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Customer Support Engineer - London

VAST Data - London, United Kingdom - In-office - posted 2026-10-07

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VAST Data is seeking a Customer Support Engineer to join its growing London team. VAST is a data platform company for the AI era, building enterprise software infrastructure to capture, catalogue, refine, enrich and protect massive datasets for real-time data analysis, AI training and inference. In this role, you will be a technical expert and key member of the Customer Support Engineering team, handling daily technical operations and escalations. You'll be part of the "Flight Crew" supporting customers post-sale, working alongside Support Engineers and Success Managers. Key responsibilities include: - Responding to customer issues both reactively and proactively, using hands-on technical skills to resolve or escalate with detailed information - Developing and testing solutions for strategically significant applications and use cases, including file protocols, machine learning, object storage, and high-performance computing - Building trusted customer relationships through technical excellence and deep product knowledge - Completing daily technical operations and working issues through to full resolution - Performing field services including installations, upgrades, break-fix and expansions - Managing feature requests and bugs with product and engineering teams - Advocating for customer priorities and tracking escalations - Identifying continuous improvement opportunities for customer adoption - Supporting account teams on technical status and activities - Meeting KPIs and SLAs while ensuring customer satisfaction You will work directly with customers and cross-functional teams including pre-sales, Professional Services, and engineering. Requirements: - Right to work in the UK - 5+ years of experience in customer-facing pre-sales or post-sales roles with complex storage solutions - Ability to manage own time and caseload with rapidly changing priorities - Extensive knowledge of enterprise IT infrastructure, networking, and storage - Broad understanding of enterprise software world - Knowledge and working experience with common Linux system administration tasks and Linux OS - Good understanding of networking with hands-on experience in network configuration on Linux and troubleshooting - Bash scripting required; familiarity with at least one other programming language - Significant experience with file systems and scale-out NAS implementations - MS or BSc in Computer Science, Computer Engineering, Electrical Engineering, or related field Advantages: - In-depth knowledge and hands-on experience with S3 and high-performance computing - Excellent written and verbal business communication and presentation skills - Hands-on lab and hardware management experience - Experience in rapidly growing, entrepreneurial, dynamic start-ups

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