Mastiony Joseph

Results-driven Operations Manager with over 10 years of progressive experience leading field operations, multi-site project coordination, and cross-functional teams across Kenya and Ethiopia. Proven ability to manage logistics, inventory, and vendor/subcontractor performance while monitoring KPIs, controlling budgets, and enforcing safety and regulatory compliance under tight deadlines. Currently applies the same operational discipline running an independent agribusiness enterprise in Nandi County — overseeing supply chains, labour, and vendor relationships end-to-end.

A Western Kenya native with strong regional ties and community credibility, well positioned to operate effectively in the Kakamega market. Pursuing an MBA and PMP certification to further strengthen strategic operations leadership.

Agribusiness Operator - Self-Employed - North Rift Region, Nandi County

(2023-03)

• Manage end-to-end supply chain operations — input procurement, inventory, planting schedules, labour supervision, and post-harvest distribution logistics across the North Rift region.
• Develop and execute seasonal operational plans, tracking performance against targets and adjusting for resource and market conditions in real time.
• Maintain detailed financial and inventory records, applying cost-control principles to optimise margins and operational efficiency.
• Coordinate hired labour and casual workers on-site, enforcing quality and safety standards consistent with formal HSE practice.
• Liaise with cooperatives, suppliers, and community groups to keep supply and distribution channels reliable.

Project Manager - Adrian Group - Ethiopia Branch, Addis Ababa

(2021-09 - 2023-02)

• Directed operations across multiple concurrent multi-site projects — coordinating staffing, workload allocation, subcontractor logistics, and financial controls under tight timelines.
• Built cost-tracking registers, compliance records, and real-time reporting frameworks that gave leadership accurate operational visibility — directly comparable to KPI monitoring and reporting cadence required in warehousing/logistics operations.
• Managed vendor and subcontractor performance from onboarding through final handover, enforcing technical specifications and inspection standards.
• Led cross-departmental coordination and stakeholder engagement, improving decision-making speed and client satisfaction outcomes.

Radio Network Optimisation Specialist (Freelance) - Independent Contractor - Kenya & East Africa

(2018-01 - 2021-08)

• Coordinated multi-site field operations independently — managing schedules, resource allocation, and quality control from site preparation through commissioning and reporting.
• Supervised and mentored field teams while maintaining rigorous HSE compliance across all sites.
• Built strong client and vendor relationships through responsive, reliable service delivery, earning repeat engagements.

Radio Network Optimisation Engineer - Adrian Group - Kenya, Nairobi

(2015-01 - 2017-12)

• Managed field operations and technical/vendor coordination across GSM, WCDMA, and LTE infrastructure projects.
• Identified operational bottlenecks and implemented corrective solutions that improved incident rates and overall project performance.

ICT Technician - LEPESA SACCO - Kenya

(2013-01 - 2014-12)

• Managed day-to-day ICT operations, systems monitoring, and asset tracking to support uninterrupted business operations.

Master of Business Administration - MBA - Open University of Kenya (2025-01)

Bachelor of Business Information Technology - BBIT - Mount Kenya University (2010-01 - 2014-12)

Diploma in Computer Science & Information Processing - Computer Science & Information Processing - Elgon View College (2005-01 - 2006-12)