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Company · Other water & wastewater utilities

Hölscher Wasserbau

As of 3 November 2026, Hölscher Wasserbau has 53 open roles (0 new in 30 days), its construction and civil team is hiring most, and its postings name QGIS, PostGIS and PostgreSQL as the tools the team works in.

As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Haren, Germany501-1000 employees50M-250M revenue, est.B2B, B2Ghoelscher-wasserbau.de ↗LinkedIn ↗
Headquarters
Haren, Niedersachsen, Germany
Employees
501-1000 employees (linkedin)
Sells to
construction industry, municipalities, industrial companies
Certifications on site
ecovadis, iso_50001, ISO 9001
Site languages
DE, EN
Career system
Bite
53open roles · 0 new in 30 days
11tools named in postings
Germanyhiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Hölscher Wasserbau in one screen

Read from hoelscher-wasserbau.de: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Hölscher Wasserbau does

Hölscher Wasserbau is a service company that provides water management for construction, infrastructure and energy projects, serving the construction industry, municipalities and industrial companies. Its offerings include groundwater management, well construction, environmental technology, recharge and monitoring, and geothermal solutions. It operates nationally and internationally.

integrated water management solutionswater neutrality commitment
Whom it sells to

Named on the site: construction industry, municipalities, industrial companies.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 597 scored.

XH2O SolutionsUnited States · 51-200 employeeswelpazm.comZM · 51-200 employeesWestern States WaterUnited States · 51-200 employeesCitycare WaterNew Zealand · 501-1000 employeesHydro-Tech for Environmental SolutionsEG · 51-200 employeesHydro Industries Ltd.United Kingdom · 51-200 employees
03Tech stack, with the evidence

What Hölscher Wasserbau says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

QGISData & AI · high confidence · 2 postings
• Betreuung und Pflege von QGIS-Server-Projekten
GIS-Manager (m/w/d) · first seen 2024-09-27
PostGISData & AI · high confidence · 1 posting
• Organisation und Verwaltung von Geodaten in PostgreSQL (PostGIS)
GIS-Manager (m/w/d) · first seen 2025-01-28
PostgreSQLData & AI · high confidence · 1 posting
• Organisation und Verwaltung von Geodaten in PostgreSQL (PostGIS)
GIS-Manager (m/w/d) · first seen 2025-01-28
Microsoft OfficeConstruction and civil · medium confidence · 14 postings
• Gute MS-Office Kenntnisse
Kaufmännische Assistenz (m/w/d) · first seen 2024-09-27
Microsoft Excelmedium confidence · 3 postings
• MS Office (Excel, Word) Kenntnisse
Werkstudent (m/w/d) · first seen 2025-12-10
Microsoft Wordmedium confidence · 2 postings
• MS Office (Excel, Word) Kenntnisse
Werkstudent (m/w/d) · first seen 2025-12-10
ArcGISmedium confidence · 1 posting
• Kenntnisse in GIS-Anwendungen (QGIS/ArcGIS)
Projektmanagement/-ingenieur Hydro- und Geologie (m/w/d) · first seen 2024-09-27
AutoCADmedium confidence · 1 posting
• Kenntnisse AutoCAD oder andere professionelle CAD-Programme
Projektmanagement/-ingenieur Hydro- und Geologie (m/w/d) · first seen 2024-09-27
PythonData & AI · medium confidence · 1 posting
• Programmierkenntnisse in Python
GIS-Manager (m/w/d) · first seen 2025-01-28
Microsoft Accesslow confidence · 1 posting
• MS Project und MS Access Kenntnisse wünschenswert
Werkstudent (m/w/d) · first seen 2025-12-10
Microsoft Projectlow confidence · 1 posting
• MS Project und MS Access Kenntnisse wünschenswert
Werkstudent (m/w/d) · first seen 2025-12-10
On the website or in DNS

Vendors whose code loads on hoelscher-wasserbau.de or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

Anthropicseen on hoelscher-wasserbau.deAutodeskseen on hoelscher-wasserbau.de
b_iteseen on hoelscher-wasserbau.de
foxitseen on hoelscher-wasserbau.de
haufe_umantisseen on hoelscher-wasserbau.de
hornetsecurityseen on hoelscher-wasserbau.de
Microsoft 365seen on hoelscher-wasserbau.de
04Hiring

53 open roles, 2 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring construction and civil in Germany →

05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Hölscher Wasserbau, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Hölscher Wasserbau to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like Hölscher Wasserbau

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 597 scored.

XH2O SolutionsWater treatment services general · United States51-200 employees
welpazm.comCivil infrastructure contractors · ZM51-200 employees
Western States WaterOther water & wastewater utilities · United States51-200 employees
Citycare WaterWater supply utilities · New Zealand501-1000 employees
Hydro-Tech for Environmental SolutionsWater treatment services general · EG51-200 employees
Hydro Industries Ltd.Water treatment services general · United Kingdom51-200 employees
07Profile

From the company's own website

Legal nameHölscher Wasserbau GmbH
IndustryUtilities & infrastructure · Other water & wastewater utilities
Offeringsintegrated water management solutions · water neutrality commitment
Target customersconstruction industry · municipalities · industrial companies
Geographic scopeinternational · also Austria
Reviews found
Public contact points5 role addresses · 2 phone numbers
Pages readprivacy, terms, team, locations, home, imprint, contact, careers, references, about, certifications
Datescrawled 2026-07-27 · profiled 2026-08-15 · hiring built 2026-10-28
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Hölscher Wasserbau (Haren, Germany, 501-1000 employees) has 53 open roles, 0 new in 30 days, and names 11 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/hoelscher-wasserbau.de)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from hoelscher-wasserbau.de: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Bite career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Hölscher Wasserbau: questions

Does Hölscher Wasserbau use QGIS?

Yes, by the company's own words: 2 postings name it, first seen 2024-09-27, in the data & ai team.

Is Hölscher Wasserbau hiring?

53 open roles as of 3 November 2026, 0 opened in the last 30 days and 0 closed. The largest team hiring is construction and civil.

Where does this profile come from?

From hoelscher-wasserbau.de itself: we crawled it on 2026-07-27, built the profile on 2026-08-15, and read its career site (Bite) hourly since. Headcount is from LinkedIn.

Who should I write to at Hölscher Wasserbau?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 5 public role addresses from the site are there too.

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