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Solaris Expert in Düsseldorf

in minutes from over 15,000 CVs with the power of AI.

Hire experts who manage legacy migrations, configure enterprise Oracle Solaris environments, and secure critical Unix infrastructure. Our AI-driven platform matches you with vetted, available freelancers who ensure system stability and compliance without delay.

Meet FRATCH Experts in Düsseldorf, who have recently used Solaris

Verified expert

Rudolf Eggelbusch

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Datacenter Engineer, Network & Security Administrator

Ratingen
Rudolf Eggelbusch

Last position:

Datacenter Engineer, Network & Security Administrator at International insurance group

  • Operation and further development of the network and security infrastructure.

  • Monitoring, analysis and resolution of network and security incidents.

  • Cross-department collaboration with other specialist teams for operations, further development and reporting.

  • Firewall vulnerability analysis.

  • Firewall rule approvals.

  • Troubleshooting IP communication issues in the network and firewall infrastructure.

  • Security-critical IT infrastructure, processing of personal data, compliance with legal regulations.

  • Products: Palo Alto Networks Firewalls, Cisco ACI, Checkpoint Firewalls, F5

  • Technologies: SDN, SDWAN, Cisco EPIC, Cisco ACI

Verified expert

Hans-Dieter Große-Kreul

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40+ Years of IT Expertise: Bridge Builder between Mainframe & AI | Interim Test Manager & Business Analyst for Various

Düsseldorf
Hans-Dieter Große-Kreul

Last position:

Training as an AI Expert

I continuously expand my expertise in AI and automation, working with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, API, LangChain, Hugging Face, Manus, TensorFlow and Auto-GPT as well as Python-based ML frameworks and MLOps tools to intelligently transform classic software development, analysis, and testing processes.

Verified expert

Sebastian Chece

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Load & Performance Testing - Test Automation

Düsseldorf
Sebastian Chece

Last position:

Public institution responsible for educational institutions in NRW

  • Consulting on processes and execution of load tests, performance tests and technical tests of various applications: web portal, file cloud, email, video conferencing, learning/course platform
  • Creating the load test framework
  • Programming test scripts (JMeter, Selenium)
  • Developing batches to support the evaluation
  • Executing load tests and evaluating results, including clear reporting, recommendations for action, and bottleneck analysis
  • Managing tasks and collaboration to achieve meaningful load test results
Verified expert

Wolfgang Backhaus

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Freelancer

Düsseldorf
Wolfgang Backhaus

Last position:

Freelancer at Self-employed as a freelancer

Discover over 15,000 top freelancers

Statistics of experts using Solaris

Aggregated from the professional profiles of matched freelancers.

Experience

35 years (Germany: 30 years)

Position duration

2.7 years (Germany: 3.5 years)

Positions per freelancer

26 (Germany: 21)

Top business areas

Information Technology, Product Development, Project Management

Top industries

Information Technology, Telecommunication, Manufacturing

Certification focus areas

Information Technology, Product Development, Audit

Bachelor's degree or higher

50% (Germany: 75%)

Master's degree or higher

25% (Germany: 43%)

Doctorate

25% (Germany: 5%)

Certifications per freelancer

8 (Germany: 4)

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

0 2 4 6 8
<€800 €960+

The chart shows how the daily rates of freelancers in this technology in Düsseldorf 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 Düsseldorf using Solaris

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
Rate comparison chart
Daily rate avg. 986 €
Germany avg. 781 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200
900
600
300
Rate comparison chart
Median rate 1000 €
Germany median 800 €

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

Enterprise Infrastructure Management on Solaris

The Unix operating system originally developed by Sun Microsystems and now maintained by Oracle remains a cornerstone for high-availability enterprise environments. It provides robust virtualization, advanced file systems, and strict security controls for industries running critical database and transaction workloads.

Key Ecosystem Components and Tooling

Maintaining these environments requires deep knowledge of proprietary technologies designed for horizontal scaling and hardware partitioning.

