Nacİ Özen

Electro-Mechanical Coordinator

Work History

Work History
Oct 2013 - Present

Electro-Mechanical Coordinator

GÜLERMAK A.Ş

Providing technical and management consultancy to project teams for multiple ongoing railway projects. Assisting proposal and business development department for their relations with the international rail system providers. Working with tender department to evaluate the systems scope of supply and define tender strategies.

Oct 2009 - Oct 2013

E&M Works Manager

ASTALDI-MAKYOL-GULERMAK JV

Supply, Assembling and Commissioning Management of Medium Voltage Power Supply System, Catenary System, Signalling System, Telecommunications Systems including Access Control, Radio, CCTV, Clock, Environmental Control, Public Announcement, Public Information, SCADA, Telephone, Transmission Network, Fare Collection Systems. Tunnel Ventilation System, Smoke Extraction System From Both Tunnel and Stations, Fire Fighting Systems Including Sprinkler, Hose Cabinets and Gaseous Extinguishing Systems, Sewerage and Drainage Systems, Sanitary System, Escalators (238 units) and Elevators (64 units). 

May 2007 - Oct 2009

Signalling&Telecommunication Engineer

SIEMENS A.Ş

Supply, Assembling and Commissioning Management of on board and wayside signalling systems,  Integration of Railway and Road Traffic signalling systems,  on board and wayside radio communication systems,   Telecommunications Systems including Radio, Satellite Clock, SCADA, Telephone and Transmission Network Systems.

May 2006 - May 2007

Overhead Catenary Systems Engineer

SIEMENS A.Ş

Supply, Assembling and Commissioning Management of Catenary and Transformer Substations in Ankara-Istanbul High Speed Train Line-Project. 

Sep 1998 - May 2006

Signalling Maintenance Engineer

Turkish State Railways (TCDD)

Team Leader of railway signalization system deployed between Gebze-Köseköy Section of Ankara-İstanbul Railway Line

  • Daily, weekly, monthly, annual preventive maintenance schedule planning, application control and report to system supervisor.
  • New projects and  modifications related with responsible region (Westinghouse signalling system central traffic control part was modified to NIPPON SIGNAL, automatic train stop system was realized (NIPPON SIGNAL)
  • Daily troubleshooting activity with maintenance technicians.
  • Necessary spare part purchasing and stock control.
  • Instruction of the team members about new modifications in the system
Aug 1991 - Sep 1998

Signalling maintenance Supervizor

Turkish State Railways (TCDD)
  • Maintenance of Railway signalization systems between Gebze-Köseköy Section of Ankara-İstanbul Railway Line and Kapıkule-İstanbul Section
  • Daily troubleshooting activity with maintenance team for  the responsible region

Education

Education
Sep 2004 - Present

Phd. (Thesis incomplete)

Kocaeli University Physical Sciences Institute/KOCAELİ
Sep 1998 - Jun 2004

Msc. Electrical Engineering

Kocaeli University Physical Sciences Institute/KOCAELİ
Sep 1994 - Jun 1998

B.Sc.

Kocaeli University Kocaeli B.Sc. Electrical Engineering/KOCAELİ-TURKEY
Sep 1993 - Jun 1994

Kocaeli University English Preparation Class/KOCAELİ
Sep 1989 - Jun 1991

High School Graduate

Industrial High School of Railways Dpt.of Electronics/ESKİŞEHİR

Portfolio