1 to 25 of 439 Active Directory Jobs in London

Identity Infrastructure Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£447.00 per day
Directory upgrades, migrations and infrastructure improvement programmes. Implement security hardening standards and privileged access controls. Public Key Infrastructure (PKI) Administer Microsoft Active Directory Certificate Services (AD CS). Manage Certificate Authorities, templates, enrolment processes and certificate lifecycle management. Support Offline Root … Active Directory backup and recovery Experience troubleshooting complex authentication and directory service issues. PKI Strong experience with Microsoft Active Directory Certificate Services (AD CS). Experience managing: Certificate Authorities Certificate Templates CRL and AIA infrastructure Certificate lifecycle management Certificate enrolment ...

Identity Infrastructure Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£447/day £447 per day (inside IR35)
Directory upgrades, migrations and infrastructure improvement programmes. Implement security hardening standards and privileged access controls. Public Key Infrastructure (PKI) Administer Microsoft Active Directory Certificate Services (AD CS). Manage Certificate Authorities, templates, enrolment processes and certificate lifecycle management. Support Offline Root … Active Directory backup and recovery Experience troubleshooting complex authentication and directory service issues. PKI Strong experience with Microsoft Active Directory Certificate Services (AD CS). Experience managing: Certificate Authorities Certificate Templates CRL and AIA infrastructure Certificate lifecycle management Certificate enrolment ...

MS AD / Entra ID Engineer - Active Directory (6-month contract)

Location
Greater London, England, United Kingdom
Select how often (in days) to receive an alert: Job Title: MS AD/Entra ID Engineer - Active Directory (6-month contract) Job Code: 14889 Country: GB City: London Skill Category: IT\\Technology Description: Job Title: MS AD/Entra ID Engineer - Active Directory … delivering unparalleled access to, from and within Asia. For further information about Nomura, visit www.nomura.com Overview: We are seeking an experienced Microsoft Active Directory/Entra ID Engineer to join Authentication and Directory Services Engineering function. The position focuses on designing and delivering enterprise ...

Identity Architect

Location
Greater London, England, United Kingdom
existing environment to the future operating model Lead Entra ID architecture, including tenant configuration, identity synchronisation, authentication, federation, domains, administrative boundaries and directory-service integration Define secure hybrid identity patterns for existing and newly introduced cloud and target services Design identity lifecycle management covering joiner, mover and leaver … specialist identity requirements Design privileged-access controls, including break-glass accounts, delegated administration, administrative boundaries and separation of duties Define the future Active Directory Domain Services strategy, including domains, forests, organisational units, trusts, Group Policy dependencies, legacy authentication and administrative models Assess the existing Active ...

Active Directory Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Active Directory Architect 6-month Contract Remote working £600 - £700/day, Inside IR35 We're recruiting for an Active Directory Architect to support an enterprise identity programme. This role will focus on Active Directory, Entra ID, Okta …/PAM solutions, working closely with security and infrastructure teams to design and deliver secure identity services. Key Responsibilities: Design and architect Active Directory solutions Develop and improve Entra ID and Okta environments Support IAM and PAM architecture and implementation Define identity, authentication and access management ...

Identity Architect - Hybrid London

Location
Greater London, England, United Kingdom
identity and services are delivered across one of our clients organisation. As part of this programme, we are looking for an experienced Identity & Directory Architect to design the identity and directory foundation that will underpin the transformation. This is a key architecture role with responsibility … while progressively introducing new target services. You will lead the development of an Entra ID-led identity strategy , working across Microsoft Entra ID, Active Directory, authentication, identity lifecycle, directory services and DNS. You will need to balance the requirements of the existing estate with ...

Exchange SME

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 440 per day
Exchange Messaging SME – Exchange, Active Directory & Microsoft Sentinel Job Summary We are looking for an experienced Exchange/Messaging/SME with strong expertise in Microsoft Exchange, Active Directory (AD), and Microsoft Sentinel. The successful candidate will be responsible for supporting, maintaining … Manage Exchange Online, connectors, transport rules, shared mailboxes, and distribution groups. Support migrations and hybrid Exchange environments. Monitor Exchange health, performance, and availability. Active Directory Administer and troubleshoot enterprise Active Directory environments. Manage users, groups, computers, OUs, Group Policy, DNS, and authentication. ...

