SINIX Experts in Germany
for dependable Unix systems, matched in minutes with vetted and available freelancersHire experts who maintain SINIX environments, support Siemens Nixdorf infrastructure and handle Unix migrations, system integration and operational troubleshooting. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Germany, who have recently used SINIX
Tobias R.
Last position:
M&A IT Project Manager / Cross-functional Technical and Integration Manager at Sandoz AG
- Worked for several M&A projects (Eire, Sunshine C, Coral) in the role of IT project manager and cross-functional technical manager / integration manager.
- Preparation and maintenance of project charters, project change requests and project plans.
- Weekly project status report.
- Preparation of decision papers and steering committee slidedecks.
- Risk & issue management.
- Tracking and managing activities, dependencies and deliverables across all functional IT domains.
- Data migration (planning and execution).
Pierre G.
Last position:
Ansible Automation, Windows Third Level Support at DB InfraGO AG
- PRISMA project
- Ansible automation
- Windows third-level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Ernst H.
Last position:
Support/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD
- Support and further development of a complex process for creating XML documents for electronic invoices / E-Invoicing (XRechnung, ZUGFeRD)
- Automation of operational processes, process development and optimization
- Development of frontend applications with MS Power Apps
- Porting SQL Server 2016 to SQL Server 2022
- SQL Server database administration
Alex O.
Last position:
Contractor at Telefonica Germany GmbH & Co. OHG
- Data-analysis, Preparation, gathering and coordination of business requirements for retrieval of monthly- and long term (CLV – relevant) cost- and revenue-components per contract for a customer–base–grouping project (HUB–Project) for B2C-Postpaid-Controlling
- Concept and Implementation of cost- and revenue-KPIs calculation and corresponding CLV–reports (Oracle, Perl, SVN, MS SQL Server, MS Power BI, Serviceware Performance Analytics)
- Operational support of the HUB-Project – various ad-hoc reports, deployments, job-scheduling etc. (Oracle, SVN, BICSuite–Scheduler, DWSODA etc.)
- Analysis, implementation, retrieval and reporting of various physical and financial KPIs for B2P-Prepaid Business on an existing data-mart (Oracle, Perl)
David B.
Last position:
Acting Partner at Bliestal Consulting UG
- Redesigning cablewise infrastructure with CAT 8.1 keystones, measuring the speed and quality of the new installation with Pockethernet, documentation at a local saddlery
- CAT 8.1 installation and building a data center, site linking, VPN and VLAN configuration for a local car dealership, implementation of IT-Security standards like virus protection (G Data) and firewalling (OPNSense)
- Relocation of a tax office with redesign of the IT infrastructure, virus protection (G Data) and backup solutions (QNAP)
- Planning, conception and implementation of an inhouse data center, BSI-compliant for commercial laundry (including Proxmox-based virtualization of existing infrastructures, QNAP, G Data, OPNSense, APC)
- Implementation and conception of security solutions in the SME sector
- Collaboration on the IT-security concept for the Bremen network of authorities (in the dLAN network)
- Creation of IT-security concept VOIS (modules MESO, KFZ/iKFZ) including audit preparation for KBA
- Expansion of the IT-security concept for the online service for electronic residence registration (eWA) to include use as an eFA (one-for-all) service (nationwide)
- Expansion of the IT-security concept to include modules wos & wvp
- Concept development for the implementation of DIN SPEC 27076 at MSEs and SMEs
- Creation and evaluation of emergency concepts
- Creation and evaluation of response actions and BCM plans
- Assessment of existing business continuity management (ISO 22301)
- Development of BCM strategy options
- Conducting awareness training
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.
Bernhard M.
Last position:
Leading Red Hat OpenShift Architect at Deutsche Rentenversicherung
- Architecture review and continuation of the architecture of two Red Hat OpenShift 4.16 environments: one for the so-called legacy environment in Berlin, consisting of two availability zones, and the other for a geo-redundant cluster between Berlin and Würzburg with three availability zones each.
- Further development or creation of the detailed designs for the legacy data center and the new DRV data center.
- Architecture of the hub clusters.
- Architecture of the RHACM and RHACS components.
- Architecture of the Red Hat Quay repositories and the connection and replication of existing JFrog Artifactory repositories.
- Creation of the required firewall requests.
- Review of the BSI basic protection checks of the environments and creation of implementation instructions.
- Design and requirements analysis of the Quay image registries.
- Design for the use of Hashicorp Vault as a secret store for the clusters.
- Creation of a backup concept for the Red Hat OpenShift clusters.
- Creation of concepts for the lifecycle of the images in the registries.
- Design of a federated user management based on LDAP/AD for the administrative OpenShift users.
Hellmuth V.
Last position:
Embedded Software Architect / Team Coordinator at Provider of system solutions in the field of electric drives
- Analysis and inventory of a system consisting of 2 control units
- Creation and derivation of the static software architecture
- Optimization and standardization of structures for model-based control
- Creation of the dynamic software architecture
- Development of improvement proposals in workshops with the customer
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
Christopher E.
Last position:
Senior Oracle DBA and WebLogic Administrator, Oracle Business Intelligence for Applications
- Oracle databases 11g, 12c and 19c RAC
- Installation, configuration and deployment of Oracle Fusion Middleware 11g & 12c (WebLogic, SOA, Oracle Forms and Report Server, etc., OBIA)
- Administration of Oracle 11g, 12c, RAC and 19c
- Applying patches
- Installation, configuration and deployment of Tomcat
- Oracle tuning
- The system includes several production, QA, test & development Oracle databases and WebLogic application servers 11g & 12c
Pawel N.
