It Infrastructure & Security Engineer

We're looking for an experienced Infrastructure Migration Engineer to join us on an outside IR35 contract basis and help deliver a major Microsoft 365 and infrastructure migration programme. This is an opportunity to make an immediate impact within a fast-paced environment, working at the heart of a significant technology transformation.

As part of this engagement, you'll use your expertise across Microsoft 365, Active Directory, Entra , Intune and endpoint technologies to support the migration of users, devices and services from a legacy environment into a modern, consolidated platform. You'll play a hands-on role in resolving technical challenges, improving security compliance and ensuring users can transition smoothly with minimal disruption.

This role is ideal for a contractor who enjoys delivering outcomes, solving complex technical issues and working directly with stakeholders to drive progress.

• Contract Position
• Outside IR35 Engagement
• Office-based role requiring attendance 5 days per week
• Travel between company locations may be required
• Hands-on infrastructure, migration and security remediation work
• Immediate start preferred

• Opportunity to contribute to a high-profile transformation programme
• Outside IR35 engagement
• Varied and technically challenging work
• Exposure to modern Microsoft cloud and security technologies
• Opportunity to work with Infrastructure, Cyber Security and Project teams
• Autonomous role where your expertise will directly influence project success

As the Infrastructure Migration Engineer, you'll be responsible for:

• Delivering user, device and infrastructure migration activities using Quest migration tooling and Microsoft technologies.
• Supporting onsite migration waves, device migrations and user cutover activities.
• Identifying, troubleshooting and resolving migration blockers across Microsoft 365, Active Directory, endpoints and security controls.
• Carrying out endpoint remediation and security hardening activities using Microsoft Intune, Defender and related technologies.
• Implementing infrastructure changes and technical fixes to support successful migrations.
• Working closely with Service Desk, Infrastructure, Cyber Security and Project teams to coordinate migration activities and technical readiness.
• Providing hands-on support to end users during migration activities.
• Producing technical documentation, migration procedures, knowledge articles and support handover material.

• Strong experience in Microsoft 365, Entra  Active Directory administration.
• Experience using Quest migration tooling (or comparable enterprise migration platforms).
• Proven experience supporting enterprise Microsoft 365 and endpoint environments.
• Experience troubleshooting complex user, device and infrastructure issues.
• Experience carrying out endpoint remediation and security improvement activities.
• Strong knowledge of Windows 10/11 deployment, migration and support.
• Experience with Microsoft Intune, Defender and endpoint management technologies.
• Knowledge of Group Policy, Windows Server and Azure administration.

• Power Shell scripting and automation.
• Microsoft certifications such as Azure Administrator Associate or Endpoint Administrator Associate.
• Experience delivering outcomes within contract or project-based environments.
• Experience supporting large-scale migration programmes.

You'll be someone who:

• Delivers results and thrives in a fast-paced project environment.
• Takes ownership and works effectively with minimal supervision.
• Has excellent analytical and problem-solving skills.
• Builds strong working relationships across technical and business teams.
• Communicates clearly with both technical and non-technical stakeholders.
• Maintains a strong focus on security, quality and customer experience.

Due to the hands-on nature of the migration programme, including device remediation, user support and technical cutover activities, this role requires onsite attendance five days per week
. The successful contractor will be expected to work from company offices and sites as required by the migration schedule.