Solaris Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used Solaris
Alwin G.
Last position:
IT Interim Manager & AI Strategist
- AI product development: Design of an AI-supported GRC platform to automate compliance processes.
- AI expertise: Strategic deepening in Agentic AI and GenAI as a core asset for modern IT governance
- IT interim management and strategic consulting
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
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
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
Michael Lang
Last position:
Project Manager (Interim) at medi GmbH
- Contract negotiations with Infor
- Implementation of Infor LN Cloud "Finance" in 10 countries in Europe within 6 months
- Implementation (ongoing) of materials management, purchasing and sales in 16 countries worldwide
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
Werner Hendricks
Last position:
Insurance
- Migrations of DB2 databases to Oracle
- Design and creation of new databases based on ODA X7-HA / X9-HA RAC 12cR2 - 19.23 / Data Guard / Grid Infrastructure 19c
- Hardware: ODA X7 X9 / IBM
- Software: Oracle 12c-19.23 / Oracle Linux Enterprise 7.1–8.8
Discover over 15,000 top freelancers
Statistics of experts using Solaris
Aggregated from the professional profiles of matched freelancers.
Experience
34 years (Germany: 30 years)
Position duration
1.9 years (Germany: 3.5 years)
Positions per freelancer
25 (Germany: 21)
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
60% (Germany: 75%)
Master's degree or higher
20% (Germany: 43%)
Certifications per freelancer
6 (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
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 Solaris
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
Solaris in practice
Solaris is a Unix operating system for demanding enterprise servers. It is still used where long-lived stability, tight resource control, and careful administration matter. Companies bring in experts to keep core services running, modernize older estates, or plan migrations without risk.
Typical work
- System setup, hardening, and patch planning
- Zones, ZFS, and service management with SMF
- Networking, storage, and performance tuning
- Support for Oracle Solaris and Sun Solaris estates
Skills that matter
Strong Solaris professionals know the OS, the shell, and the tooling around it. They work confidently with ZFS snapshots, zones, package management, boot and service recovery, and diagnostic logs. They also understand how Solaris fits into larger Unix and Oracle environments.
When to hire
Bring in freelance expertise when a platform is old, critical, or poorly documented. That is common during incident recovery, upgrades, security cleanup, and handovers after staff changes. In Essen, this is often relevant for industrial and enterprise systems that still depend on stable Unix infrastructure.
What strong experts do
Good specialists do more than restart services. They trace root causes, document changes, and leave systems easier to support. They know how to work with legacy scripts, unusual storage layouts, and strict change windows without making assumptions.
Local collaboration
Solaris work can be done remotely when access, logging, and change control are in place. On-site support in Essen helps when there is hardware handling, sensitive operations, or close coordination with internal teams. Clear German or English communication is usually enough for most projects.
Frequently asked questions
Need clarity? These are the questions we hear most often about Solaris.
Solaris is used to run stable enterprise workloads on Unix servers, especially systems that need careful storage, service control, and long uptime. It often appears in legacy environments, database hosts, and infrastructure that was built to stay in service for a long time.
Solaris is the name many people still use for the platform, while Oracle Solaris is the current vendor name and Sun Solaris is the older one many searchers remember. In practice, companies usually mean the same operating system family and its administration stack.
A strong Solaris specialist should be comfortable with ZFS, zones, SMF, networking, shell scripting, and log analysis. Knowledge of Oracle databases, Unix change control, and storage or backup tooling is often useful too.
Solaris is often chosen for existing estates where the operating model, tooling, and service layout are already built around it. Linux is more common for new builds, but Solaris still matters when stability, compatibility, and controlled administration are the main goals.
A Solaris project usually needs someone who has already worked on live systems, not just lab setups. For migrations, incident recovery, or patching on critical hosts, hands-on experience with the exact Solaris release and surrounding services matters more than broad theory.
Yes, much Solaris work can be handled remotely if console access, monitoring, and change procedures are clear. On-site help in Essen is useful when hardware, local approvals, or sensitive operational steps need direct coordination.
Look for specific examples of Solaris systems they have supported, the problems they solved, and the tools they used. Good signs are clear documentation, careful rollback planning, and a calm approach to recovery and change work.
Companies usually call Solaris experts when a system becomes hard to patch, a service fails after a change, or a migration has to be planned without downtime surprises. They are also brought in to clean up old scripts, storage issues, and unclear ownership around legacy hosts.
The average hourly rate of freelancers in Essen, Germany who have used Solaris in their recent projects is 116 €, which corresponds to a daily rate of about 929 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Solaris in their recent projects, 60% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Solaris in their recent projects have 34 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Essen, Germany who have used Solaris in their recent projects are German (100%), English (100%), and French (43%).
The most common industries among freelancers in Essen, Germany who have used Solaris in their recent projects are Information Technology (100%), Manufacturing (100%), and Banking and Finance (86%).
The most common business areas among freelancers in Essen, Germany who have used Solaris in their recent projects are Information Technology (100%), Operations (100%), and Project Management (100%).
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 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
