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 deliver 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

Seeking an experienced Mechanical/Plumbing Engineer with 7 years of experience to oversee the designs and installation of high-quality building services systems for major seed processing facilities that assist long-term agricultural operations.

Responsibilities

guide Technical Design evaluate & Engineering Oversight

• evaluate and validate designs for plumbing, HVAC/ventilation, fire protection, and water systems, ensuring accuracy, coordination, and constructability.
• deliver technical guidance, resolve design gaps, and approve contractor submissions including materials and method statements.
• track installation quality and ensure compliance with approved designs and engineering standards.

Oversee Construction & System Implementation

• Supervise installation of mechanical and plumbing systems across buildings and external infrastructure (water supply, sewer, drainage, irrigation, and pumping systems).
• perform site inspections to ensure alignment with drawings, specifications, and BoQs.
• Oversee testing and commissioning, verifying system performance prior to handover.

Ensure Quality, Safety & Cross-Disciplinary Coordination

• Enforce quality standards and ensure adherence to safety procedures across all mechanical and plumbing works.
• Inspect materials and installations to ensure compliance with project requirements.
• organize with civil, structural, architectural, and electrical teams to prevent design and installation conflicts.

Drive Technical Problem Solving & Continuous Improvement

• Resolve on-site engineering challenges related to design, installation, and system performance.
• evaluate contractor reports, technical queries, and claims, providing clear engineering recommendations.
• Capture and document lessons learned to enhance future project delivery and technical standards.

Build Team Capability & assist Project Delivery

• deliver technical guidance to contractor teams to ensure high-quality execution.
• assist development of technical documentation, scopes of work, and engineering inputs for projects.
• Contribute to team development and, where applicable, supervise junior engineering staff.

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:

• With 7 years of relevant experience in mechanical/building services engineering with design and construction oversight.
• Bachelor’s degree in Mechanical Engineering, Plumbing Engineering, Building Services Engineering or a related field.
• Professional registration with the Institution of Engineers Rwanda is an added advantage.
• Proficiency in CAD tools (e.g. AutoCAD, Revit MEP) and ability to interpret complex engineering drawings.
• Solid understanding of construction principles, building codes, and occupational health and safety standards.
• Strong knowledge of mechanical and plumbing systems, including water supply, drainage, sewer, HVAC, fire protection, and pumping systems.
• Strong communication skills in English and Kinyarwanda; French is an added advantage.

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 (globalhotline@oneacrefund.org), 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.