
Osman Sezer
Senior Project Manager
Salaire / Taux journalier
Paris, France
Mobilité : 69380 Alix, Bordeaux, ...
Freelance, ouvert au CDI
Peut venir sur site
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À propos
Introduction
Senior Project Manager with 18 years of experience in large-scale projects, I have hired, coached and led multi-site and cross-functional teams to deliver turnkey solutions. I have planned/controlled and managed changes to ensure successful delivery and customer satisfaction. I have managed contracts with a scope exceeding $450 million, meeting performance requirements while ensuring technical and organizational coordination of more than 18 contractors on the same project.
Expérience de travail
Senior Project Manager
SIEMENS Mobility_ Rail Infrastructure
juil. 2023 - nov. 2025
2 ans 5 mois
Riyad Arabie saoudite
■ Overseen Systems: Passenger Announcement and Information, SCADA, Signaling System ■ Project: Infrastructure project, Budget >450 M$; Manpower > 180 persons; Stakeholders > 25 ■ Deliverables: – 2 lines, 39 Stations, 4 Depots, 4 Park & Rides, 14 Egress Shafts, 2 Operation Control Center – +13 000 Assets commissioned (Speaker, Displays, workstation, Access Point, Signals, Railroad Switches…), +300 km of Cables laid – 18 Sub-system integrated with F-SCADA (such as COM, BMS, SIG, AFC); +31600 Assets integrated with F-SCADA (such as CCTV, OCS, TETRA, Fire Alarm…) – CDRL > 9 700 Doc., 7 Safety Cases, ■ Achievements/Tasks – Breakdown then restructure the works to establish a strategic planning for the accomplishment of contractual deliverables and ensure resource allocation – Define short term objectives for each work packages and unify the team around it – Identify and monitor project risks and opportunities. implement measures to mitigate risks and take advantage of opportunities in terms of delay, cost and reputation – Develop and lead migration plan related to System upgrade and Software development – Monitor the progress then re-define actions to ensure operation readiness and compliance with contact and regulatory requirements – Manage the engagement of stakeholders such as Consultant, Customer and Operator – Lead change management with the team and partners in the event of course deviation – Set a cross-functional team working in Scrum methodology to identify and to correct software/configuration anomalies ensuring delivery flexibility – Negotiate with customer the Preliminary Hand Over achievement for each Project Milestones – Redefine achievement criteria and negotiate a revised completion roadmap with the client to validate safety requirements and start metro operation – Ensure implementation of RAMS requirements and contribute to Safety case validation by E-ISA/C-ISA for Fire Alarm, ATS, ATP, PA, CCTV systems
Program Manager
SIEMENS Mobility
déc. 2021 - juil. 2023
1 an 8 mois
Riyad Arabie saoudite
■ Overseen lots: Communication System, Customer information System, Signaling System, Rolling stock, Rail Electrification, Platform Screen Door, Depot Workshop Equipment, SQL ■ Project: Budget >22 Bn$, Consortium of 4 Partners : Bechtel / Consolidated Contractors Company / Almabani General Contractors / SIEMENS ■ Achievements/Tasks – Ensure that all project deliverables are align with time, quality and financial constraints – Define and implement the program cost control and monitoring metrics and tools. – Lead the Strategic Planning preparation of overall program achievement engaging all Project Management – Contribute to the Program financial analysis and cost engineering practices implementation – Set up risks management process and lead Project Managers for mitigation measures – Prepare the weekly reporting of trend analysis, technical issues and resource loading to Steering Committee, Business Unit and the client Royal Commission for Riyadh City – Provide guidance and leadership to the project control teams for budget management – Negotiate with stakeholders to align on the monthly achievement and coming targets – Negotiate the compliance and achievement of Contractual Requirements – Coaching the project managers to set delivery strategies
Head Of Project Management Office
SIEMENS Mobility_ Rail Infrastructure
juil. 2017 - déc. 2021
4 ans 6 mois
Riyad Arabie saoudite
