Assistant Technical Designer - Greenhouse/Irrigation

Job Responsibilities

 Greenhouse & Irrigation System Design

• Assist in the design and preparation of technical solutions for greenhouse and irrigation projects.
• Prepare irrigation system layouts based on crop requirements, Farm/site characteristics, water source and availability, required irrigation method, required flow rates and pressures, farm size and topography, customer requirements, available irrigation equipment.
• Assist with the design of various irrigation systems, including where applicable, drip irrigation, sprinkler irrigation, micro-irrigation, fertigation systems, pumping systems, filtration systems, water distribution systems and irrigation networks for greenhouse projects.
• Support technical calculations including pipe sizing, flow requirements, pressure requirements and basic hydraulic calculations.
• Assist in selecting appropriate irrigation components and equipment based on system requirements.
• Support greenhouse structural design and layout for commercially available covered farming structures.
• Ensure designs are practical, technically sound and suitable for installation and operation.
• Review designs with the Senior Technical Designer before submission to customers or implementation teams.

AutoCAD & Technical Draughting

• Prepare accurate technical drawings using AutoCAD or other approved CAD software.
• Produce greenhouse and irrigation drawings based on approved designs and site information.
• Prepare, revise and maintain site layouts, Irrigation layouts, Greenhouse layouts, Pipe network drawings, equipment layouts, pump and filtration arrangements, system schematics, Installation drawings.
• Incorporate engineering and technical specifications into drawings.
• Ensure drawings contain appropriate dimensions, legends, notes, symbols, equipment references and revision information.
• Maintain drawing accuracy and consistency across different project documents.
• Make design amendments and revisions based on technical reviews, site conditions or customer requirements.
• Ensure only approved and current drawings are issued for project execution.
• Maintain proper electronic and physical filing of drawings and design documents.

Site Surveys & Technical Verification

• Participate in site visits and surveys for greenhouse and irrigation projects.
• Collect and verify technical information required for design, including site dimensions, topography, water source, water availability, existing infrastructure, pumping arrangements, power availability, farm layout, crop requirements, proposed greenhouse location etc.
• Take accurate measurements and ensure that site information used in drawings is reliable.
• Identify site constraints that may affect design, installation or project cost.
• Liaise with sales, agronomy, project and technical teams to obtain missing project information.
• Update designs where actual site conditions differ from initial assumptions.

Bill of Quantities (BOQ) Preparation

• Prepare detailed Bills of Quantities for greenhouse and irrigation projects.
• Accurately determine quantities of pipes, fittings, valves, filters, pumps, drippers, sprinklers, fertigation equipment, greenhouse structures, covering materials, irrigation accessories, electrical/control components where applicable, installation materials and other project-specific components.
• Ensure BOQs are based on approved technical drawings and specifications.
• Cross-check BOQs against drawings to ensure completeness and accuracy.
• Identify omissions, duplication or inconsistencies before submission.
• Update BOQs following design changes.
• Maintain standard BOQ templates and item descriptions where applicable.
• Work closely with Procurement, Sales, Finance and Project teams where pricing or product information is required.

Cost Estimation & Quotations

• Prepare detailed project cost estimates based on approved designs and BOQs.
• Assist in preparation of customer quotations for greenhouse and irrigation projects.
• Ensure that all major project cost components are captured.
• Obtain and verify applicable product prices and technical specifications.
• Assist in costing of equipment, materials, structures & accessories, installation requirements and other project-related costs.
• Identify opportunities to optimise project costs without compromising technical integrity or quality.
• Ensure quotation inputs are consistent with approved technical designs and BOQs.
• Support revisions to quotations resulting from changes in scope or customer requirements.
• Maintain confidentiality and accuracy of costing information.

Technical Documentation & Drawing Management

• Maintain an organised technical documentation system for all assigned projects.
• Maintain current versions of drawings, BOQs, cost estimates, technical specifications, site survey information, project revisions.
• Maintain project documentation in accordance with Amiran Kenya's document-control procedures.
• Support preparation of technical reports and project documentation.

