Unix Experts in Essen
matched in minutes from over 15,000 CVs with the power of AIHire experts who keep Unix servers stable, automate shell tasks, tune permissions and process control, and support mixed Linux and UNIX estates. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Essen, who have recently used Unix
Arndt Maas
Last position:
Project Manager for ServiceNow Vulnerability Response at Union Investment Services & IT GmbH
- Led the subproject for implementing Vulnerability Response as part of DORA
- Documented the current processes in compliance, risk & security
- Created the functional design for introducing application, infrastructure, and cloud vulnerabilities
- Agile management of the integration service provider, the technical department, and the company's cross-functional teams
- Integrated the V scanners Tenable, Qualys and Defender, as well as NVD and CISA/KEV
- Integrated GitLab Ultimate for importing and processing SBOMs
- Developed automation rules to match scan results with CIs in the CMDB, assign vulnerabilities and remediation tasks, handle approvals (false positives, exceptions) and closures
- Calculated multiple risk scores and priorities
- Defined dashboards and reports (Workspaces, Performance Analytics)
- Aligned the new processes, especially to improve the CMDB data quality (according to CSDM)
Frank Dostert
Last position:
Project Manager at TEAG Thüringer Energie AG
- Transition of Microsoft Azure operations to BTC AG
- Responsibility: budget of €60k
- Staff: leadership of 5 people
- Tools: Office 365, JIRA, Confluence
Henok Abraham
Last position:
Founder and Managing Director at Afworki GmbH IT-Consulting
The goal of Afworki GmbH IT-Consulting is to make small and medium-sized companies more competitive by overcoming challenges in digitalization, automation, and data management.
Tailored technology, strategy, and specialist consulting designed to meet the individual needs of each company.
Analyzing the company's current situation and developing the best possible solution together with the client.
Using both agile and classical IT project management methods to deliver projects on time and within budget.
Focusing on automating and orchestrating all data flows in a data warehouse to create a unified and standardized data foundation.
Considering the dependencies between IT and business to achieve sustainable positive effects.
Employing modern strategies and tools specifically tailored to the company's needs.
Supporting digitalization, the introduction of agile working methods, and the creation of up-to-date reports and analyses.
Objective: streamlining management and enabling well-founded, data-driven decision-making.
Adem Susam
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Asım Yurduseven
Last position:
Freelance BI/DWH/ETL Specialist at Akbank
- Setting architectural standards for Informatica Power Center development teams
- Maintenance-performance-health for DWH (Exadata) environments
- Qlik Sense / BO reports architectural standards
- Implementing best practices in ETL tasks
- Documentation ETL standards on Confluence
- Dynamic Data Masking rules for GDPR/KVKK regulations by using Informatica DDM tool
- DWH Data model Power Designer
- Upgrade Qlik Sense versions
- Merge all Informatica server's repository databases on one Oracle DB
Nermin Kasumovic
Last position:
Service Manager, Change Manager, Project Manager at ITZ-Bund
- Responsible for service management and change management within the ITZ-Bund network.
- Creating, tracking, and modifying change requests for applications and infrastructure at ITZ-Bund.
- Adapting and extending change management processes.
- Ensuring required technical functionality of specific applications (beBPo Web, Governikus Multi Messenger GMM).
- Project management activities for individual projects within the ITZ-Bund network.
- Managing and ensuring availability of external service providers (Governikus, Materna).
- Participation in an FMS audit (documentation description, processes, quality) for individual agencies of ITZ-Bund.
- Monitoring deadlines and milestones, reporting project progress to various stakeholders.
- Single point of contact (SPOC) for various departments, weekly fixed meetings with clients and status meetings.
- Creating and planning infrastructure G2X maps, monitoring, and status reporting to clients and external service providers.
- Participation in certificate requests and certificate exchange for customer-specific infrastructure and applications.
- Planning, coordinating, and executing communication for announcing, carrying out, and following up on planned activities.
- Monitoring effort and developing improvement suggestions.
- Skills/Tools: ITIL, Prince 2, Windows 10, Microsoft Office, Governikus products, Materna products, Confluence, Jira, BMC Remedy, Smart IT
Marcel Dicks
Last position:
Software Developer / IT Tester at Continentale Krankenversicherung a.G.
Analysis, online COBOL software development and testing of dialog and batch programs in the Kranken Leistung (KL) project
Error analysis, bug fixing and ticket resolution (change requests and defects)
Documentation in collaboration with the contact office and the mathematics department
IT skills: Siemens Fujitsu BS2000, CCOM Emulation, Micro Focus Visual COBOL I and II, Eclipse IDE, UDS database system, Atlassian Confluence and Jira, ZULIP, UNIFY
Stefan Wolff
Last position:
Project team member at Environmental service provider
- Implementation and maintenance of an order management system
- RDBMS Oracle 19c
- Oracle Forms/Reports 12c/14c
- Oracle SQL
- XML processing
Discover over 15,000 top freelancers
Statistics of experts using Unix
Aggregated from the professional profiles of matched freelancers.