  • Oracle Solaris Zones for lightweight OS virtualization
  • ZFS file system for data integrity and storage management
  • Service Management Facility for system service orchestration
  • Dynamic Tracing for real-time kernel performance analysis
  • Predictive Self-Healing to automatically diagnose hardware faults

Why Companies Recruit Solaris Specialists

Legacy modernization, platform migrations, and complex hardware lifecycles frequently demand external system expertise. Organizations bring in specialists when internal teams lack deep knowledge of legacy operating system structures or the latest security patches. These professionals secure systems against compliance risks while keeping critical databases operational.

Key Deliverables in System Maintenance

Contractors handle high-stakes activities that directly impact business continuity. They deploy patch bundles, configure cluster networks, and execute migrations to modern cloud or hybrid infrastructures. They also optimize kernel parameters to support demanding applications like major relational databases.

Professional Standards for Unix Infrastructure

Top-tier specialists possess a structured approach to risk management and system auditing. They understand the nuances of SPARC and x86 hardware architectures, ensuring that software changes do not disrupt physical server arrays. Their focus remains on maximizing uptime and minimizing latency in production environments.

Local Industry Alignment in Düsseldorf

In Düsseldorf, many financial institutions, logistics providers, and telecommunications companies rely on stable legacy infrastructure to support high-transaction business operations. Local professionals help these organizations bridge the gap between historic hardware deployments and modern data center standards, often coordinating hybrid setups on-site or through secure remote connections.

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Frequently asked questions

Not sure where to start with Solaris? These answers cover the essentials.

The Solaris operating system is primarily used for hosting high-transaction databases, enterprise resource planning systems, and critical financial applications. Its exceptional stability and deep integration with SPARC hardware make it ideal for environments where unscheduled downtime carries extreme financial consequences.

While Linux offers broader hardware compatibility and a larger open-source community, Solaris stands out with enterprise features like ZFS, boot environments, and fine-grained virtualization through Zones. Many legacy enterprise systems choose to remain on this platform due to its superior backward compatibility and specialized security frameworks.

A qualified Solaris specialist should have strong expertise in Oracle Database administration, shell scripting, and storage area network configuration. Experience with hardware platforms, clustering software, and modern cloud migration tools is also highly valuable for contemporary infrastructure projects.

Many organizations in the Düsseldorf area prefer a hybrid model when securing Solaris environments, using on-site presence for initial hardware configuration and remote access for monitoring. Given the sensitive nature of regional financial and logistics data, secure VPN access is standard practice.

The ZFS file system integrated into Solaris provides built-in volume management, data deduplication, and continuous integrity checking to prevent silent data corruption. It allows administrators to take instantaneous, read-only snapshots of file systems, which simplifies backup and recovery strategies immensely.

Yes, many legacy Solaris systems still run older configurations that require specialized maintenance and planning for eventual migration. An expert fluent in legacy setups can safely bridge these older environments to modern physical or virtualized hardware without risking data loss.

Look for professionals who hold relevant system administration certifications and can demonstrate a history of successful migration projects. A strong Solaris expert should be able to explain their approach to disaster recovery, patch management, and performance tuning under high workloads.

For Solaris projects in the Düsseldorf financial and public sectors, professionals often need professional proficiency in German to align with local operations teams. However, technical system scripting is conducted entirely in English, making bilingual specialists highly sought after.

The average hourly rate of freelancers in Dusseldorf, Germany who have used Solaris in their recent projects is 123 €, which corresponds to a daily rate of about 986 € based on an 8-hour working day.

Of the freelancers in Dusseldorf, Germany who have used Solaris in their recent projects, 50% hold at least a Bachelor's degree, 25% hold at least a Master's degree, and 25% hold a doctorate.

On average, freelancers in Dusseldorf, Germany who have used Solaris in their recent projects have 35 years of professional experience, with a single engagement typically lasting around 2.7 years.

The most common languages among freelancers in Dusseldorf, Germany who have used Solaris in their recent projects are German (100%), English (100%), and French (33%).

The most common industries among freelancers in Dusseldorf, Germany who have used Solaris in their recent projects are Information Technology (100%), Telecommunication (100%), and Manufacturing (83%).

The most common business areas among freelancers in Dusseldorf, Germany who have used Solaris in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (83%).

Main locations of FRATCH Experts, who have recently used Solaris

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

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