Infrastructure Engineer

Uniserve; Greater London; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Competitive Salary

Discretionary Bonus

Pension Scheme

Annual Salary Review

Free Eye Test and Glasses Vouchers

Interest-Free Company Loan

Free On-Site Parking

Referral Bonus £750

Flu Jabs Annually

Electric Vehicle Charging Points

Supply Chain Academy Education Courses

Job summary

Uniserve is seeking a hands-on Infrastructure Engineer to oversee the core IT infrastructure, endpoint, and security platforms. You'll ensure systems are secure and reliable, acting as a key escalation point for critical issues while driving infrastructure initiatives.

The ideal candidate has strong experience with Windows-based systems, is familiar with Microsoft Intune and endpoint security, and can troubleshoot complex issues in operational environments.

Qualifications

• Experience supporting Windows-based infrastructure and endpoints.
• Hands-on experience with Microsoft Intune and Microsoft Entra ID / Active Directory.
• Experience managing endpoint security and monitoring platforms.
• Proven ability to troubleshoot complex, business-critical issues.

Responsibilities

• Take end-to-end ownership of core IT infrastructure.
• Ensure systems are securely configured and continuously improved.
• Act as the technical escalation point for critical infrastructure issues.
• Collaborate with Service Desk teams to drive incidents to resolution.

Skills

Windows-based infrastructure

Microsoft Intune

Microsoft Entra ID / Active Directory

Endpoint security

Network knowledge (Cisco Meraki, Ubiquiti)

Azure Virtual Desktop (AVD)

Security platforms (Zscaler, Mimecast, SentinelOne)

Job description

We are seeking a hands‑on and proactive Infrastructure Engineer to join our team, taking ownership of core IT infrastructure, endpoint, and security platforms across the business. This is a highly operational role where you will play a critical part in ensuring systems remain secure, reliable, and high‑performing.

You will be responsible for supporting and continuously improving business‑critical IT services, acting as a key escalation point, and driving infrastructure and security initiatives across corporate offices and operational sites. Working closely with Infrastructure, Service Desk, Security, and Operational Teams, you will help deliver robust, scalable solutions that support the organisation’s ongoing growth.

Key Responsibilities

• Take end‑to‑end ownership of core IT infrastructure, including endpoint, identity, security, and network platforms
• Ensure systems are securely configured, stable, and continuously improved
• Act as the technical escalation point for critical infrastructure and security issues
• Implement, configure, and support infrastructure solutions across multiple environments
• Manage device provisioning, application deployment, identity, and authentication services
• Own and resolve live incidents, ensuring minimal disruption to business operations
• Troubleshoot complex infrastructure, performance, and connectivity issues
• Collaborate with Service Desk teams and third‑party suppliers to drive incidents to resolution
• Support integrations across email, identity, and security platforms
• Contribute to system migrations, acquisitions, and business change initiatives
• Participate in infrastructure and security projects from design through to delivery and handover
• Provide technical input, testing, validation, and documentation for projects
• Plan and implement changes using controlled, phased approaches
• Pilot and validate new technologies before full deployment
• Monitor system performance post‑implementation and resolve emerging issues
• Apply security‑first principles while balancing operational usability
• Identify and escalat[e] risks related to security or system performance
• Maintain clear and comprehensive technical documentation
• Communicate effectively with stakeholders across IT and the wider business

What We’re Looking For

• Strong experience supporting Windows‑based infrastructure and endpoints
• Hands‑on experience with Microsoft Intune and Microsoft Entra ID / Active Directory
• Experience managing endpoint security and monitoring platforms
• Networking knowledge, ideally with Cisco Meraki and/or Ubiquiti
• Proven ability to troubleshoot complex, business‑critical issues
• Experience working in operational or site‑based environments
• Experience with Azure Virtual Desktop (AVD)
• Knowledge of security platforms such as Zscaler, Mimecast, or SentinelOne
• Exposure to infrastructure or security project delivery

Don’t worry if you don’t have everything in this list - we value drive, mindset, and a willingness to grow.

• Competitive Salary: We value your skills and commitment.
• Discretionary Bonus: Because your hard work deserves to be rewarded.
• Pension Scheme: We've got your future covered.
• Annual Salary Review: Your growth matters to us.
• Free Eye Test and up to £69 Vouchers towards Glasses: Taking care of your vision.
• Interest‑Free Company Loan: We're here to support you.
• Free On‑Site Parking: Convenient and hassle‑free.
• Referral Bonus £750: Spread the word and earn some extra cash.
• Flu Jabs Annually: Stay healthy, on us!
• Electric Vehicle Charging Points at Work: Embrace sustainable transport.
• Supply Chain Academy Education Courses: Expand your knowledge through our Apprenticeships and Commercial Courses.