
Hydrological Assistant III – WRA Grade 9 (4 Posts)
Water Resources Authority · Nairobi · Onsite
Job Description
The Water Resources Authority is recruiting Hydrological Assistant III officers to support field hydrological monitoring and surface water data collection activities.
This entry-level role is suitable for diploma holders with an interest in hydrology, water resources assessment, and environmental monitoring. Successful candidates will assist in maintenance of hydrological stations, river flow measurements, and digitization of hydrological data.
The role offers practical exposure to hydrological field operations and provides an opportunity to contribute to water resources management and flood monitoring initiatives.
Responsibilities
- Preparing sites and equipment for hydrological installations.
- Maintaining hydrological monitoring stations.
- Carrying out river flow gauging activities.
- Verifying hydrological data accuracy.
- Receiving and digitizing field data.
- Supporting surface water assessments.
- Assisting in identification of hydrological issues.
- Maintaining field equipment and records.
Requirements
- Diploma in Hydrology, Surface Water Technology, Water and Environmental Engineering, Water Engineering, or equivalent qualification.
- Proficiency in computer applications.
- Ability to work in field conditions.
- Good technical and teamwork skills.
What is Offered
- Practical technical training.
- Permanent and pensionable employment.
- Exposure to field hydrology operations.
- Professional mentorship opportunities.
- Competitive remuneration package.
How to Apply
Applications should be submitted online through the WRA website before 1st June 2026.
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LIKELY QUESTIONS - Can you walk us through your diploma training and explain how it prepared you for hydrological monitoring and surface water data collection? - What steps would you take to prepare a site and equipment for installation of a hydrological monitoring station? - Describe how you would carry out a river flow gauging exercise and ensure the measurements are accurate. - How would you maintain a hydrological station in the field and identify faults or issues early? - Tell us about your experience with recording, verifying, and digitizing field data using computer applications. - This role involves working in remote and sometimes difficult field conditions. How do you manage safety, productivity, and teamwork in such environments? - If you noticed inconsistencies between field notes, gauge readings, and digitized data, how would you investigate and resolve them? - Why do you want to join the Water Resources Authority as a Hydrological Assistant III, and how does this role fit your long-term career goals? BEHAVIOURAL QUESTIONS - Tell us about a time you worked as part of a team to complete a technical field assignment under tight timelines. Model approach: Situation - Briefly describe the field or practical assignment, the deadline, and team setup. Task - Explain your responsibility, such as measurements, equipment setup, or recording results. Action - Show how you coordinated with others, communicated clearly, adapted to challenges, and ensured quality. Result - End with timely completion, accurate output, and what you learned about teamwork in field operations. - Describe a time when you found an error in technical data or records. Model approach: Situation - Mention the context, such as lab data, survey records, or field sheets. Task - State your duty to confirm data quality. Action - Explain how you checked source records, compared entries, corrected the error, and informed the relevant person. Result - Highlight improved accuracy, prevention of wrong reporting, and your attention to detail. - Give an example of a time you had to work in challenging outdoor conditions. Model approach: Situation - Set out the location and challenge, such as bad weather, rough terrain, or limited resources. Task - Clarify what had to be completed despite the conditions. Action - Describe how you followed safety procedures, stayed organized, protected equipment, and completed the task. Result - Show that the work was completed safely and effectively, demonstrating resilience and field readiness. - Tell us about a time you learned to use a new tool, system, or technical process quickly. Model approach: Situation - Identify the new software, instrument, or procedure. Task - Explain why you needed to learn it quickly. Action - Describe how you sought guidance, practiced, asked questions, reviewed instructions, and applied it carefully. Result - Conclude with successful use of the tool, improved efficiency, and willingness to learn on the job. SMART QUESTIONS TO ASK - What does success look like in the first six to twelve months for a Hydrological Assistant III in this department? - What types of hydrological stations, gauging methods, and data systems does the Authority currently use most often? - How is field work scheduled across seasons, especially during flood monitoring periods or peak rainfall events? - What training and mentorship are provided to help new officers strengthen their skills in gauging, station maintenance, and data management? - Are there clear progression pathways from Hydrological Assistant III into more specialized hydrology or water resources assessment roles within WRA? RED FLAGS TO WATCH FOR - Vague answers about safety procedures, field allowances, transport, or protective equipment for remote field assignments. - No clear explanation of training, supervision, or how data quality is checked before field data is used for reporting or decision-making. - Unrealistic expectations about workload, travel, or emergency response duties without corresponding support, staffing, or compensation.
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Adjacent Career Paths
Roles you'd also qualify for based on this posting's requirements:
- Hydrology Technician — The role closely matches hands-on river gauging, station maintenance, and hydrological data collection duties.
- Water Resources Field Assistant — This candidate is prepared for field monitoring and support work in water resources assessment and surface water studies.
- Environmental Monitoring Assistant — Their training and field data skills transfer well to environmental sampling, equipment checks, and record keeping.
- GIS and Water Data Assistant — Experience digitizing hydrological data and using computer applications supports entry-level water data and mapping work.