SINIX Experts in Germany
matched in minutes from over 15,000 CVs with the power of AIWork with specialists who maintain mission-critical Siemens Nixdorf architectures, secure legacy UNIX environments, and execute complex data migrations to modern Linux platforms through fast matching with vetted, available freelancers.
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 workstation systems (650 applications) from SCCM or Empirum/Matrix42 to MS-Intune following a merger.
- Took over a significantly delayed and poorly managed project in the role of “firefighter”.
- Completely revised and adjusted/updated the planning of the customer and the service provider involved.
- Introduced planning baselining and the recording/mitigation of current risks.
- Introduced an efficient, partly automated planning/reporting interface between MS-Project Planning (service provider) and Jira (customer).
- Restructured meetings to increase efficiency and eliminate redundant appointments.
- Completed the analysis and design phase and prepared basic data for migrations from the 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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 29 Oct 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
Enterprise UNIX for Siemens Nixdorf Hardware
SINIX, later rebranded as Reliant UNIX, is the proprietary UNIX operating system originally developed by Siemens and Siemens Nixdorf Informationssysteme. Based on UNIX System V, it powered the RM series RISC servers and earlier MX series systems across European enterprises.
Core Roles in Legacy Infrastructure
- Operating high-availability database engines including Informix and Oracle
- Running legacy ERP, banking transaction hubs, and warehouse control software
- Providing POS back-office processing and batch accounting routines
- Managing mission-critical telecom billing and public administration databases
Ecosystem Tooling and Architecture
The operating environment integrates standard System V Release 4 utilities, Bourne shell scripting, and C runtime components tailored for MIPS architecture processors. Specialists work with raw disk slices, SCSI storage controllers, terminal multiplexers, and vintage networking protocols like SNA and early TCP/IP stacks.
Industrial Foothold in Germany
Because Siemens Nixdorf was headquartered in Paderborn and Munich, many German public sector agencies, transport operators, and industrial enterprises deployed these systems extensively. While new hardware sales ended decades ago, critical instances remain active across Germany to process air-gapped workloads or archived financial data.
Migration Drivers and Maintenance Needs
Organizations retain external specialists primarily when in-house institutional knowledge retires or when compliance mandates complete decommission. Typical projects involve auditing obsolete RM400 hardware, isolating networks against modern security vulnerabilities, and migrating proprietary schemas to virtualized Linux.
Hallmarks of Veteran Specialists
Top specialists combine deep familiarity with System V administration, MIPS-based hardware diagnostics, and legacy relational databases. They understand tape extraction routines, terminfo terminal emulations, and the intricacies of porting ancient C code to contemporary POSIX standards without data loss.
Frequently asked questions
Before you brief your next project: the most common questions about SINIX.
Operating systems running SINIX primarily support legacy transactional cores, Informix or Oracle databases, and proprietary enterprise software. Most installations function as stable back-office engines that have run uninterrupted for decades.
Unlike Linux, SINIX conforms strictly to UNIX System V Release 4 and was compiled specifically for Siemens Nixdorf hardware like the RM series. It lacks modern container tooling, systemd, and contemporary package managers, relying instead on classic SysV init and bespoke maintenance utilities.
Many industrial firms and public institutions in Germany relied on Siemens Nixdorf hardware throughout the late twentieth century. When internal staff retire, companies hire freelance specialists to ensure operational continuity, extract audit trails, or safely migrate systems to modern infrastructure.
Specialists working with Reliant UNIX or older versions require strong skills in Bourne shell scripting, Informix 4GL, C, and raw block storage management. Knowledge of network bridging, terminal emulation protocols, and contemporary Linux target environments is equally essential during migrations.
Remote maintenance via secure jump hosts and serial console servers is standard for software audits and database dumps. However, physical hardware interventions on SINIX machines, such as SCSI drive swaps or tape readouts, often require on-site presence in Germany.
Key risks include data corruption from non-standard character encodings, loss of undocumented cron automation, and difficulties recompiling legacy C programs. An experienced SINIX professional mitigates these issues by building exact test environments and verifying checksums before decommissioning hardware.
Evaluate their practical background with SINIX-N or RM-series hardware, experience with System V administration, and track record in legacy data recovery. Ask concrete questions regarding kernel tunables, backup extraction via cpio or tar, and past platform migration projects.
While the core system commands are standard English UNIX syntax, legacy system documentation, internal runbooks, and inline comments in SINIX installations across Germany are frequently written in German. A working command of German is therefore highly advantageous for troubleshooting local legacy environments.
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
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Philipp Thomaschewski
FRATCH CEO
