1 to 25 of 189 Active Directory Jobs in Central London

Job Title: Identity & Access Management (IAM) Specialist – (Active Directory, Entra, Okta, SailPoint, CyberArk) Location: Hybrid SC Clearance Mandatory for this role. Overview: Join a dynamic Identity & Access Management team supporting both IT and Operational Technology systems within a critical utilities environment. This role focuses on implementing and managing corporate and operational identity solutions, ensuring compliance with … relevant security frameworks, and supporting the transition of IAM services to third-party partners. We are seeking a seasoned IAM professional with deep expertise in Active Directory, Entra ID (Azure AD), and Okta , along with experience or familiarity in SailPoint or CyberArk . The ideal candidate will support both Identity Governance & Administration (IGA) and Privileged Access … Threat Detection & Response (ITDR) systems. Collaborate with SOC teams to detect privileged account misuse and insider threats. Identity & Access Management (IAM): Design, implement, and maintain IAM solutions leveraging Active Directory, Entra ID, Okta, SailPoint, and CyberArk. Configure Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Conditional Access Policies for OT integration with existing IT tooling. More ❯

contract, inside IR35. It's important to note that this Identity Solution Engineer role will require 5 days per week on site in Chippenham and you must have active SC Clearance. This Identity Solution Engineer role would suit somebody with experience working as an Identity Engineer, Infrastructure Engineer, or Systems Administrator with a focus on Microsoft identity technologies. … required for this Identity Solution Engineer role are: SC Cleared Defence experience Implement and configure a new new on-premise identity solution built on Microsoft Windows Server 2022, Active Directory, and Active Directory Federation Services. Windows Server 2022 installation, configuration, and management. Active Directory design, replication, Group Policy … and security. Microsoft Certified: Identity and Access Administrator Associate or equivalent. Experience with PowerShell scripting for automation and operational support. Familiarity with monitoring and alerting solutions for Active Directory and ADFS. If you do have the relevant experience for this Identity Solution Engineer role, please do apply. More ❯

Senior Infrastructure Engineer – Azure, AWS, Active Directory, Exchange, Group Policy, Meraki, Fortinet, SD-WAN, PowerShell, ITIL, Change Management, Hybrid (4 days p/w in London), Site Travel Up to £80,000 Basic + Benefits + Travel Expenses This is a fantastic Senior Infrastructure Engineer opportunity to work with a leading infrastructure services organisation, driving design … and cloud environments, ensuring reliability, scalability, and security. The Senior Infrastructure Engineer will have strong experience with Azure and AWS cloud services, as well as sound knowledge of Active Directory, Exchange, and Group Policy. As Senior Infrastructure Engineer, excellent capabilities across networking is essential, including hands-on experience with Fortinet Firewalls and Cisco Meraki. ITIL Certification … Engineer, and willingness and ability to commute to various Group sites is essential. Key Skills as Senior Infrastructure Engineer: Azure and AWS cloud infrastructure expertise. Strong knowledge of Active Directory, Exchange, and Group Policy. Hands-on experience with Fortinet Firewalls and Cisco Meraki. Solid networking skills across on-prem and cloud environments. Familiarity with ITIL practices More ❯

Senior Infrastructure Engineer – Azure, AWS, Active Directory, Exchange, Group Policy, Meraki, Fortinet, SD-WAN, PowerShell, ITIL, Change Management, Hybrid (4 days p/w in London), Site Travel Up to £80,000 Basic + Benefits + Travel Expenses This is a fantastic Senior Infrastructure Engineer opportunity to work with a leading infrastructure services organisation, driving design … and cloud environments, ensuring reliability, scalability, and security. The Senior Infrastructure Engineer will have strong experience with Azure and AWS cloud services, as well as sound knowledge of Active Directory, Exchange, and Group Policy. As Senior Infrastructure Engineer, excellent capabilities across networking is essential, including hands-on experience with Fortinet Firewalls and Cisco Meraki. ITIL Certification … Engineer, and willingness and ability to commute to various Group sites is essential. Key Skills as Senior Infrastructure Engineer: Azure and AWS cloud infrastructure expertise. Strong knowledge of Active Directory, Exchange, and Group Policy. Hands-on experience with Fortinet Firewalls and Cisco Meraki. Solid networking skills across on-prem and cloud environments. Familiarity with ITIL practices More ❯

Service Desk Analyst – City of London – Windows, SCCM, Active Directory, VDI, O365, ServiceNOW - £40,000 - £44,000 A leading brokerage based in the City of London is looking to hire a talented Service Desk Analyst to join their already established support function. In this role you will act as the first point of contact for employees … SLAs are met and customer service levels are maintained. To be considered for the role you will require the following skill-set: Windows OS SCCM VDI ServiceNOW O365, Active Directory This is a fantastic opportunity to work for a market-leading financial firm who are at the forefront of technology. If you want to work for … apply now. For immediate inquiries please contact Harriet Lamplugh de Smith at Harrington Starr on 07906 861860/harriet@harringtonstarr.com Service Desk Analyst – City of London – Windows, SCCM, Active Directory, VDI, O365, ServiceNOW More ❯