IAM Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75,000
looking for a hands-on Senior IAM Engineer to take ownership of our identity strategy and lead the transformation from a traditional Active Directory environment to a modern Microsoft Entra ID-centric architecture. This is a unique opportunity to play a pivotal role in shaping … Microsoft Graph API Ability to develop technical documentation, architecture designs and communicate effectively with technical and business stakeholders Key Technologies Microsoft Entra ID Microsoft Active Directory Azure AD Connect Microsoft Intune Microsoft Azure Conditional Access SSO & MFA Identity Governance Privileged Identity Management (PIM) PowerShell Microsoft Graph ...

Senior Systems Engineer, User Support

Hiring Organisation
Arch Capital Group
Location
London, UK
Employment Type
Full-time
Engineer (Team Lead) is responsible for the administration and operation of the firm's Infrastructure. This role requires an in-depth knowledge of Active Directory, Azure, MFA, VMware ESX, Windows security, and related technologies. The candidate will be part of the Cloud & Compute Engineering group. Candidate … Senior Systems Engineers of IT Operations. Job Functions: Candidate MUST have strong Power Shell scripting experience as well as operational responsibility over the Active Directory, DNS, DHCP and PKI services. Strong Azure Iaas + PaaS and Office 365/Exchange Online experience. Install and maintain hardware ...

Active Directory Engineer

Hiring Organisation
DGH Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
exciting opportunity has arisen for an Active Directory Engineer to join a leading global law firm on an initial 3-month contract. PLEASE NOTE - This contract will fall inside IR35 Key Responsibilities Manage and support Active Directory, including Group Policy, DNS, DHCP … mentoring team members, coordinating operational activities and supporting project delivery. Key Experience 5+ years' experience supporting enterprise infrastructure environments. Strong expertise in Microsoft Active Directory, Group Policy, DNS, DHCP, PKI and Windows Server technologies. Experience managing Microsoft Azure and Entra services, including identity and access management. ...

AD Engineer

Location
Greater London, England, United Kingdom
core infrastructure services across on-premise and cloud environments. This is a hands‐on role focused on the management, support and lifecycle of Active Directory and Microsoft infrastructure , with strong exposure to Azure and Entra ID . Key Responsibilities Manage and support Active Directory … . Support and manage Azure and Microsoft Entra ID services, including: Conditional Access Role and Group Management Entra Connect Microsoft Authenticator On-premise Active Directory integration Group Policy and Intune policies Defender for Identity Support SSO and authentication services across the enterprise. Perform server migrations, upgrades ...

Penetration Tester - Cloud Security, Active Directory, APIs

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Penetration Tester - Cloud Security, Active Directory, APIs Market Rate (Inside IR35) 6 Months initially Hybrid in London A client of mine is looking for a hands-on Penetration Tester to support their cybersecurity function, with some responsibilities across security operations and incident response. The right candidate … will have experience conducting infrastructure, Web Application, API, Cloud and Active Directory penetration tests within complex environments. Key Requirements: Proven commercial experience as a Penetration Tester, within a large enterprise environment. Strong hands-on Penetration Testing experience across Web Applications, APIs, infrastructure, Active Directory ...

IT Administrator

Location
Greater London, England, United Kingdom
infrastructure, and desktop systems at regional site. The candidate who fills this position will be responsible for supporting all aspects of Side’s Active Directory domains, Windows, Mac and Linux Servers, Network Systems and Infrastructure, PC and Mac desktops, mobile devices, and IT Operations … they apply to ISO27001 and PCI-DSS. What You’ll Be Doing Manage and monitor corporate computing environment including but not limited to: Active Directory Service Network Routers, Switches, Security Appliances, and Wireless Access Points Office 365 setup and administration Intune (MDM) User Account Administration Data ...