Experience
28 years (Germany: 26 years)
Position duration
2.3 years (Germany: 3.2 years)
Positions per freelancer
17 (Germany: 18)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Project Management, Information Technology, Quality Assurance
Bachelor's degree or higher
63% (Germany: 82%)
Master's degree or higher
38% (Germany: 49%)
Certifications per freelancer
5 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 98%)
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 Essen 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 Essen using Unix
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
Core systems
Unix is used for reliable server work, multi-user operations, and the command line tasks that keep business systems running. It sits behind legacy applications, internal services, and networked workloads where stability matters. Companies also bring in Unix specialists when they need to keep older platforms useful while they modernize around them.
What they handle
- Shell scripting and automation
- User, group, and permission management
- Service control, logging, and process handling
- File systems, backups, and restore routines
- Troubleshooting on AIX, Solaris, HP-UX, and other UNIX systems
Strong professionals know how Unix behaves under load and how small configuration changes affect the whole system. They work confidently from the terminal, read logs quickly, and keep documentation clear enough for handover and audits.
Ecosystem skills
Unix work often goes together with POSIX shells, cron, SSH, vi, awk, sed, and standard network tools. In real projects, experts may also connect Unix hosts to storage, directory services, monitoring, and batch job systems. That mix matters in both modern data centers and long-lived enterprise environments in Essen.
When to bring help
Companies usually look for freelance Unix expertise when an upgrade is risky, a production issue needs quick diagnosis, or internal staff are busy with other systems. It also helps when a team must support an old application, document an environment, or transfer knowledge before a handover. Clear remote collaboration is common; on-site work in Essen is useful when access, change windows, or stakeholder reviews need it.
Strong specialists
- Read system behavior, not just commands
- Automate repeatable tasks with safe shell code
- Keep changes minimal and reversible
- Explain trade-offs between portability and platform-specific features
- Work calmly with operations, security, and application teams
The best Unix professionals are practical. They protect uptime, reduce manual work, and leave systems easier to support.
Project fit
Unix is still a good fit for legacy enterprise software, batch processing, database hosts, and infrastructure that has to stay predictable for years. It is also common in environments that use UNIX branding from vendors such as IBM or Oracle. For companies in Essen, the right specialist can bridge older systems and current operational standards without forcing a full rewrite.
Frequently asked questions
Questions about Unix? Start with the answers below.
Unix is used for stable multi-user servers, background jobs, application hosting, and the command-line work that supports operations. It is common in environments where predictable behavior, strong permissions, and long-lived services matter. Many companies still rely on Unix for legacy platforms and critical internal workloads.
Unix is the family name people usually mean when they search for UNIX in uppercase. In practice, many teams work on vendor systems such as AIX, Solaris, or HP-UX, and on Unix-like environments that follow the same command-line style. A good specialist understands the differences instead of treating them as identical.
Bring in a Unix specialist when the work touches permissions, shell scripts, boot and service behavior, logs, or platform-specific tools. This matters even more when the system is old, business-critical, or hard to replace. General server knowledge helps, but Unix often needs deeper command-line and vendor-platform experience.
A strong Unix professional usually knows shell scripting, SSH, cron, text processing tools, and basic networking. Depending on the setup, they may also work with storage, monitoring, directory services, or backup tooling. Clear documentation and careful change control are important too.
The right Unix experience depends on the task. Small scripting or user-management work may need a focused specialist, while migration, incident response, or platform upgrades need someone who has handled similar systems before. The key is proven work on the exact Unix variant and workload you run.
Most Unix tasks can be done remotely if the specialist has secure access and a clear process for changes. On-site help in Essen is useful for restricted environments, sensitive handovers, or situations where teams want direct workshops and faster stakeholder alignment. Many projects use a mix of both.
Look for someone who can explain how Unix behaves, not just list commands. Good signs are clean shell scripts, careful handling of permissions, clear logs or notes, and practical steps for rollback and testing. Ask for examples from similar vendor platforms and ask how they prevent side effects.
Unix and Linux share many commands and habits, but they are not the same environment. Linux specialists may be comfortable on the shell, yet a Unix project can still depend on vendor-specific tools, service management, or file system behavior. For critical work, choose someone who has real experience on the exact system you use.
The average hourly rate of freelancers in Essen, Germany who have used Unix in their recent projects is 109 €, which corresponds to a daily rate of about 869 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Unix in their recent projects, 63% hold at least a Bachelor's degree and 38% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Unix in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Essen, Germany who have used Unix in their recent projects are German (100%), English (100%), and French (38%).
The most common industries among freelancers in Essen, Germany who have used Unix in their recent projects are Information Technology (100%), Manufacturing (88%), and Banking and Finance (75%).
The most common business areas among freelancers in Essen, Germany who have used Unix in their recent projects are Information Technology (100%), Project Management (100%), and Operations (75%).
Main locations of FRATCH Experts, who have recently used Unix
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 Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
