, maintenance and further development of the server farm in the area of hardware and software
- Migration of live systems with minimized downtime
- Processing tickets and changes in daily business
- Documentation of 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
Ulm P.
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 G.
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 H.
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 D.
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 S.
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)
Manfred S.
Last position:
Senior System Engineer Linux at DB InfraGo AG
- Set up and updated virtual machines for railway operations infrastructure.
- Used VMWare vSphere 6–8, Veeam Backup, Microsoft Active Directory, DNS, NPS, and WSUS.
- Used RedHat Satellite Server, rSyslog Server, Icinga2, Postfix, Tacacs, Ansible, and Ansible Automation Platform.
- Operated HPE rack servers and HPE Synergy blade servers with Meinberg NTP Server, Brocade FC, and Cisco Nexus 9000.
Rolf G.
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 B.
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
Gerhard H.
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 B.
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
Discover over 15,000 top freelancers
Statistics of experts using KornShell
Aggregated from the professional profiles of matched freelancers.
Experience
30 years
Position duration
3.1 years
Positions per freelancer
24
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
65%
Master's degree or higher
29%
Doctorate
6%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
96%
Based on our profile pool as of 19 Sep 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
KornShell experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (96%)
- Banking and Finance (88%)
- Government and Administration (63%)
- Transportation (54%)
- Insurance (50%)
- Telecommunication (46%)
- Automotive (38%)
- Manufacturing (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
KornShell at a glance
KornShell is a Unix and Linux command shell used to automate system tasks, run operational workflows and connect command-line tools. Commonly called ksh or KSH, it combines interactive shell features with a scripting language suited to stable, repeatable execution. It remains relevant in long-running enterprise environments and infrastructure estates.
Automation work
KornShell scripts coordinate file handling, process control, service checks and scheduled operations. They can move data between systems, prepare batch jobs, validate inputs and trigger downstream commands. Strong scripts handle exit codes, signals, permissions, logging and safe recovery instead of assuming every command succeeds.
- Automate Unix and Linux maintenance routines
- Orchestrate batch processing and file transfers
- Build checks for services, jobs and system capacity
- Replace fragile manual runbooks with repeatable scripts
Ecosystem and tooling
KornShell specialists work with POSIX utilities, awk, sed, grep, find, cron and SSH. They often integrate scripts with relational databases, enterprise schedulers, monitoring tools, version control and CI pipelines. Knowledge of ksh88 and ksh93 syntax, portability concerns and shell debugging helps when older scripts meet newer operating systems.
When expertise matters
Companies bring in freelance KornShell professionals when critical automation is poorly documented, a platform migration exposes compatibility issues or operations teams need dependable batch processing. Germany-based organisations may also need specialists who can collaborate with local teams on-site while keeping delivery effective across remote infrastructure groups.
- Review and refactor legacy ksh code
- Migrate scripts between Unix and Linux environments
- Improve logging, alerting and failure handling
- Document operational dependencies and handover steps
What strong professionals bring
The best KornShell experts understand the operating system beneath the script. They inspect process trees, permissions, environment variables, shell expansion and resource limits before changing production logic. They test destructive paths, make assumptions explicit and produce scripts that another team can operate without hidden state.
Fit for a project
Choose a specialist who can explain why KornShell is still appropriate, where POSIX compatibility is required and when Python, Perl or another tool would reduce risk. Ask for examples of safe automation, migration work and incident diagnosis rather than scripts that only work on one host. For remote collaboration in Germany, clear documentation, practical English or German communication and overlap with the operations team’s working hours can matter as much as syntax knowledge.
Frequently asked questions
Curious about KornShell? Here are the answers that come up again and again.
KornShell is used to automate Unix and Linux operations, batch processing, file transfers, service checks and scheduled jobs. It is especially useful when an organisation already depends on shell-based workflows and needs controlled changes without replacing the surrounding platform.
ksh offers strong interactive features and scripting capabilities while remaining close to established Unix conventions. Bash may be more common on some Linux systems, while POSIX sh is a narrower portability target; the right choice depends on existing scripts, operating systems and compatibility requirements.
KSH work often requires knowledge of Unix administration, POSIX utilities, cron, SSH, awk, sed, database clients and enterprise schedulers. Experience with Git, CI pipelines, monitoring and production incident handling is also valuable when scripts are part of a wider delivery process.
KornShell tasks can range from a focused script review to a wider migration of operational automation. The specialist should match their background to the risk: production batch chains, recovery logic and cross-platform compatibility require deeper practical experience than a small one-off utility.
ksh projects can usually be delivered remotely when secure access, test environments and operational documentation are available. For teams in Germany, agree on access controls, communication language, time-zone overlap and any need for on-site workshops before work begins.
KornShell is often worth keeping when scripts are stable, well integrated with Unix tooling and closely tied to existing schedulers or operational processes. A rewrite may be justified when testing is weak, portability is poor, maintenance is difficult or a different language would clearly reduce operational risk.
A strong KornShell freelancer explains quoting, expansion, exit status, signal handling and error recovery in practical terms. Review their testing approach, logging, documentation and treatment of permissions and secrets, not only whether the script succeeds on a normal path.
ksh93 or another KornShell environment can behave differently depending on the operating system and available utilities. Clarify the target hosts, shell version, scheduler, deployment method, production approval process, test data and rollback expectations before changing an operational script.
The average hourly rate of freelancers in Germany who have used KornShell in their recent projects is 97 €, which corresponds to a daily rate of about 774 € based on an 8-hour working day.
Of the freelancers in Germany who have used KornShell in their recent projects, 65% hold at least a Bachelor's degree, 29% hold at least a Master's degree, and 6% hold a doctorate.
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 3.1 years.
The most common languages among freelancers in Germany who have used KornShell in their recent projects are German (100%), English (96%), and French (42%).
The most common industries among freelancers in Germany who have used KornShell in their recent projects are Information Technology (96%), Banking and Finance (88%), and Government and Administration (63%).
The most common business areas among freelancers in Germany who have used KornShell in their recent projects are Information Technology (100%), Product Development (79%), and Quality Assurance (79%).
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
