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CDI

Offre d'emploiIT Operations Platforms and Security Lead

Nexus Jobs Limited
Publiée le

£85k-100k
Grand Londres, Royaume-Uni
IT Operations Platforms and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: Global Enterprise level Infrastructure Management position for the last 5 years, Global team management (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key - 3 party operational infrastructure vendor management - i.e management of managed service partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy tech to Azure knowledge/experience, Prior to the last 5 years, a technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £100K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiHead of IT Infrastructure and Security

Nexus Jobs Limited
Publiée le

£85k-95k
Grand Londres, Royaume-Uni
Head of IT Infrastructure and Security In summary we are looking to recruit an all-round individual with expert knowledge and hands-on experience of IT Infrastructure coupled with Security, Compliance & Risk Management You must have upwards of 10 years hands-on expertise in IT Infrastructure combined with Security and Risk – ideally from within the banking or insurance sector. The Head of IT Infrastructure and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. Some of the key points to consider for this role are: Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Technology: Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Summary: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. The role will involve managing a Cloud environment in a team of 4 Technical people. Managing 6 different suppliers which include Security, IT Networks, Hosting and Servers and 3 party software. The aim of the role is to bring the MSP's (suppliers of hardware and software) to the same page for the stakeholders and the Board and ensure technology is running smoothly. The Client is a financial organisation based in the City of London. This is a hybrid position with 3 days in the office. Must have a Bachelor's degree in IT or similar. The salary for this role will be in the range £85K - £95K plus Excellent Benefits. Do send your CV to us in Word format along with your salary and notice period.
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Freelance
CDI

Offre d'emploiIT Security Risk Manager

VISIAN
Publiée le
Incident Management
ISO 27001
Third Party Risk Management (TPRM)

1 an
Île-de-France, France
ContexteCe poste est à pourvoir au sein d'une entité leader de la gestion d'actifs financiers, filiale d'un grand groupe bancaire international. La fonction est axée sur la gouvernance de la sécurité informatique et la gestion des risques SI, l'accompagnement des projets et le respect des politiques de cybersécurité au sein d'un environnement opérationnel complexe. MissionsRéaliser les analyses de risques SI et de sécurité en stricte conformité avec la politique de gestion des risques IT, afin d'identifier et de quantifier les vulnérabilités. Optimiser et maintenir les cadres méthodologiques et les outils dédiés à l'identification, l'évaluation, au traitement et à la communication des risques de sécurité SI. Déployer et faire appliquer les pratiques et standards de sécurité du groupe à l'échelle de l'entité. Définir les stratégies d'atténuation des risques pour les projets de gestion d'actifs et veiller au respect des exigences de la politique « Risques SI & Cybersécurité » pour garantir des livraisons opérationnelles sécurisées. Intégrer les exigences de sécurité directement au cœur des projets afin de garantir la démarche « Security by Design » (sécurité dès la conception). Revoir la documentation de sécurité des applications du périmètre pour assurer sa conformité avec le socle de sécurité applicatif (baseline). Exécuter les revues de risques périodiques et maintenir à jour le registre des risques SI des périmètres attribués dans le cadre du suivi opérationnel quotidien. Mener les audits de sécurité et les revues de diligence raisonnable (due diligence) auprès des tiers, prestataires et partenaires afin de limiter les risques liés à la chaîne d'approvisionnement. Gérer et alimenter les KPI de l'équipe, les tableaux de bord opérationnels et les rapports d'activité pour offrir à la direction une visibilité précise sur la cartographie des risques et l'état d'avancement des plans d'action.
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CDI

Offre d'emploiIT Infrastructure Operations and Security Lead

Nexus Jobs Limited
Publiée le

£85k-100k
Grand Londres, Royaume-Uni
IT Infrastructure Operations and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key 3 party operational infrastructure vendor management - i.e. management of managed service partners as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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Freelance

Mission freelanceIngénieur EUC – Identities / Directory Services / Security

Signe +
Publiée le
Active Directory

12 mois
500-700 €
Paris, Île-de-France
ContexteDans le cadre du renforcement des équipes End User Computing (EUC), nous recherchons un Ingénieur expérimenté spécialisé dans les environnements d'identité, les services d'annuaire et la sécurisation des accès. Le consultant interviendra sur des environnements utilisateurs à forte composante Microsoft, avec un enjeu important autour de la gestion des identités, des accès et de la sécurité. Missions principalesAdministrer et maintenir les services d'identité et d'annuaire. Assurer la gestion des identités, comptes, groupes et droits d'accès. Participer à la sécurisation des environnements EUC. Gérer et faire évoluer les politiques d'accès et d'authentification. Contribuer à l'administration et à l'évolution d'Active Directory et des environnements d'identité Microsoft. Participer au traitement des incidents complexes liés aux identités, accès et Directory Services. Contribuer aux projets de migration, transformation et sécurisation des environnements Workplace / EUC. Participer à l'amélioration continue, à l'industrialisation et à la documentation des services. Compétences recherchéesCompétences principales : EUC / Digital Workplace Active Directory Microsoft Entra ID / Azure AD Directory Services Identity & Access Management (IAM) Gestion des accès et des habilitations Sécurité des identités GPO MFA / SSO Environnements Microsoft Compétences appréciées : PowerShell / automatisation Microsoft 365 Conditional Access Environnements hybrides AD / Cloud Gestion des incidents de niveau avancé Bonnes pratiques de sécurité IAM Profil recherché8 à 10 ans d'expérience dans les environnements infrastructure, Workplace/EUC ou Identity. Expérience significative sur Active Directory / Directory Services et Identity Management. Bonne maîtrise des problématiques de sécurité associées aux identités et aux accès. Capacité à intervenir sur des environnements complexes et à forte criticité. Autonomie, capacité d'analyse et bon niveau de communication.
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CDI