Service Desk Analyst – City of London – Windows, SCCM, Active Directory, VDI, O365, ServiceNOW - £40,000 - £44,000 A leading brokerage based in the City of London is looking to hire a talented Service Desk Analyst to join their already established support function. In this role you will act as the first point of contact for employees … SLAs are met and customer service levels are maintained. To be considered for the role you will require the following skill-set: Windows OS SCCM VDI ServiceNOW O365, Active Directory This is a fantastic opportunity to work for a market-leading financial firm who are at the forefront of technology. If you want to work for … apply now. For immediate inquiries please contact Harriet Lamplugh de Smith at Harrington Starr on 07906 861860/harriet@harringtonstarr.com Service Desk Analyst – City of London – Windows, SCCM, Active Directory, VDI, O365, ServiceNOW More ❯

About the Role As a Senior/Principal Offensive Consultant , you'll lead complex technical engagements that go beyond standard penetration testing - focusing on advanced exploitative infrastructure testing , Active Directory compromise , and assumed breach assessments . You'll work directly with clients to scope, plan, and deliver high-impact projects, while helping to expand the organisation … s Red Team and adversarial simulation services . Key Responsibilities: Lead and deliver high-level infrastructure and Active Directory penetration testing engagements. Conduct advanced exploitative testing , lateral movement analysis, and privilege escalation within real-world environments. Support presales activity - crafting scopes, proposals, and technical solutions aligned with client objectives. Build and maintain strong, trusted client relationships … services, and seeing your work directly shape business growth. Essential Skills & Experience: Proven background in offensive security consulting or senior penetration testing ( with particular emphasis on infrastructure and Active Directory). Deep understanding of exploit development, privilege escalation, and lateral movement techniques. Experience with adversarial simulation , assumed breach , or Red Teaming (or a strong interest in More ❯

Incidents , including Root Cause Analysis (RCA) and Reason for Outage (RFO) reports Azure Active Directory (Identity, MFA, Conditional Access) Microsoft 365 administration and support Microsoft Active Directory, Exchange, AOVPN, Windows Server OS Intune, Endpoint Management, MDM solutions Scripting with PowerShell Knowledge of File System Technologies Strong understanding of core domain services: DNS More ❯

Incidents , including Root Cause Analysis (RCA) and Reason for Outage (RFO) reports Azure Active Directory (Identity, MFA, Conditional Access) Microsoft 365 administration and support Microsoft Active Directory, Exchange, AOVPN, Windows Server OS Intune, Endpoint Management, MDM solutions Scripting with PowerShell Knowledge of File System Technologies Strong understanding of core domain services: DNS More ❯

disaster recovery and failover testing. Install and configure Dell Blade and Rackmount server hardware, including firmware updates, BIOS configurations, and hardware lifecycle management. Roll out, maintain, and troubleshoot Microsoft Active Directory, including Group Policy, DNS, DHCP, and replication. Deploy and manage Microsoft Certificate Services (PKI infrastructure) — handling certificate lifecycle management, issuance, and renewal. Implement Microsoft Exchange … enterprise-scale environment. In-depth expertise with VMware vSphere 7.x and VMware Site Recovery Manager (SRM). Strong understanding of Dell Blade and Rackmount server hardware. Skilled in Microsoft Active Directory, Group Policy, DNS, and DHCP administration. Experience managing Microsoft Certificate Services (PKI infrastructure). Hands-on experience with Microsoft Exchange Server (on-premises) and Exchange More ❯

disaster recovery and failover testing. Install and configure Dell Blade and Rackmount server hardware, including firmware updates, BIOS configurations, and hardware lifecycle management. Roll out, maintain, and troubleshoot Microsoft Active Directory, including Group Policy, DNS, DHCP, and replication. Deploy and manage Microsoft Certificate Services (PKI infrastructure) — handling certificate lifecycle management, issuance, and renewal. Implement Microsoft Exchange … enterprise-scale environment. In-depth expertise with VMware vSphere 7.x and VMware Site Recovery Manager (SRM). Strong understanding of Dell Blade and Rackmount server hardware. Skilled in Microsoft Active Directory, Group Policy, DNS, and DHCP administration. Experience managing Microsoft Certificate Services (PKI infrastructure). Hands-on experience with Microsoft Exchange Server (on-premises) and Exchange More ❯

