CV TRADEXPRESS : Sélectionnez facilement les profils qui vous intéressent

Aperçu d'expériences de Sylvain,
freelance TRADEXPRESS habitant les Hauts-de-Seine (92)

• HEAD OF OPERATIONS

  STG INTERACTIVE
  2017 - aujourd'hui

  Operations and change management
  Frogans (********) is a new medium for publishing content and services on the Internet.
  Compared to the World Wide Web, the new medium is intended to suggest the publication of content
  and services that involve visual rather than textual communication, targeted content rather than long
  pages, and natural interaction rather than complex user interfaces.
  STG Interactive holds the operator's license of the "Frogans Core Registry"
  Defining and steering (depending on budgetary constraints) the transition from a static infrastructure
  (dedicated physical servers) to modern, flexible, resilient and scalable solutions in anticipation of a
  possible sudden increase in activity.
   Team management (6 reports, salaried and freelancers, France and Argentina)
   Recruiting senior & junior systems engineers
   Systems and Networks Technical Architect
   "Hands-in" manager (implementation, operation, support, on-call, ...) across all areas
   Installing and using collaborative tools (project management, data-center management, passwords
  management, ...)
   Migrating infrastructures towards state-of-the-art solutions (OpenStack, Ceph, Ansible, unnumbered
  BGP on barebone 720 Gbps switches, …)
   Migrating alert management and on-call scheduling to PagerDuty: reorganization, planning,
  participation
   Migrating data-center, OSPF routing, iBGP, eBGP
   Implementing centralized authentication/access control (FreeIPA)
   Complete redesign of backup processes (Borgbackup, storage outsourcing over two vendors/sites)
   Steering the redesign of infrastructure supervision (Prometheus, Grafana)
   Security Manager
   Internal IT Manager
   Implementing ITIL procedures
   Evaluating risk management
   Migrating internal IT to collaborative solutions (NextCloud, Passbolt, ...)
   Participated to several international meetings: RIPE (Dubai 2017, Marseille 2018), TF-CSIRT &
  FIRST Meeting (Hamburg 2018), Open Source Monitoring Conference (Nuremberg 2019), Private
  Conferences, Infrastructure Security (London 2017-2018)

  Environments: Ubuntu, Debian, Mint, RedHat/CentOS, Cumulus, FreeBSD, OpenStack, Ceph, Ansible, Salt, Rudder, HashiCorp Vault (kv, pki, sql, rabbitmq), ProxMox, Monitoring (PagerDuty, Prometheus, Grafana, Zabbix), Jenkins, Web (Apache, Nginx, Tomcat), SSL/TLS (OpenSSL), Forward & reverse proxies (HaProxy, Nginx), DNS (bind), SMTP (Postfix), IMAP (Dovecot), Webmails, SQL (MySQL, PostGreSQL), VPN (OpenVPN, ZeroTier), DHCP, PXE, Backups (Borgbackup, backuppc, rsync, etc), LDAP, Kerberos, LetsEncrypt

• Consultant indépendant: Manager de Transition

  Generix Group
  2015 - 2016

  ● Directeur de l’ingénierie de production (équipe N3 & Architecture) pour l’entité Cloud du groupe (15 M€ CA Cloud, 15 personnes encadrées, 500 serveurs x86)
  ● Refonte technologique et organisationnelle de l’activité de production pour tenir une augmentation de charge de 300-500% en 18 mois
  ● Audit humain et technique
  ● Prise en compte opérationnelle des incidents et gestion des crises majeures (relation client en collaboration avec les responsables de comptes, définition et suivi des plans d’actions, etc.)
  ● Réorganisation des périmètres des équipes
  ● Recrutement nouveaux collaborateurs (Linux, Windows, iSeries, Réseau, architecte systèmes)
  ● Participation à l’évolution des process d’entreprise
  ● Révision des process internes au département
  ● Etude projet refonte réseau complète (100% du matériel renouvelé en technologie 10G) : définition d’une road map et planification des jalons de migration (2 datacenters, fibre noire).
  ● Etude projet refonte supervision : en collaboration avec le responsable du support N1, analyse des faiblesses de l’existant, PoC comparatif.
  ● Refonte des socles techniques serveurs Linux (RHEL 2.1/5/6 => 7, déploiements automatisés, intégration de la supervision au déploiement)
  ● Refonte des socles techniques serveurs Windows (2000/2003 => 2012)
  ● Renouvellement reverse proxy & load balancer frontaux

  Environnement: Réseau, Virtualisation, Stockage, Linux, Windows, Supervision, gestion de projets, Management.

