Gary O' Sullivan
    IEng HNC B.Eng MCIBSE MIEI MASHRAE
    Managing Director

    Gary is a Building Services Engineer with over 16 years project management and design experience in the biotech, pharmaceutical, industrial and commercial sectors. He has a proven track record in the design, coordination and management of mechanical, electrical, HVAC and Process projects. During his career Gary has worked on significant projects and with several blue-chip companies such as AbbVie, Alexion, Allergan, Alkermes, DB Schenker, Meissner Filtration Products, Medtronic, Mylan, Zoetis and Zimmer Biomet.

      Johnny Madden
      B. Eng
      Mechanical Project Manager

      A dedicated Mechanical Engineer with 16 years of work experience across sites located in Ireland and Middle East. Expertise in designing heating and cooling systems, supervising installation of AHU, cooling towers, generators, gas lines. Self-motivated, dynamic engineer with multi-disciplinary experience in project management, project planning, project budgeting and cost control.

        Colm McGee
        BSc. Eng, M.I. Eng, MSc. Eng, P.G.D.E.
        Mechanical Project Manager
        Mechanical Engineering graduate with 20 years industry experience in an engineering / construction discipline. The vast majority of this experience has been in the field of building services design, tendering, installation and contract / project management. Experienced in all elements of building services design and construction – Mechanical, Electrical, Plumbing and Fire Protection.
          Riyad Dahbour
          MSc Elec Eng
          Electrical Project Manager

          Senior electrical engineer with 30 years’ post graduate experience in building services design, coordination, management and commissioning on projects across EMEA region. Projects worked on include design, supervision, installation, testing and commissioning of Commercial, Leisure, Residential and Mixed-use developments. Time served as an electrician.

            Andrea Coen
            BSc. Arch
            BIM Manager
            Andrea joined OSENG in 2020 bringing 10 years of experience in design, detailing using BIM tools within the Semi-Conductor, Life Science and Commercial Industry. Her skills include the production of 2D to 6D Construction & MEP Models, the creation of Revit families, clash management, site surveys as well as production of drawings.
              Peter Healy
              B.Eng Mech
              BIM Technician

              A Mechanical Engineer with over 8 years’ experience across Industrial and Commercial Sector as a designer and BIM Technician

                Gourav Joshi
                MSc SSE, B. Eng Elec
                Electrical Engineer

                An electrical engineer with over 7 years of experience in electrical engineering design, Installation. Adept with utilising Dialux for lighting design, Amtech software and AutoCAD packages.

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