Romain Cajina

Ambassador at Polkadot
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Contact Information
Location
Paris, Île-de-France, France, FR
Languages
  • Français Native or bilingual proficiency
  • Anglais Limited working proficiency

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Experience

    • Design
    • 1 - 100 Employee
    • Ambassador
      • Dec 2021 - Present

    • Software Development
    • 1 - 100 Employee
    • Ambassador
      • Aug 2022 - Present

    • Australia
    • Software Development
    • Community Manager
      • Jul 2022 - Present

    • Singapore
    • Software Development
    • 1 - 100 Employee
    • Ambassador
      • Aug 2021 - Present

    • Movies, Videos, and Sound
    • 100 - 200 Employee
    • Entrepreneur / Investor
      • May 2015 - Present

    • Blockchain Consultant
      • Feb 2021 - Present

    • United States
    • Transmission Engineer WDM / Project Manager (Freelance)
      • Aug 2017 - Aug 2021

      Operational management of evolution, migration and deployment projects:- Cross-functional team management and knowledge management- Collection, study and analysis of customer needs, reporting- Creation of roadmaps and strategy definition (migration, deployment)- Creation of roadmaps, task allocation, adjustments/arbitrations- Writing of technical specifications (EDP/DAT/DND), definition of architectures- Implementation of POC- Migration: architecture analysis & design (platform construction and evolution phases), modeling, technical resource estimation- Design, implementation, configuration (CP, implementation of a rights management system), operation and optimization of infrastructures- Test/acceptance- Writing and diagramming of technical procedures (EMOP/EDP/DAT/HLD/LDD...)Support :- Network reconfiguration- Troubleshooting, traffic analysis- Analysis & resolution of anomalies (performance/monitoring)- Network update- Writing and diagramming of technical procedures (EMOP/EDP/DAT/HLD/LDD...)Pre-sales :- Analyze the needs and propose the best adapted solution- Contribute to identify the feasibility criteria and profitability- Elaboration of technical and commercial proposals- Ensure a technological and economic watch- Put in competition our various suppliers- Negotiate prices and conditions- Phone and email follow-up actions- Elaboration of quotationsExamples of completed projects:- EuNetwork: Migration - Wavelength reconfiguration / 200G update- Zayo: Migration - WSS Replacement- Facebook: 400G link + WS- Amazon: 400G link- Microsoft : New linkTechnical and functional environment : WDM CIENA (6500 – CPL - WaveServer), Site Manager, Node Manager, Putty, TCP/IP, OSPF,ARP, IS-IS, VPN, Cisco AnyConnect, FortiClient, Lan, Wan, Layer-0, Layer-2, 200G, 400G EMOP, DAT, EDP, HLD, LDD,DND, Microsoft 365, Visio

    • France
    • Software Development
    • 1 - 100 Employee
    • Account Manager / Partner Manager
      • Nov 2019 - Mar 2020

      IT Infrastructure Division (Specialization: Cloud, DevOps & Workplace)Responses to calls for tenders from major clients (needs for technical reinforcements/expertise)- Qualification, writing and publication of needs on the various job boards- Management and assistance to the recruitment managers in the context of profile searches- Accompanying and advising clients in the context of their reinforcement needs- Negotiation of rates (Interlocutors: DSI, buyer, project manager, HR, consultants...)- Preparation and presentation of the consultants in client interviewsFarming: Targeted actions to develop and maintain the loyalty of existing clients- Client account development (maintenance of existing relationships and prospecting)- Follow-up of missions on site, by phone and by email (Clients/Consultants)Hunting: Targeted prospecting actions to acquire new customer accounts- Preparation of prospecting lists and planning of bi-weekly prospecting sessions- Client meetings (presentation of the group, the business model and our added value)- Telephone and email follow-up actionsTechnical and functional environment : Job-Boards (Turnover, Monster, Apec, Linkedin), Office 365, microsoft dynamics (CRM), Circuit.

    • United States
    • Human Resources Services
    • 1 - 100 Employee
    • Team Leader Field Engineer / Commissioning Engineer
      • Sep 2012 - Aug 2017

      - Team Leader & support- Site Audit- Installation of equipment and optical and energy connections- Commissioning / provisioning of equipment- Putting the equipment online- Troubleshooting- Optical test and measurement: reflectometry / RFC / qualification of STM, GBE, 10Gbe, 100G etc. circuits)- Migration: Customer circuit, fiber line, equipment- Acceptance and quality audit / ABD / OSA shoot / Design / etc...- Elaboration of deliverables: AsBuild, OSA, HLD, DATExamples of completed projects:- Bouygues Telecom (France) : 4G upgrade- Renater : WDM network deployment (Ministry and universities)- Nordunet: WDM network deployment - 97 sites in total in 5 countries (Denmark, Norway, Sweden, Finland, Iceland)- EIG (Monaco) : Upgrade 2.7 CoreStream WDM equipment => OME6500- Laboratoire Roche (Switzerland) : DC Migration - insertion of a new site on an existing network- Tullett Prebon (England) : Creation of a new corporate network- Deployment France/International (Bouygues, SFR, OBS, Vodafone, Nordunet, BT, EIG, SMW4, Swisscom, VFI, SSE, Janet, Belnet, ...)Technical and functional environment : CIENA (6500 – CPL – 6200 – 4200 – 5400 Family – 5K Family – Corestream), Alcatel ALU (PSS Family), Huwei (OSN6800 – OSN8800), Site Manager, Node Manager, , Tera Term, Hyper Terminal, Putty, TCP/IP, OSPF, Ethernet, proxy, VPN, Wifi, Lan, Wan, STMx, Gbe, 10Gbe, 100G, Windows XP/7/10, Suite Microsoft Office, Visio, OSA, HLD, DAT

    • Network administrator
      • Sep 2008 - Nov 2012

      - Creation of a Hotline : Software & hardware of a music and video station internal to the stores (Fly, Cuisinella, Shmidt, Joué Club - more than 300 customers),- Administration of the network: user stations, file server, mail server- Maintenance of the user stations (park of approximately 40 stations)- Training- Creation and improvement of procedures and documentations- Design and integration of industrial PCsTechnical and functional environment : Windows XP/7, Windows Server 2003/2008, Active Directory, TCP/IP, Ethernet, proxy, VPN, Wifi,Lan, VNC, Radmin, PC Check, Ontrack Recovery, ghost, winmedia , Suite Microsoft Office.

Education

  • Alyra, the blockchain school
    @Promo Hardfork !!!!
    2021 - 2021
  • IPI Poly Informatique Institute
    BTS Superior Technician in Computer and Network Maintenance
    2011 - 2012
  • Lycée J. Perrin
    BEP Accounting, Accounting and business / management
    2006 - 2008

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