Who is Water Mission?

Water Mission is a rapidly growing Christian engineering nonprofit working to end the global water crisis by building safe water, sanitation, and hygiene solutions in developing nations and disaster areas. Guided by love, excellence, and integrity, we are driven to share clean, safe water and God’s love with all. To date, we have s...

Office Assistant, Makueni

Job Purpose

The Office Assistant ensures efficient administrative operations, accurate record-keeping, effective communication, and logistical support for the entire organization. The role maintains office systems, manages documentation, and facilitates smooth coordination between departments.

The role reports to the Finance Officer.

Key Responsibilities

Office Management

• Manage daily office operations, correspondence, and filing systems.
• Maintain office supplies, assets, and inventory registers.
• Ensure orderly office environment and staff coordination.

Administrative Support

• Prepare documents, schedules, and communication on behalf of management.
• Support HR functions including leave records, staff files, and induction processes.
• Support meeting arrangements, minutes, and logistics.

Procurement & Logistics

• Support procurement documentation and vendor coordination.
• Arrange travel logistics for field teams and visitors.
• Maintain procurement registers and inventory controls.

Customer & Stakeholder Reception

• Receive clients and direct them to relevant departments.
• Manage incoming calls, emails, and official inquiries.

Qualifications & Experience

• Diploma or Degree in Business Administration or related field.
• Minimum 2 years’ administrative experience.
• Proficiency in MS Office and office management systems.

Competencies & Personal Attributes

• Excellent organizational and communication skills.
• Confidentiality, integrity, and professionalism.
• Strong attention to detail.

Faith & Culture Alignment

• A personal and growing relationship with Jesus Christ.
• Alignment with Water Mission’s Statement of Faith and core values of Love, Excellence, and Integrity.

• Manage daily office operations, correspondence, and filing systems.
• Maintain office supplies, assets, and inventory registers.
• Ensure orderly office environment and staff coordination.
• Prepare documents, schedules, and communication on behalf of management.
• Support HR functions including leave records, staff files, and induction processes.
• Support meeting arrangements, minutes, and logistics.
• Support procurement documentation and vendor coordination.
• Arrange travel logistics for field teams and visitors.
• Maintain procurement registers and inventory controls.
• Receive clients and direct them to relevant departments.
• Manage incoming calls, emails, and official inquiries.

• Proficiency in MS Office and office management systems.
• Excellent organizational and communication skills.
• Confidentiality, integrity, and professionalism.
• Strong attention to detail.

• Diploma or Degree in Business Administration or related field.
• Minimum 2 years’ administrative experience.