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CDI

Offre d'emploiIT Infrastructure Engineer 2nd and 3rd Line with Japanese

Nexus Jobs Limited
Publiée le

£40k-50k
Grand Londres, Royaume-Uni
IT Infrastructure Engineer 2 and 3 Line with Japanese Our Client an global company are looking to recruit an IT Support Engineer with 2 and 3 Line experience. You must be able speak in both English and Japanese. IT infrastructure system support and maintenance. Liaison with end user using Japanese and English, working closely with related parties to ensure a coordinated approach to IT infrastructure support and projects. Key Responsibilities: IT Infrastructure Engineer IT Infrastructure related project Communicate and coordinate with the person in charge of the project in HQ (in Japanese) Communicate and coordinate with the user in each office (in English) Provide support for to end users during system deployment/migration(User manual, user training) Global User Support Act as 2/3 line support for IT infrastructure related enquiries and incidents. Escalate the incidents to the appropriate vendors. Incident management with the ticketing system (etc. ServiceNow). Skills / Knowledge: Technical Proven working experience in IT Service management operations Basic network knowledge (e.g. TCP/IP, proxy, firewall, switching, routing and WiFi) Basic operation system knowledge (e.g. Windows10, Windows server, Azure) Basic Microsoft Office 365 knowledge Second line level technical support and problem-solving skill Communication Candidate needs to have strong interpersonal communication skills Ability to work both independently and as part of a team. Adoptability to work in a fast-changing environment Strong written and verbal communication skills Proficient in English & Japanese language skills (Reading/Writing/Speaking). User facing support skills Self-motivated and an innovative mindset Experience: 3+ years IT experience in a corporate environment. Second line technical support System Maintenance Microsoft Windows, Windows Server, Virtual desktop, Microsoft365 Cisco/Fortinet Project management experience preferred. The position is based in the City of London. The salary will be £40K - £50K. Do send your CV to us in Word format along with your salary and notice period.
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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'emploiSenior Network Engineer with Security and Cisco – City London

Nexus Jobs Limited
Publiée le

£60k-70k
Grand Londres, Royaume-Uni
Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. You will ideally be coming with experience from a City based investment bank. Salary for this role is between £60K and £70K plus banking benefits. Please send your CV to us in Word format.
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CDI

Offre d'emploiSenior Network Specialist with Security and Cisco – City London

Nexus Jobs Limited
Publiée le

Grand Londres, Royaume-Uni
Senior Network Specialist with Security and Cisco – City London Our Client urgently requires a Senior Network Specialist with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a datacentre and branch interconnectivity -Strong technical skills are essential -Experience of CISCO multilayer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. This is a contract role for up to 18 months to start immediately. Please send your CV to us in Word format.
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Freelance

Mission freelanceIngénieur Réseau Senior - SDWAN & Zscaler

KUBE Partners S.L. - Pixie Services
Publiée le
Fortinet
Google Cloud Platform (GCP)
Meraki

6 mois
400-600 €
Lille, Hauts-de-France
L'expert devra fournir les prestations suivantes : Dans le cadre des travaux, l'Expert Réseau Edge sera amené à traiter : Activités de RUN (Niveau 4) : Résolution des incidents de production niveau 4 en appui d'une équipe NOC Maintien au bon niveau de compréhension les équipes de niveau 1, 2 et 3 Planification, organisation et réalisation des opérations de maintenance Accompagnement des clients (CustomerProximity) répartis dans 80 pays Activités de BUILD : Debrief des objectifs du trimestre précédent dans une perspective d'amélioration continue Challenge des orientations techniques choisies et contribution concrète à l'amélioration du périmètre Définition trimestrielle collaborative des objectifs en mode agile Réalisation des objectifs validés Activités transverses : Agir pour un réseau standard, performant, fiable et automatisé Contribuer à animer et partager les bonnes pratiques à une communauté internationale Maintenir le périmètre au meilleur niveau de sécurité (patch management, vulnérabilités, audit) Maintenir une documentation de qualité à jour Être acteur de la stratégie NaaS - Network as a service L'expert devra fournir les prestations suivantes : Production des livrables techniques (documentation, schemas, scripts d'automatisation), Présentation pour validation des solutions envisagées dans les instances ad hoc, Délivrance d'avis techniques sur les orientations architecturales, Coordination dans certains cas de l'activité avec les équipes NOC et développement, Portage de l'engagement technique vis à vis du demandeur. Compétences attendues : Expert réseau formé sur les technologies SDWAN, Zscaler (SWG), disposant d'expériences sur : Firewall Meraki / Fortinet NAC, PKI, LAN, WLAN Programmation Python avancée DevOps / Infra as Code (Terraform, CI/CD, GithubActions) Cloud GCP et AWS Contexte de projets de type modernisation d'infrastructure réseau, automatisation, stratégie NaaS. Cette mission requiert la connaissance du domaine réseau d'entreprise transverse sur des capacités à la fois en RUN et en BUILD.
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Les métiers et les missions en freelance pour Firewall

Consultant·e en cybersécurité

Le/ La consultant·e en cybersécurité utilise les firewalls pour analyser les vulnérabilités, recommander des solutions de protection et implémenter des politiques de sécurité afin de protéger les infrastructures des entreprises contre les attaques.

Ingénieur·e en cybersécurité

L'ingénieur·e en cybersécurité configure, surveille et optimise les firewalls pour protéger les réseaux et systèmes d’information contre les menaces externes et internes.

Administrateur·rice réseaux

L'administrateur·rice réseaux configure les firewalls dans le cadre de la gestion des réseaux pour garantir leur sécurité et prévenir les intrusions non autorisées.

Responsable sécurité informatique (CISO)

Le/ La responsable sécurité informatique supervise la gestion des firewalls dans une organisation, assurant une protection optimale des données sensibles et la conformité aux normes de sécurité.

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