
Job Title: 3rd Line Infrastructure Engineer
Location: Liverpool (Hybrid)
Salary: £45,000 - £50,000 BOE
Contract type: Permanent
#LI-Hybrid
As our 3rd Line Infrastructure Engineer at ARO, you'll play a key role in troubleshooting escalated issues, problems, and incidents and for proactively managing customer and internal IT solutions. You will demonstrate strong technical capability and work confidently under pressure and keep abreast of the latest technologies and trends to ensure you provide the best support to our customers.
In addition to your 3rd line responsibilities, you will support and provide leadership to the 1st and 2nd line teams, offering guidance, acting as a technical escalation point, and helping to drive best practice across the service function
The 3rd line Infrastructure Engineer will also be responsible for assisting the operational team in maintaining the accuracy and integrity of the Service catalogue as well as ensuring SLAs are consistently met within the operational infrastructure support team. As part of your role you are responsible for implementing and maintaining appropriate and robust monitoring and alerting across the business infrastructure and customer workload
Please note that as part of this role, supporting and providing an on-call service to our customers is expected.
What you'll do
Requirements
Essential
Desirable
Benefits
ARO has 25 years’ experience in Collaboration, Connectivity, Cloud and Infrastructure and Cyber Security services both in the UK and Internationally and has a nationwide presence with offices across the UK.
As one of the UK’s leading independent IT and communication experts our mission is to deliver a seamless technology experience to all end users. To make that vision a reality, we need bright, tenacious and inspiring talent to help drive our performance, growth and achieve this mission.
To make us successful we focus on strong communication, a culture based on fun, trust and collaboration. We have created a modern workplace environment, which is full of engaged, energetic, positive and curious people whose productivity, resilience and wellbeing allow them to thrive.
In 2021 we were awarded the People Insight’s Outstanding Workplace Award, which celebrates organisations building positive workplace cultures and acting on employee feedback to spark positive change.
At ARO we are committed to creating an excellent employee experience. Our employees, culture and additional benefits all make ARO a great place to work. Come join us!
We offer a wide range of benefits and incentives to our employees including:
💰 Company Pension Scheme and matching contributions
🎁 Company Perks portal
🏥 Private Medical insurance
🛡️ Life assurance
✈️ 25 days holiday plus bank holidays plus holiday trading
🎂 Your Birthday off, on us
💪 Health Club and Wellbeing Scheme
📈 ARO Shares after 12 months employment
🤝 Employee Assistance Programme
💻 Technical Training Academy and E-learning
💼 Hybrid working
If even 80% of this matches your experience and attributes, we would be delighted to hear from you.

ARO is an award-winning IT Services and Solutions provider with almost 30 years of expertise in Cloud, Cyber Security, IT Collaboration, Data Centre Services, and Sustainability.
As a Microsoft Solutions Partner and Platinum Partner with industry leaders such as Dell, Gamma, SonicWall, NFON, Vodafone, O2, BT, Aruba, and Extreme Networks, ARO delivers integrated, high-performance technology solutions tailored to business needs.
We offer full-service IT solutions that enhance communication, collaboration, and workflows between employees, clients, and customers. Our Managed Services help businesses build modern workplace infrastructure, optimising existing technologies for improved efficiency and security.
Currently, ARO supports:
8,000+ customers
100,000+ managed mobiles
60,000+ hosted telecoms seats
Connectivity for 4,500+ companies
600,000+ end users protected with cyber security
With 9 offices across the UK, ARO provides swift, localised support to a diverse range of businesses, including the UK’s largest law firms, leading universities, NHS trusts, and Blue Light services.
Our award-winning Sustainability solutions demonstrate our commitment to responsible, future-ready IT, ensuring businesses achieve operational excellence while reducing environmental impact.
Technology. Only Better.