Senior IT Infrastructure Engineer

Daisy Communications; Sheffield; On-site; GBP 40,000 - 50,000; Full time

Job summary

A leading telecommunications provider in Sheffield is seeking a passionate IT Infrastructure Engineer to design, implement, and manage robust IT infrastructure. Ideal candidates should possess strong technical proficiency in IT security, networking, and cloud platforms, particularly AWS and Microsoft Azure. The role entails providing technical support, mentoring junior team members, and ensuring infrastructural adaptability. Competitive salary of £40,000 to £50,000 is offered.

Benefits

25 days holiday plus bank holidays

Extra day off on your birthday

£500 referral bonus

Professional development opportunities

Eye care vouchers

Discounts with over 1,200 retailers

Qualifications

• Experience in delivering complex integration and separation projects.
• Strong understanding of IT infrastructure and security.
• Organized with high attention to detail.

Responsibilities

• Design, implement, and manage IT infrastructure.
• Provide technical support for Daisy's standalone IT infrastructure.
• Mentor junior IT team members.

Skills

Technical proficiency

IT security

Networking

Cloud platforms (AWS, Azure)

Tools

VMware

Microsoft Dynamics

Active Directory

Windows Server

Backup Tools

Job description

Company Description

Join the UK’s leading independent provider of voice, connectivity, mobile, phone systems and cloud services we keep Britain working.

We are constantly growing our teams, product offerings and customer base by working closely with all of the major networks and suppliers as well as through acquisition – so there’s always an exciting new opportunity to support UK businesses on the horizon.

Job Description

Location: Sheffield - Office based
Salary: £40,000 to £50,000 DOE
Monday to Friday working 8:30 - 17:00 or 9:00 - 17:30 (37.5 hours per week)

The successful candidate must drive and have their own car due to the need to travel to a Data Centre and transport equipment.

Daisy is seeking 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.

Key Responsibilities

• 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

Qualifications

• Project work involvement\implementation\planning
• 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

Advantageous

• System Centre Suite (DPM\VMM\SCOM\SCCM\Orchestrator) exposure and usage
• CASB/DLP
• ZTNA experience (Zscaler)
• SAN Storage Solutions (Dell, HPE)
• Experience working towards Telecom Security Act
• Networking Vendors - FortiGate/Meraki/Cisco
• Linux experience\skills
• CyberArk Privileged Access Management solutions
• Five9, Microsoft Contact Centre and Gamma Contact Telephony Platforms
• Infrastructure as a Code
• DevOps
• Cyber Essentials Plus
• ISO27001:2022

Additional Information

What Are the Benefits of Working at Daisy?

Our ethos is simple:the more you put in, the more you get out.

Here’s what we offer:
25 days holiday+ bank holidays, with an extra day for each year of service (up to 30 days!)
An extra day offon your birthday or if you're getting married
£500 referral bonus– bring great people, get rewarded!
Professional development– training and support to help you grow
Eye care vouchersanddiscounted Medicash membershipfor healthcare savings
Sim dealsfor you and your family/friends
Exclusive discounts and savingsat over 1,200 retailers

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