Top Tech Support Jobs in Belfast

Provide post-sale technical support to customers and partners by assessing, documenting, troubleshooting, reproducing, and resolving technical issues. Develop resolution plans, gather required information, communicate corrective actions, and participate in a shared after-hours on-call rotation. The role requires knowledge of IT administration, networking, cloud infrastructure, virtualization, security concepts, databases, and SQL, along with strong communication and customer-service skills.

Own enterprise technical support cases from triage through resolution across Kubernetes, cloud infrastructure, ML platforms, authentication, data connectivity, and model deployment. Diagnose issues, write actionable Jira bug reports, create knowledge-base documentation, coordinate global case handoffs, and communicate clearly with customers. The role includes live troubleshooting sessions and participation in an EMEA weekend on-call rotation.

Provide first-line technical support to English- and Spanish-speaking customers through phone, email, and chat. Troubleshoot basic product issues, educate users on features, document interactions, follow knowledge-management processes, and escalate complex cases. The role requires strong communication, multitasking, empathy, software-learning ability, and completion of a Level 1 Technical Support Certification. Work hours are Monday through Friday, 9:30 a.m. to 6:00 p.m. UK time.

Manages an enterprise technical support team serving large customers during a 1pm–10pm shift. Responsibilities include hiring and developing support staff, overseeing ticket prioritization and resolution, managing escalations, coordinating with engineering and product teams, analyzing support metrics, improving processes, and maintaining reporting and tracking infrastructure to deliver exceptional customer service.

Provides field-based technical support across multiple UK customer sites, troubleshooting desktop, mobile, networking, and IT infrastructure issues. The role handles incidents, service requests, changes, and problems; escalates complex issues; maintains ticket ownership through resolution; creates knowledge materials; and meets agreed SLAs. Regular nationwide travel, sometimes at short notice and with overnight stays, is required.

Provides post-sales technical support for OT and IoT cybersecurity products, troubleshooting customer issues, reproducing problems in a lab, supporting infrastructure design and deployments, and collaborating with Product and Engineering teams. The role also develops knowledge-base content, supports critical accounts, and maintains expertise in security appliances, Unix systems, networking, virtualization, APIs, FreeBSD, PostgreSQL, and ICS security.

Provide Tier 2 technical support for enterprise Zoom customers by managing complex cases, troubleshooting Zoom products and VoIP/CCaaS environments, meeting resolution targets, and communicating proactively with customers. The role includes queue and case ownership, urgent-request prioritization, cross-functional collaboration, documentation, training-material creation, and occasional after-hours or on-call support.

Provide technical support for a cybersecurity platform by responding to customer tickets, troubleshooting issues through written communication and Zoom, explaining APIs, data flows, and vulnerability management, and collaborating with engineering and product teams. The role includes improving support documentation and workflows, learning AI tools, and attending Belfast Metropolitan College one day per week as part of a Level 5 IT apprenticeship.

Provides technical support for CrowdStrike’s cloud cybersecurity platform. Resolves customer issues through multiple channels, troubleshoots cloud, Kubernetes, container, and Linux environments, identifies root causes, documents bugs, creates knowledge content, and manages escalations. Advises customers on deployment, integration, and maintenance while collaborating with engineering and internal technical teams. The role also serves as a product subject matter expert and drives process improvements and customer-focused technical communications.

Provides advanced technical support by diagnosing complex customer issues, reproducing problems with logs, APIs, and diagnostic tools, owning cases through resolution, and creating knowledge resources. The role mentors support engineers, identifies recurring trends, recommends process and product improvements, and serves as a subject matter expert for assigned features. It requires strong troubleshooting, communication, customer service, documentation, and Salesforce experience.

Provide advanced technical support for enterprise customers using Ditto’s SDK and Cloud products. Reproduce, debug, and escalate complex issues; coordinate production incident response and root-cause analyses; guide developers; build support automation and self-service tools; and communicate customer needs to Product and Engineering. Participate in a 24/7 on-call rotation and serve as a trusted technical advisor to high-profile customers.