Offre d'emploiTechnicien informatique (F/H)

Havana IT & Apps
Publiée le
Administration linux

25k-32k €
Grenoble, Auvergne-Rhône-Alpes
Rejoignez le Groupe Havana en tant que technicien support informatique (F/H) ! Présentation du poste Dans le cadre du renforcement de notre équipe informatique, nous recrutons un profil de technicien informatique support N1 en CDI à temps plein, basé à Grenoble. Vous interviendrez au sein d'un environnement industriel complexe, structuré et documenté. Votre rôle principal sera d'assurer l'assistance de premier niveau auprès des utilisateurs, dans le respect des procédures et des bonnes pratiques ITIL. Vos missions Rattaché à l'équipe support informatique, vous aurez notamment pour missions de : Réceptionner les appels et les demandes des utilisateurs via la hotline ; Enregistrer, qualifier et prioriser les incidents et demandes dans l'outil de ticketing ; Réaliser un diagnostic de premier niveau ; Résoudre les incidents courants liés aux postes de travail, aux systèmes, aux réseaux et aux accès ; Appliquer les procédures et les solutions décrites dans la base de connaissances ; Escalader les incidents vers les équipes de niveau supérieur lorsque cela est nécessaire ; Assurer le suivi des tickets jusqu'à leur résolution ; Informer régulièrement les utilisateurs de l'avancement de leurs demandes ; Respecter les processus ITIL et les engagements de qualité de service ; Participer à l'enrichissement et à la mise à jour de la documentation technique ; Contribuer à l'amélioration continue du service support. Compétences techniques recherchées Maîtrise des commandes de base sous Linux ; Connaissances générales en systèmes informatiques ; Connaissances fondamentales en réseaux, notamment en adressage IP, DNS, DHCP et connectivité ; Capacité à diagnostiquer un incident informatique de premier niveau ; Utilisation d'un outil de gestion des tickets ; Utilisation d'outils de prise en main à distance ; Connaissance des principes ITIL appréciée ; Capacité à comprendre et à appliquer une documentation technique détaillée.
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Freelance

Mission freelanceCloud Security

Castelis
Publiée le
AWS Cloud
CI/CD
CrowdStrike

12 mois
500-550 €
Paris, France
Sécurité de l'infrastructure cloud (AWS)Réaliser des revues régulières de l'infrastructure AWS Gérer et auditer les politiques IAM (principe du moindre privilège) Assurer la surveillance continue via CloudTrail et Security Hub Maîtrise de AWS : IAM (politiques, rôles, moindre privilège), CloudTrail, Security Hub, GuardDuty, Config Compréhension des architectures cloud sécurisées (VPC, réseaux, chiffrement, gestion des secrets) Capacité à identifier et corriger les mauvaises configurations (misconfigurations) Sécurité applicative & CI/CDAutomatiser les scans de sécurité (SAST/DAST, analyse de vulnérabilités) Intégrer ces contrôles au sein du pipeline CI/CD Protection des données (DLP)Déployer et exploiter les solutions de prévention de fuite de données Superviser les outils CrowdStrike et Perplexity Bumblebee dédiés au DLP Sécurité des endpointsAssurer la réponse aux alertes de sécurité sur les postes de travail des employés via CrowdStrike Qualifier, investiguer et traiter les incidents détectés Sécurité de la chaîne d'approvisionnement logicielle (Supply Chain)Scanner les dépendances utilisées dans les projets Générer et maintenir les SBOM (Software Bill of Materials) Durcir le pipeline de build/déploiement contre les attaques supply-chain Lutte contre la fraudeInvestiguer et documenter les patterns de fraude identifiés Accompagner les équipes métier dans la mise en place de systèmes de détection et de prévention de la fraude Assurer le suivi des cas de fraude dans le temps (traçabilité, reporting, analyse de récurrence)
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Freelance

Mission freelanceIngénieur Cloud Network & Security GCP

Signe +
Publiée le
Google Cloud Platform (GCP)

12 mois
Paris, Île-de-France
ContexteRecherche d'un Ingénieur Cloud Network & Security senior pour concevoir, administrer et sécuriser les architectures réseau Cloud, avec une forte expertise Google Cloud Platform (GCP) et des problématiques d'interconnexion entre Cloud, Datacenter et On-Premise. Missions principalesConcevoir et administrer les architectures réseau sous GCP Gérer la connectivité Cloud ↔ Datacenter ↔ On-Premise Administrer les VPC et les mécanismes d'interconnexion Gérer le routage et la segmentation réseau Administrer les firewalls et règles de filtrage Sécuriser les flux réseau Gérer VPN, interconnexions et Load Balancing Diagnostiquer les incidents de connectivité et de sécurité Participer aux migrations et mises en production Automatiser les configurations avec Terraform / IaC Maintenir les architectures et documentations techniques Compétences indispensablesMust-have : GCP niveau expert Cloud Networking Network Security Firewalling VPC VPN / interconnexion Cloud-On-Premise TCP/IP BGP / routage Fortement recherchées : Cloud Interconnect Load Balancing DNS Palo Alto / Fortinet / Check Point Terraform / Infrastructure as Code Segmentation réseau / Zero Trust Scripting / automatisation Profil idéalUn Cloud Network Engineer senior spécialisé GCP, avec un vrai background réseau/sécurité. On ne cherche donc pas : un DevOps GCP généraliste sans expertise réseau ; un expert réseau On-Premise sans GCP ; un expert Cloud uniquement AWS/Azure ; un profil GCP orienté développement/Data sans Network Security.
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