Last position:
Subject Mater Expert Linux at TCS Alliance Healthcare
- Updating/upgrading Linux servers to new versions
- Installing Trend Micro on Linux servers
- Creating, presenting and maintaining technical documents
- Refactoring tools
- Platforms: SUSE Linux Enterprise Server (SLES) 10, 11, CentOS, RedHat, Windows 10, PowerShell, Bash, Perl, Trend Micro AV, PuTTY, SSH, VMware
- Project language: English
Discover over 15,000 top freelancers
Statistics of experts using SINIX
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
2 years
Positions per freelancer
24
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
57%
Master's degree or higher
43%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
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 SINIX
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.
SINIX 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 (100%)
- Manufacturing (73%)
- Banking and Finance (64%)
- Transportation (64%)
- Automotive (55%)
- Government and Administration (55%)
- Telecommunication (55%)
- Energy (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
SINIX foundations
SINIX is a Unix operating system created by Siemens and Siemens Nixdorf for business-critical computing environments. It is rooted in Unix System V and was used on servers, workstations and enterprise systems that required stable multi-user operation. Its history connects closely with Siemens Nixdorf infrastructure and the later Reliant UNIX line.
Where SINIX runs
SINIX supported transaction processing, file and print services, technical applications and specialized enterprise workloads. Companies may still encounter it in long-running production environments, archived systems or infrastructure that cannot be replaced without careful planning. In Germany, this can include industrial, public-sector and other organizations with established Siemens Nixdorf estates.
Ecosystem and tooling
Work around SINIX can include shell scripting, C-based applications, Unix permissions, process management, networking and system monitoring. Specialists may also work with Siemens hardware, terminal services, backup routines, databases and interfaces to newer Unix or Linux systems. Knowledge of Reliant UNIX helps when tracing platform history and planning modernization.
When expertise matters
- Stabilizing a legacy SINIX service with limited internal documentation
- Diagnosing boot, storage, networking or application failures
- Connecting SINIX workloads to current infrastructure
- Planning a controlled migration, replacement or data transition
Freelance expertise is useful when a company needs rare platform knowledge for a defined task. It can reduce operational risk during audits, handovers, incident response and modernization work without disrupting established services.
Strong professional practice
Strong SINIX professionals begin with the operating environment, hardware dependencies and business impact. They document commands, configuration changes and recovery steps clearly. They distinguish a safe short-term repair from a long-term migration decision and test interfaces before changing a production system.
Remote work is practical for log review, documentation, scripting and migration planning. On-site collaboration may still matter when access depends on legacy consoles, physical media, restricted networks or equipment located at a German facility. Clear German or English documentation supports reliable handovers.
Choosing the right specialist
Look for evidence of hands-on work with SINIX or closely related Siemens Unix systems, not only general Unix knowledge. Ask how the professional would assess an undocumented host, protect data, validate backups and manage rollback. A useful specialist can explain constraints in plain language, coordinate with current IT teams and leave behind maintainable documentation.
Frequently asked questions
Before you brief your next project: the most common questions about SINIX.
SINIX is a Unix operating system used by Siemens and Siemens Nixdorf for enterprise servers, workstations and specialized business environments. It commonly appears in long-running systems that support transactions, file services, technical applications or interfaces to other infrastructure.
SINIX is a legacy Unix platform with a much smaller current ecosystem than Linux or mainstream commercial Unix systems. It can remain dependable in an established environment, but migration to Linux or another supported platform may offer broader hardware, tooling and support options.
A strong SINIX specialist usually understands Unix System V concepts, shell scripting, C-based applications, networking, storage, permissions and process control. Experience with Siemens Nixdorf hardware, Reliant UNIX, databases, backups and migration planning is also valuable.
The required depth depends on the task. A documentation review may need solid Unix troubleshooting, while recovery of an undocumented production host calls for direct SINIX experience, knowledge of the hardware and a careful rollback plan.
SINIX work can often be handled remotely when secure access to the host, logs and documentation is available. On-site support may be necessary for legacy consoles, physical media, restricted networks or equipment that cannot be accessed remotely; German or English communication should be agreed in advance.
A company should consider a SINIX freelancer when internal knowledge is limited and a critical system needs troubleshooting, handover, audit preparation or migration planning. Short-term specialist support is especially useful before changing undocumented configurations or retiring a dependent application.
Ask the SINIX professional to describe a comparable system, the evidence they would collect first and how they would protect service continuity. Good answers cover backups, access controls, dependency mapping, testing, rollback and clear operational documentation rather than relying on platform familiarity alone.
Reliant UNIX is closely related to SINIX and represents a later stage in the Siemens Nixdorf Unix product history. The exact relationship depends on the release, hardware and migration path, so a specialist should verify the installed system before applying procedures from another platform.
The average hourly rate of freelancers in Germany who have used SINIX in their recent projects is 112 €, which corresponds to a daily rate of about 894 € based on an 8-hour working day.
Of the freelancers in Germany who have used SINIX in their recent projects, 57% hold at least a Bachelor's degree and 43% hold at least a Master's degree.
On average, freelancers in Germany who have used SINIX in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used SINIX in their recent projects are German (100%), English (100%), and French (45%).
The most common industries among freelancers in Germany who have used SINIX in their recent projects are Information Technology (100%), Manufacturing (73%), and Banking and Finance (64%).
The most common business areas among freelancers in Germany who have used SINIX in their recent projects are Information Technology (100%), Operations (91%), and Project Management (82%).
Main locations of FRATCH Experts, who have recently used SINIX
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
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
