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Nemo Resourcing Ltd
3rd Line Infrastructure Engineer

3rd Line Infrastructure Engineer

Hybrid

London, United kingdom

£ 55,000 /year

Full Time

12-03-2026

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Skills

Problem-solving Networking Architecture Azure

Job Specifications

Third Line Infrastructure Engineer - the opportunity

This is a great opportunity to join an award-winning IT Managed Service Provider with a 20+ year track record and ambitious growth plans. The company provides cloud-first, secure solutions and services, primarily using Microsoft products, and has a fantastic client base across a wide range of industries.

This role sits in a talented Infrastructure team and would be a great platform for someone with 3rd-line support experience to take on more consulting-led responsibilities and to progress their career path towards a senior technical consulting or architecture role.

The company is committed to supporting professional growth and development and this role will present great opportunities to sharpen your technical expertise, particularly in cloud and security technologies.

Third Line Infrastructure Engineer - responsibilities

Act as 3rd-line point of escalation for complex and business-critical incidents
Take ownership of major/critical incidents, including post-incident review
Support onboarding of new clients and contribute to proactive service delivery
Contribute technical oversight for improvements and changes
Develop subject matter expertise in selected products, working closely with vendors
Consult internally on new product developments
Support and mentor engineers from 1st & 2nd line team
Communicate clearly with internal and external stakeholders
Maintain high quality technical documentation

Third Line Infrastructure Engineer - requirements

Experience in an IT Managed Service Provider environment (essential)
Track record in complex multi-client or multi-site environments
Very strong analytical and problem-solving skills.
Excellent knowledge of Microsoft products including M365 and Azure
Strong Cloud skills - IaaS, PaaS etc
Good understanding of cyber security principles
Strong networking and infrastructure skills
Microsoft certifications would be beneficial as would AI tools (Copilot) experience

About the Company

Nemo is a recruitment company, founded by a management team with many years of experience in the IT and Telecoms recruitment industries. We work with suppliers of IT and Telecoms technology and services and with the end users of these technologies and services. Our experience covers wide swathes of the IT/Telco world and we have particularly strong expertise in Cloud Services, Networks, the Internet of Things, Research and Development and Enterprise IT. Over the years we have built very strong relationships with leaders, man... Know more