• TRANSITION MANAGER - HEAD OF OPERATIONS

  2014 - 2016

  Operations and change management
  Generix is an international software publisher that offers a platform to manage and control all the
  workflows in a business and industrial ecosystem. The group distributes solutions and services for
  global supply chain management: warehouse and transport management, e-logistics, collaborative
  portals, EDI, EAI, invoice dematerialization, collections, loyalty engines. In 2015, the group achieved
  roughly one third of its revenue from SaaS solutions.
  SaaS Production manager within the "CloudOps" department: leading a team of 15 engineers
  (systems, software, networks, DBA, architects) in charge of architecture, project engineering and
  Level 3 support.
   Team management (15 reports with 1 mid-manager for half of the team)
   Technical & organizational audits
   Strengthening ITIL processes in collaboration with the team
   Recruiting systems (Linux, Windows, AS/400) and networks experts
   Reorganizing (optimizing) roles within the team
   Planning, piloting & monitoring tests on complex and/or medium and high risk changes (migrations
  & sensitive changes)
   Renewing the SaaS network core (architecture, negotiating purchase, planning, testing)
   Planning and managing technological migrations (Windows 2000 => 2012, RHEL 2 => RedHat 7)
   24x7x365 personalized follow-up and direct contact for critical customers (mainly key accounts in
  Europe and Russia)
   Managing and communicating (internally and externally) on major crisis situations
   Planned the redesign of the monitoring system in order to improve its relevance and accuracy
   Weekly project reviews with the PMP team (portfolio of small/medium projects)
   Participating to project review committees (major and strategic projects)
   Participating to risk management monitoring and guidance
   KPIs monitoring, improving relevance
   Problems tracking (ITIL)
   Escalation management from level 2 support
   Pre-sales support on complex projects (up to several M€/project)

  Environments: RedHat, Windows Server, AS/400, Ansible, Monitoring (Zabbix, Nagios, Centreon, Mrtg), Web (Apache,Tomcat), Reverse proxy (HaProxy, LiteSpeed), DNS (bind), SMTP (Postfix), SQL (MySQL, Oracle), NFS, IPv4, Firewalls (Cisco), Switching (VLAN, Spanning Tree), OSPF, eBGP, ISIS, GRE, Git, CVS, ...

• Generix Group
  2014 - 2014

  ● Dans le cadre d’une migration de version des outils serveurs, rétro documentation d’un projet EDI
  ● Flux EDI sur 6 serveurs de production à documenter
  ● Coordination technique des intervenants (consultant fonctionnel, direction de projet, production)

  Environnement: Influe SynchroLink, EDI, Windows, Linux.

• CONSULTANT

  CÉZANNE
  2013 - 2014

  For a FinTech startup (payment processor and international financial flows), mission to study the risks
  of fraud and its methodology.
   Audit, consulting and assistance in the development of an online payment solution
   Analysis of possible security flaws
   Technological and functional surveys and studies (DarkNet) on fraud methods
   Design and monitoring of tests for fraud
   Detailed financial analysis of the technical investments required for phase 2 of the project

• ● Startup dans le domaine du paiement en ligne (Internet)

  Vittico
  2013 - 2014

  ● Startup dans le domaine du paiement en ligne (Internet)
  ● Mission principale: veille technologique sur les techniques de fraude (“deep web”)
  ● Audit, conseil et assistance au développement
  ● Analyse des failles de sécurité
  ● Conception et suivi des tests de fraudes

  Environnement: Linux, Java.

• Missions courtes pour le compte de PMEs
  2011 - 2012

  ● Administration systèmes Linux (Ubuntu Server)
  ● Installation paramétrage solutions de messagerie
  ● Déploiement Zimbra
  ● Exploitation serveurs bureautiques
  ● Développement: LUA, Java, Google Web Toolkit, ...

  Environnement: Linux (Ubuntu Server), Apache, SMTP, Windows 2003 Server, ...

• Co-Fondateur, Direction Générale & Technique Directeur Général:

  Adviseo
  2005 - 2010

  ● Gestion administrative, juridique et financière de l’entreprise (CA 1 M€ annuel)
  ● Recrutement des équipes techniques et commerciales: 10 salariés (niveau cadres)
  ● Sélection des fournisseurs (datacenters, réseaux, telecoms, matériels, prestations intellectuelles) et négociation des contrats (tarifs, conditions particulières, SLA, etc.)
  ● Etudes avant-vente, rédaction et suivi de propositions technico-commerciales (prospects et appels d’offres)
  ● Rédaction de contrats clients (prestations intellectuelles & infogérance) standards et spécifiques
  ● Rachat d’une entreprise

• Directeur Technique:

  aujourd'hui

  ● Conception, mise en oeuvre et exploitation (24x7x365) d’une infrastructure d’hébergement répartie sur 3 sites géographiques (datacenters TeleHouse 2, Equinix & Global Switch)
  ● Liens fibre noire en boucle entre les sites
  ● Réseau BGP/OSPF soutenant 2 Gbps de débit réel (12 Gbps de capacité) vers Internet
  ● Backbone à base de routeurs Cisco 6509, distribution via Cisco 3750
  ● Monitoring, Firewalls, VPN, Reverse Proxies, Messagerie, etc.
  `...