Wastewater Treatment Experts in Germany
matched in minutes with vetted, available freelance specialistsHire experts who design, optimize and troubleshoot biological treatment, membrane systems and sludge processes across municipal and industrial plants. FRATCH connects you with precisely matched, vetted and available freelancers for fast project support.
Meet FRATCH Experts in Germany, who have recently used Wastewater Treatment
Dr Ing Over D.
Last position:
Pipeline Construction Manager at ILF
ETL 180 - Construction of 90 Km gas pipeline between Hamburg and Bremen. Supervision of welding, pipe lowering, coating, bending work and pressure testing. Quality assurance. Steel pipe with a diameter of 1,4 m and a wall thickness of 21mm.
Volkmar S.
Last position:
Parameterization and support during the commissioning of water treatment at wks GmbH
Parameterization and support during the commissioning of water treatment
Project: New construction of municipal water treatment plant Dörenthe
- Checking the sensors for suitability, installation errors and parameterization.
- Coordination with the PL system for automation.
- Correction of errors
Tools: Endress & Hauser Tools
Normann G.
Last position:
Managing Director / Technology & AI Consultant at Omnia Kassel UG
Managing Director | Omnia Kassel UG
Corporate management, international business development, technology and innovation management
Corporate management and international business development: Strategic and operational management of a technology-oriented consulting company. International B2B business development, development of new business areas, and establishment and maintenance of industrial, technology, and procurement partnerships.
Technology and innovation management: Identification and evaluation of new technologies with regard to technical feasibility, commercial potential, and practical applications. Development of innovative business models, technology transfer, and support for demanding innovation projects.
Development and project management: Design, planning, and management of technical development, procurement, and customer projects. Technical specifications, international supplier selection, coordination of external development partners, and evaluation and implementation of customer-specific solutions.
AI research, systems development, and technology evaluation: Early recognition of the fundamental technological change brought about by generative AI. For around four years, self-initiated, almost daily intensive research, development, and testing work with leading language models, multimodal AI systems, and different model generations. Independent design and testing of around 200 complex AI workflows, multi-agent methods, and book, proposal, and evaluation agents.
AI-supported customer projects and multimodal production: Practical implementation of proprietary and confidential customer assignments in technical design, project development, proposal preparation, specialist texts, and comprehensive documentation. Development and production of texts, images, animations, videos, speech, and avatar applications. A total of around 750 productive work results from various AI-supported projects.
AI quality assurance, process development, and efficiency improvement: Development of multi-stage, cross-model testing and correction procedures with source comparison, independent review, and systematic error analysis. In own task-specific comparative measurements, reduced selected processing times from eight hours to one hour and improved measured accuracy from about 95 % to up to 99 %. Transfer of the findings into productive work processes and commercially usable customer solutions.
Project-based activity and availability: The entrepreneurial activities are organized on a project basis and are not connected with permanent full-time operational utilization. Therefore, there is substantial time available for external consulting, development, and management assignments, including projects with a high workload.
Hermann-Georg I.
Last position:
CSA Lead Manager at SPIE SNG
- Responsible for new Substations Construction for Data Center
- Overall Management with clients
- Interface Management with Stakeholder and contracted EPC Contractors
- Construction Management
- Contractor Management
- Project Coordination
- Project Delivery Management
- Interface Management with internal Parties
- Interface with Local authorities
- Value multi Million USD
Ammar A.
Last position:
Catalyst Track at beVisioneers: The Mercedes-Benz Fellowship
- Developing an industrial wastewater-to-resource venture — environmental compliance plus resource recovery and circular business models for SMEs
Ashley María P.
Last position:
Environmental Specialist at Nehlsen AG
- Supported environmental, quality and safety management systems in industrial waste and wastewater operations.
- Monitored environmental compliance with internal procedures and environmental regulations.
- Evaluated wastewater treatment processes to improve environmental performance and operational efficiency.
- Assisted in investigating process deviations and implementing corrective actions.
- Collaborated with operations and laboratory teams to optimize treatment processes, quality assurance measures, and environmental performance.
Shivani M.
Last position:
Environmental Engineer at Heizkraftwerksgesellschaft Cottbus mbH
- Organization and maintenance of the environmental management system
- Monitoring and updating legally and permit-related required content
- Data maintenance and emissions reporting
Andreas W.
Last position:
Self-employed Software Developer at amw-software.net
Tobias K.