workload including: Delivering 1st & 2nd line technical support with professionalism and pace Troubleshooting hardware, software and networking issues (Windows, macOS, AD, Exchange, VoIP etc.) Proactively managing Microsoft Exchange, Active Directory, cloud storage, DR, VoIP and more Managing tickets and resolving issues within SLAs Maintaining accurate client and system documentation Recommending improvements and contributing to IT projects … Windows 10/11 and macOS Solid understanding of LAN/WAN/Wi-Fi networking Proficiency in Windows Server 2012/2016/2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP/IP networking and system configuration Experience with cloud platforms such as Office More ❯

workload including: Delivering 1st & 2nd line technical support with professionalism and pace Troubleshooting hardware, software and networking issues (Windows, macOS, AD, Exchange, VoIP etc.) Proactively managing Microsoft Exchange, Active Directory, cloud storage, DR, VoIP and more Managing tickets and resolving issues within SLAs Maintaining accurate client and system documentation Recommending improvements and contributing to IT projects … Windows 10/11 and macOS Solid understanding of LAN/WAN/Wi-Fi networking Proficiency in Windows Server 2012/2016/2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP/IP networking and system configuration Experience with cloud platforms such as Office More ❯

Perform full lifecycle server administration : build, patch, configure, secure, and decommission systems. Plan and execute server migrations for both physical and virtual workloads (Windows, Linux). Carry out Active Directory forest and domain separations , Deploy and manage Azure Arc , Defender for Cloud , and related hybrid management agents. Conduct firmware and BIOS updates , disk replacements, racking, cabling … servers, virtualised environments, and cloud-based services. Skills & Experience Required Core Technical Expert-level knowledge of Windows Server administration (2016–2022) and/or Linux. Practical experience in Active Directory , DNS , DHCP , Group Policy , and PowerShell scripting . Hands-on experience with Azure Cloud services , particularly IaaS , Defender for Cloud , and Azure Arc . Security & Governance More ❯

Perform full lifecycle server administration : build, patch, configure, secure, and decommission systems. Plan and execute server migrations for both physical and virtual workloads (Windows, Linux). Carry out Active Directory forest and domain separations , Deploy and manage Azure Arc , Defender for Cloud , and related hybrid management agents. Conduct firmware and BIOS updates , disk replacements, racking, cabling … servers, virtualised environments, and cloud-based services. Skills & Experience Required Core Technical Expert-level knowledge of Windows Server administration (2016–2022) and/or Linux. Practical experience in Active Directory , DNS , DHCP , Group Policy , and PowerShell scripting . Hands-on experience with Azure Cloud services , particularly IaaS , Defender for Cloud , and Azure Arc . Security & Governance More ❯

with security, cloud, and networking teams to maintain stability and compliance throughout each migration phase. Key Responsibilities Plan and execute server migrations (physical, virtual, and cloud-based) Manage Active Directory separations, OU restructures, and Azure integrations Deploy and support Azure Arc, Defender for Cloud, and hybrid management agents Apply and validate security baselines and compliance standards … documentation is up to date Skills and Technical Areas Strong hands-on experience with Windows Server (2016–2022) and/or Linux administration Solid understanding of Azure IaaS, Active Directory, and virtualisation (VMware, Hyper-V) Knowledge of networking, identity, and security principles Previous experience in M&A separations, infrastructure carve-outs, or data centre migrations Excellent More ❯

with security, cloud, and networking teams to maintain stability and compliance throughout each migration phase. Key Responsibilities Plan and execute server migrations (physical, virtual, and cloud-based) Manage Active Directory separations, OU restructures, and Azure integrations Deploy and support Azure Arc, Defender for Cloud, and hybrid management agents Apply and validate security baselines and compliance standards … documentation is up to date Skills and Technical Areas Strong hands-on experience with Windows Server (2016–2022) and/or Linux administration Solid understanding of Azure IaaS, Active Directory, and virtualisation (VMware, Hyper-V) Knowledge of networking, identity, and security principles Previous experience in M&A separations, infrastructure carve-outs, or data centre migrations Excellent More ❯

ensure smooth cutovers, compliance alignment, and minimal downtime across each migration wave. What You’ll Do Lead and execute server migrations (physical, virtual, and cloud-based). Manage Active Directory separations, OU restructuring, and Azure integration. Deploy and support Azure Arc, Defender for Cloud, and hybrid management tools. Enforce security baselines and ensure compliance across all … produce documentation, and track progress. What You’ll Bring Strong hands-on experience with Windows Server (2016–2022) and/or Linux administration. Solid understanding of Azure IaaS, Active Directory, and virtualisation (VMware, Hyper-V). Knowledge of networking, identity, and security fundamentals. Proven experience in M&A separations, infrastructure carve-outs, or data centre migrations. More ❯

ensure smooth cutovers, compliance alignment, and minimal downtime across each migration wave. What You’ll Do Lead and execute server migrations (physical, virtual, and cloud-based). Manage Active Directory separations, OU restructuring, and Azure integration. Deploy and support Azure Arc, Defender for Cloud, and hybrid management tools. Enforce security baselines and ensure compliance across all … produce documentation, and track progress. What You’ll Bring Strong hands-on experience with Windows Server (2016–2022) and/or Linux administration. Solid understanding of Azure IaaS, Active Directory, and virtualisation (VMware, Hyper-V). Knowledge of networking, identity, and security fundamentals. Proven experience in M&A separations, infrastructure carve-outs, or data centre migrations. More ❯

