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Tanzania Tree Supervisor (Fixed-term)

Songwe, Tanzania or Mbeya, Tanzania or Njombe, Tanzania and Iringa, Tanzania

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.

Our Tanzania program, founded in 2013, supports more than 100,000 farmers with quality farm supplies, as well as fruit trees. Our team in Tanzania is headquartered in Iringa and supported by three smaller offices—Mbeya and Njombe in the southern highlands, and Moshi in the north where the team is focused on expanding our services to new clients. One Acre Fund works in select areas in the Iringa and Mbeya regions, with a growing presence in the country’s north.

About the Role

Seeking a high-energy, strategic Tree Supervisor to drive our Agroforestry and farmer impact initiatives with 2-3+ years of experience in leading and ensuring thousands of farmers successfully adopt and plant high-quality seedlings.

Responsibilities

Seedling Marketing, Distribution & Training

  • Drive Adoption Targets: Plan and execute marketing, enrollment, and distribution strategies across 25–30 sites to meet annual seedling adoption and planting goals.
  • Distribution Planning & Execution: Partner with the Agroforestry Specialist to build distribution schedules and contingency plans for both vendor-supplied and out grower seedlings.
  • Capacity Building: Train temporary staff, Carbon Credits Officers, and farmers on best practices for seedling care, optimal planting windows, and safe handling during transport.
  • Mobilization Leadership: Lead field mobilization efforts to ensure farmers are fully informed, prepared, and equipped to successfully collect their seedlings.

 Data Collection, Auditing & Reporting

  • KPI Stewardship: Own team performance metrics and quality control measures, immediately escalating operational risks to the Agroforestry Specialist.
  • Field Audits: Conduct unannounced field audits to validate data, identify performance variances, and implement swift corrective action plans.
  • Impact Surveys: Lead the execution of tree impact surveys, ensuring field teams meet strict data collection and backcheck targets.
  • Continuous Improvement: Review training materials and translate field insights (successful farmer practices, recurring challenges) into actionable district training plans.

Team Leadership & District Culture

  • People Management: Motivate and manage temporary staff and external stakeholders, fostering a workplace culture rooted in psychological safety, strong customer service, and Diversity, Equity, and Inclusion (DEI) values.
  • Operations Coordination: Lead team meetings, build work plans, manage the performance tracker, and coordinate staff coverage to ensure seamless program continuity.
  • Workforce Administration: Manage temporary staff needs and coordinate with the Agroforestry Specialist on hiring or data changes.

Financial Sustainability

  • Cost Controls: Maintain strict mindfulness of budgets and actively champion cost-control measures across all areas of field management.

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:

Required Education & Experience

  • Education: Advanced Diploma or equivalent degree in a relevant field.
  • Leadership: Proven track record in a management or supervisory role, with experience leading field teams or external stakeholders.
  • Domain Expertise: Practical experience in Agriculture, Agroforestry/Tree Farming, or Community Development initiatives.

Technical & Analytical Skills

  • Tech-Savvy: Highly proficient in modern workplace tools, including computers, email clients, and mobile tablet devices for field operations.
  • Data Literacy: Ability to handle basic data analysis, interpret field metrics, and translate survey results into actionable insights.

Language & Communication

  • Communication: Business-proficient written and spoken English, with the ability to clearly train staff and write concise operational reports.

Preferred Start Date

As soon as possible

Job Location

Songwe, Tanzania or Mbeya, Tanzania or Njombe, Tanzania and Iringa, Tanzania

Benefits

Health insurance, paid time off 

Contract Duration

1 year

Eligibility

This role is only open to citizens or permanent residents of Tanzania

Application Deadline

10 September 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.

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One Acre Fund maintains a strong policy of equal opportunity employment. The following information is used to determine if our equal employment opportunity efforts are reaching all segments of the population. Individuals seeking employment at One Acre Fund are considered without regard to race, color, religion, sex, sexual orientation or identity, national origin, age, disability, veteran status, or any other protected status. Answering this question is voluntary. There will be no impact on your application whether or not you choose not to answer this question. 

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