PETER NG’ANG’A KARIUKI
Ngewa
Summary
Results-driven Senior Maintenance Engineer and Project Manager with 15+ years of expertise in geothermal drilling rig maintenance, power generation, and compliance. Proven leadership in optimizing equipment reliability, implementing predictive maintenance strategies, and ensuring HSE adherence. Adept at cross-functional collaboration, procurement, and mentoring teams. NZQA-recognized qualifications with a strong focus on sustainable energy solutions.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Senior Rig Maintenance Engineer
GEOTHERMAL DEVELOPMENT COMPANY
01.2010 - Current
- Spearhead maintenance programs for geothermal drilling rigs equipments, reducing downtime NPT (non productive time) by 30% through predictive strategies (oil analysis, thermography).
- Lead a team of 16+ engineers/technicians running 4 complete shift; mentor staff in safety protocols and compliance standards.
- Manage procurement (USD 2M+ annual budget), developing technical specs for tendering, chairing tender evaluation and carrying out inspection and acceptance committees for rig equipment/spares/earth moving equipments.
- Implemented ERP system for spare parts tracking, cutting downtime NPT (Non Productive time by 15%).
Rig Maintenance Engineer
GEOTHERMAL DEVELOPMENT COMPANY
01.2016 - 12.2020
- Overhauled preventive maintenance schedules, boosting equipment reliability and ensuring 95% availability of drilling equipment’s.
- Collaborated with international vendors China (rig manufactures) for specialized repairs.
Rig Maintenance Superintendent
GEOTHERMAL DEVELOPMENT COMPANY
01.2010 - 12.2015
- Maintained geothermal drilling equipment’s, ensuring 98% uptime for remote drilling rigs and camps.
- Planning and executing Preventive, predictive and corrective maintenance.
Design & Project Manager (Renewable Energy)
CEPHAS VENTURES ENTERPRISES
01.2007 - 04.2010
- Designed manual drilling rigs/waterfall pumps, improving rural water access.
- Conducted technical and financial feasibility assessments for renewable energy projects, ensuring both environmental sustainability and profitability.
- Supervised project construction, commissioning, and customer training for completed installations.
- Managed procurement, costings, and developed detailed project documentation for each new initiative.
Service Advisor / Workshop Supervisor
CMC Motors Group Ltd
07.2004 - 12.2006
- Oversaw workshop performance, ensuring quality control for repairs and maintenance across a range of vehicles, including Land Rover, Mercedes Benz, and Nissan.
- Provided technical support and training to dealers and customers, enhancing service delivery.
Education
MSc - Strategic Management
Jomo Kenyatta University
12.2025
BSc - Industrial Technology
Egerton University
01.2012
Diploma in Mechanical Engineering -
Jomo Kenyatta University
01.2002
Skills
- Geothermal drilling rigs
- Diesel generators
- Hydraulic systems
- Electrical systems
- Fluid pumping system
- Tender management
- ERP systems
- Inventory optimization
- Oil analysis
- Thermography
- Vibration monitoring
- OSHA
- HSE audits
- Risk mitigation
- Culture change leadership
- AutoCAD
- Autodesk Inventor
- Microsoft Office
- Board governance
- Team mentoring
Affiliations
- Member, Engineering New Zealand, 2026794
- Registered Professional Engineering Technologist (Mechanical), KETRB, Kenya
- OSHA Safety Committee Member, Menengai Geothermal Project
Certification
- Asset Management (Geothermal Drilling), JRG Energy & MB Century, NZ, 2024
- Project Management, Corporate Staffing Services, 2022
- Transformative Leadership, Kenya School of Government, 2022
- Supervisory Skills Development, Kenya School of Government, 2022
References
- Johnstone Maleche, Manager – Drilling Equipment Maintenance, Geothermal Development Company, P.O. Box 100746, Nairobi, Kenya, 00100, jmaleche@gdc.co.ke, 0720 853 488
- Stephen Kangogo, Deputy Manager – Drilling Operations, Geothermal Development Company, P.O. Box 100746, Nairobi, Kenya, 00100, skangogo@gdc.co.ke, 0722 482 039
- Rev. Paul Wahome, Parish Minister – PCEA Wema Parish, paulwahome42@gmail.com, 0720672353
Driving License
BCE, 23
Leadership Governance
- Board Member, Kenya Engineering Technology Registration Board, 2023–Present
- Chairman of Trustees, GDC Retirement Pension Scheme, 2021–2024
- Culture Change Champion, GDC, 2023–Present
Timeline
Rig Maintenance Engineer
GEOTHERMAL DEVELOPMENT COMPANY
01.2016 - 12.2020
Senior Rig Maintenance Engineer
GEOTHERMAL DEVELOPMENT COMPANY
01.2010 - Current
Rig Maintenance Superintendent
GEOTHERMAL DEVELOPMENT COMPANY
01.2010 - 12.2015
Design & Project Manager (Renewable Energy)
CEPHAS VENTURES ENTERPRISES
01.2007 - 04.2010
Service Advisor / Workshop Supervisor
CMC Motors Group Ltd
07.2004 - 12.2006
MSc - Strategic Management
Jomo Kenyatta University
BSc - Industrial Technology
Egerton University
Diploma in Mechanical Engineering -
Jomo Kenyatta University
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