{"id":1513,"date":"2019-11-28T16:34:16","date_gmt":"2019-11-28T16:34:25","guid":{"rendered":"https:\/\/www.argonandco.com\/?page_id=1513"},"modified":"2024-12-16T09:18:07","modified_gmt":"2024-12-16T09:18:07","slug":"design-it-et-implementation","status":"publish","type":"page","link":"https:\/\/www.argonandco.com\/fr\/expertises\/digital-it\/design-it-et-implementation\/","title":{"rendered":"Design IT et impl\u00e9mentation"},"content":{"rendered":"<h2><b>Contexte et d\u00e9fis<\/b><\/h2>\n<p><span class=\"intro\"><span style=\"font-weight: 400;\">Le d\u00e9ploiement d\u2019un nouveau syst\u00e8me d\u2019information (SI) repr\u00e9sente un double d\u00e9fi. Un d\u00e9fi m\u00e9tier, tout d\u2019abord, car il s\u2019agit de gagner en performance et en agilit\u00e9 afin de soutenir la croissance de l\u2019entreprise. Un d\u00e9fi technique, ensuite, car la transformation doit concilier innovation et ma\u00eetrise des risques, <\/span><i><span style=\"font-weight: 400;\">time to market<\/span><\/i><span style=\"font-weight: 400;\"> et r\u00e9duction des co\u00fbts.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dans la conduite d\u2019un projet SI, les \u00e9cueils sont nombreux<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">mauvais alignement des besoins m\u00e9tier et de la configuration du progiciel\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pilotage projet insuffisant (absence de coordination des \u00e9quipes, tests et recettes non rigoureux, donn\u00e9es mal anticip\u00e9es et structur\u00e9es\u2026)\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">importance sous-estim\u00e9e de la conduite du changement (effets tunnels, impacts sur les \u00e9quipes et les processus, implication tardive des \u00e9quipes m\u00e9tiers et mobilisation insuffisante des managers)\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">mauvaise ma\u00eetrise du d\u00e9ploiement (manque de gouvernance claire et structur\u00e9e, suivi insuffisant\u2026).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Pour mettre en \u0153uvre leur projet de refonte du SI, les entreprises ont alors deux possibilit\u00e9s.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Premi\u00e8re option<\/b><span style=\"font-weight: 400;\">\u00a0: faire confiance \u00e0 un int\u00e9grateur sp\u00e9cialiste de la solution SI et s\u2019appuyer, en interne, sur sa propre expertise m\u00e9tier. Le risque\u00a0?\u00a0 Reconduire des process d\u00e9j\u00e0 existants par m\u00e9connaissance des bonnes pratiques, manquer d\u2019ambition (et donc de ROI), se focaliser sur le co\u00fbt de la mise en \u0153uvre et sur le planning plut\u00f4t que sur les enjeux m\u00e9tiers.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Deuxi\u00e8me option<\/b><span style=\"font-weight: 400;\">\u00a0: s\u00e9parer l\u2019expression du besoin m\u00e9tier de la mise en \u0153uvre de la solution. Concr\u00e8tement, il s\u2019agit de faire appel, dans le cadre d\u2019une m\u00eame mission, \u00e0 deux consultants distincts : l\u2019un se porte garant des enjeux m\u00e9tier (objectifs, valorisation du business case, embarquement des utilisateurs) et l\u2019autre s\u2019assure de la r\u00e9alisation et de la mise en \u0153uvre de la solution (respect du planning et des co\u00fbts).\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00c0 moins que l\u2019entreprise ait un besoin totalement standard et des perspectives d\u2019\u00e9volution m\u00e9tier limit\u00e9es, la seconde option nous para\u00eet pr\u00e9f\u00e9rable. Cette organisation, identique \u00e0 celle mise en place pour la construction d\u2019un b\u00e2timent avec un ma\u00eetre d\u2019ouvrage et un ma\u00eetre d\u2019\u0153uvre, est gage d\u2019efficacit\u00e9 et de performance.<\/span><\/p>\n<h2><b>Notre approche<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Argon &amp; Co accompagne ses clients \u00e0 toutes les \u00e9tapes de leur projet :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le cadrage :<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">analyse des enjeux business et d\u00e9finition des objectifs m\u00e9tier\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">d\u00e9finition du sch\u00e9ma directeur SI et de l\u2019architecture applicative associ\u00e9e\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pr\u00e9paration et coordination d\u2019appels d\u2019offres \u00e0 destination des \u00e9diteurs de solutions\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">construction du business case incluant l\u2019estimation des gains et de l\u2019ensemble des co\u00fbts associ\u00e9s au projet.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">La conception de la solution cible et la pr\u00e9paration \u00e0 la mise en \u0153uvre\u00a0:\u00a0<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">animation d\u2019ateliers autour des meilleures pratiques m\u00e9tiers et secteurs\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">r\u00e9daction des sp\u00e9cifications fonctionnelles\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">analyse des donn\u00e9es et de leur structure afin de d\u00e9finir la meilleure strat\u00e9gie de leur r\u00e9cup\u00e9ration et de leur mise en qualit\u00e9\u00a0;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">mise en place de la gouvernance et du pilotage projet\u00a0: organisation, planning projet, indicateurs d\u2019\u00e9tat d\u2019avancement.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">La construction et la r\u00e9alisation des tests de la solution (en m\u00e9thode agile ou selon une approche traditionnelle de cycle en V)\u00a0:\u00a0<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">d\u00e9finition de la strat\u00e9gie et du plan des tests et recettes. Accompagnement \u00e0 la r\u00e9alisation des recettes\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">r\u00e9alisation des supports, animation des formations et soutien \u00e0 l\u2019engagement des \u00e9quipes\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">r\u00e9alisation d\u2019exp\u00e9rimentations et de pilotes afin d\u2019\u00e9prouver la solution avant son d\u00e9ploiement.\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le d\u00e9ploiement de la solution\u00a0:\u00a0<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">d\u00e9finition de strat\u00e9gie de d\u00e9ploiement et construction du kit de d\u00e9ploiement\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pilotage de la mont\u00e9e en comp\u00e9tences des \u00e9quipes\u00a0;\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">d\u00e9finition et mise en place du dispositif de <\/span><i><span style=\"font-weight: 400;\">benefits tracking<\/span><\/i><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Contexte et d\u00e9fis Le d\u00e9ploiement d\u2019un nouveau syst\u00e8me d\u2019information (SI) repr\u00e9sente un double d\u00e9fi. Un d\u00e9fi m\u00e9tier, tout d\u2019abord, car il s\u2019agit de gagner en performance et en agilit\u00e9 afin de soutenir la croissance de l\u2019entreprise. Un d\u00e9fi technique, ensuite, car la transformation doit concilier innovation et ma\u00eetrise des risques, time to market et r\u00e9duction [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1494,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1513","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Design IT et impl\u00e9mentation | Argon &amp; Co<\/title>\n<meta name=\"description\" content=\"Argon &amp; Co assiste les entreprises dans l&#039;int\u00e9gration de nouveaux syst\u00e8mes d&#039;informations pour atteindre leurs objectifs de performance op\u00e9rationnelle et de r\u00e9duction des co\u00fbts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.argonandco.com\/fr\/expertises\/digital-it\/design-it-et-implementation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Design IT et impl\u00e9mentation | Argon &amp; 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