Senior Infrastructure Engineer

Adria Solutions Ltd.; Oxford; On-site; GBP 55,000 - 75,000; Full time

Job summary

Adria Solutions Ltd. in Oxford is seeking a Senior Infrastructure Engineer to join our growing IT team. This office-based role blends hands-on IT support with infrastructure administration to keep systems secure, reliable and highly available for the business.

You will provide 1st and 2nd line support, manage core IT infrastructure, and contribute to automation and documentation as the organisation expands.

Qualifications

• Experience in IT Support or IT Infrastructure roles.
• Experience supporting Microsoft 365, Entra ID (Azure AD) and Active Directory.
• Good understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPNs, VLANs).
• Experience supporting Windows desktop environments and business IT infrastructure.

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.

Skills

IT Support

IT Infrastructure

Microsoft 365

Entra ID (Azure AD)

Active Directory

Networking basics

Windows desktops

VPNs & VLANs

Helpdesk software

Customer service

Tools

Google Workspace

VMware

Veeam Backup & Replication

PowerShell

Linux

Dell PowerEdge

IT asset management

Job description

Senior Infrastructure Engineer X 2

Oxford | Office-Based | Competitive Salary + Excellent Benefits

My client is looking for an enthusiastic and proactive Senior Infrastructure Engineer to 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.

Senior Infrastructure Engineer X 2 - Oxford

#Tech