IAM Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
/day Inside IR35 We're recruiting for an IAM Architect to support an enterprise identity transformation programme. The role covers Active Directory, Entra ID, Okta, IAM and PAM, working closely with Security and Infrastructure teams to deliver secure, scalable identity solutions. They're looking … enterprise IAM architecture experience, with solid knowledge of authentication, access controls and privileged access. Key Responsibilities: Design and develop enterprise IAM architecture across Active Directory, Entra ID, Okta and PAM Define identity, authentication and access management strategies Support identity transformation, migration and modernisation programmes Work closely ...

Application Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Application Engineer Role Overview: The Application Engineer will be responsible for the end-to-end migration and remediation of applications impacted by identity, directory, domain, DNS, certificate, or Single Sign-On (SSO) changes as part of the merger programme. The Application Engineer will act as the technical owner … dependencies, certificate requirements, vendor relationships, and business impacts to support successful migration and remediation activities. Required Technical Skills: * Enterprise applications integrated with Active Directory or Microsoft Entra ID * Application authentication, authorisation, and access control models * Single Sign-On (SSO) technologies including SAML 2.0, OpenID Connect ...

Identity & Application Integration Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Engineer Role Overview: Identity & Application Integration Engineer will be responsible for the end-to-end migration and remediation of applications impacted by identity, directory, domain, DNS, certificate, or Single Sign-On (SSO) changes as part of the merger programme. Identity & Application Integration Engineer will act as the technical … dependencies, certificate requirements, vendor relationships, and business impacts to support successful migration and remediation activities. Required Technical Skills: * Enterprise applications integrated with Active Directory or Microsoft Entra ID * Application authentication, authorisation, and access control models * Single Sign-On (SSO) technologies including SAML 2.0, OpenID Connect ...

Identity and Access Management Engineer (IDAM and Azure)

Location
Greater London, England, United Kingdom
manage user identities, access controls and authentication protocols across cloud and hybrid environments. This role centres on Microsoft Entra ID, formerly Azure Active Directory, and supports the protection of enterprise systems through Zero Trust security models, strong authentication, least privilege access and effective identity governance. … environments, including users, groups, enterprise applications, app registrations, administrative roles and tenant settings. Implement and secure cloud and hybrid identity architectures, including Active Directory integration, Microsoft Entra Connect, synchronisation, federation and identity migration patterns. Configure identity lifecycle processes, including joiner, mover and leaver workflows, role-based ...

IT Help Desk Team Leader

Hiring Organisation
Taylor James Resourcing
Location
London, UK
Employment Type
Full-time
Good working knowledge of Productivity and collaboration applications such as Teams, SharePoint, OneDrive, and Exchange would be advantageous. Knowledge and experience of – o Active Directory & Azure Active Directory administration Skills – (Knowledge and/or experience/exposure of the following are required … similar) Azure AD (including, but not limited to conditional access, SSO, application registration, provisioning), M365 & Intune Windows Server/client Windows certificate services Active Directory (and associated technologies), Exchange Server, clustering, and file servers SMTP HPe hardware Network routing/802.1x/firewalling Cisco call manager ...

Identity & Access Management Engineer

Location
Greater London, England, United Kingdom
across IAM platforms Implement and support role-based access control (RBAC), access governance and certification processes Develop integrations using APIs, web services and directory technologies Investigate and resolve identity, provisioning and access-related issues Collaborate with security, infrastructure, application and business teams to deliver IAM services Support testing … identity lifecycle management and access provisioning processes Experience integrating applications using REST APIs, web services and identity data sources Experience with enterprise directory services including Active Directory, LDAP and Microsoft Entra ID Knowledge of RBAC, access governance, certification and compliance controls Experience troubleshooting identity ...

