**Location:** Sintra, District: LisbonVinculum: CTFP indefinite term (establishment of recruitment reserve)Career/Category: General Careers — Operational AssistantSchedule: Shift work **Salary:** 878.41 €/month (1st position, level 5 TRU) What you will do Operation and monitoring of water and sanitation facilities (intake, treatment, WTP/WWTP) and telemetry: starting machines, readings and records (flow rate, pressure, etc.), adjusting pumps/dosing equipment, minor maintenance and cleaning of equipment/areas, reporting anomalies and energy optimization. Main requirements **Qualifications:** minimum compulsory education (generally 9th grade for younger applicants; 6 years/4th class depending on age) **Skills:** Public Service, Results, Safety, critical analysis and problem solving. Documents to submit (with application) Detailed CV (PDF or JPEG) Certificate of qualifications (PDF or JPEG) Proof of disability ≥60% (if applicable) **Note:** Additional documents such as criminal record certificate and proof of requirements may be requested at a later stage. Selection methods **Practical test (two parts:** Ranholas Reservoir and Cavaleira WWTP) Psychological assessment (Fit/Not Fit)(For candidates with suitable employment status, Curriculum Assessment + Interview may apply, weighted 70/30.)