Senior Infrastructure Engineer 279820 - #1764324

Work location: Nottingham or Sheffield Hybrid. (Our current team collaboration day is Wednesday)

Here at Littlefish, we look for people who can make a difference and become giant slayers. As the world around us continues to change, we seek individuals who embrace change with optimism and excitement. These are passionate, high-performing people who enjoy thinking outside the box.

Our current employees are the giant slayers who have shaped Littlefish into what it is today, and you will be the future employees who continue to add drive, passion, and skills as we grow.

So, if this resonates with you and you're excited to work with creative, passionate, energetic, and friendly people - we would love to hear from you.

The role and what you’ll be doing on a day-to-day basis:

Are you a seasoned infrastructure professional ready to tackle complex challenges and help shape the future of IT operations? At Littlefish, we’re looking for a Senior Infrastructure Engineer to join our Infrastructure team in Nottingham.

In this role, you’ll be a key technical expert, working on high-priority tickets, leading major incident resolutions, and guiding our approach to new technologies. You’ll collaborate with engineers across the business, mentor others, and play a vital role in maintaining and evolving our infrastructure services.

You will be:

• Resolving complex or sensitive technical issues


• Acting as a technical escalation point and subject matter expert


• Supporting major incident investigations and recovery


• Leading technical input on change approvals and best practices


• Delivering technical projects and onboarding new customers


• Identifying and deploying automation opportunities


• Reviewing major incident reports and ensuring SLA compliance

Who you are:

• Extensive experience in a similar infrastructure role


• Strong experience with Windows Server, Active Directory, SCCM, networking, and backup technologies


• Knowledge of Office 365, Azure, VMware/Hyper-V, and PowerShell


• Excellent communication skills and a collaborative mindset


• A proactive, solutions-focused approach with the ability to mentor others


• Relevant certifications (e.g., MCSE, VCP, CCNA) or equivalent experience


• Experience with automation tools (Ansible, Terraform, Puppet)


• Knowledge of cloud security and SaaS/PaaS integrations

What we offer:

• Training through our Littlefish Academy, which can increase your earnings by £4,500


• Referral bonus scheme of £1,000 for successful referrals


• Access to LinkedIn Learning with over 16,000 tutorials


• Healthcare cash plan including online GP, 24/7 counsellors, and cashback on healthcare


• Casual dress policy


• Company Pension Scheme


• Company social events


• 25 days annual leave plus public/bank holidays


• Purchase and sale of annual leave scheme

Life at Littlefish:

Our company values shape who we are and how we work. Hiring people who embody our values is crucial as we grow.

I am High Performing: I raise the bar, seek to increase quality and efficiency, and strive for service excellence.

I am Passionate: I build team success, celebrate achievements, and care about my colleagues.

I Have a Can-Do Attitude: I am willing to step outside my comfort zone, challenge the status quo, and get things done!

If you believe you can make a tangible difference, apply today and join us on this journey.

At Littlefish, we aim to be a place where everyone can be themselves. We are committed to fostering a diverse and inclusive community where everyone, regardless of background, feels valued and supported.

We encourage applications from all backgrounds. Please contact us if you need adjustments during the recruitment process.

Part of our application includes ED&I questions, with a ‘prefer not to say’ option for each.