Last position:
Owner / Self-employed at LocalConnect
This is what LocalConnect offers you
- Guaranteed 30+ new guests in just 30 days
- Specifically designed for restaurants, hotels, cafés & bars in the DACH region
- More full tables without discounts
- More regular guests who keep coming back
- More positive Google reviews
- More revenue and profit per guest
- Higher occupancy – even on slow days
- Faster recruitment of qualified staff
- Building your own guest database for follow-up offers
- Fully automated WhatsApp marketing system
- Meta ads for predictable guest acquisition
- WhatsApp newsletter for long-term guest retention
- Recruiting campaigns for new staff
- GDPR-compliant implementation
- Turnkey system – we handle the entire setup
- No tech stress and no extra work
- Measurable results through live tracking
- More predictability, security, and sustainable growth
- You focus on your guests – we'll take care of the rest
Wolfgang S.
Last position:
Software Developer / Aviation Commissioning Engineer at Vakuum Schmelze Hanau
- Development of automation software and commissioning of a pneumatic press for processing electrical sheet stator cores, including KUKA robot handling, process monitoring, and connected measurement systems for quality inspection and sorting.
Ayushi J.
Last position:
Scientific Research Assistant/ Project Engineer at GSU Gesellschaft für Sicherheits- und Umwelttechniken mbH
- Sample preparation according to VDI 3866 and VDI 3492
- Conducting analyses according to VDI 3492
- Quality assurance and compliance with safety standards
- Documentation and report writing
Michael K.
Last position:
Atruvia AG
- Further development of framework components and services in the Enterprise Banking Control Platform (EGP Framework), a set of cross-cutting libraries and services for all bounded context scopes of the platform.
- Migration from Java 17 to Java 21 and from Spring Boot 3.2 to 3.4 in about 80 library and service repositories (updating Maven POMs, Dockerfiles, Jenkins pipelines, source code migration, test updates).
- Writing unit and integration tests with JUnit and JGiven.
- Performing and analyzing performance measurements with Dynatrace.
- Enhancing multi-stage CI/CD pipelines (unit tests, security analyses, Docker builds, Harbor deployments, ...).
- Tech stack used: Java (90%), Python (10%), Spring Boot, JPA/Hibernate, JGiven, OpenAPI, Camunda 7, Podman, OpenShift/Kubernetes, Oracle DB, SonarQube, Dynatrace, Jenkins, Harbor, Bitbucket, Jira, Confluence.
Mwafak K.
Last position:
Project Manager at Public Work Authority/AECOM
- Successfully managed project engineering roles for several large-scale governmental infrastructure projects valued at over USD 400 million, including design, construction, and handover phases for the FIFA World Cup Qatar 2022.
- Oversaw project management, execution, and coordination, including project planning, design review, material approval, progress monitoring, procurement oversight, and cash flow management.
- Ensured fulfillment of contractual obligations through smooth project implementation within schedule, thoroughly reviewing Contractor’s procedures, practices, material submittals, and method statements.
- Reviewed engineering deliverables and initiated corrective actions throughout the project lifecycle.
- Recruited and managed consultant and contractor teams, regularly monitoring their performance.
- Evaluated tenders, prepared evaluation reports to finalize supervisory consultants, and developed professional service agreements.
- Arranged regular progress and design coordination meetings.
- Reviewed Contractor’s variations, financial claims, and extensions of time.
- Coordinated with other government entities and stakeholders.
Keith S.
Last position:
Project Engineer at Sweco GmbH
- Quality control inspections – most notably for an expansive two-kilometre wastewater treatment system including over 20 inspection shafts.
- Budget oversight of multi-million-euro construction projects.
- Concurrent planning of small-scale construction measures and drafting technical reports.
- Reoriented the documentation and record-keeping process of critical documents at a team-wide level.
Hans-Werner M.
Last position:
Green Steel Project Management at Saar Stahl
- Conversion of furnace heating from coke gas to natural gas, followed by conversion to a natural gas/hydrogen mix
- Utility supply and piping (compressed air, cooling water, gas supplies, electrical installation)
- Procurement and negotiations with suppliers
- Reporting to senior management
- Creating layouts and project plans in MS Project
- Budget planning and monitoring
- Creating various specifications and requirements documents
- Topics: steel production, blast furnace, rolling mill, gas burners, hydrogen
Discover over 15,000 top freelancers
Statistics of experts using Wastewater Treatment
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
4 years
Positions per freelancer
11
Top business areas
Project Management, Operations, Quality Assurance
Top industries
Utilities, Manufacturing, Energy
Certification focus areas
Quality Assurance, Sustainability Management, Product Development
Bachelor's degree or higher
95%
Master's degree or higher
62%
Doctorate
29%
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
91%
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 Wastewater Treatment
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.
Wastewater Treatment experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Utilities (74%)
- Manufacturing (65%)
- Energy (52%)
- Construction (43%)
- Automotive (39%)
- Education (39%)
- Chemical (35%)
- Aerospace and Defense (22%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What it covers
Wastewater treatment removes pollutants from municipal sewage and industrial process water before discharge, reuse or further processing. Treatment trains combine physical separation, biological conversion and chemical conditioning to control solids, nutrients, pathogens and difficult compounds. The right design depends on influent quality, discharge targets, site conditions and operating priorities.