■ Overseen Sub-Systems: Passenger Announcement, Public Information, Facility SCADA, Automatic Train Control, Data Communication System, Automatic Train Supervision ■ Project : Budget > 450 M$; Manpower > 25 persons; Stakeholders > 25 ■ Achievements/Tasks : Project Scheduling and controlling Management. Managed a team of schedulers – Develop a detailed the Program schedule identifying external/internal interface of each project – Prepare and report weekly progress to stakeholders: Board review, Customer Review – Define and deploy tools and dashboard of progress and performance metrics – Control and monitor deliverables from several sites in Europe and MEA – Set up process identifying risks and assessing mitigations measures Procurement & logistics Management. Managed a team of Procurement & Logistic officers – Define process and framework to guide managers from RFQ to PO – Monitor project’s progress and suppliers’ performance to optimize procurement planning – Manage hiring and on-boarding process pf third parties/sub-contractor resources Document Control & Project administration. Managed a team of document controllers – Supervise documentation review/submission/approval process – Negotiate and align with customer the list of contractual documentation – Set document progress KPI: efficiency and performance metrics
PMO Project Management Officer
SIEMENS Mobility
déc. 2013 - juil. 2017
3 ans 8 mois
92320 Châtillon, France
■ Overseen Project: HELSINKI Metro, Queens Boulevard Line, NEXTEO, ATS+, Paris Metro Line 4, Baltimore Metro ■ Overseen Systems: CBTC, ATS ■ Achievements/Tasks – Project planning, work package/deliverable coordination and cost control – Support BID teams for planning, budgeting and identifying project deliverables – Improve Project Mngt process & tool within Project Execution department for Progress metrics, resource management and planification
PMO team leader
Centre National d'Études Spatiales
mars 2009 - déc. 2013
4 ans 10 mois
Paris Daumesnil, France
■ Overseen Project: ARTA, A5ME Launcher, Ariane 6 Launcher ■ Achievements/Tasks – Manage 4 Project Engineers, mobilized in different sites of CNES (Paris, Toulouse, Kourou) – Planning and cost control of space launcher programs (A5ME, ARTA, Ariane 6…). – Set, deploy and monitor progress metrics of contractors’ deliverables for ARTA and A5ME (4 Contractors of level 1 : AIRBUS, SAFRAN, Europropulsion, THALES) – Cost calculation of ARIANE 6 space launcher program development – Support to legal and finance departments for contractual claims – Delivery of Project management plan, Schedule and delay management plan, Interface management plan, Risk management plan and Requirement’s traceability mgmt. plan
Formation
Université du Québec en Outaouais
MASTER of International Project Management – PMI certified, Project Management
2006 - 2006
9 mois
Program • Project Plan and feasibility _ Project Management methodology _ Project Goals, Deliverables and Risks _ Stakeholder analysis • Project planning and operational control _ Product breakdown structure & Work breakdown structure _ Phase plan and network plan, bar chart • Management of Project Teams _ Leadership _ Conflict management • Intercultural management _ Communication _ Team building • Project accounting and financial evaluation _ Costs and resource plan _ Project controlling _ Contract and claim Thesis • Thesis delivered after 6 months of company immersion within VALEO Project team: "How to increase employees' motivation for the benefit of the company?"
ISMANS CESI
Mechanical and Materials Engineer, Mechanical Engineering
2003 - 2006
3 ans 1 mois
Science and Technology in Mechanics _Mechanical Design _Modeling by finite elements Materials Science and Technology _Techniques for characterizing metallic / non-metallic materials _Reliability and Endurance of Materials _Surface treatment Major Mechanical engineering, modeling, calculation and optimization _Structure calculation (linear statics, composite materials, modal analysis, dynamic response) Major in Industrial Engineering, Product Life Cycle Design and Management _PMP (Mixed multidisciplinary project) _PLM (Technical data management) _Prototyping _Marketing _Functional analysis
IUT de saint Denis
DUT, GMP, Mechanical and Production Engineering
2002 - 2003
1 an 2 mois
Ecole supérieure des Techniques aéronautiques et de Construction automobile
Cycle Préparatoire Intégré, Engineering
2000 - 2002
2 ans 1 mois
Activités et associations : Activities and associations : ESO, ESTACA SPACE ODYSSE
Ecole d'ingenieur Post Bac
Licences et certifications
Negotiation training
Délivré le : mars 2022
Project Management Professional-PMP
Délivré le : mars 2021
Portfolio
