
Robertson Sumner
About the Company
Robertson Sumner is a Global recruitment business that consistently delivers the best candidates within the IT Channel across EMEA. We have offices in Liverpool Street, Shoreditch, London & Chalfont St Peter, Buckinghamshire, with great access to both the city, and the U.K.’s ‘Silicon Valley’ corridor.
Home of the Globally recognised “Channel Chat Podcast”, Marc Sumner, CEO, has unique access to the channel leaders of today and tomorrow, and has interviewed over 200 CEO’s within the technology sector, and counting.
This gives us a unique access to trends, information, and understanding of the current market, so we are always one step ahead of other recruitment firms.
We deliver outstanding candidates globally in the digital world within Sales, Marketing and Technical Roles. From single hires, to multiple hire campaigns, we can help you with:
Contingent - (Multi Hiring, to access all available candidates, right now)
Retained Partner – (Bespoke Headhunting service to bring your perfect candidate to the hiring table )
Embedded Partner – ( Outsourced Internal recruitment, giving all the benefits of the volume of candidates a large recruitment firm accesses, detailed knowledge of your unique requirements, and motivation and loyalty to continuously search for your perfect candidates)
We have built our business upon placing over 10,000 candidates within the technology sector globally because
we understand the D&I and talent shortage challenges facing the sector, and we know how to overcome them, through our access and collaboration with our channel partners throughout the vendor, reseller and distribution markets.
Listed Jobs


- Company Name
- Robertson Sumner
- Job Title
- Infrastructure Specialist
- Job Description
-
Job Title: HPC/AI Infrastructure Specialist
Location: Hybrid – London Office & Remote
Contract Duration: Initial 3 months (Possible extension to 6 months or more)
Working Hours: Typical UK Business Hours
About the Role:
Our client, a leading IT managed service provider, is seeking 3 experienced professionals with expertise in HPC (High-Performance Computing) and AI infrastructure to join their dynamic team. This role involves designing, building, and operating AI/HPC infrastructure, with a focus on networking, storage, and node architecture. The successful candidates will work within a hybrid environment, splitting time between the London office and remote work.
Key Responsibilities:
Design, build, and maintain HPC/AI infrastructure in alignment with NVIDIA reference architecture within the client’s data centres.
Manage and optimize HPC/AI clusters, including storage, networking, and compute nodes.
Troubleshoot and resolve complex infrastructure issues to ensure high availability and performance.
Collaborate with cross-functional teams to support AI and HPC workloads.
Implement best practices for scalability, performance, and security within HPC/AI environments.
Essential Skills & Experience:
Proven experience in HPC and AI infrastructure, including architecture, deployment, and maintenance.
Strong expertise in networking, storage, and compute nodes for AI and HPC workloads.
Hands-on experience with NVIDIA reference architectures and associated technologies.
Knowledge of data centre operations and best practices in AI/HPC cluster management.
Strong problem-solving and analytical skills.
Contract Details:
Initial Duration: 3 months, with the potential to extend up to 6 months or longer.
Location: Hybrid – London office & remote working.
If you have the expertise and passion for HPC/AI infrastructure and are looking for an exciting opportunity to work with cutting-edge technologies, we would love to hear from you!
How to Apply:
Please submit your CV and a brief cover letter outlining your relevant experience.


- Company Name
- Robertson Sumner
- Job Title
- Information Technology Support Engineer
- Job Description
-
IT Tech Bar Engineer
Inside IR35
London based (onsite 5-day pw)
£140 per day (via Umbrella)
We’re looking for an IT Tech Bar Engineer to provide face to face support via our IT Managed Service client for one of their end customers in London.
You’ll need experience across both Windows and Mac technologies and should also possess skills or a knowledge of a range of SaaS and Cloud type technologies.
Job Requirements
Technical Support: Provide customer-focused technical assistance for both Windows and Mac devices.
In-Person IT Support: Offer face-to-face troubleshooting and support and liaise with the IT Helpdesk team.
Software & SaaS Support: Assist with a range of industry-leading SaaS tools, including Google Workspace/Admin, Jamf, InTune.
Office Technology Maintenance: Collaborate with workplace teams to manage office technology, including meeting rooms and digital displays.
Inventory Management: Maintain IT stock levels, ensuring accurate tracking and recording of equipment.
Independent Problem-Solving: Research and resolve application issues proactively.
Team Collaboration: Work closely with the IT Service Desk team to ensure seamless IT support.
Ideal Person
Experience: Previous experience in an IT support or administrator role within a fast-paced environment is preferred.
Device Support: Proficiency in supporting both macOS and Windows systems.
Hardware Troubleshooting: Ability to diagnose and repair laptop hardware, upgrade components, and support peripherals.
Problem-Solving: Strong analytical skills with a proactive approach to finding solutions.
Customer-Focused: A service-oriented mindset with excellent interpersonal skills.
Communication Skills: Strong written and verbal communication, with fluency in English.