About One Acre Fund

Founded in 2006, One Acre Fund equips 5.5 million smallholder farmers to make their farms more productive. Across nine countries that together are home to two-thirds of Africa's farmers, we provide high-quality farm supplies, tree seedlings, accessible credit, modern agronomic training, and a wide range of other agricultural services. On average, this model enables any farmer to increase their income and assets on supported land by more than 35 percent, while permanently improving their resilience. This is all made possible by our team of 9,000+ full-time staff, drawn from diverse backgrounds and professions.

To learn more, please see our Why Work Here blog post.

About the Role

You will provide technical authority over all Plumbing/Mechanical systems of the Seed Center to ensure the facility is delivered with reliable, high-quality infrastructure that supports long-term operations. You will safeguard the integrity of building services systems, including water supply, sewer networks, stormwater management, fire protection systems, ventilation, and water storage installations.

The role protects the project from design errors, coordination gaps, construction defects, and commissioning failures by ensuring that construction drawings, contractor installations, and system performance meet the engineering and operational standards expected by the founding partners of the RICA Seed Center.

Responsibilities

Design oversight and Technical review

• Review and validate consultant designs for plumbing, Ventilation, fire protection, bulk water supply, and water storage and pumping systems.
• Identify design inconsistencies, coordination gaps, and constructability issues.
• Issue technical feedback and provide revised sketches or solutions where required to resolve site constraints.
• Review and approve contractor technical submissions including  material submittals, and method statements.
• Monitor installation quality, workmanship, and compliance with approved designs.
• Review contractor reports, technical queries, and claims and provide engineering recommendations.

Construction Oversight

• Oversee installation of plumbing and mechanical systems including domestic water, sewer, stormwater drainage, HVAC and ventilation, fire protection systems, water distribution, storage and pumping installations.
• Supervise external infrastructure including water supply networks, sewer and stormwater systems, irrigation infrastructure, pump stations, and tanks.
• Conduct site inspections to verify compliance with drawings, specifications, BoQs, and engineering standards.
• Oversee testing and commissioning of all mechanical and plumbing systems including plumbing networks, pumping systems, irrigation systems, HVAC systems, and fire protection systems.
• Verify system performance through pressure testing, flow verification, and operational testing prior to handover.
• Confirm commissioning documentation and as-built drawings are complete.

Quality, Safety and Technical Coordination

• Ensure mechanical and plumbing works follow approved safety procedures and method statements.
• Inspect materials and installations to ensure compliance with project quality standards.
• Coordinate mechanical systems with architectural, civil, structural, and electrical works to prevent installation conflicts

Team training and capacity building:

• • Provide technical guidance to contractor teams to ensure correct installation of plumbing and mechanical systems.
  • Document key engineering lessons, technical challenges, and solutions throughout the project.
  • Share knowledge with the internal team to strengthen capacity building  for managing large infrastructure projects.
  • Support the development or review of technical documentation including scopes of work, terms of reference, and engineering studies when required.

Career Growth and Development

We have a strong culture of constant learning and we invest in developing our people. You’ll have weekly check-ins with your manager, access to mentorship and training programs, and regular feedback on your performance. We hold career reviews every six months, and set aside time to discuss your aspirations and career goals. You’ll have the opportunity to shape a growing organization and build a rewarding long-term career.

Qualifications

Across all roles, these are the general qualifications we look for. For this role specifically, you will have:

Skills and qualifications:

• Minimum 7 years of relevant experience in mechanical or building services engineering with significant involvement in design and construction oversight.
• Strong technical expertise in building services engineering and mechanical infrastructure systems.
• Demonstrated experience supervising installation of large-scale mechanical and plumbing systems within complex construction projects.
• Ability to review and validate engineering designs and construction drawings,  technical calculations, and contractor submissions.
• Experience overseeing commissioning and system performance testing.
• Strong problem-solving skills and ability to resolve design or construction issues directly on site.
• Working knowledge of occupational health and safety standards applicable to building services construction activities.
• An understanding of construction principles, building codes, and regulations.
• Advanced in Computer Aided Design (CAD) programs used in building Services Engineering ( Autocad, Revit MEP, etc…)
• Fluency in spoken and written Kinyarwanda and English. Knowledge of French is an added advantage.
• Bachelor’s degree in building Services Engineering, Plumbing Engineering or Mechanical Engineering

Licenses (Added advantage):

Registered and with a valid certificate of Institution of Engineers of Rwanda

Preferred Start Date

As soon as possible

Job Location

Bugesera, Rwanda

Benefits

Health insurance, paid time off 

Contract Duration

1 year

Eligibility

This role is only open to citizens or permanent residents of Rwanda.

Application Deadline

21 June 2026. Please note that we hire on a rolling basis which means that applications are reviewed and processed on a continuous basis until a hire is made.

One Acre Fund never asks candidates to pay any money or pay for tests at any stage of the interview process. Official One Acre Fund emails will always arrive from an @oneacrefund.org address. Please report any suspicious communication here ([email protected]), but do not send applications or application materials to this email address.

Diversity, Equity, Inclusion (DEI), and anti-racism are deeply connected to our organization’s mission and purpose. One Acre Fund aspires to build a culture where all staff feel consistently valued, represented, and connected – so that our team can thrive as professionals, and achieve exceptional impact for the farmers we serve.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender, gender identity or expression. We are proud to be an equal opportunity workplace.