Senior IT Infrastructure & Security Engineer

Omnes Healthcare Limited; Manchester; On-site; GBP 45,000 - 60,000; Full time

Benefits offered by this job

NHS Discount

Employee Assistance Programme

Sick pay

Life insurance

Healthcare cash plan

Cycle to work

Job summary

Omnes Healthcare Limited is seeking an IT Infrastructure Analyst to own and enhance our Microsoft-based infrastructure, spanning cloud and on‑prem environments. You will secure, monitor and optimise critical systems while driving automation, dashboards and data‑driven improvements across multiple sites in the UK.

Key duties include maintaining Azure/M365, AD/Entra ID, networking, security controls, and vulnerability management.

Qualifications

• Proven experience supporting enterprise Microsoft infrastructure.
• Strong knowledge of Microsoft Azure, Microsoft 365 and Windows Server.
• Experience administering Microsoft Entra ID, Active Directory and Group Policy.
• Strong understanding of enterprise networking, including TCP/IP, DNS, DHCP, VPN and firewalls.
• Experience supporting Microsoft Intune and endpoint management.
• Experience working within a cyber security-focused environment.
• Experience developing operational dashboards and technical reporting solutions.
• Experience with automation using PowerShell and/or Microsoft Power Platform.
• Strong analytical, troubleshooting and problem-solving skills.
• Excellent communication and technical documentation skills.
• Proactive approach with the ability to take ownership and deliver improvements independently.

Responsibilities

• Maintain and support Microsoft 365, Microsoft Azure, Windows Server and enterprise infrastructure.
• Administer Active Directory, Microsoft Entra ID, Group Policy and identity services.
• Support Hyper-V, Azure Virtual Machines and virtual desktop environments.
• Maintain DNS, DHCP, certificate services, file services and enterprise storage.
• Monitor infrastructure performance, capacity and availability and implement improvements where required.
• Maintain accurate infrastructure documentation, configuration records, standards and procedures.
• Support Microsoft Azure networking, storage, compute, backup and platform services.
• Manage Microsoft 365 services including Exchange Online, SharePoint Online, Teams and OneDrive.
• Support cloud migration, infrastructure modernisation and technology refresh projects.
• Support LAN, WAN, WiFi, VPN and remote connectivity across multiple locations.
• Maintain and troubleshoot routers, switches, firewalls and network security appliances.
• Work with telecommunications providers and third-party suppliers to resolve complex infrastructure issues.
• Support the delivery of the organisation's cyber security strategy.
• Monitor security alerts and investigate cyber security incidents.
• Manage vulnerability remediation across servers, endpoints, cloud platforms and network infrastructure.
• Support Microsoft Defender, Microsoft Sentinel, Microsoft Intune and Microsoft Entra security capabilities.
• Implement and maintain security controls including Conditional Access, Multi-Factor Authentication, Privileged Identity Management and Zero Trust principles.
• Support Cyber Essentials Plus, ISO 27001, DSPT and NHS security compliance activities.
• Participate in penetration testing, security audits, incident response and root cause analysis.
• Promote cyber security awareness and best practice across the organisation.
• Drive innovation through automation, AI and modern technology solutions.
• Develop and maintain internal IT dashboards providing infrastructure, cyber security, service performance and operational metrics.
• Develop reporting solutions using Power BI, Microsoft Fabric and other enterprise reporting platforms.
• Build automation solutions using PowerShell, Microsoft Power Platform and AI technologies.
• Evaluate emerging technologies and AI capabilities and develop proof of concepts where appropriate.
• Support the adoption and governance of Microsoft Copilot, Azure AI Services and other approved AI technologies.
• Identify opportunities to improve IT operations and business processes through intelligent automation and AI.
• Monitor infrastructure health and proactively investigate alerts before they become service-affecting incidents.
• Produce reports covering system availability, performance, capacity and service health.
• Maintain enterprise backup and disaster recovery solutions and regularly test recovery procedures.
• Support business continuity planning and ensure critical systems meet agreed recovery objectives.
• Deliver infrastructure implementation, migration and upgrade projects.
• Support new site deployments, office relocations and technology refresh programmes.
• Provide third-line technical support for complex infrastructure incidents.
• Act as a technical escalation point for the Service Operations team.
• Maintain accurate infrastructure asset and configuration records.
• Support software licensing and hardware lifecycle management.
• Ensure infrastructure changes follow approved change management processes.
• Take ownership of infrastructure incidents, technical problems and improvement initiatives through to successful completion.
• Proactively identify technical risks, vulnerabilities, capacity issues and opportunities for improvement.
• Lead root cause analysis following major incidents and ensure corrective and preventative actions are implemented.
• Reduce technical debt through planned infrastructure improvements.
• Provide technical leadership and mentoring to IT Support Analysts and junior engineers.
• Build strong working relationships with suppliers and technology partners.
• Keep up to date with emerging technologies, industry trends and cyber security threats.

Skills

Microsoft Azure

Microsoft 365

Windows Server

Active Directory

Entra ID

Group Policy

Hyper-V

Azure Virtual Machines

VPN / Networking

Intune / Endpoint management

Cyber security

PowerShell

Power Platform

Power BI / Fabric

AI / Copilot / Azure AI

Security tools (Defender / Sentinel)

Education

Degree in Information Technology or Computer Science

Tools

PowerShell

Power Platform

Power BI / Microsoft Fabric

Azure

Active Directory / Entra ID

Job description

Omnes Healthcare Limited is seeking an IT Infrastructure Analyst to own and enhance our Microsoft-based infrastructure, spanning cloud and on‑prem environments. You will secure, monitor and optimise critical systems while driving automation, dashboards and data‑driven improvements across multiple sites in the UK.

Key duties include maintaining Azure/M365, AD/Entra ID, networking, security controls, and vulnerability management.