Owns client incidents and technical requests throughout their lifecycle. The role triages complex application, infrastructure, and business-flow issues; advises clients on installation, configuration, deployment, connectivity, and product use; documents resolutions; escalates unresolved issues to engineering teams; and participates in a global 24x7x365 on-call rotation. Requires hands-on cloud, containerization, databases, networking, operating systems, blockchain, and application troubleshooting experience.

Assists the technical support team with diagnosing and troubleshooting client issues across phone, email, and chat. Provides step-by-step technical guidance, documents customer interactions and resolutions, escalates complex problems, and helps create knowledge base articles and FAQs. The intern develops technical troubleshooting, communication, and customer service skills while learning Symphony’s messaging and voice products.

Provide first-level technical support for Peritoneal Dialysis devices, software, connectivity, and related equipment through multiple communication channels. Diagnose issues, manage cases, document resolutions, escalate safety and technical concerns, and support patients, caregivers, and healthcare professionals. The role requires regulatory compliance, cross-functional collaboration, knowledge management, performance tracking, and participation in a rotating 24/7 schedule.

Provide advanced technical support for Azure-hosted applications and customer environments. Troubleshoot database refreshes, upgrades, application errors, batch processing issues, and performance degradation across test and production systems. Collaborate with hosting and infrastructure teams, analyze recurring incidents, recommend long-term solutions, document resolutions, and contribute to knowledge-base content. The role requires customer-facing communication, independent remote work, and coordination across UK and US teams.

The Technical Support Specialist will troubleshoot technical issues, provide customer support via various channels, document solutions, and build strong customer relationships, utilizing cloud expertise.

Provide onsite end-user IT support: troubleshoot desktop OS and hardware, build/deploy laptops, maintain AV/conference equipment, manage tickets per SLAs, assist with imaging/patching/network changes, maintain asset data, liaise with global teams and local leaders to drive optimizations and technology adoption.

Provide advanced technical support and root-cause resolution for NiCE contact-center SaaS products, analyze logs/packets, mentor peers, own escalations, create KCS knowledge, and collaborate with R&D and internal teams to prevent recurrence and meet SLA targets.

Provide high-touch technical support for Cohesity NetBackup Software and Flex Appliances. Troubleshoot complex enterprise data protection issues across traditional platforms, cloud, databases, networking, storage, and operating systems. Manage high-impact customer cases, reproduce environments, recommend best practices, collaborate with internal teams, support renewals, improve knowledge content, mentor peers, and contribute to product and process improvements. Travel for customer visits or meetings is expected to be less than 10% annually.

Investigate and resolve complex platform and integration issues for enterprise merchants, coordinate P1 incident response, monitor observability dashboards, escalate actionable issues to Engineering, and document resolutions to build the knowledge base. Serve as escalation owner and provide overflow support for Delivery Support during peak windows.

Provides advanced technical support to enterprise customers, troubleshooting cloud infrastructure, networking, Linux systems, containers, and security issues. Performs root cause analysis, supports deployments, maintains SLAs, documents solutions, and collaborates with engineering, product, and sales teams. The role also mentors junior staff, contributes to training resources, and helps optimize infrastructure as code, observability, identity management, databases, and customer environments.

Provide technical sales and first‑level support for residential PV+storage products, assist sales and product teams, perform PV system design with PVSyst, develop sales tools and training, support product launches, and advise on installations, certifications and customer requirements.

Field-based Equipment Engineer responsible for installation, commissioning, planned maintenance and emergency breakdown response of mechanical, electrical and PLC-driven equipment. Manage diary, travel between customer sites in the Lower Midlands/Northampton region, troubleshoot faults, and support automation projects.

Investigate complex platform, API, and infrastructure issues using logs, metrics, traces, and observability tools. Reproduce production bugs, collaborate with Engineering on root causes and fixes, improve developer experience through documentation and tooling, and design AI-assisted automations and operational workflows to scale support.