26 to 50 of 510 Active Directory Jobs in London

support across a modern Microsoft environment. The IT Support Engineer will be responsible for resolving technical issues from mostly walk-ins, supporting M365, Active Directory and deploying laptops. Skills & Experience from the IT Support Engineer: Proven experience providing 1st/2nd Line IT Support … Microsoft environment. Strong Microsoft 365 administration and support experience. Solid knowledge of Active Directory user and group management. Experience supporting Windows 10 and Windows 11 operating systems. Laptop/device deployment and build using Intune Good understanding of the Microsoft End User Computing (EUC) stack. ...

covering cloud systems, infrastructure, networking and security, with responsibility for more complex technical work and escalations. You’ll work across firewalls, security incidents, Active Directory, Group Policy, Intune/MDM and networking, while also supporting client projects and helping improve their overall IT environments. This … issues. Investigate security breaches and perform root cause analysis. Configure, manage and update firewalls and routers. Create and manage Group Policies (GPOs) within Active Directory environments. Configure and manage Microsoft Intune and other MDM platforms. Create and configure VLANs and support wider network changes. Support Microsoft ...

Identity Associate Manager As a Digital Identity Associate manager , you will design, secure, and optimise enterprise identity solutions across Microsoft Entra ID and Active Directory environments. You will work directly with clients to modernise authentication, strengthen identity governance, and enhance AD resilience, contributing to robust … transformations). Manage identities and authentication services using Microsoft Entra ID, including SSO, Conditional Access, MFA, PIM, and authentication methods. Enhance and secure Active Directory environments, including AD tiered models, GPOs, DNS, PKI/Certification Authority, and AD recovery. Manage IAM lifecycle processes (provisioning, deprovisioning ...

home-working option. Roles include: Senior IAM/MIM Engineer: L2/L3 support within complex IAM environments Microsoft Identity Manager (MIM) Active Directory & Microsoft Entra ID Identity lifecycle, provisioning & synchronisation PowerShell IAM integrations and troubleshooting Automation, optimisation and service improvement Cloud IAM/Entra … access governance What we're looking for: Depending on the position, experience across some of the following: Microsoft Entra ID/Azure AD Active Directory Microsoft Identity Manager (MIM) Okta IAM/IGA PAM/BeyondTrust MFA/SSO PKI Identity lifecycle/JML Provisioning ...

onsite in London We are seeking an experienced PKI Architect to lead the architectural design and delivery of a migration from on-premises Active Directory Certificate Services (AD CS) to DigiCert ONE, a SaaS-based certificate management platform. This is a like-for-like replacement … business stakeholders to ensure a smooth, low-risk transition with minimal disruption to certificate consumers Required Skills & Experience Strong, demonstrable understanding of Active Directory Certificate Services (AD CS) Minimum 5 years' hands-on experience with enterprise-grade certificate management In-depth knowledge of certificates, PKI concepts ...

will involve: Taking ownership of Microsoft 365 services including Exchange Online, Teams, SharePoint Online, and Intune Managing both on-prem and cloud-based directory services (Active Directory and Entra ID) Providing high-quality IT support to a small team (~20 users), including traders … support or infrastructure, preferably in finance or professional services Expert-level knowledge of Microsoft 365 and related administration Deep understanding of Active Directory and Azure AD/Entra ID Strong PowerShell scripting skills for automation and system administration Proven ability to manage Windows-based endpoints ...

including configuration and troubleshooting. Provide technical support for both Windows and MacOS environments, including hardware and software troubleshooting. Manage users and devices in Active Directory (AD) or Azure Active Directory (Azure AD), including user accounts, groups, and group policy objects (GPOs). ...

from and within Asia. For further information about Nomura, visit www.nomura.com Role/Department Overview: We are seeking an experienced Authentication Services and Directory Services Product Owner to lead the strategic development and management of our comprehensive enterprise identity infrastructure. This role will drive the product roadmap … both authentication services and directory services, including Microsoft Entra ID (formerly Azure AD), Active Directory, LDAP, Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Microsoft Authenticator implementations across hybrid and cloud environments. The Product Owner will work closely with a dedicated Technical Lead ...

environments, including Exchange Online, SharePoint Online, Microsoft Intune, Microsoft Teams, and Microsoft Entra ID Assist with systems administration across Microsoft Windows Server, Active Directory, Group Policy, identity, access, and endpoint‐management technologies Troubleshoot networking, virtualization, security, and infrastructure‐related issues within assigned client environments Escalate complex … technologies Experience supporting Microsoft 365 environments, including Exchange Online, SharePoint Online, Microsoft Intune, and Microsoft Entra ID Working knowledge of Microsoft Windows Server, Active Directory, Group Policy, and related systems‐administration technologies Experience supporting endpoint protection or threat‐management solutions such as Sophos or similar platforms ...

