Berliner Wasserbetriebe, with approximately 4,900 employees, is one of the largest companies in the water and wastewater sector in Germany. As a company of the city of Berlin, we aim to contribute to the shaping of the vibrant and modern metropolis of Berlin. Berliner Wasserbetriebe is considered a stable business and reliable employer well beyond the city limits.

What You Will Be Doing with Us

Managing a dedicated client base of approximately 300 customers, such as large industrial/commercial enterprises and swimming pools, which do not conform to standard billing procedures and are characterised by a unique, sometimes complex, situation in water supply and/or wastewater disposal.
Determining the annual wastewater volume that the customer demonstrably does not discharge into the sewerage system and carrying out the necessary commercial corrections to the billing.
Conducting on-site inspections.
Evaluating technical documentation and advising on technical solutions for determining drainage volumes.
Analysing the process technologies of industrial and commercial clients.

What You Bring

Bachelor of Engineering in Water Management, Environmental Engineering, Process Engineering, and relevant job-related experience
Alternatively: Technician in the aforementioned fields and relevant job-related experience
Advanced and secure technical knowledge in water management (drinking water production, construction and operation of water treatment and wastewater treatment plants, as well as process-related water treatment plants for technological processes)
Strong knowledge of business metrics and the application of controlling instruments
Highly developed communication skills and a strong service orientation
Ability to work under challenging conditions and willingness to constructively implement feedback
Strong moderation skills and competence in building and maintaining networks

Compensation

We offer a salary in pay group 11 according to the Collective Agreement for Utility Companies (TV-V). Depending on personal qualifications, classification into a lower pay group may be possible.

Reasons to Start Your Career with Us

Continuously developed technologies for Berlin's water cycle
Active research to expand environmental protection
Meaningful responsibilities with commitment and teamwork
Diverse career perspectives and support (e.g., Female Leadership Program, individual development plans, internal training opportunities)
Work-Life Balance: 39-hour week, 30 days of annual leave, with 60% of working time per quarter potentially done remotely, various working time models (e.g., sabbatical, flexitime, 10 additional vacation days through salary conversion, etc.), company pension scheme (VBL), capital-forming benefits (VWL), subsidy for the Germany Job Ticket, corporate benefits, 39 weeks of continued payment in the event of illness, corporate health management (including bike leasing), professional employee counseling for all life situations

Application Information

People with disabilities will be given preferential consideration if equally qualified.
As we aim for equal opportunities and the professional advancement of women, we are particularly interested in applications from women.
Applications from people with immigrant backgrounds are explicitly welcome.
Applications with other qualifications will be reviewed on a case-by-case basis and may be recognised in connection with prior knowledge and work experience.

Your Application

Please apply with your complete application profile (cover letter, CV, certificates, and if applicable, proof of severe disability) by 19.10.2026, citing the job ID via our careers page.

Interviews are expected to commence from week 45.

Berliner Wasserbetriebe

: 1 location

: Environment and natu...

: 1,001 - 5,000employees

: 19 open positions

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Key Account Customer Advisor (m/f/d)

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Key Account Customer Advisor (m/f/d)

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