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

Responsibilities

Strategic Sourcing & Market Research 

• Conduct market research to ensure all goods and services are sourced at the best possible value for money.
• Perform continuous research to expand and reinforce the organization’s supplier database.
• Assess market price trends to quantify and report financial savings achieved by the team.
• Eliminate middlemen by identifying and building direct, strategic partnerships with upstream suppliers.

Purchasing & Negotiation

• Manage the end-to-end purchase cycle for the Zambia program, including RFQs, supplier evaluation, selection, and purchasing
• Negotiate competitive pricing and payment terms to secure significant cost savings.
• Coordinate with the Finance team to ensure timely payment to all suppliers.
• Support broader procurement goals through specialized category management activities.

Deliveries and Stakeholder Communication

• Ensure timely delivery of goods and services according to agreed timelines.
• Collect and submit all required procurement documentation accurately and on time.
• Drive customer satisfaction by providing proactive, consistent updates to internal clients regarding their requests.

Systems, Processes & Catalog Excellence

• Support procurement planning with internal teams.
• Contribute to process improvements that enhance purchasing efficiency and accuracy.
• Ensure clarity and standardization in purchase requests.
• Take full ownership of the Zambia Vendor Catalog, including data entry, contact maintenance, and quarterly audits.
• Streamline the catalog by identifying active vendors and eliminating inactive or redundant entries

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: Degree in Procurement, Supply Chain Management, Logistics, or a related field.
• Fully registered and valid practicing license from the Zambia Institute of Purchasing and Supply (ZIPS)
• Experience: Minimum 3+ years in a procurement role
• ERP Proficiency: Experience working within SAP or a similar enterprise resource planning system is essential.
• Regulatory Knowledge: Deep understanding of the Zambian market and local procurement regulations.

Core Skills & Competencies

• Strategic Negotiation: The ability to influence vendors and secure terms that favor the organization's bottom line.
• Data-Driven Analysis: Proficiency in using market data to estimate savings and drive purchasing decisions.

Preferred Start Date

As soon as possible

Job Location

Lusaka, Zambia

Benefits

Health insurance, paid time off 

Contract Duration

1-year Renewable 

Eligibility

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

Application Deadline

21 July 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.

About the company: 

The mining industry has steadily become worse at finding new ore deposits, requiring >10X more capital to make discoveries compared to 30 years ago. The easy-to-find, near-surface deposits have largely been found, and the industry has chronically under-invested in new exploration technology, relying on the manual techniques of yesteryear – even as demand accelerates for copper, lithium, and other metals to build electric vehicles, renewable energy, and data centers.

KoBold builds AI models for mineral exploration and deploys those models—alongside our novel sensors—to guide decisions on KoBold-owned-and-operated exploration programs. In the six years since founding, KoBold has become by far both the largest independent mineral exploration company and the largest exploration technology developer. Our data scientists and software engineers, who come from leading technology companies, jointly lead exploration programs with our renowned exploration geologists.

KoBold has proven its first discovery with materially less capital than the industry average and found one of the best copper deposits ever discovered: the copper is far more concentrated than the global average of copper mines, and this asset alone is expected to generate meaningful revenue for decades. KoBold has a portfolio of more than 60 other projects, each of which has the potential for another high-quality discovery.

KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, and Standard Investments; and natural resources companies Equinor, BHP, and Mitsubishi.

About the role

KoBold Metals is seeking a highly skilled Executive Assistant to provide dedicated support. This role is for someone who has already mastered executive support at the highest level and thrives in a fast-moving, high-impact environment.

You’ll manage two busy calendars, coordinate travel and meetings across multiple time zones, and make sure your executives are always prepared and on time. You should be comfortable adapting on the fly and willing to step in during evenings and weekends when needed.

We are a Slack-first culture, which means most of our communication happens there rather than over email. You don’t need prior Slack experience, but you must be comfortable communicating quickly and clearly in a fast-paced setting.

This is a tactical, execution-focused role that’s ideal for someone who loves details, stays calm under pressure, and enjoys keeping things running smoothly behind the scenes.

Responsibilities

Executive and Administrative Support

• Manage complex calendars, scheduling meetings, events, and calls across multiple time zones.
• Prioritize requests and ensure the CEO’s time is allocated to the highest-value activities.
• Prepare meeting materials, agendas, presentations, and follow-up summaries.
• Handle confidential and sensitive information with absolute discretion.
• Act as the main point of contact between the CEO and internal/external stakeholders, ensuring clear, timely, and professional communication.
• Anticipate needs, proactively manage priorities, and remove administrative barriers to help the CEO stay focused on key strategic goals.
• Maintain accurate filing systems and digital records for the CEO’s office.

Travel and Visa Coordination

• Plan and manage domestic and international travel, including flights, accommodations, transport, and itineraries.
• Prepare comprehensive travel packs with schedules, documents, and contact lists.
• Coordinate visa applications, renewals, and compliance documentation with country managers and travel agencies.
• Support logistics for site visits, board meetings, investor meetings, and events.
• Track and reconcile travel-related expenses in alignment with company policy.

Communications and Coordination

• Review, triage, and draft responses to incoming correspondence and emails.
• Serve as liaison between the CEO and internal/external stakeholders to ensure priorities are clear and aligned.
• Manage scheduling and logistics for cross-functional and leadership team meetings.
• Assist in preparing executive presentations for internal and external engagements.
• Support the coordination of high-level company events, retreats, and offsites.
• Manage and recommend CEO’s social media presence
• Curate CEO’s event optics and prepare briefs and short scripts on industry topics and relevant persons

Special Projects

• Support the CEO with ad hoc projects, including research, briefings, and data consolidation.
• Track progress and deliverables for strategic initiatives.
• Coordinate with communications or HR teams for executive updates, announcements, or speaking engagements.
• Provide personal assistance where required (e.g., household logistics, special events, and personal travel coordination).

Qualifications

• Seven + years of solid experience supporting a CEO, SVP or C-suite executive in a fast-paced finance or tech environment with great references
• Advanced proficiency in G Suite (Docs, Sheets, Calendar, Slides), Slack, and Microsoft Office.
• Experience working in multinational, tech-driven, or mining environments is an advantage.
• Ability to work flexible hours and occasionally travel on short notices
• Strong organizational, analytical, and problem-solving skills.
• Ability to manage sensitive and confidential matters with utmost integrity.
• Mining industry trends and intelligence an advantage

KoBold Metals is an equal opportunity workplace and an affirmative-action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status.

This position is full-time contract.

Location: Lusaka. All candidates must be legally authorized to work in the Zambia.