An engineering company that builds its own tools.
SIR SE stands for Société d'Ingénierie de Réalisation des Solutions Évolutives. We combine civil engineering, water engineering and software development.
Thirty years in the field behind every study.
The assignments below are the founder's personal experience, gained with supervision firms and contractors before and alongside SIR SE. The company's own projects are on the Track record page.
Christian Houindo Arcadius
Founder of SIR SE · Civil engineer with significant experience in integrated water resources management (IWRM)
Civil engineer, graduated in 1996 from the Gamal Abdel Nasser Polytechnic Institute in Conakry, with significant experience in integrated water resources management (IWRM). Thirty years of assignments in West and Central Africa on roads, bridges, drainage and water supply, on both the supervision and the contractor side.
Career
- Since 2023SenegalLead engineer, supervision of urban road works in Fatick and Kaffrine (Promovilles programme)16.8 km of urban roads · 20 km of drains · 5,000 m³ water tower
- 2022 – 2023SenegalLead engineer, rehabilitation of the Kidira – Bakel road and related works162 km of track · 6 km of utilities · 4 water towers · 6 boreholes
- 2020 – 2022GabonTechnical studies engineer for CEG, Ntoum – Kougouleu road (RN1)81 km · 94 box and pipe culverts · 12 km of drains
- 2019 – 2022SenegalCivil engineer and survey expert: owner's engineer for 13 bridges and flyovers13 bridges and flyovers · roads and drainage
- 2017 – 2019SenegalRoad and structures engineer, deputy team leader: Loumpoul – Léona Potou – Gandiole road (World Bank)70 km · FCFA 18.5 bn
- 2015 – 2017TogoStructures engineer, deputy team leader: Notsè – Tohoun – Benin border road (BOAD)57 km · 80 m bridge over the Yoto · 40 m Kpegadjin bridge
- 2011 – 2015Niger · SenegalWorks manager and quality engineer: WAEMU joint border posts at Malanville and Boundou Fourdoubuildings, 38 km of roads, water supply, drainage
- 2007 – 2011BeninLead engineer: supervision of storm-water collectors in Cotonoucollectors · box and triple-cell culverts · paved streets
- 2002 – 2006GuineaAssistant project manager: Koundara – Gaoual road and drinking-water schemes126 km · 14 triple box culverts · 51 water supply systems
- 1998GuineaMulti-purpose dam on the Sala river (Tiambata): geotechnical design of the clay-core damhydropower · irrigated areas
Our commitments
| Start from the field | Studies based on measured data: surveys, borings, tests, rainfall. |
| Justify every choice | Assumptions and calculations written down and delivered with the drawings. |
| Be clear about status | What is in development is presented as such. |
| Leave a record | Documents, tests and decisions remain accessible. |
Working together
| Partner | What we offer |
|---|---|
| Engineering firms | Joint ventures and consortia, skills in hydrology, roads and digital tools |
| Project owners | Terms of reference, design reviews, monitoring dashboards |
| Technology partners | Co-development, sensors, agritech pilots |
Want to work together?
Tell us about your organisation and the cooperation you have in mind.