. Manage antivirus and malware systems, investigating and resolving security alerts. Ensure data integrity through reliable backup configuration, testing, and disaster recovery processes. Administer and monitor Active Directory, Azure Entra, and Intune environments. Manage compliance policies, conditional access, and mobile device management. Work with third-party providers supporting SIEM and threat analytics systems. Lead on implementing … Essential Skills & Experience Proven experience in IT infrastructure, desktop, or systems support. Strong technical knowledge of Microsoft operating systems (Windows client and server). Hands-on experience with Active Directory, Intune, and Azure Entra. Familiarity with antivirus, backup, and monitoring solutions. Excellent written and verbal communication skills. Highly organised, methodical, and capable of managing multiple priorities. More ❯

/V, desktop, and peripheral device issues (laptops, printers, cameras, microphones, etc.). Support Microsoft 365 environment – Outlook, Teams, SharePoint, OneDrive, etc. Manage user accounts and permissions via Active Directory . Support device imaging, deployment, and patching using tools such as SCCM or Intune . Ensure IT assets and conference rooms remain fully operational and meet … issues promptly. Required Skills & Experience Proven experience in IT Support, Desktop Support, or A/V Support roles. Strong understanding of Windows 10/11 , Microsoft 365 , and Active Directory . Hands-on experience with Audio/Visual setup and troubleshooting (Teams Rooms, Zoom Rooms, or similar). Excellent communication and problem-solving skills. Ability to More ❯

/V, desktop, and peripheral device issues (laptops, printers, cameras, microphones, etc.). Support Microsoft 365 environment – Outlook, Teams, SharePoint, OneDrive, etc. Manage user accounts and permissions via Active Directory . Support device imaging, deployment, and patching using tools such as SCCM or Intune . Ensure IT assets and conference rooms remain fully operational and meet … issues promptly. Required Skills & Experience Proven experience in IT Support, Desktop Support, or A/V Support roles. Strong understanding of Windows 10/11 , Microsoft 365 , and Active Directory . Hands-on experience with Audio/Visual setup and troubleshooting (Teams Rooms, Zoom Rooms, or similar). Excellent communication and problem-solving skills. Ability to More ❯

efficiently Deliver high-quality, customer-focused support to end users, including senior stakeholders Support and maintain business applications such as Bloomberg, FactSet, Salesforce, and Zoom Administer and maintain Active Directory, Exchange, and endpoint security tools Configure and deploy HP and Lenovo laptops, desktops, and peripherals Contribute to IT projects including upgrades, migrations, and new technology rollouts … potential issues early Key Requirements: Proven experience in a deskside or technical support role within professional or financial services Strong knowledge of Windows 10/11, Office 365, Active Directory, and Exchange Experience with support tools such as ServiceNow, SCCM, or similar platforms Excellent communication skills with the ability to support senior users effectively Awareness of More ❯

efficiently Deliver high-quality, customer-focused support to end users, including senior stakeholders Support and maintain business applications such as Bloomberg, FactSet, Salesforce, and Zoom Administer and maintain Active Directory, Exchange, and endpoint security tools Configure and deploy HP and Lenovo laptops, desktops, and peripherals Contribute to IT projects including upgrades, migrations, and new technology rollouts … potential issues early Key Requirements: Proven experience in a deskside or technical support role within professional or financial services Strong knowledge of Windows 10/11, Office 365, Active Directory, and Exchange Experience with support tools such as ServiceNow, SCCM, or similar platforms Excellent communication skills with the ability to support senior users effectively Awareness of More ❯

high quality IT support services. Key responsibilities of the IT Support Engineer: - Provide 1st and 2nd line support to end users. - Troubleshoot and resolve issues related to M365, Active Directory and Windows 11. - Assist with onboarding/offboarding processes and general system maintenance. - Providing support with additional IT projects. - Setting up devices. IT Support Engineer Experience …/Technologies: - Understanding of Windows 10/11 operating system – Administration, support and builds - Microsoft Stack including Office 365 and Intune – Administration and support - Active Directory – Administration and management - Using ticketing system to respond to portal requests – User support - Joiners Movers Leavers experience. The successful candidate will be required to work 5 days a week onsite More ❯