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At Dortin Engineers Limited, our success is driven by a highly skilled and experienced team of professionals. Each member brings a wealth of knowledge in their respective fields, ensuring that we deliver top-tier engineering solutions. Our team’s commitment to excellence, innovation, and client satisfaction is reflected in every project we undertake.



Eng Justin Munene Kiriinya
PE, MIEK, EPRA A1

A seasoned Electrical Engineer with 8 years of experience, Justin excels in designing and managing complex electrical systems from concept to completion.

Brian Mutwiri
GE - EBK, G-IEK

Dedicated Electrical Engineer with 5 years of expertise in power systems, known for his precision in designing and executing energy-efficient solutions.

Simon Wanyoike
GE- EBK, G-IEK

A highly skilled Mechanical Engineer, Simon specializes in designing and managing mechanical systems, with over 5 years of experience in delivering cost-effective and innovative solutions for building services.

Eng. Kennedy Wafula Sichangi
PE, MIEK

With 8 years of experience, Kennedy is a versatile Mechanical Engineer focused on the design and supervision of comprehensive building services, including HVAC and fire protection systems.

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Team Profiles

Holds a Bachelor of Science in Electrical and Electronic Engineering from JKUAT. Currently pursuing Masters of Science in Sustainable Energy Transitions at Strathmore University (MSc set). Registered with the Engineers Board of Kenya as a Professional Engineer (PE) and is a Corporate Member with the Institution of Engineers of Kenya (MIEK). Moreover, Solar T1/T2 and T3 certification and EPRA -A1 Electrician’s license. Justin has over 8 years’ experience in Electrical building services and renewable energy. Has vast experience in designing, site supervision and contract management. Has special interest in sustainability in building designs.

I am a Graduate Engineer with over five years of experience in the building services and energy sector, specializing in power systems design and project management. My expertise includes electrical layouts for residential and commercial projects, as well as specialized security and ICT services. Tasked in preparing electrical designs, site supervisions to ensure quality control and commissioning of electrical installations. Registered with the Engineers Board of Kenya and the Institution of Engineers of Kenya, I am committed to delivering cost-effective, reliable solutions and working collaboratively with multidisciplinary teams.

Simon Wanyoike is a skilled Mechanical Engineer with more than 5 years’ experience in building services. With a robust background in designing, installing, and managing complex mechanical systems, Simon has been instrumental in executing significant projects including the East Africa Kidney Institute, Nairobi Hospital, and Mater Hospital. He has also overseen key developments such as the Milk Processing Plant at AON Limuru, various Equity Bank branches in Kenya and Tanzania, Safaricom roll-out shops and AON residences. Simon’s expertise extends to renewable energy, where he holds certifications in Solar PV T1/T2 and Solar Water Pumping. His professional credentials include registration with the IEK and the EBK.

Kennedy W. Sichangi holds BSc. Mechanical and Industrial Engineering (MMUST) He is a Professional Mechanical Engineer Registered with EBK and a corporate with IEK. Has over 8 years of experience in Design of Mechanical Services of experience of Contract Administration of Building Services for commercial, residential and industrial projects. Responsibilities include Preparations of maintenance and status report of the ongoing works, design AC, Mechanical Ventilation System., design of Mechanical services for new installations and maintenance works in buildings and other institutions, design of Fire Protection Systems. Preparation of Bills of Quantities, Internal plumbing and drainage and water Reticulation installation works Preparation of drawings, specifications and tender documents.
Key experience:

  • * Cost Evaluation and Financial Appraisals
  • * Contract administration
  • * Audit of Mechanical systems
  • * Design of Mechanical Ventilation and AC
  • * Design of Solar Water Heating Installation
  • * Design of Mechanical works for buildings
  • * Design of Fire Protection Systems
  • * Preparation of Tender documents and Tender Evaluation reports
  • * Supervision of Mechanical installation works
  • * Project management
  • * Design for LP Gas installation System
  • * AUTOCAD /REVIT