solutions. Technical Leadership Provide hands‐on technical support and guidance across: Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive) Microsoft Entra ID (Azure AD) Active Directory & Group Policy Windows 10/11 & Windows Server Azure & Hybrid Cloud Environments Intune/Endpoint Management Microsoft Defender Suite Networking, Switching … stakeholder management skills. Excellent troubleshooting, problem‐solving and decision‐making abilities. Technical Knowledge Microsoft 365 Administration. Exchange Online, Teams, SharePoint and OneDrive. Active Directory and Microsoft Entra ID. Microsoft Intune and Endpoint Management. Windows Desktop and Windows Server technologies. Azure fundamentals and hybrid environments. TCP/ ...

Windows 11.Experience supporting and troubleshooting laptops, desktop computers, mobile devices, peripherals, and collaboration technologies. At least 2 years of experience working with Active Directory and/or Microsoft Entra ID (Azure Active Directory) and working knowledge of networking fundamentals, including TCP/ ...

VMware vSphere/ESXi and NetApp storage Support networking and security across firewalls, VPNs, VLANs, Wi-Fi, DNS and DHCP Administer and support Active Directory, Entra ID, Microsoft 365, Exchange Online, Intune and Autopilot Administer Mimecast and support email security, mail flow and DLP Use PowerShell … improvements across infrastructure, security and operational processes Essential Skills for the IT Infrastructure Engineer: Strong hands-on IT Infrastructure/3rd Line experience Active Directory, Entra ID and Microsoft 365 Intune, including policy, compliance and device management Exchange Online and strong understanding of email security ...

Mobile Device Management (MDM) Experience managing enterprise collaboration and messaging environments. Knowledge of Microsoft security and compliance features. Good to Have Skills Azure Active Directory (Microsoft Entra ID) Windows Server Administration VMware Infrastructure PowerShell scripting and automation. Microsoft Security solutions (Defender, Conditional Access, DLP). Hybrid … Exchange and Active Directory environments. Qualifications Bachelor's degree in Computer Science, Information Technology, or related field. Relevant certifications preferred: Microsoft 365 Certified: Enterprise Administrator Expert Microsoft Intune/Endpoint Administrator Okta Certified Administrator ITIL Foundation Key Competencies Leadership and stakeholder management Excellent communication and presentation ...

responsibilities will include: Administering and optimising Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive and Intune Managing identity and access across Active Directory and Entra ID Designing and supporting hybrid cloud infrastructure across Azure and on-premises environments Implementing and maintaining … administration experience across Microsoft 365 Expertise in Exchange Online, Teams, SharePoint Online, Intune and Entra ID Experience supporting hybrid Microsoft environments Strong Active Directory and identity management experience Experience with Azure cloud services PowerShell Scripting and automation experience Good understanding of networking fundamentals including DNS, VPNs ...

Microsoft Azure and on-premises infrastructure. Support the migration of VMware workloads into Azure IaaS and Hyper‐V. Manage on-premises Windows Server, Active Directory, DNS, DHCP and Group Policy. Manage Azure networking including VNets, subnets, NSGs, firewalls and hybrid connectivity. Support Cisco networking, including switching … Looking For 5+ years' experience in infrastructure or cloud engineering. Strong experience across Microsoft Azure and on-premises infrastructure. Strong Windows Server and Active Directory knowledge. Experience with VMware and Hyper‐V. Good understanding of Azure networking and hybrid cloud connectivity. Experience with Cisco networking. Strong ...

Audit undocumented client environments and provide technical recommendations based on findings Apply best-practice configurations to client security platforms such as Azure Active Directory Conditional Access, DUO Multifactor Authentication (MFA) services Perform system maintenance tasks including software and operating system patching, software version upgrades, critical patch … applications, and vulnerability remediation Provide advanced support of Active Directory such as Domain Controller upgrades, Group Policy creation, scheduled software deployments, network policy maintenance, and certificate management Interface with common technology support tools such as Remote Monitoring and Management (RMM), Mobile Device/Mobile Application Management ...

Manage technical risks and policy exceptions transparently, including compensating controls, accountable owners, expiration dates, and closure plans. Identity, Endpoint, and Service Delivery Administer Active Directory and Entra ID or equivalent identity platforms, including user and group lifecycle, authentication, authorization, federation, and policy enforcement. Manage Windows, macOS … security-sensitive organization. Strong hands-on expertise with Windows, macOS, and Linux; server administration and virtualization; Azure and/or AWS; and Active Directory and Entra ID or equivalent identity platforms. Practical experience implementing system and endpoint hardening, configuration baselines, patch management, vulnerability remediation, encryption, endpoint ...

