Senior Infrastructure Engineer - 6 months, Azure, Windows, Linux, Networking DV Cleared

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Senior Infrastructure Engineer - 6 months, Azure, Windows, Linux, Networking DV Cleared

Reference:

SB/SeIn/01

Sector:

Development and Integration

Salary:

£629 Per Day

Benefits:

Hybrid

Town/City:

Milton Keynes/London

Contract Type:

Contract

Closing Date:

27/10/2026

Role: Senior Infrastructure Engineer

Contract Length: 6 months

Location: Hybrid Milton Keynes/London

Pay Rate to Candidate: £629.92 Inside IR35

Security Clearance: DV is essential

 

We are seeking a Platform Engineer with strong Azure, Windows Server, Linux, networking, and endpoint security experience to support enterprise infrastructure platforms across on-premises and cloud environments. The role will focus on deploying and supporting XDR agents, Azure Arc onboarding, Azure Monitor Agent (AMA) installations, infrastructure monitoring, and maintaining secure, reliable platform services across Windows and Linux server estates.

 

Key Responsibilities:

Azure Infrastructure and Hybrid Cloud

• Deploy, configure and support Microsoft Azure infrastructure services.

• Onboard Windows and Linux servers to Azure Arc.

• Configure and manage Azure Arc-enabled servers and their extensions.

• Administer Azure resources, subscriptions, resource groups and role-based access control (RBAC).

• Contribute to hybrid-cloud integration and infrastructure modernisation initiatives.

 

Monitoring and Observability

• Install, configure and troubleshoot Azure Monitor Agent (AMA) on Windows and Linux servers.

• Configure Azure Monitor, Log Analytics workspaces, Data Collection Rules (DCRs), dashboards and alerts.

• Monitor infrastructure performance, availability, capacity and security events.

• Deliver operational monitoring and reporting across enterprise environments.

 

 Endpoint Security and XDR Deployment

• Deploy, configure, upgrade and maintain XDR/EDR agents across Windows and Linux server environments.

• Execute large-scale security-agent rollouts using automated deployment methods.

• Resolve agent installation, connectivity, onboarding and performance issues.

• Keep endpoint security agents compliant and operational across the server estate.

• Support security operations teams with endpoint protection and monitoring requirements.

 

Windows Server Administration

• Install, configure, administer and maintain Windows Server environments.

• Manage Active Directory, DNS, DHCP, Group Policy and certificate services.

• Perform server patching, upgrades, security hardening and lifecycle management.

• Troubleshoot operating-system, application and infrastructure issues.

 

 Linux Server Administration

• Install, configure, administer and maintain Linux server environments.

• Manage system services, package repositories, storage, user access and SSH configurations.

• Perform Linux patching, upgrades and security hardening.

• Troubleshoot operating-system, application and networking issues.

 

 Networking

• Configure and troubleshoot TCP/IP networking across on-premises and Azure environments.

• Support DNS, routing, firewalls, load balancers, VPNs and proxy services.

• Resolve connectivity issues affecting Azure Arc, Azure Monitor Agent and XDR communications.

• Support the following Azure networking technologies:

– Virtual Networks (VNets)

– Network Security Groups (NSGs)

– Azure Firewall

– VPN Gateway

– ExpressRoute

– Private Endpoints

 

 Automation and Platform Engineering

• Automate operational tasks with PowerShell and Bash.

• Support Infrastructure as Code (IaC) initiatives using Terraform, Bicep or ARM templates.

• Develop deployment and validation scripts for Azure Arc, Azure Monitor Agent and XDR solutions.

• Maintain technical documentation, standards and operational procedures.

 

Security and Compliance

• Apply security best practices and hardening standards across Windows and Linux platforms.

• Support vulnerability remediation, compliance initiatives and security audits.

• Investigate infrastructure and endpoint security alerts.

• Collaborate with Cyber Security, Infrastructure and Operations teams to maintain secure, reliable platforms.

 

Technical Skills

• Strong Microsoft Azure administration and support experience.

• Hands-on experience onboarding and managing Azure Arc-enabled servers.

• Experience deploying and supporting Azure Monitor Agent (AMA).

• Experience deploying and supporting XDR/EDR agents.

• Strong Windows and Linux server administration skills.

• Knowledge of Active Directory, DNS, DHCP and Group Policy.

• Strong networking fundamentals, including TCP/IP, DNS, routing, VPNs, firewalls and proxies.

• PowerShell and Bash scripting experience.

• Experience with Azure Monitor, Log Analytics and infrastructure monitoring.

 

Preferred Skills

• Experience with Microsoft Defender XDR, CrowdStrike, SentinelOne, Cortex XDR or a comparable platform.

• Experience with Microsoft Intune, SCCM, Ansible or similar deployment tools.

• Experience with Terraform, Bicep or ARM templates