Senior IT Engineer

Location
Greater London, England, United Kingdom
infrastructure. You will own critical enterprise systems, automate workflows, and drive continuous improvement across IT operations and infrastructure projects. Key Responsibilities Core Infrastructure & Active Directory Administer, maintain, and monitor hybrid identity and global Active Directory environments (Azure AD/Entra ID, GPOs … process improvements. Technical Skills & Experience 5+ years managing Microsoft 365 enterprise environments (Exchange Online, SharePoint, Teams, Intune). Deep technical expertise in hybrid Active Directory, Azure AD Connect, SSO, MFA, Conditional Access, and identity protection. Hands-on experience supporting Windows, macOS, and Linux Server environments. Advanced ...

IT Technician

Hiring Organisation
Harris Federation
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£34,359 - £36,423 per annum
Manager and Infrastructure team to support the on-site infrastructure elements such as physical & virtual servers, UPS’s and other networked devices Administering Active Directory user login accounts Managing Active Directory Distribution and Security groups within the Academy With the assistance … Recent experience of working in an on-site IT based, Customer Service environment Proven experience of supporting Microsoft products Proven experience of managing Active Directory user accounts Recent experience of supporting Apple products Recent experience of supporting Windows 10 PCs, laptops and tablets For a full ...

Wintel Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£517/day Inside IR35
Umbrella) Location: Fully Remote (UK) Contract Length: ASAP start to 31/12/2026 IR35 Status: Inside IR35 Security Clearance: Active SC Clearance Required Your new company A leading organisation is seeking experienced Wintel Engineers to support and maintain critical Microsoft infrastructure within a secure and highly … infrastructure changes. Key responsibilities Administer and support Windows Server environments across physical, virtual and Azure platforms. Support and maintain Azure Local solutions. Manage Active Directory, PKI, Group Policy, DNS and DHCP services. Perform server provisioning, patching, upgrades and lifecycle management. Work with Microsoft System Center technologies ...

Wintel Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£517.00 per day
Umbrella) Location: Fully Remote (UK) Contract Length: ASAP start to 31/12/2026 IR35 Status: Inside IR35 Security Clearance: Active SC Clearance Required Your new company A leading organisation is seeking experienced Wintel Engineers to support and maintain critical Microsoft infrastructure within a secure and highly … infrastructure changes. Key responsibilities Administer and support Windows Server environments across physical, virtual and Azure platforms. Support and maintain Azure Local solutions. Manage Active Directory, PKI, Group Policy, DNS and DHCP services. Perform server provisioning, patching, upgrades and lifecycle management. Work with Microsoft System Center technologies ...

TechOps Engineer

Hiring Organisation
Travers Smith
Location
Greater London, United Kingdom
Employment Type
Full Time
Exchange Online, mail flow, mailbox permissions, retention, Teams and related messaging security platforms. Manage identity and privileged access across Entra ID and Active Directory, including enterprise applications, app registrations, certificates, secrets, SSO, RBAC and access reviews. Support enterprise networking and connectivity - firewalls, switching, DNS, DHCP … when cross-team action is required. Technology exposure Core infrastructure Windows Server, VMware/vSphere/vCenter, storage/SAN, backup and recovery, Active Directory, DNS, DHCP and certificate services Microsoft cloud Microsoft 365, Exchange Online, Entra ID, Azure, Teams, Intune, Autopilot, enterprise applications and Microsoft ...

IT Infrastructure Security Engineer

Hiring Organisation
Tria Recruitment
Location
London, UK
Employment Type
Full-time
cyber security. Your responsibilities will include: Leading infrastructure implementation and improvement projects. Managing and enhancing Microsoft Azure and on-premise infrastructure. Administering Active Directory, Group Policy and virtualised environments. Driving server lifecycle management and platform optimisation. Delivering security improvements including Active Directory … enjoys taking ownership and can confidently deliver technical solutions with minimal supervision. You'll ideally bring experience across: Microsoft infrastructure technologies. Microsoft Azure. Active Directory and Group Policy. VMware/vSphere. Server lifecycle management. Infrastructure implementation and project delivery. ITIL environments. Cyber Essentials and infrastructure security ...