Plants and processes
Experts work across complete treatment facilities and individual process stages. Common assignments include:
- Preliminary treatment, screening and grit removal
- Activated sludge, trickling filters and biological nutrient removal
- Membrane bioreactors, ultrafiltration and reverse osmosis
- Sludge thickening, digestion, dewatering and disposal
- Tertiary polishing, disinfection and water reuse
Ecosystem and tools
The field combines process engineering with instrumentation, automation and laboratory analysis. Specialists may work with SCADA systems, PLC control, online sensors, laboratory information systems, hydraulic models and digital process monitoring. They also understand aeration equipment, pumps, clarifiers, membranes, dosing systems and energy use.
When companies need support
Companies bring in freelance expertise during plant design, expansion, commissioning and remediation. External specialists can assess overloaded biological stages, rising energy demand, membrane fouling, poor sludge settling or unstable effluent quality. They also support permit documentation, operating procedures, tender specifications and operator training. In Germany, projects often benefit from professionals who can coordinate clearly with local plant teams and industrial stakeholders.
Typical project outcomes
A wastewater treatment specialist may deliver a process audit, mass balance, equipment specification or optimization plan. Other outputs include control strategies, sampling programs, commissioning records, compliance documentation and maintenance recommendations. Strong professionals connect technical changes to reliable operation, manageable residuals, safety and total operating cost rather than optimizing one process in isolation.
What sets experts apart
The strongest professionals combine field experience with disciplined process analysis. They can interpret laboratory results, trace problems through hydraulics and biology, and explain trade-offs to operators, asset owners and contractors. For remote work, clear data requests, structured reporting and regular video reviews are essential; on-site access remains valuable for inspections, sampling and commissioning. Good experts leave a plant team with practical decisions, usable documentation and a stable process.
Frequently asked questions
Everything clients usually want to know about Wastewater Treatment, in one place.
Wastewater Treatment is used to remove solids, organic matter, nutrients, pathogens and selected chemicals from sewage or industrial water. The treated water can then be discharged safely, reused or sent to an additional polishing stage.
Wastewater treatment focuses on contaminated water after domestic or industrial use, while water purification usually prepares source water for a specific clean-water application. The processes can overlap, but wastewater projects place particular emphasis on biological treatment, sludge handling and variable influent conditions.
A strong Wastewater Treatment specialist often combines process engineering with hydraulics, microbiology, laboratory interpretation and automation. Experience with SCADA, PLCs, sensors, pumps, membranes, sludge systems and regulatory documentation is valuable depending on the plant and assignment.
The required experience depends on the risk and scope of the work. A process review may need a specialist familiar with the relevant treatment stage, while a new plant, difficult industrial effluent or commissioning assignment calls for proven end-to-end delivery and strong site coordination.
Wastewater Treatment work can often be handled remotely for data analysis, process modelling, documentation, tender support and control reviews. Site visits are still important for inspections, sampling, commissioning, operator workshops and problems that cannot be diagnosed reliably from plant records alone.
For Wastewater Treatment projects in Germany, on-site collaboration helps when a plant needs commissioning, sampling, troubleshooting or direct coordination with operators and contractors. Remote delivery can work well for audits and documentation when data is organized and communication is clear; German-language capability may also matter for local teams and records.
Look for evidence of comparable influent conditions, treatment processes and project outcomes rather than broad claims. A capable Wastewater Treatment professional explains assumptions, asks for the right operating data, connects recommendations to measurable process behavior and produces documentation that operators can use.
A Wastewater Treatment assignment may involve incomplete plant data, changing operating conditions and close cooperation with operators, laboratories, equipment suppliers and owners. Specialists should be ready to balance biological performance, safety, maintenance, energy use, sludge handling and discharge requirements while documenting decisions clearly.
The average hourly rate of freelancers in Germany who have used Wastewater Treatment in their recent projects is 103 €, which corresponds to a daily rate of about 825 € based on an 8-hour working day.
Of the freelancers in Germany who have used Wastewater Treatment in their recent projects, 95% hold at least a Bachelor's degree, 62% hold at least a Master's degree, and 29% hold a doctorate.
On average, freelancers in Germany who have used Wastewater Treatment in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 4 years.
The most common languages among freelancers in Germany who have used Wastewater Treatment in their recent projects are German (96%), English (91%), and Spanish (17%).
The most common industries among freelancers in Germany who have used Wastewater Treatment in their recent projects are Utilities (74%), Manufacturing (65%), and Energy (52%).
The most common business areas among freelancers in Germany who have used Wastewater Treatment in their recent projects are Project Management (91%), Operations (83%), and Quality Assurance (74%).
Main locations of FRATCH Experts, who have recently used Wastewater Treatment
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