 Project Technical Support

• Provide technical support during project implementation.
• Clarify technical drawings and specifications to project implementation teams.
• Support resolution of technical queries arising during installation.
• Liaise with project teams to identify design-related challenges.
• Support technical inspections and verification of installed systems.
• Assist in identifying deviations between approved designs and actual installations.
• Support preparation of technical modifications where required.
• Participate in project review meetings where technical input is required.
• Support commissioning activities and technical handover where assigned.

Technical & Application Support

• Provide technical information on greenhouse structures and irrigation equipment.
• Support the Sales and Business Development teams with technical information during customer engagements.
• Explain technical features, applications, limitations and appropriate use of greenhouse and irrigation products.
• Assist in matching customer requirements with appropriate technical solutions.
• Support preparation of technical proposals and presentations.
• Assist in responding to customer technical queries.
• Keep abreast of new greenhouse, irrigation, fertigation and agricultural infrastructure technologies.
• Develop and maintain knowledge of Amiran's available greenhouse and irrigation product portfolio.

Training & Knowledge Transfer

• Where applicable, assist in providing technical training to sales teams, project implementation teams, installation teams, other relevant stakeholders.

Quality Assurance & Compliance

• Ensure technical drawings and designs meet approved company standards.
• Conduct quality checks before releasing drawings and BOQs.
• Verify that design outputs correspond with customer requirements and approved project scope.
• Ensure technical documentation is complete and traceable.
• Escalate technical risks or design discrepancies to the Senior Technical Designer.
• Comply with applicable company procedures, health and safety requirements and relevant technical standards.
• Maintain professional and ethical standards in technical design and costing activities

Other Requirements

MINIMUM ACADEMIC QUALIFICATIONS

Minimum: Bachelor's Degree in one of the following or a closely related discipline:

• Agricultural Engineering.
• Irrigation Engineering.
• Water Engineering.
• Civil Engineering.
• Mechanical Engineering.
• Agricultural Technology/Engineering.
• Other relevant technical engineering discipline.

Preferred: Bachelor's Degree in Agricultural Engineering, Irrigation Engineering, Water Engineering, Civil Engineering or a closely related field.

Additional training/certification in CAD, irrigation design, hydraulics, greenhouse technology or project management will be an advantage.

PROFESSIONAL EXPERIENCE

Minimum Experience: 2–3 years of relevant professional experience in technical design, irrigation, greenhouse systems, agricultural engineering, CAD draughting, project estimation or a closely related field.

Preferred Experience – The ideal candidate should have practical exposure to:

• Irrigation system design.
• AutoCAD/CAD draughting.
• BOQ preparation.
• Cost estimation.
• Technical quotations.
• Greenhouse design or installation.
• Irrigation equipment.
• Hydraulic systems.
• Pump and filtration systems.
• Site surveys.
• Agricultural projects.
• Technical project support.

PROFESSIONAL CERTIFICATION & MEMBERSHIP

Where applicable, membership or eligibility for membership of a recognised professional body relevant to the candidate's discipline will be an added advantage.

Relevant professional development or certification in:

• Irrigation design.
• CAD/AutoCAD.
• Agricultural engineering.
• Greenhouse technology.
• Hydraulic design.
• Project management skills will also be advantageous.

TECHNICAL COMPETENCIES

Essential AutoCAD/CAD

• Ability to prepare professional 2D technical drawings.
• Ability to interpret and modify technical drawings.
• Ability to maintain drawing standards and revision control.

Irrigation Design

• Understanding of irrigation system principles.
• Ability to develop irrigation layouts.
• Basic hydraulic calculations.
• Pipe sizing.
• Flow and pressure calculations.
• Irrigation equipment selection.

BOQ Preparation

• Accurate quantity take-offs.
• Preparation of detailed material schedules.
• Cross-checking drawings against BOQs.
• Preparation of project cost estimates.
• Understanding of material and equipment pricing.
• Preparation of technical inputs for quotations.

Computer Skills

• Irrigation design software.
• Hydraulic modelling software.
• 3D CAD/design software.
• GIS/GPS applications.
• Project management software.
• Greenhouse design software.
• Knowledge of fertigation systems.
• Knowledge of pumps, filtration and water treatment systems.

Method of application

If you are interested and qualified, kindly submit your application via the link provided below,

https://www.racg.co.ke/html/?p=careers&utm_source=Jobinkenya

Deadline September 4, 2026