Senior IT Infrastructure Engineer

Daisy Communications; Cheadle; On-site; GBP 36,000 - 60,000; Full time

Job summary

Daisy Communications Limited is seeking a Senior IT Infrastructure Engineer to design, implement and manage our core infrastructure across on-premises and cloud environments. You will ensure robust security, reliability and scalable performance as the business grows in the UK.

You will work with internal teams and external partners to deliver complex projects, mentor junior staff, and respond to security alerts while aligning with best practices and regulatory requirements.

Qualifications

• Microsoft Dynamics experience is preferred.
• VMware/Hyper-V implementation, administration and troubleshooting required.
• Strong general system administration across OS, hardware and virtualization.
• Infrastructure security including firewalls and antivirus.
• Advanced knowledge of Active Directory, DHCP, DNS, and GPOs.
• Experience with Windows Server 2012R2–2022.
• Experience with backup tools Rubrik and DPM.
• Strong organizational skills and attention to detail.
• Cloud experience with AWS and Azure.
• Cyber security knowledge applicable to infrastructure.
• Microsoft 365 experience.

Responsibilities

• Provide technical support and assist with building Daisy standalone IT infrastructure.
• Design, support and optimise physical, virtual and cloud infrastructure.
• Coordinate with external networking, infrastructure and support teams.
• Install/upgrade servers and configure hardware, services and storage as required.
• Research and implement automated administrative approaches where possible.
• Document server procedures for design and implementation of hardware/software/systems.
• Monitor systems and verify availability and integrity of servers and processes.
• Serve as escalation point for deskside support team.
• Mentor junior IT team members.
• Respond to Cyber Security Alerts as needed.

Skills

Microsoft Dynamics

VMware / Hyper-V

General System Administration

Infrastructure security

Active Directory/DHCP/DNS/GPO

Windows Server 2012r2–2022

Backup Tools (Rubrik & DPM)

Organisation

Cloud (AWS/Azure)

Cyber Security

Microsoft 365

Job description

Exciting news from us at Daisy: we’re re-branding to O2 Business!

Following the merger between Virgin Media O2 Business and Daisy Group last year, we’re taking the next step in our journey by announcing our new brand!

As O2 Business, we believe in the wonder of simplicity; the joy of that comes when technology works as it should, with reliability, clarity, and speed.

We’re incredibly excited about this next step in our journey and you could be on that journey too.

We are looking for a passionate and technically astute IT Infrastructure Engineer to join our growing team.

The ideal candidate will possess a high level of technical proficiency and a proven track record in delivering complex integration and separation projects. You will be responsible for designing, implementing, and managing IT infrastructure within our internal and externally hosted systems. A deep understanding of IT security, networking, and cloud platforms, particularly AWS and Microsoft Azure is essential.

This role offers a unique opportunity to help define and develop the core IT infrastructure of Daisy, ensuring it remains robust, secure, and adaptable to future business needs. If you are driven by high standards and are eager to make a lasting impact within a dynamic organisation, we would love to hear from you.

Job Title: Senior Infrastructure Engineer
Salary: Up to £60,000.00 DoE
Location: Cheadle
Hours of work: Monday to Friday working 8:30 - 17:00 or 9:00 - 17:30 (37.5 hours per week)

What You'll Be Doing

As a Senior IT Infrastructure Engineer, you will:

• Provide technical support and assist with the implementation of a Daisy standalone IT infrastructure.
• Design, support & optimise physical, virtual and cloud infrastructure.
• Work with external networking, infrastructure and support teams.
• Install new / rebuild existing servers and configure hardware, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
• Research and recommend innovative, and where possible automated, approaches for system administration tasks
• Manage and complete effective documentation of server procedures regarding design and implementation of hardware, software, and systems
• Actively perform system monitoring, verifying the availability and integrity of all servers, systems and key processes
• Be an escalation point for the deskside support team.
• Mentor the junior members of the IT team
• Be able to act on Cyber Security Alerts

What We’re Looking For

• Microsoft Dynamics
• VMware / Hyper-V implementation\administration\troubleshooting
• General System Administration skills (Operating systems, hardware, virtualization)
• Infrastructure security (Firewalls\AV)
• Advanced working knowledge of Active Directory/DHCP/DNS/GPO etc.
• Experience with Windows Server 2012r2 – 2022
• Various Backup Tools including Rubrik and DPM
• Organised with high attention to detail.
• Cloud Experience AWS/Azure
• Cyber Security Knowledge
• Microsoft 365 Experience

The Company

We’re Daisy, the largest independent telecoms company in the UK.

We employ over 1,500 people spread across 9 locations throughout the UK, and we serve over 175,000 customers.

Our mission is Keep Britain Working, which we do by working with all of the major networks and suppliers, allowing us to provide the best systems at the best rates to meet their needs.

Why work with Daisy?

We’re proud of how frequently we appear in employee rated lists such as Best Companies, which reflects our ongoing commitment to creating a workplace which in which our team learn, develop, and progress.

Across all our offices, you’ll see the Daisy culture in action; inclusive, supportive and encouraging, which helps us work together to Keep Britain Working.

Daisy Communications Limited
Lindred House, 20 Lindred Road, Brierfield, Nelson, Lancashire, BB9 5SR. Registered in England.
Registered Number: 04145329
Daisy Communications Ltd is authorised and regulated by the Financial Conduct Authority, Firm Reference Number 718842