Infrastructure & Systems Engineer

Adria Solutions Ltd.; Oxford; On-site; GBP 45,000 - 65,000; Full time

Job summary

Adria Solutions Ltd. is seeking an enthusiastic Infrastructure & Systems Engineer to join their IT team in Oxford.

The role combines hands-on IT support with infrastructure administration in a fast-paced environment, ensuring secure, reliable and highly available IT services across the business. You will provide first and second-line support, manage tickets, deploy devices, handle onboarding/offboarding, and maintain core infrastructure, including Microsoft 365 and AD services, while

Qualifications

• Previous IT Support or IT Infrastructure Support experience.
• Experience supporting Microsoft 365, Entra ID (Azure AD) and Active Directory.
• Good understanding of networking fundamentals including TCP/IP, DNS, DHCP, VPNs and VLANs.
• Experience supporting Windows desktop environments and business IT infrastructure.
• Strong problem-solving skills with excellent communication and customer service.
• Ability to prioritise workloads and manage multiple support requests.
• Experience using IT helpdesk or ticketing systems.

Responsibilities

• Provide first and second-line IT support to users across the business.
• Manage, prioritise and resolve IT support tickets, escalating where appropriate.
• Configure and deploy laptops, desktops and mobile devices for new starters.
• Manage onboarding and offboarding processes, including user accounts and permissions.
• Maintain and support core IT infrastructure, including servers, networking equipment and office technology.
• Administer user accounts across Microsoft 365, Microsoft Entra ID (Azure AD) and Active Directory.
• Monitor and troubleshoot networking issues including VPN connectivity, TCP/IP, DNS, DHCP and VLANs.
• Maintain IT asset registers, hardware inventory and documentation.
• Support backups, security updates and system maintenance.
• Help improve IT processes, documentation and day-to-day operational efficiency.

Skills

IT support

Microsoft 365

Azure AD

Active Directory

Networking basics

Windows desktop

Customer service

Ticketing systems

Tools

Google Workspace

VMware

PowerShell

Linux administration

Dell PowerEdge

Veeam (backup)

Job description

Infrastructure & Systems Engineer

My client is looking for an enthusiastic and proactive Infrastructure & Systems Engineerto join their growing IT team. This is an excellent opportunity for someone who enjoys a varied role, combining hands‑on IT support with infrastructure administration in a fast‑paced, technology-driven environment.

Working as part of a collaborative IT function, you'll play a key role in ensuring the business's IT systems, networks and end-user services remain secure, reliable and highly available.

The Role

This is a broad technical position where you'll provide first and second-line support whilst taking ownership of core IT infrastructure and day-to-day operational activities. You'll be the go-to person for resolving technical issues, supporting colleagues across the business and helping improve the efficiency, reliability and security of the IT environment.

You'll also have the opportunity to contribute to infrastructure improvements, documentation and automation as the organisation continues to grow.

Key Responsibilities

• Provide first and second-line IT support to users across the business.
• Manage, prioritise and resolve IT support tickets, escalating where appropriate.
• Configure and deploy laptops, desktops and mobile devices for new starters.
• Manage onboarding and offboarding processes, including user accounts and permissions.
• Maintain and support core IT infrastructure, including servers, networking equipment and office technology.
• Administer user accounts across Microsoft 365, Microsoft Entra ID (Azure AD), Active Directory and Google Workspace.
• Monitor and troubleshoot networking issues including VPN connectivity, TCP/IP, DNS, DHCP and VLANs.
• Maintain IT asset registers, hardware inventory and documentation.
• Support backups, security updates and system maintenance.
• Help improve IT processes, documentation and day-to-day operational efficiency.

About You

You'll be a hands‑on IT professional with strong troubleshooting skills and a customer-focused approach. You'll enjoy working closely with users while also developing your infrastructure knowledge and contributing to technical improvement projects.

Skills & Experience

• Previous experience in an IT Support or IT Infrastructure Support role.
• Experience supporting Microsoft 365, Microsoft Entra ID (Azure AD) and Active Directory.
• Good understanding of networking fundamentals including TCP/IP, DNS, DHCP, VPNs and VLANs.
• Experience supporting Windows desktop environments and business IT infrastructure.
• Strong problem-solving skills with excellent communication and customer service.
• Ability to prioritise workloads and manage multiple support requests.
• Experience using IT helpdesk or ticketing systems.

Desirable Skills

• Google Workspace administration.
• VMware.
• Veeam Backup & Replication.
• PowerShell scripting.
• Linux administration (Ubuntu, Rocky Linux or similar).
• Dell PowerEdge server hardware.
• IT asset management and documentation.
• Security best practices and backup management.

What's on Offer

This is an exciting opportunity to join an innovative organisation where technology plays a critical role in business success. You'll gain exposure to modern infrastructure technologies, work alongside experienced technical professionals and have the opportunity to develop your skills in a supportive and collaborative environment.

If you're an Infrastructure & Systems Engineerlooking for a varied role where you can make a real impact while continuing to develop your technical expertise, we'd love to hear from you.

Infrastructure & Systems Engineer