The English-language job board for Spain
Wastewater Treatment and Water Network Technician
On-site in Madrid·Full-time·Added 26 days ago
38 open roles
Overview
Job details
Permanent contract
Full-time hours.
Requirements
Have the right to work in Spain
Grupo Ortiz doesn't mention sponsorship in the ad.
Work on-site in Madrid
No relocation package mentioned.
Driving licence
EU licences are valid in Spain; most others only for six months after you become resident.
Vocational training (FP Grado Medio)
“Formación Profesional de Grado Medio o Superior relacionada con Agua y Saneamiento, electromecánica o mantenimiento industrial.” — per the ad.
This job was automatically translated to English.
Pay & benefits
What you'll get
Working hours: Full-time (Mornings)
Stability. Permanent contract with the possibility of subrogation
Grupo Ortiz is firmly committed to diversity and equal opportunities and guarantees that in all its selection processes there will be no discrimination based on race, nationality, gender, sexual orientation or identity, age, marital status, religious beliefs, or disability.
The role
With over 65 years of experience, Grupo Ortiz has established itself as a key player in the construction of sustainable infrastructure globally. With a presence in 12 countries, we specialize in the investment, design, construction, and management of large-scale projects in sectors such as Concessions, Real Estate, Energy, and Infrastructure.
We are looking to hire a Water Networks and Treatment Plant Technician to carry out the maintenance and operation of a Wastewater Treatment Plant (WWTP) located in Casa de Campo.
The selected person will join a specialized technical team, participating in the supervision, control, and maintenance of water treatment processes, guaranteeing the correct functioning of the facilities and compliance with established quality standards.
What you'll do
·Supervision and control of water purification and treatment processes.
·Monitoring of the various treatment stages through SCADA systems.
·Sampling and performance of basic physical-chemical and biological analyses.
·Control and adjustment of chemical reagent dosing according to operational specifications.
·Operation, inspection, and basic maintenance of electromechanical equipment (Pumps, Valves, motors, decanters,)
·Recording and updating of technical documentation (fault reports, maintenance logs, consumption, etc.)
Requirements
·Intermediate or Higher Vocational Training related to Water and Sanitation, electromechanics, or industrial maintenance.
·Previous experience in WWTP, WTP, or facilities related to the water cycle.
Knowledge of operation and maintenance of hydraulic or water treatment facilities.
·SCADA management
·Driver's license
About Grupo Ortiz
Grupo Ortiz is a Spanish construction and infrastructure group headquartered in Madrid, with a strong presence in civil engineering, building rehabilitation, railway infrastructure, and renewable energy projects. The company operates across Spain and internationally, managing large-scale public and private contracts, including high-speed rail lines, electrical substations, and solar photovoltaic plants. With a workforce of several thousand employees, it is a significant player in the Spanish infrastructure sector.
For international professionals, Grupo Ortiz offers opportunities across a wide range of technical and managerial roles, from site management and quality control to engineering and AI. The company's projects are often located across Spain, with offices in Madrid and other regions, and it values technical expertise and safety standards. While the work environment is primarily Spanish-speaking, the scale and diversity of projects provide a solid entry point for those with construction or engineering backgrounds looking to work in Spain.
- Industry
- Construction and Infrastructure
- Founded
- 1940
- Employees
- 1,000–5,000
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
- Website
- grupoortiz.com
Good to know if you are moving
- Grupo Ortiz is a Spanish company, so all roles are based in Spain, primarily in Madrid and other regions.
- The company works on large infrastructure projects, including high-speed rail and renewable energy, offering experience in major public works.
- Most roles require Spanish language proficiency, as the work is project-based and involves local teams and regulations.
- The company has a strong focus on safety and quality, with many roles dedicated to PRL (prevención de riesgos laborales) and quality control.
- International hires may find opportunities in engineering and technical roles, but prior experience in Spanish construction standards is beneficial.
Location
Grupo Ortiz · Madrid
Loads Google Maps, which may set its own cookies.
Tags
More jobs like this
or browse Junior·Construction & Infrastructure·Community of Madrid·Construction and Infrastructure