security findings. Core Infrastructure SME Provide technical leadership across enterprise infrastructure including: Windows Server Linux/UNIX VMware/Hyper-V virtualisation Active Directory DNS/DHCP Storage platforms (SAN/NAS) Enterprise backup and recovery Middleware and supporting infrastructure Cloud platforms (Azure, AWS) Network infrastructure … highly regulated environments. Deep knowledge of Windows Server and Linux administration. Experience with VMware, Hyper-V, and enterprise virtualisation technologies. Strong understanding of Active Directory, DNS, DHCP, PKI, and identity infrastructure. Experience with storage, backup, disaster recovery, and high-availability solutions. Infrastructure Security Extensive experience delivering ...

deployments, maintenance and decommissioning. PowerShell – Scripting and automation for administration and operational tasks. VMware vSphere – Administration of enterprise virtual environments. Hyper-V advantageous. Active Directory – Administration of AD, DNS, DHCP and Group Policy. Server Security – Patching, OS upgrades, security hardening and vulnerability remediation. Infrastructure Support – Troubleshooting … Microsoft Intune, Infrastructure as Code (IaC) and Linux. ResponsibilitiesServer Infrastructure: Build, configure, deploy, maintain and retire Windows servers. Microsoft & Virtualisation: Manage Windows Server, Active Directory, DNS, DHCP, Group Policy and VMware vSphere. Automation & Improvement: Develop PowerShell scripts to automate tasks and improve efficiency. Troubleshooting & Security: Resolve ...

workstation applications such as Microsoft Exchange/Outlook, Microsoft Office in an on premise or cloud-based solution; access control policies via Windows Active Directory; remote access assistance and hardware issues. Provide 24x5 support on-site and to a global community of approximately 500 + users … with Level 2 & 3 internal and external teams/vendors as appropriate to help troubleshoot more complex incidents;Provide alert management to pro-active resolve failure alerts, degraded services and unavailable services through internal monitoring tools;Proactively automate common tasks to improve efficiency and increase productivity;Collaborate with ...

Robust experience deploying and managing DevOps tooling and container orchestration, including HAProxy, Kubernetes, Helm charts, HashiCorp Vault, ArgoCD, Istio, AKS, EKS, and ECS.Windows & Active Directory Knowledge: Solid working knowledge of Windows Server administration within an Active Directory environment. Scripting Skills: Excellent scripting ...

physical), patches, updates, and configuration changes in alignment with change management processes Manage and support identity and access management systems such as Active Directory, Azure/Entra ID and Okta Collaborate with teams across networking, identity, end-user computing, SaaS applications, and other technology stacks Maintain … Excellent technical skills, including ability to define trade-offs, ask probing questions, and incorporate technology solutions into a broader enterprise environment Pro‐active awareness of direct and indirect security threats Must be effective in working independently and in a team setting Strong oral and written communication skills ...

future infrastructure and service requirements. Lead Windows Server rebuild and upgrade projects, including domain controllers, file servers and DFS services. Support and enhance Active Directory, Entra ID and hybrid Microsoft 365 integrations. Develop, test and document disaster recovery capabilities, including recovery playbooks, remediation actions and operational … Proven experience as a Senior Infrastructure Engineer, designing and implementing Hyper-V environments within enterprise infrastructure estates. Strong Windows Server administration skills, including Active Directory, Group Policy, DNS, DHCP and DFS. Experience supporting hybrid Microsoft 365 environments, including Entra ID, Exchange and identity integration. Demonstrable experience ...

future infrastructure and service requirements. Lead Windows Server rebuild and upgrade projects, including domain controllers, file servers and DFS services. Support and enhance Active Directory, Entra ID and hybrid Microsoft 365 integrations. Develop, test and document disaster recovery capabilities, including recovery playbooks, remediation actions and operational … Proven experience as a Senior Infrastructure Engineer, designing and implementing Hyper-V environments within enterprise infrastructure estates. Strong Windows Server administration skills, including Active Directory, Group Policy, DNS, DHCP and DFS. Experience supporting hybrid Microsoft 365 environments, including Entra ID, Exchange and identity integration. Demonstrable experience ...

control recommendations.Security assessment and hardeningPerforming security reviews and configuration hardening across Microsoft 365 and Entra ID, Microsoft Azure, Amazon Web Services, on-premise Active Directory, and perimeter firewall estates.Conducting firewall security assessments across multiple vendor platforms: rule base review, management plane exposure, VPN and remote access … conditional access, PIM, Entra Connect), AWS and Oracle Cloud. Terraform for infrastructure as code.Endpoint and detection: CrowdStrike Falcon (EDR, NG-SIEM, LogScale).Identity: Active Directory, Entra ID, Group Policy, RBAC and privileged access.Frameworks: NIST CSF and NIST 800-53, CIS Benchmarks, and ISO 27001.Qualifications and certificationsYou ...