Top Tech Jobs & Startup Jobs in Belfast

As a Senior Site Reliability Engineer, you'll build resilient platforms, automate processes, mentor teams, and drive changes in a cloud-based environment.

The Senior SOC Analyst monitors and investigates security incidents, manages vulnerabilities, analyzes security data, and leads investigations to improve security posture.

Build and maintain high-traffic React applications for ad-serving workflows. Translate design mocks into responsive reusable components, integrate with RESTful services, write unit-tested production code, respond to bugs and performance issues, collaborate across distributed teams, and support services in production.

Manage customer and supplier communications for Aftermarket operations, lead a team (up to 15), develop supply chain strategies, ensure parts availability, control costs, maintain SAP data/automation, and drive supplier performance and process improvements to meet schedule and revenue targets.

Manage and grow a live portfolio of customer accounts, provide excellent customer service via phone, in-branch and email, develop new business to meet branch sales targets, build rapport and subject-matter expertise, and support branch operations including trade counter and warehouse order fulfilment.

Design and produce detailed electrical schematics, single-line diagrams, and communications drawings for LV/MV switchgear. Prepare bills of materials, ensure compliance with IEC/IET/IEE standards, collaborate with mechanical, automation, and project teams, and support project delivery and testing in a manufacturing-proximate design office.

Provide presales technical expertise for MV switchgear solutions: design and optimize MV arrangements to IEC/IEEE standards, prepare technical proposals and reports, collaborate with multidisciplinary teams, support testing/commissioning, liaise with customers and estimators, and contribute to continuous product improvement.

Manage planning, execution, and delivery of multiple LV/MV switchgear projects. Define scope, allocate resources, control budgets, monitor progress, mitigate risks, report to stakeholders, and promote continuous improvement and Lean practices across teams and accounts.

Join Gearset's engineering talent community if you're a senior/principal full‑stack engineer. Work on a pragmatic, product-driven team shipping frequently. Lead and manage teams while remaining hands‑on across .NET backend, Postgres, and TypeScript/React frontend. Emphasis on fast iteration, strong engineering culture, continuous improvement, and career progression.

Design, build and expand Gearset's DevOps platform end-to-end. Collaborate with customers and cross-functional teams, contribute to architecture and development best practices, and deliver incremental features with fast release cycles while mentoring and sharing expertise across the engineering team.

Seeking seasoned DevOps engineers and hands-on technical leaders to shape Gearset's DevOps direction. Responsibilities include running production SaaS at scale, change management, incident response, collaborating across teams, and implementing secure, compliant, scalable AWS and Kubernetes-based systems.

Manage a portfolio of post-trade/clearing clients end-to-end: gather requirements, onboard and train clients, perform technical deliveries and upgrades, handle support escalations, coordinate with exchanges/third parties, validate deliverables, and maintain client status and commercial requests.

Provide high-level administrative support to senior investment bankers: manage complex calendars across time zones, coordinate travel and visas, handle expenses, set up meetings and events, liaise with other assistants, and maintain confidentiality while prioritising urgent tasks in a fast-paced environment.

Lead and grow architecture and development teams, shape and communicate multi-domain architectural strategies, drive business development and client relationships, coach team members, and deliver end-to-end solutions for complex, client-facing engagements in defence and related sectors.